{"id":1326,"date":"2025-12-10T07:00:00","date_gmt":"2025-12-10T00:00:00","guid":{"rendered":"http:\/\/3.114.29.209\/?p=1326&#038;lang=vi"},"modified":"2025-12-10T07:20:11","modified_gmt":"2025-12-10T00:20:11","slug":"chi-bao-rsi-la-gi-cach-su-dung-rsi-trong-trading-crypto","status":"publish","type":"post","link":"https:\/\/bitcoinvn.io\/news\/vi\/chi-bao-rsi-la-gi-cach-su-dung-rsi-trong-trading-crypto\/","title":{"rendered":"Ch\u1ec9 b\u00e1o RSI l\u00e0 g\u00ec? C\u00e1ch s\u1eed d\u1ee5ng RSI trong trading"},"content":{"rendered":"<p><i><span style=\"font-weight: 400;\">RSI (Relative Strength Index) l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn nh\u1ea5t trong ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u1ed9ng l\u1ef1c gi\u00e1 c\u1ee7a c\u00e1c ch\u1ee9ng kho\u00e1n\/crypto v\u00e0 t\u00e0i s\u1ea3n t\u01b0\u01a1ng t\u1ef1 tr\u00ean th\u1ecb tr\u01b0\u1eddng t\u00e0i ch\u00ednh. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng nhau t\u00ecm hi\u1ec3u <\/span><\/i><b><i>RSI l\u00e0 g\u00ec<\/i><\/b><i><span style=\"font-weight: 400;\"> v\u00e0 nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n c\u1ea7n bi\u1ebft \u0111\u1ec3 s\u1eed d\u1ee5ng ch\u1ec9 s\u1ed1 n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.\u00a0<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f9ng BitcoinVN News Theo d\u00f5i nh\u00e9!<\/span><\/p>\n<figure id=\"attachment_16419\" aria-describedby=\"caption-attachment-16419\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16419 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-11.jpg\" alt=\"RSI l\u00e0 g\u00ec? Ch\u1ec9 s\u1ed1 n\u00e0y gi\u00fap \u00edch g\u00ec cho nh\u00e0 \u0111\u1ea7u t\u01b0? Xem ngay!\" width=\"800\" height=\"450\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-11.jpg 800w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-11-300x169.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-11-768x432.jpg 768w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-11-696x392.jpg 696w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-11-747x420.jpg 747w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-16419\" class=\"wp-caption-text\">RSI l\u00e0 g\u00ec? Ch\u1ec9 s\u1ed1 n\u00e0y gi\u00fap \u00edch g\u00ec cho nh\u00e0 \u0111\u1ea7u t\u01b0? Xem ngay!<\/figcaption><\/figure>\n<h2><b>Ch\u1ec9 s\u1ed1 s\u1ee9c m\u1ea1nh t\u01b0\u01a1ng \u0111\u1ed1i \u2013 RSI l\u00e0 g\u00ec?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">RSI (Relative Strength Index &#8211; Ch\u1ec9 s\u1ed1 S\u1ee9c m\u1ea1nh T\u01b0\u01a1ng \u0111\u1ed1i) l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt gi\u00fap b\u1ea1n bi\u1ebft <\/span><b>gi\u00e1 \u0111ang m\u1ea1nh hay y\u1ebfu<\/b><span style=\"font-weight: 400;\"> &amp; li\u1ec7u t\u00e0i s\u1ea3n c\u00f3 \u0111ang b\u1ecb <\/span><b>mua qu\u00e1 nhi\u1ec1u<\/b><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><b>b\u00e1n qu\u00e1 m\u1ee9c<\/b><span style=\"font-weight: 400;\"> so v\u1edbi b\u00ecnh th\u01b0\u1eddng hay kh\u00f4ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">RSI \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb d\u01b0\u1edbi d\u1ea1ng <\/span><b>m\u1ed9t \u0111\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 0 \u0111\u1ebfn 100<\/b><span style=\"font-weight: 400;\">. N\u00f3 \u0111o t\u1ed1c \u0111\u1ed9 v\u00e0 m\u1ee9c \u0111\u1ed9 thay \u0111\u1ed5i gi\u00e1 trong th\u1eddi gian g\u1ea7n \u0111\u00e2y \u0111\u1ec3 cho b\u1ea1n c\u00e1i nh\u00ecn nhanh v\u1ec1 \u0111\u1ed9ng l\u01b0\u1ee3ng th\u1ecb tr\u01b0\u1eddng.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>RSI \u2265 70<\/b><span style=\"font-weight: 400;\"> \u2192 T\u00e0i s\u1ea3n \u0111ang b\u1ecb <\/span><b>mua qu\u00e1 m\u1ee9c,<\/b><span style=\"font-weight: 400;\"> gi\u00e1 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh gi\u1ea3m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>RSI \u2264 30<\/b><span style=\"font-weight: 400;\"> \u2192 T\u00e0i s\u1ea3n \u0111ang b\u1ecb <\/span><b>b\u00e1n qu\u00e1 m\u1ee9c<\/b><span style=\"font-weight: 400;\">, gi\u00e1 c\u00f3 th\u1ec3 b\u1eadt t\u0103ng tr\u1edf l\u1ea1i.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Nhi\u1ec1u nh\u00e0 giao d\u1ecbch xem c\u00e1c t\u00edn hi\u1ec7u:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>RSI t\u1eeb tr\u00ean 70 quay xu\u1ed1ng<\/b><span style=\"font-weight: 400;\"> \u2192 t\u00edn hi\u1ec7u b\u00e1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>RSI t\u1eeb d\u01b0\u1edbi 30 b\u1eadt l\u00ean<\/b><span style=\"font-weight: 400;\"> \u2192 t\u00edn hi\u1ec7u mua.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">RSI ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t trong <\/span><b>th\u1ecb tr\u01b0\u1eddng \u0111i ngang<\/b><span style=\"font-weight: 400;\">, khi gi\u00e1 dao \u0111\u1ed9ng trong bi\u00ean \u0111\u1ed9.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong th\u1ecb tr\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh, RSI c\u00f3 th\u1ec3 \u0111\u01b0a ra t\u00edn hi\u1ec7u sai v\u00ec gi\u00e1 c\u00f3 th\u1ec3 \u201cqu\u00e1 mua\u201d\/\u201cqu\u00e1 b\u00e1n\u201d trong th\u1eddi gian d\u00e0i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ch\u1ec9 b\u00e1o n\u00e0y \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi <\/span><b>J. Welles Wilder Jr.<\/b><span style=\"font-weight: 400;\"> v\u00e0 gi\u1edbi thi\u1ec7u l\u1ea7n \u0111\u1ea7u v\u00e0o n\u0103m 1978.<\/span><\/p>\n<figure id=\"attachment_16414\" aria-describedby=\"caption-attachment-16414\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16414 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-6.jpg\" alt=\"RSI gi\u00fap \u0111o l\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng gi\u00e1 ch\u1ee9ng kho\u00e1n\/crypto\" width=\"800\" height=\"450\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-6.jpg 800w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-6-300x169.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-6-768x432.jpg 768w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-6-696x392.jpg 696w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-6-747x420.jpg 747w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-16414\" class=\"wp-caption-text\">RSI gi\u00fap \u0111o l\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng gi\u00e1 ch\u1ee9ng kho\u00e1n\/crypto<\/figcaption><\/figure>\n<h2><b>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u1ec9 s\u1ed1 s\u1ee9c m\u1ea1nh t\u01b0\u01a1ng \u0111\u1ed1i (RSI)<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Khi nh\u00ecn RSI c\u00f9ng v\u1edbi bi\u1ec3u \u0111\u1ed3 gi\u00e1, nh\u00e0 giao d\u1ecbch s\u1ebd d\u1ec5 th\u1ea5y <\/span><b>s\u1ee9c m\u1ea1nh th\u1eadt s\u1ef1 c\u1ee7a xu h\u01b0\u1edbng<\/b><span style=\"font-weight: 400;\">: gi\u00e1 t\u0103ng c\u00f3 b\u1ec1n hay kh\u00f4ng, gi\u00e1 gi\u1ea3m c\u00f3 y\u1ebfu d\u1ea7n hay kh\u00f4ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">RSI s\u1ebd hi\u1ec7u qu\u1ea3 h\u01a1n khi b\u1ea1n k\u1ebft h\u1ee3p n\u00f3 v\u1edbi c\u00e1c ch\u1ec9 b\u00e1o k\u1ef9 thu\u1eadt kh\u00e1c. Vi\u1ec7c n\u00e0y gi\u00fap b\u1ea1n <\/span><b>ra quy\u1ebft \u0111\u1ecbnh mua b\u00e1n ch\u00ednh x\u00e1c v\u00e0 t\u1ef1 tin h\u01a1n<\/b><span style=\"font-weight: 400;\">, thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t t\u00edn hi\u1ec7u duy nh\u1ea5t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">RSI s\u1eed d\u1ee5ng ph\u00e9p t\u00ednh hai b\u01b0\u1edbc, b\u1eaft \u0111\u1ea7u v\u1edbi c\u00f4ng th\u1ee9c sau:<\/span><\/p>\n<p><b>B\u01b0\u1edbc 1:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u00ednh RSI, b\u1ea1n c\u1ea7n t\u00ednh m\u1ee9c t\u0103ng trung b\u00ecnh v\u00e0 m\u1ee9c gi\u1ea3m trung b\u00ecnh c\u1ee7a gi\u00e1 trong m\u1ed9t kho\u1ea3ng th\u1eddi gian (th\u01b0\u1eddng l\u00e0 14 ng\u00e0y).<\/span><\/p>\n<figure id=\"attachment_16420\" aria-describedby=\"caption-attachment-16420\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16420 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-12.jpg\" alt=\"C\u00f4ng th\u1ee9c t\u00ednh RSI b\u01b0\u1edbc 1\" width=\"800\" height=\"162\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-12.jpg 800w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-12-300x61.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-12-768x156.jpg 768w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-12-696x141.jpg 696w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-16420\" class=\"wp-caption-text\">C\u00f4ng th\u1ee9c t\u00ednh RSI b\u01b0\u1edbc 1<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Trong c\u00f4ng th\u1ee9c n\u00e0y, c\u00e1c ch\u1ec9 s\u1ed1 \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>M\u1ee9c t\u0103ng trung b\u00ecnh<\/b><span style=\"font-weight: 400;\"> = trung b\u00ecnh c\u00e1c ng\u00e0y m\u00e0 gi\u00e1 <\/span><b>t\u0103ng<\/b><span style=\"font-weight: 400;\">. Nh\u1eefng ng\u00e0y gi\u00e1 gi\u1ea3m th\u00ec t\u00ednh l\u00e0 0.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>M\u1ee9c gi\u1ea3m trung b\u00ecnh<\/b><span style=\"font-weight: 400;\"> = trung b\u00ecnh c\u00e1c ng\u00e0y m\u00e0 gi\u00e1 <\/span><b>gi\u1ea3m<\/b><span style=\"font-weight: 400;\">. Nh\u1eefng ng\u00e0y gi\u00e1 t\u0103ng th\u00ec t\u00ednh l\u00e0 0.<\/span><\/li>\n<\/ul>\n<p><b>V\u00ed d\u1ee5:<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Gi\u1ea3 s\u1eed ta d\u00f9ng 14 ng\u00e0y \u0111\u1ec3 t\u00ednh RSI:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Trong 14 ng\u00e0y, c\u00f3 <\/span><b>7 ng\u00e0y gi\u00e1 t\u0103ng<\/b><span style=\"font-weight: 400;\">, m\u1ee9c t\u0103ng trung b\u00ecnh = <\/span><b>1%<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">7 ng\u00e0y c\u00f2n l\u1ea1i gi\u00e1 gi\u1ea3m, m\u1ee9c gi\u1ea3m trung b\u00ecnh = <\/span><b>0,8%<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Khi c\u00f3 hai gi\u00e1 tr\u1ecb n\u00e0y, b\u1ea1n ch\u1ec9 c\u1ea7n \u0111\u01b0a ch\u00fang v\u00e0o c\u00f4ng th\u1ee9c l\u00e0 t\u00ednh \u0111\u01b0\u1ee3c RSI.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 \u0111\u1ec3 b\u1ea1n d\u1ec5 hi\u1ec3u c\u00e1ch t\u00ednh RSI l\u00e0 g\u00ec<\/span><\/i><\/p>\n<p><b>B\u01b0\u1edbc 2:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Sau khi thu th\u1eadp \u0111\u1ee7 14 d\u1eef li\u1ec7u, ta ti\u1ebfn h\u00e0nh b\u01b0\u1edbc t\u00ednh to\u00e1n th\u1ee9 hai. M\u1ee5c \u0111\u00edch c\u1ee7a b\u01b0\u1edbc n\u00e0y l\u00e0 l\u00e0m cho k\u1ebft qu\u1ea3 RSI tr\u1edf n\u00ean m\u01b0\u1ee3t h\u01a1n.<\/span><\/p>\n<figure id=\"attachment_16417\" aria-describedby=\"caption-attachment-16417\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16417 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-9.jpg\" alt=\"C\u00f4ng th\u1ee9c t\u00ednh RSI b\u01b0\u1edbc 2\" width=\"800\" height=\"127\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-9.jpg 800w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-9-300x48.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-9-768x122.jpg 768w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-9-696x110.jpg 696w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-16417\" class=\"wp-caption-text\">C\u00f4ng th\u1ee9c t\u00ednh RSI b\u01b0\u1edbc 2<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Hi\u1ec3u \u0111\u01a1n gi\u1ea3n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea1n l\u1ea5y <\/span><b>m\u1ee9c t\u0103ng\/gi\u1ea3m trung b\u00ecnh c\u1ee7a k\u1ef3 tr\u01b0\u1edbc<\/b><span style=\"font-weight: 400;\">, nh\u00e2n v\u1edbi 13.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ed9ng v\u1edbi <\/span><b>m\u1ee9c t\u0103ng\/gi\u1ea3m c\u1ee7a ng\u00e0y hi\u1ec7n t\u1ea1i<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sau \u0111\u00f3 t\u00ednh RSI nh\u01b0 b\u01b0\u1edbc 1.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Nh\u1edd c\u00e1ch l\u00e0m m\u01b0\u1ee3t n\u00e0y, RSI hi\u1ebfm khi ch\u1ea1m \u0111\u00fang 0 ho\u1eb7c 100, gi\u00fap ch\u1ec9 b\u00e1o ph\u1ea3n \u00e1nh th\u1ef1c t\u1ebf h\u01a1n trong c\u00e1c giai \u0111o\u1ea1n th\u1ecb tr\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh.<\/span><\/p>\n<h2><b>V\u1ebd bi\u1ec3u \u0111\u1ed3 RSI<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Sau khi t\u00ednh to\u00e1n, ch\u1ec9 s\u1ed1 RSI c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng \u0111\u1ed3 th\u1ecb b\u00ean d\u01b0\u1edbi bi\u1ec3u \u0111\u1ed3 gi\u00e1 c\u1ee7a m\u1ed9t t\u00e0i s\u1ea3n. RSI s\u1ebd t\u0103ng khi s\u1ed1 ng\u00e0y v\u00e0 m\u1ee9c \u0111\u1ed9 t\u0103ng gi\u00e1 gia t\u0103ng. Ng\u01b0\u1ee3c l\u1ea1i, RSI s\u1ebd gi\u1ea3m khi s\u1ed1 ng\u00e0y v\u00e0 m\u1ee9c \u0111\u1ed9 gi\u1ea3m gi\u00e1 t\u0103ng l\u00ean.<\/span><\/p>\n<figure id=\"attachment_16421\" aria-describedby=\"caption-attachment-16421\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16421 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-13.jpg\" alt=\"Minh h\u1ecda bi\u1ec3u \u0111\u1ed3 RSI (Ngu\u1ed3n: Investopedia)\" width=\"800\" height=\"571\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-13.jpg 800w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-13-300x214.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-13-768x548.jpg 768w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-13-100x70.jpg 100w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-13-696x497.jpg 696w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-13-588x420.jpg 588w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-16421\" class=\"wp-caption-text\">Minh h\u1ecda bi\u1ec3u \u0111\u1ed3 RSI (Ngu\u1ed3n: Investopedia)<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Nh\u01b0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y trong bi\u1ec3u \u0111\u1ed3, ch\u1ec9 s\u1ed1 RSI c\u00f3 th\u1ec3 \u1edf m\u1ee9c <\/span><b>mua qu\u00e1 m\u1ee9c trong th\u1eddi gian d\u00e0i khi c\u1ed5 phi\u1ebfu \u0111ang t\u0103ng<\/b><span style=\"font-weight: 400;\">. Ng\u01b0\u1ee3c l\u1ea1i, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u1edf m\u1ee9c b\u00e1n qu\u00e1 m\u1ee9c trong th\u1eddi gian d\u00e0i khi c\u1ed5 phi\u1ebfu \u0111ang gi\u1ea3m. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y hi\u1ec3u l\u1ea7m cho nh\u00e0 ph\u00e2n t\u00edch m\u1edbi, nh\u01b0ng n\u1eafm b\u1eaft c\u00e1ch s\u1eed d\u1ee5ng ch\u1ec9 b\u00e1o trong ng\u1eef c\u1ea3nh c\u1ee7a xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng s\u1ebd gi\u00fap l\u00e0m r\u00f5 v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/span><\/p>\n<h2><b>T\u1ea1i sao ch\u1ec9 s\u1ed1 RSI quan tr\u1ecdng?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Ch\u1ec9 s\u1ed1 RSI quan tr\u1ecdng v\u00ec nhi\u1ec1u l\u00fd do \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 giao d\u1ecbch:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng RSI \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n di\u1ec5n bi\u1ebfn gi\u00e1 c\u1ee7a m\u1ed9t ch\u1ee9ng kho\u00e1n\/coin.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u00e1c nh\u1eadn xu h\u01b0\u1edbng v\u00e0 \u0111\u1ea3o chi\u1ec1u xu h\u01b0\u1edbng<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ec9 ra c\u00e1c coin \u0111\u01b0\u1ee3c mua ho\u1eb7c b\u00e1n qu\u00e1 m\u1ee9c<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cung c\u1ea5p t\u00edn hi\u1ec7u mua b\u00e1n cho nh\u00e0 giao d\u1ecbch ng\u1eafn h\u1ea1n<\/span><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400;\">L\u01b0u \u00fd: RSI l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ch\u1ec9 b\u00e1o kh\u00e1c \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch.<\/span><\/i><\/p>\n<h2><b>H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng RSI k\u1ebft h\u1ee3p v\u1edbi xem x\u00e9t xu h\u01b0\u1edbng<\/b><\/h2>\n<h3><b>\u0110i\u1ec1u ch\u1ec9nh ch\u1ec9 s\u1ed1 RSI \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi xu h\u01b0\u1edbng<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 \u0111\u1ecdc t\u00edn hi\u1ec7u RSI ch\u00ednh x\u00e1c, b\u1ea1n c\u1ea7n xem x\u00e9t <\/span><b>xu h\u01b0\u1edbng ch\u00ednh c\u1ee7a th\u1ecb tr\u01b0\u1eddng<\/b><span style=\"font-weight: 400;\">. Theo chuy\u00ean gia Constance Brown (CMT), m\u1ee9c RSI \u201cqu\u00e1 b\u00e1n\u201d trong xu h\u01b0\u1edbng t\u0103ng th\u01b0\u1eddng <\/span><b>kh\u00f4ng gi\u1ea3m \u0111\u1ebfn 30<\/b><span style=\"font-weight: 400;\">, m\u00e0 c\u00f3 th\u1ec3 d\u1eebng \u1edf m\u1ee9c cao h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, trong xu h\u01b0\u1edbng gi\u1ea3m m\u1ea1nh, m\u1ee9c RSI \u201cqu\u00e1 mua\u201d c\u0169ng <\/span><b>kh\u00f4ng c\u1ea7n ch\u1ea1m 70<\/b><span style=\"font-weight: 400;\"> m\u00e0 c\u00f3 th\u1ec3 th\u1ea5p h\u01a1n nhi\u1ec1u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5: \u1edf xu h\u01b0\u1edbng gi\u1ea3m, RSI th\u01b0\u1eddng ch\u1ec9 t\u0103ng \u0111\u1ebfn kho\u1ea3ng 50 r\u1ed3i quay \u0111\u1ea7u. V\u1edbi nhi\u1ec1u nh\u00e0 giao d\u1ecbch, \u0111\u00e2y l\u00e0 t\u00edn hi\u1ec7u gi\u1ea3m gi\u00e1 \u0111\u00e1ng tin c\u1eady h\u01a1n vi\u1ec7c \u0111\u1ee3i RSI l\u00ean \u0111\u1ebfn 70.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 d\u1ec5 theo d\u00f5i, nhi\u1ec1u ng\u01b0\u1eddi c\u00f2n k\u1ebb th\u00eam \u0111\u01b0\u1eddng gi\u1eefa v\u00f9ng 30\u201370 khi th\u1ecb tr\u01b0\u1eddng \u0111ang c\u00f3 xu h\u01b0\u1edbng m\u1ea1nh, gi\u00fap h\u1ecd x\u00e1c \u0111\u1ecbnh r\u00f5 v\u00f9ng c\u1ef1c \u0111oan ph\u00f9 h\u1ee3p v\u1edbi b\u1ed1i c\u1ea3nh th\u1ef1c t\u1ebf.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ng\u01b0\u1ee3c l\u1ea1i, trong th\u1ecb tr\u01b0\u1eddng \u0111i ngang ho\u1eb7c n\u1eb1m trong v\u00f9ng gi\u00e1 t\u00edch l\u0169y l\u00e2u d\u00e0i, b\u1ea1n th\u01b0\u1eddng <\/span><b>kh\u00f4ng c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i m\u1ee9c 30\u201370<\/b><span style=\"font-weight: 400;\">, v\u00ec RSI ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng \u0111i ngang.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u00f3m l\u1ea1i: <\/span><b>RSI cho t\u00edn hi\u1ec7u k\u00e9m ch\u00ednh x\u00e1c trong xu h\u01b0\u1edbng m\u1ea1nh<\/b><span style=\"font-weight: 400;\">, v\u00e0 c\u00e1c t\u00edn hi\u1ec7u mua\/b\u00e1n c\u00f3 th\u1ec3 d\u1ec5 sai n\u1ebfu kh\u00f4ng \u0111\u00e1nh gi\u00e1 \u0111\u00fang xu h\u01b0\u1edbng t\u1ed5ng th\u1ec3 tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<\/span><\/p>\n<h3><b>C\u00e1ch s\u1eed d\u1ee5ng t\u00edn hi\u1ec7u mua &amp; b\u00e1n ph\u00f9 h\u1ee3p v\u1edbi xu h\u01b0\u1edbng<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ed9t kh\u00e1i ni\u1ec7m quan tr\u1ecdng l\u00e0 s\u1eed d\u1ee5ng c\u00e1c t\u00edn hi\u1ec7u giao d\u1ecbch ph\u00f9 h\u1ee3p v\u1edbi xu h\u01b0\u1edbng. N\u00f3i c\u00e1ch kh\u00e1c, khi gi\u00e1 \u0111ang t\u0103ng, t\u1eadp trung v\u00e0o t\u00edn hi\u1ec7u mua v\u00e0 khi gi\u00e1 \u0111ang gi\u1ea3m, t\u1eadp trung v\u00e0o t\u00edn hi\u1ec7u b\u00e1n. \u0110i\u1ec1u m\u00e0y c\u00f3 th\u1ec3 gi\u00fap nh\u00e0 giao d\u1ecbch tr\u00e1nh c\u00e1c c\u1ea3nh b\u00e1o sai l\u1ec7ch m\u00e0 RSI c\u00f3 th\u1ec3 t\u1ea1o ra trong th\u1ecb tr\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng.<\/span><\/p>\n<figure id=\"attachment_16422\" aria-describedby=\"caption-attachment-16422\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16422 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-14.jpg\" alt=\"M\u1ee9c \u0111\u1ed9 \u0111i\u1ec1u ch\u1ec9nh v\u00f9ng b\u00e1n qu\u00e1 m\u1ee9c tr\u00ean bi\u1ec3u \u0111\u1ed3 RSI (Ngu\u1ed3n: Investopedia)\" width=\"800\" height=\"577\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-14.jpg 800w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-14-300x216.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-14-768x554.jpg 768w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-14-324x235.jpg 324w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-14-696x502.jpg 696w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-14-582x420.jpg 582w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-16422\" class=\"wp-caption-text\">M\u1ee9c \u0111\u1ed9 \u0111i\u1ec1u ch\u1ec9nh v\u00f9ng b\u00e1n qu\u00e1 m\u1ee9c tr\u00ean bi\u1ec3u \u0111\u1ed3 RSI (Ngu\u1ed3n: Investopedia)<\/figcaption><\/figure>\n<h2><b>C\u00e1ch x\u00e1c \u0111\u1ecbnh ng\u01b0\u1ee1ng MUA QU\u00c1 M\u1ee8C ho\u1eb7c B\u00c1N QU\u00c1 M\u1ee8C<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Khi nh\u00ecn v\u00e0o bi\u1ec3u \u0111\u1ed3 RSI:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>RSI v\u01b0\u1ee3t l\u00ean tr\u00ean m\u1ee9c 30<\/b><span style=\"font-weight: 400;\"> \u2192 th\u01b0\u1eddng l\u00e0 t\u00edn hi\u1ec7u t\u0103ng gi\u00e1. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y t\u00e0i s\u1ea3n \u0111\u00e3 tho\u00e1t kh\u1ecfi v\u00f9ng \u201cb\u00e1n qu\u00e1 m\u1ee9c\u201d v\u00e0 c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u ph\u1ee5c h\u1ed3i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>RSI v\u01b0\u1ee3t l\u00ean tr\u00ean m\u1ee9c 70<\/b><span style=\"font-weight: 400;\"> \u2192 th\u01b0\u1eddng l\u00e0 t\u00edn hi\u1ec7u gi\u1ea3m gi\u00e1. T\u00e0i s\u1ea3n \u0111ang \u1edf v\u00f9ng \u201cmua qu\u00e1 m\u1ee9c\u201d, t\u1ee9c l\u00e0 gi\u00e1 \u0111\u00e3 t\u0103ng qu\u00e1 m\u1ea1nh v\u00e0 d\u1ec5 \u0111i\u1ec1u ch\u1ec9nh gi\u1ea3m.<\/span><\/li>\n<\/ul>\n<p><b>Mua qu\u00e1 m\u1ee9c (Overbought)<\/b><span style=\"font-weight: 400;\"> ngh\u0129a l\u00e0 gi\u00e1 \u0111ang cao h\u01a1n gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf. Khi th\u1ea5y t\u00edn hi\u1ec7u n\u00e0y, nhi\u1ec1u nh\u00e0 giao d\u1ecbch cho r\u1eb1ng gi\u00e1 s\u1eafp gi\u1ea3m ho\u1eb7c \u0111\u1ea3o chi\u1ec1u, n\u00ean h\u1ecd c\u00e2n nh\u1eafc b\u00e1n ra.<\/span><\/p>\n<p><b>B\u00e1n qu\u00e1 m\u1ee9c (Oversold)<\/b><span style=\"font-weight: 400;\"> ngh\u0129a l\u00e0 gi\u00e1 \u0111ang th\u1ea5p h\u01a1n gi\u00e1 tr\u1ecb th\u1ef1c. Khi RSI n\u1eb1m d\u01b0\u1edbi v\u00f9ng n\u00e0y, nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n gi\u00e1 s\u1eafp ph\u1ee5c h\u1ed3i v\u00e0 xem \u0111\u00e2y l\u00e0 c\u01a1 h\u1ed9i mua v\u00e0o.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u00f3m l\u1ea1i:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>RSI \u2265 70 \u2192 c\u00f3 th\u1ec3 l\u00e0 l\u00fac xem x\u00e9t b\u00e1n<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>RSI \u2264 30 \u2192 c\u00f3 th\u1ec3 l\u00e0 l\u00fac xem x\u00e9t mua.<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c t\u00edn hi\u1ec7u n\u00e0y kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng ch\u00ednh x\u00e1c, nh\u01b0ng r\u1ea5t h\u1eefu \u00edch khi k\u1ebft h\u1ee3p v\u1edbi xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng v\u00e0 c\u00e1c ch\u1ec9 b\u00e1o kh\u00e1c.<\/span><\/p>\n<figure id=\"attachment_16411\" aria-describedby=\"caption-attachment-16411\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16411 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-3-1.jpg\" alt=\"\u0110i\u1ec3m mua qu\u00e1 m\u1ee9c v\u00e0 b\u00e1n qu\u00e1 m\u1ee9c d\u1ef1a theo RSI\" width=\"800\" height=\"536\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-3-1.jpg 800w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-3-1-300x201.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-3-1-768x515.jpg 768w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-3-1-696x466.jpg 696w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-3-1-627x420.jpg 627w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-16411\" class=\"wp-caption-text\">\u0110i\u1ec3m mua qu\u00e1 m\u1ee9c v\u00e0 b\u00e1n qu\u00e1 m\u1ee9c d\u1ef1a theo RSI<\/figcaption><\/figure>\n<h2><b>Ph\u00e2n t\u00edch RSI v\u00e0 ph\u1ea1m vi RSI<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Trong m\u1ed7i xu h\u01b0\u1edbng, ch\u1ec9 s\u1ed1 RSI th\u01b0\u1eddng di chuy\u1ec3n trong m\u1ed9t \u201cv\u00f9ng\u201d nh\u1ea5t \u0111\u1ecbnh:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Xu h\u01b0\u1edbng t\u0103ng:<\/b><span style=\"font-weight: 400;\"> RSI th\u01b0\u1eddng n\u1eb1m <\/span><b>tr\u00ean 30<\/b><span style=\"font-weight: 400;\"> v\u00e0 nhi\u1ec1u l\u1ea7n ch\u1ea1m <\/span><b>70<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Xu h\u01b0\u1edbng gi\u1ea3m:<\/b><span style=\"font-weight: 400;\"> RSI hi\u1ebfm khi v\u01b0\u1ee3t <\/span><b>70<\/b><span style=\"font-weight: 400;\"> v\u00e0 th\u01b0\u1eddng xuy\u00ean r\u01a1i v\u1ec1 <\/span><b>30 ho\u1eb7c th\u1ea5p h\u01a1n<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng ph\u1ea1m vi n\u00e0y gi\u00fap nh\u00e0 giao d\u1ecbch \u0111\u00e1nh gi\u00e1 <\/span><b>s\u1ee9c m\u1ea1nh xu h\u01b0\u1edbng<\/b><span style=\"font-weight: 400;\"> v\u00e0 ph\u00e1t hi\u1ec7n <\/span><b>d\u1ea5u hi\u1ec7u \u0111\u1ea3o chi\u1ec1u<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><b>C\u00e1ch hi\u1ec3u \u0111\u01a1n gi\u1ea3n:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Xu h\u01b0\u1edbng t\u0103ng \u0111ang y\u1ebfu \u0111i<\/b><span style=\"font-weight: 400;\"> n\u1ebfu RSI li\u00ean t\u1ee5c t\u0103ng nh\u01b0ng <\/span><b>kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t 70<\/b><span style=\"font-weight: 400;\">, r\u1ed3i sau \u0111\u00f3 gi\u1ea3m m\u1ea1nh xu\u1ed1ng d\u01b0\u1edbi 30. \u0110\u00e2y c\u00f3 th\u1ec3 l\u00e0 t\u00edn hi\u1ec7u b\u00e1o tr\u01b0\u1edbc m\u1ed9t <\/span><b>\u0111\u1ee3t gi\u1ea3m ho\u1eb7c \u0111\u1ea3o chi\u1ec1u xu\u1ed1ng<\/b><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Xu h\u01b0\u1edbng gi\u1ea3m \u0111ang suy y\u1ebfu<\/b><span style=\"font-weight: 400;\"> n\u1ebfu RSI gi\u1ea3m nhi\u1ec1u l\u1ea7n nh\u01b0ng <\/span><b>kh\u00f4ng ch\u1ea1m 30<\/b><span style=\"font-weight: 400;\">, r\u1ed3i b\u1ea5t ng\u1edd b\u1eadt m\u1ea1nh l\u00ean v\u00e0 v\u01b0\u1ee3t 70. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 b\u00e1o hi\u1ec7u xu h\u01b0\u1edbng gi\u1ea3m <\/span><b>s\u1eafp k\u1ebft th\u00fac v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea3o chi\u1ec1u t\u0103ng<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Khi ph\u00e2n t\u00edch RSI, c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <\/span><b>\u0111\u01b0\u1eddng xu h\u01b0\u1edbng<\/b><span style=\"font-weight: 400;\"> v\u00e0 <\/span><b>\u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng (MA)<\/b><span style=\"font-weight: 400;\"> s\u1ebd gi\u00fap b\u1ea1n x\u00e1c nh\u1eadn t\u00edn hi\u1ec7u r\u00f5 r\u00e0ng h\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">L\u01b0u \u00fd quan tr\u1ecdng:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>RSI (Relative Strength Index)<\/b><span style=\"font-weight: 400;\"> \u0111o <\/span><i><span style=\"font-weight: 400;\">\u0111\u1ed9ng l\u1ef1c gi\u00e1<\/span><\/i><span style=\"font-weight: 400;\"> c\u1ee7a m\u1ed9t t\u00e0i s\u1ea3n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1ee9c m\u1ea1nh t\u01b0\u01a1ng \u0111\u1ed1i (Relative Strength)<\/b><span style=\"font-weight: 400;\"> l\u1ea1i d\u00f9ng \u0111\u1ec3 <\/span><i><span style=\"font-weight: 400;\">so s\u00e1nh hi\u1ec7u su\u1ea5t<\/span><\/i><span style=\"font-weight: 400;\"> c\u1ee7a hai t\u00e0i s\u1ea3n kh\u00e1c nhau. \u0110\u00e2y l\u00e0 hai kh\u00e1i ni\u1ec7m d\u1ec5 nh\u1ea7m l\u1eabn, nh\u01b0ng ho\u00e0n to\u00e0n kh\u00e1c nhau.<\/span><\/li>\n<\/ul>\n<blockquote><p><span style=\"font-weight: 400;\">&gt;&gt;&gt; Xem th\u00eam: <\/span><a href=\"https:\/\/bitcoinvn.io\/news\/vi\/top-10-dong-tien-dien-tu-tiem-nang-nhat-2023\/?utm_source=Google+&amp;utm_medium=rsi-la-gi&amp;utm_id=SEO2025\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Top 12 \u0111\u1ed3ng coin ti\u1ec1m n\u0103ng nh\u1ea5t hi\u1ec7n nay<\/span><\/a><\/p><\/blockquote>\n<figure id=\"attachment_16415\" aria-describedby=\"caption-attachment-16415\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16415 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-7.jpg\" alt=\"Ph\u1ea1m vi RSI gi\u00fap nh\u00e0 \u0111\u1ea7u t\u01b0 x\u00e1c \u0111\u1ecbnh t\u00edn hi\u1ec7u \u0111\u1ea3o chi\u1ec1u ti\u1ec1m n\u0103ng\" width=\"800\" height=\"450\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-7.jpg 800w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-7-300x169.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-7-768x432.jpg 768w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-7-696x392.jpg 696w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-7-747x420.jpg 747w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-16415\" class=\"wp-caption-text\">Ph\u1ea1m vi RSI gi\u00fap nh\u00e0 \u0111\u1ea7u t\u01b0 x\u00e1c \u0111\u1ecbnh t\u00edn hi\u1ec7u \u0111\u1ea3o chi\u1ec1u ti\u1ec1m n\u0103ng<\/figcaption><\/figure>\n<h2><b>V\u00ed d\u1ee5 v\u1ec1 ph\u00e2n k\u1ef3 RSI (RSI Divergence)<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Ph\u00e2n k\u1ef3 RSI x\u1ea3y ra khi <\/span><b>gi\u00e1 \u0111i m\u1ed9t h\u01b0\u1edbng nh\u01b0ng RSI l\u1ea1i \u0111i h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i<\/b><span style=\"font-weight: 400;\">. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y <\/span><b>\u0111\u1ed9ng l\u1ef1c gi\u00e1 \u0111ang thay \u0111\u1ed5i tr\u01b0\u1edbc khi gi\u00e1 th\u1eadt s\u1ef1 \u0111\u1ea3o chi\u1ec1u<\/b><span style=\"font-weight: 400;\">, v\u00ec v\u1eady \u0111\u00e2y l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u quan tr\u1ecdng.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ph\u00e2n k\u1ef3 t\u0103ng gi\u00e1 (Bullish divergence):<\/b><span style=\"font-weight: 400;\"> X\u1ea3y ra khi <\/span><b>RSI b\u1eadt l\u00ean t\u1eeb v\u00f9ng b\u00e1n qu\u00e1 m\u1ee9c<\/b><span style=\"font-weight: 400;\"> v\u00e0 t\u1ea1o <\/span><b>\u0111\u00e1y sau cao h\u01a1n \u0111\u00e1y tr\u01b0\u1edbc<\/b><span style=\"font-weight: 400;\"> (trong khi \u0111\u00f3, \u0111\u01b0\u1eddng gi\u00e1 l\u1ea1i \u0111i ng\u01b0\u1ee3c l\u1ea1i = t\u1ea1o \u0111\u00e1y th\u1ea5p h\u01a1n) \u0110i\u1ec1u n\u00e0y cho th\u1ea5y l\u1ef1c b\u00e1n \u0111ang y\u1ebfu d\u1ea7n v\u00e0 gi\u00e1 c\u00f3 th\u1ec3 chu\u1ea9n b\u1ecb \u0111\u1ea3o chi\u1ec1u \u0111i l\u00ean. \u0110\u00e2y l\u00e0 t\u00edn hi\u1ec7u mua ti\u1ec1m n\u0103ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ph\u00e2n k\u1ef3 gi\u1ea3m gi\u00e1 (Bearish divergence):<\/b><span style=\"font-weight: 400;\"> X\u1ea3y ra khi <\/span><b>RSI r\u01a1i xu\u1ed1ng t\u1eeb v\u00f9ng mua qu\u00e1 m\u1ee9c<\/b><span style=\"font-weight: 400;\"> v\u00e0 t\u1ea1o <\/span><b>\u0111\u1ec9nh sau th\u1ea5p h\u01a1n \u0111\u1ec9nh tr\u01b0\u1edbc<\/b><span style=\"font-weight: 400;\"> (trong khi \u0111\u00f3, <\/span><b>gi\u00e1 l\u1ea1i t\u1ea1o \u0111\u1ec9nh cao h\u01a1n<\/b><span style=\"font-weight: 400;\">). \u0110i\u1ec1u n\u00e0y cho th\u1ea5y l\u1ef1c mua \u0111ang y\u1ebfu \u0111i v\u00e0 gi\u00e1 c\u00f3 th\u1ec3 s\u1eafp quay \u0111\u1ea7u gi\u1ea3m. \u0110\u00e2y l\u00e0 t\u00edn hi\u1ec7u b\u00e1n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ph\u00e2n k\u1ef3 RSI l\u00e0 t\u00edn hi\u1ec7u m\u1ea1nh nh\u01b0ng <\/span><b>kh\u00f4ng x\u1ea3y ra th\u01b0\u1eddng xuy\u00ean<\/b><span style=\"font-weight: 400;\">, \u0111\u1eb7c bi\u1ec7t khi th\u1ecb tr\u01b0\u1eddng \u0111ang trong m\u1ed9t xu h\u01b0\u1edbng t\u0103ng ho\u1eb7c gi\u1ea3m m\u1ea1nh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110i\u1ec1u ch\u1ec9nh l\u1ea1i m\u1ee9c RSI mua\/b\u00e1n qu\u00e1 m\u1ee9c m\u1ed9t c\u00e1ch linh ho\u1ea1t trong ng\u01b0\u1ee1ng 70\u201330 s\u1ebd gi\u00fap b\u1ea1n ph\u00e1t hi\u1ec7n nhi\u1ec1u t\u00edn hi\u1ec7u ti\u1ec1m n\u0103ng h\u01a1n.<\/span><\/p>\n<figure id=\"attachment_16410\" aria-describedby=\"caption-attachment-16410\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16410 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-2.jpg\" alt=\"Ph\u00e2n k\u1ef3 RSI (Ngu\u1ed3n: Investopedia)\" width=\"800\" height=\"578\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-2.jpg 800w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-2-300x217.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-2-768x555.jpg 768w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-2-324x235.jpg 324w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-2-696x503.jpg 696w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-2-581x420.jpg 581w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-16410\" class=\"wp-caption-text\">Ph\u00e2n k\u1ef3 RSI (Ngu\u1ed3n: Investopedia)<\/figcaption><\/figure>\n<h2><b>V\u00ed d\u1ee5 v\u1ec1 \u0111\u1ea3o chi\u1ec1u RSI t\u00edch c\u1ef1c &#8211; ti\u00eau c\u1ef1c<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1ed9t m\u1ed1i quan h\u1ec7 b\u1ed5 sung m\u00e0 nh\u00e0 giao d\u1ecbch th\u01b0\u1eddng quan t\u00e2m \u0111\u1ebfn l\u00e0 \u0111\u1ea3o chi\u1ec1u RSI.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea3o chi\u1ec1u RSI t\u00edch c\u1ef1c x\u1ea3y ra khi RSI \u0111\u1ea1t \u0111\u00e1y th\u1ea5p h\u01a1n so v\u1edbi tr\u01b0\u1edbc \u0111\u00f3, \u0111\u1ed3ng th\u1eddi gi\u00e1 coin \u0111\u1ea1t \u0111\u00e1y cao h\u01a1n so v\u1edbi tr\u01b0\u1edbc \u0111\u00f3, cho th\u1ea5y t\u00edn hi\u1ec7u t\u0103ng gi\u00e1 v\u00e0 l\u00e0 t\u00edn hi\u1ec7u mua.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ea3o chi\u1ec1u RSI ti\u00eau c\u1ef1c x\u1ea3y ra khi RSI \u0111\u1ea1t \u0111\u1ec9nh cao h\u01a1n so v\u1edbi tr\u01b0\u1edbc \u0111\u00f3, \u0111\u1ed3ng th\u1eddi gi\u00e1 coin \u0111\u1ea1t \u0111\u1ec9nh th\u1ea5p h\u01a1n, l\u00e0 d\u1ea5u hi\u1ec7u gi\u1ea3m gi\u00e1 v\u00e0 l\u00e0 t\u00edn hi\u1ec7u b\u00e1n.<\/span><\/p>\n<h2><b>V\u00ed d\u1ee5 v\u1ec1 ph\u1ea3n kh\u00e1ng dao \u0111\u1ed9ng RSI (RSI Swing Rejection)<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">M\u1ed9t k\u1ef9 thu\u1eadt giao d\u1ecbch kh\u00e1c l\u00e0 ki\u1ec3m tra h\u00e0nh vi c\u1ee7a RSI khi n\u00f3 v\u01b0\u1ee3t kh\u1ecfi v\u00f9ng mua \u2013 b\u00e1n qu\u00e1 m\u1ee9c, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u1ea3n kh\u00e1ng dao \u0111\u1ed9ng t\u0103ng gi\u00e1 (bullish swing rejection) g\u1ed3m b\u1ed1n ph\u1ea7n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">RSI r\u01a1i v\u00e0o v\u00f9ng b\u00e1n qu\u00e1 nhi\u1ec1u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ec9 s\u1ed1 RSI v\u01b0\u1ee3t l\u00ean tr\u00ean m\u1ee9c 30.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">RSI t\u1ea1o th\u00eam m\u1ed9t \u0111\u00e1y th\u1ea5p h\u01a1n nh\u01b0ng kh\u00f4ng quay tr\u1edf l\u1ea1i v\u00f9ng b\u00e1n qu\u00e1 m\u1ee9c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sau \u0111\u00f3, RSI v\u01b0\u1ee3t qua \u0111\u1ec9nh cao m\u1edbi nh\u1ea5t c\u1ee7a n\u00f3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Trong bi\u1ec3u \u0111\u1ed3 sau, RSI \u0111\u00e3 b\u1ecb b\u00e1n qu\u00e1 m\u1ee9c, v\u01b0\u1ee3t qua m\u1ee9c 30 v\u00e0 t\u1ea1o ra \u0111\u00e1y ph\u1ea3n kh\u00e1ng, k\u00edch ho\u1ea1t t\u00edn hi\u1ec7u khi n\u00f3 t\u0103ng l\u00ean cao h\u01a1n. S\u1eed d\u1ee5ng RSI nh\u01b0 th\u1ebf n\u00e0y t\u01b0\u01a1ng t\u1ef1 nh\u01b0 vi\u1ec7c v\u1ebd c\u00e1c \u0111\u01b0\u1eddng xu h\u01b0\u1edbng tr\u00ean bi\u1ec3u \u0111\u1ed3 gi\u00e1.<\/span><\/p>\n<figure id=\"attachment_16412\" aria-describedby=\"caption-attachment-16412\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16412 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-4.jpg\" alt=\"Ph\u1ea3n kh\u00e1ng \u0111\u1ea3o chi\u1ec1u t\u0103ng gi\u00e1 trong bi\u1ec3u \u0111\u1ed3 RSI (Ngu\u1ed3n: Investopedia)\" width=\"800\" height=\"577\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-4.jpg 800w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-4-300x216.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-4-768x554.jpg 768w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-4-324x235.jpg 324w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-4-696x502.jpg 696w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-4-582x420.jpg 582w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-16412\" class=\"wp-caption-text\">Ph\u1ea3n kh\u00e1ng \u0111\u1ea3o chi\u1ec1u t\u0103ng gi\u00e1 trong bi\u1ec3u \u0111\u1ed3 RSI (Ngu\u1ed3n: Investopedia)<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">T\u01b0\u01a1ng t\u1ef1 nh\u01b0 t\u00edn hi\u1ec7u ph\u1ea3n kh\u00e1ng \u0111\u1ea3o chi\u1ec1u t\u0103ng gi\u00e1, t\u00edn hi\u1ec7u ph\u1ea3n kh\u00e1ng \u0111\u1ea3o chi\u1ec1u gi\u1ea3m gi\u00e1 RSI c\u0169ng l\u00e0 m\u1ed9t phi\u00ean b\u1ea3n \u0111\u1ea3o ng\u01b0\u1ee3c. T\u00edn hi\u1ec7u gi\u1ea3m gi\u00e1 n\u00e0y c\u0169ng c\u00f3 b\u1ed1n ph\u1ea7n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">RSI t\u0103ng l\u00ean v\u00f9ng mua qu\u00e1 nhi\u1ec1u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ec9 s\u1ed1 RSI gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ee9c 70.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">RSI t\u1ea1o th\u00eam m\u1ed9t \u0111\u1ec9nh cao h\u01a1n nh\u01b0ng kh\u00f4ng quay tr\u1edf l\u1ea1i v\u00f9ng mua qu\u00e1 nhi\u1ec1u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sau \u0111\u00f3, RSI ph\u00e1 v\u1ee1 m\u1ee9c th\u1ea5p g\u1ea7n nh\u1ea5t c\u1ee7a n\u00f3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Bi\u1ec3u \u0111\u1ed3 sau minh h\u1ecda t\u00edn hi\u1ec7u ph\u1ea3n kh\u00e1ng \u0111\u1ea3o chi\u1ec1u gi\u1ea3m gi\u00e1 RSI. Gi\u1ed1ng nh\u01b0 h\u1ea7u h\u1ebft c\u00e1c k\u1ef9 thu\u1eadt giao d\u1ecbch, t\u00edn hi\u1ec7u n\u00e0y s\u1ebd \u0111\u00e1ng tin c\u1eady nh\u1ea5t khi n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi xu h\u01b0\u1edbng d\u00e0i h\u1ea1n hi\u1ec7n t\u1ea1i. C\u00e1c t\u00edn hi\u1ec7u gi\u1ea3m gi\u00e1 trong c\u00e1c xu h\u01b0\u1edbng gi\u1ea3m c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra t\u00edn hi\u1ec7u nhi\u1ec5u (false alarm) \u00edt h\u01a1n.<\/span><\/p>\n<figure id=\"attachment_16413\" aria-describedby=\"caption-attachment-16413\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16413 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-5.jpg\" alt=\"Ph\u1ea3n kh\u00e1ng \u0111\u1ea3o chi\u1ec1u gi\u1ea3m gi\u00e1 trong bi\u1ec3u \u0111\u1ed3 RSI (Ngu\u1ed3n: Investopedia)\" width=\"800\" height=\"577\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-5.jpg 800w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-5-300x216.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-5-768x554.jpg 768w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-5-324x235.jpg 324w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-5-696x502.jpg 696w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-5-582x420.jpg 582w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-16413\" class=\"wp-caption-text\">Ph\u1ea3n kh\u00e1ng \u0111\u1ea3o chi\u1ec1u gi\u1ea3m gi\u00e1 trong bi\u1ec3u \u0111\u1ed3 RSI (Ngu\u1ed3n: Investopedia)<\/figcaption><\/figure>\n<h2><b>S\u1ef1 kh\u00e1c nhau gi\u1eefa RSI v\u00e0 MACD<\/b><\/h2>\n<table>\n<tbody>\n<tr>\n<td><b>\u0110\u1eb7c \u0111i\u1ec3m<\/b><\/td>\n<td><b>RSI<\/b><\/td>\n<td><b>MACD<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>C\u00e1ch \u0111o l\u01b0\u1eddng<\/b><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ed1i quan h\u1ec7 gi\u1eefa m\u1ee9c t\u0103ng &amp; gi\u1ea3m gi\u00e1 trung b\u00ecnh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">S\u1ef1 ch\u00eanh l\u1ec7ch gi\u1eefa 2 \u0111\u01b0\u1eddng EMA (12 &amp; 26 ng\u00e0y)<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Ph\u1ea1m vi<\/b><\/td>\n<td><span style=\"font-weight: 400;\">0 &#8211; 100<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 \u00e2m ho\u1eb7c d\u01b0\u01a1ng, kh\u00f4ng gi\u1edbi h\u1ea1n<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng<\/b><\/td>\n<td><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh qu\u00e1 mua\/b\u00e1n qu\u00e1 m\u1ee9c, \u0111i\u1ec3m \u0111\u1ea3o chi\u1ec1u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">X\u00e1c \u0111\u1ecbnh t\u00edn hi\u1ec7u mua\/b\u00e1n, ph\u00e2n k\u1ef3 gi\u00e1<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>\u01afu \u0111i\u1ec3m<\/b><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ec5 hi\u1ec3u, d\u1ec5 s\u1eed d\u1ee5ng, th\u00f4ng tin chi ti\u1ebft v\u1ec1 \u0111\u1ed9ng l\u1ef1c<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u00e1t hi\u1ec7n t\u00edn hi\u1ec7u s\u1edbm, x\u00e1c \u0111\u1ecbnh ph\u00e2n k\u1ef3 gi\u00e1, x\u00e1c nh\u1eadn t\u00edn hi\u1ec7u RSI<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/b><\/td>\n<td><span style=\"font-weight: 400;\">T\u00edn hi\u1ec7u sai trong xu h\u01b0\u1edbng m\u1ea1nh, ch\u1eadm tr\u1ec5 x\u00e1c \u0111\u1ecbnh \u0111\u1ea3o chi\u1ec1u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ee9c t\u1ea1p h\u01a1n, t\u1ea1o t\u00edn hi\u1ec7u nhi\u1ec5u, c\u1ea7n k\u1ebft h\u1ee3p ch\u1ec9 b\u00e1o kh\u00e1c<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>S\u1eed d\u1ee5ng k\u1ebft h\u1ee3p<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Cung c\u1ea5p b\u1ee9c tranh to\u00e0n di\u1ec7n v\u1ec1 \u0111\u1ed9ng l\u1ef1c &amp; xu h\u01b0\u1edbng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng x\u00e1c \u0111\u1ecbnh c\u01a1 h\u1ed9i giao d\u1ecbch, gi\u1ea3m thi\u1ec3u r\u1ee7i ro<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Khi k\u1ebft h\u1ee3p RSI v\u00e0 MACD, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng hai ch\u1ec9 b\u00e1o n\u00e0y \u0111o l\u01b0\u1eddng \u0111\u1ed9ng l\u1ef1c c\u1ee7a t\u00e0i s\u1ea3n t\u1eeb c\u00e1c g\u00f3c \u0111\u1ed9 kh\u00e1c nhau, n\u00ean \u0111\u00f4i khi ch\u00fang c\u00f3 th\u1ec3 cho t\u00edn hi\u1ec7u m\u00e2u thu\u1eabn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5, RSI c\u00f3 th\u1ec3 cho th\u1ea5y m\u1ee9c mua qu\u00e1 m\u1ee9c khi v\u01b0\u1ee3t qua 70, trong khi MACD v\u1eabn ch\u1ec9 ra s\u1ef1 t\u0103ng \u0111\u1ed9ng l\u1ef1c mua. C\u1ea3 hai ch\u1ec9 b\u00e1o c\u0169ng c\u00f3 th\u1ec3 b\u00e1o hi\u1ec7u s\u1ef1 thay \u0111\u1ed5i xu h\u01b0\u1edbng b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n ph\u00e2n k\u1ef3 v\u1edbi gi\u00e1, v\u00ed d\u1ee5, gi\u00e1 t\u0103ng trong khi ch\u1ec9 b\u00e1o gi\u1ea3m, ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">RSI v\u00e0 MACD l\u00e0 hai ch\u1ec9 b\u00e1o k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn \u0111\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u1ed9ng l\u1ef1c v\u00e0 x\u00e1c \u0111\u1ecbnh t\u00edn hi\u1ec7u mua\/b\u00e1n. D\u00f9 c\u00f3 ph\u01b0\u01a1ng ph\u00e1p t\u00ednh to\u00e1n kh\u00e1c nhau, s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p c\u1ea3 hai c\u00f3 th\u1ec3 gi\u00fap nh\u00e0 giao d\u1ecbch ra quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 h\u01a1n.<\/span><\/p>\n<h2><b>Gi\u1edbi h\u1ea1n c\u1ee7a RSI<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">RSI l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o dao \u0111\u1ed9ng so s\u00e1nh \u0111\u1ed9ng l\u1ef1c t\u0103ng v\u00e0 gi\u1ea3m gi\u00e1, hi\u1ec3n th\u1ecb d\u01b0\u1edbi bi\u1ec3u \u0111\u1ed3 gi\u00e1. T\u00edn hi\u1ec7u RSI \u0111\u00e1ng tin c\u1eady nh\u1ea5t khi kh\u1edbp v\u1edbi xu h\u01b0\u1edbng d\u00e0i h\u1ea1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">T\u00edn hi\u1ec7u \u0111\u1ea3o chi\u1ec1u th\u1ef1c s\u1ef1 hi\u1ebfm v\u00e0 kh\u00f3 ph\u00e2n bi\u1ec7t v\u1edbi t\u00edn hi\u1ec7u nhi\u1ec5u. V\u00ed d\u1ee5:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u00edn hi\u1ec7u d\u01b0\u01a1ng gi\u1ea3 (false positive):<\/b><span style=\"font-weight: 400;\"> x\u1ea3y ra khi RSI cho t\u00edn hi\u1ec7u mua nh\u01b0ng gi\u00e1 c\u1ed5 phi\u1ebfu l\u1ea1i gi\u1ea3m m\u1ea1nh sau \u0111\u00f3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u00edn hi\u1ec7u \u00e2m gi\u1ea3 (false negative):<\/b><span style=\"font-weight: 400;\"> x\u1ea3y ra khi RSI cho t\u00edn hi\u1ec7u b\u00e1n nh\u01b0ng gi\u00e1 c\u1ed5 phi\u1ebfu l\u1ea1i t\u0103ng m\u1ea1nh sau \u0111\u00f3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">RSI c\u00f3 th\u1ec3 duy tr\u00ec \u1edf v\u00f9ng mua qu\u00e1 m\u1ee9c ho\u1eb7c b\u00e1n qu\u00e1 m\u1ee9c khi t\u00e0i s\u1ea3n c\u00f3 \u0111\u1ed9ng l\u1ef1c m\u1ea1nh. V\u00ec v\u1eady, RSI h\u1eefu d\u1ee5ng nh\u1ea5t trong th\u1ecb tr\u01b0\u1eddng dao \u0111\u1ed9ng, n\u01a1i gi\u00e1 t\u00e0i s\u1ea3n lu\u00e2n phi\u00ean gi\u1eefa t\u0103ng v\u00e0 gi\u1ea3m.<\/span><\/p>\n<h2><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 RSI<\/b><\/h2>\n<h3><b>Ch\u1ec9 s\u1ed1 s\u1ee9c m\u1ea1nh t\u01b0\u01a1ng \u0111\u1ed1i (RSI) l\u00e0 g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">RSI (Relative Strength Index) \u0111o l\u01b0\u1eddng \u0111\u1ed9ng l\u1ef1c gi\u00e1 c\u1ee7a c\u1ed5 phi\u1ebfu ho\u1eb7c coin kh\u00e1c, bi\u1ec3u di\u1ec5n tr\u00ean thang \u0111i\u1ec3m t\u1eeb 0 \u0111\u1ebfn 100. RSI d\u01b0\u1edbi 30 cho bi\u1ebft c\u1ed5 phi\u1ebfu \u0111ang b\u00e1n qu\u00e1 m\u1ee9c, tr\u00ean 70 cho bi\u1ebft \u0111ang mua qu\u00e1 m\u1ee9c. C\u00e1c nh\u00e0 giao d\u1ecbch th\u01b0\u1eddng \u0111\u1eb7t bi\u1ec3u \u0111\u1ed3 RSI d\u01b0\u1edbi bi\u1ec3u \u0111\u1ed3 gi\u00e1 \u0111\u1ec3 so s\u00e1nh \u0111\u1ed9ng l\u1ef1c v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng.<\/span><\/p>\n<h3><b>C\u00f3 n\u00ean mua v\u00e0o khi RSI th\u1ea5p?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 nh\u00e0 giao d\u1ecbch coi RSI d\u01b0\u1edbi 30 l\u00e0 t\u00edn hi\u1ec7u mua, d\u1ef1a tr\u00ean \u00fd t\u01b0\u1edfng r\u1eb1ng \u0111\u1ed3ng coin \u0111\u00e3 b\u00e1n qu\u00e1 m\u1ee9c v\u00e0 s\u1eb5n s\u00e0ng ph\u1ee5c h\u1ed3i. Tuy nhi\u00ean, trong xu h\u01b0\u1edbng gi\u1ea3m m\u1ea1nh, coin c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c \u1edf v\u00f9ng b\u00e1n qu\u00e1 m\u1ee9c. Do \u0111\u00f3, c\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 \u0111\u1ee3i c\u00e1c ch\u1ec9 b\u00e1o k\u1ef9 thu\u1eadt kh\u00e1c x\u00e1c nh\u1eadn t\u00edn hi\u1ec7u mua.<\/span><\/p>\n<h3><b>\u0110i\u1ec1u g\u00ec x\u1ea3y ra khi RSI cao?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">RSI \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem m\u1ed9t coin\/token c\u00f3 \u0111\u01b0\u1ee3c mua qu\u00e1 nhi\u1ec1u hay kh\u00f4ng. Gi\u00e1 tr\u1ecb RSI cao c\u00f3 th\u1ec3 ngh\u0129a l\u00e0 \u0111\u1ed3ng ti\u1ec1n \u0111\u00f3 \u0111ang mua qu\u00e1 nhi\u1ec1u v\u00e0 gi\u00e1 c\u00f3 th\u1ec3 gi\u1ea3m, do \u0111\u00f3, \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 t\u00edn hi\u1ec7u \u0111\u1ec3 b\u00e1n.<\/span><\/p>\n<figure id=\"attachment_16416\" aria-describedby=\"caption-attachment-16416\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16416 size-full\" src=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-8.jpg\" alt=\"RSI cao th\u01b0\u1eddng l\u00e0 t\u00edn hi\u1ec7u b\u00e1n\" width=\"800\" height=\"436\" srcset=\"https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-8.jpg 800w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-8-300x164.jpg 300w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-8-768x419.jpg 768w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-8-696x379.jpg 696w, https:\/\/bitcoinvn.io\/news\/wp-content\/uploads\/2019\/10\/rsi-la-gi-8-771x420.jpg 771w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-16416\" class=\"wp-caption-text\">RSI cao th\u01b0\u1eddng l\u00e0 t\u00edn hi\u1ec7u b\u00e1n<\/figcaption><\/figure>\n<h2><b>K\u1ebft lu\u1eadn<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">B\u00e0i vi\u1ebft tr\u00ean \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n c\u00e1i nh\u00ecn t\u1ed5ng quan v\u00e0 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 kh\u00e1i ni\u1ec7m <\/span><b>\u201cRSI l\u00e0 g\u00ec?\u201d<\/b><span style=\"font-weight: 400;\">. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng gi\u00fap nh\u00e0 giao d\u1ecbch hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 s\u1ef1 \u0111\u1ed9ng l\u1ef1c c\u1ee7a gi\u00e1 c\u1ea3 v\u00e0 ph\u1ea3n \u1ee9ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng. Tuy nhi\u00ean, \u0111\u1ec3 \u00e1p d\u1ee5ng RSI hi\u1ec7u qu\u1ea3, vi\u1ec7c k\u1ebft h\u1ee3p n\u00f3 v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt kh\u00e1c l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh giao d\u1ecbch chi\u1ebfn l\u01b0\u1ee3c v\u00e0 b\u1ea3o \u0111\u1ea3m t\u00ednh ch\u00ednh x\u00e1c trong giao d\u1ecbch.<\/span><\/p>\n<p style=\"text-align: right;\"><b>Ngu\u1ed3n: <\/b><a href=\"https:\/\/www.investopedia.com\/terms\/r\/rsi.asp\" target=\"_blank\" rel=\"noopener\"><b>Investopedia<\/b><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>RSI (Relative Strength Index) l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn nh\u1ea5t trong ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u1ed9ng l\u1ef1c gi\u00e1 c\u1ee7a c\u00e1c ch\u1ee9ng kho\u00e1n\/crypto v\u00e0 t\u00e0i s\u1ea3n t\u01b0\u01a1ng t\u1ef1 tr\u00ean th\u1ecb tr\u01b0\u1eddng t\u00e0i ch\u00ednh. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng nhau t\u00ecm hi\u1ec3u RSI l\u00e0 g\u00ec [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":16409,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[143,1],"tags":[120],"class_list":["post-1326","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-advanced-guide","category-uncategorized","tag-ta"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>RSI l\u00e0 g\u00ec? C\u00e1ch d\u00f9ng RSI \u0111\u1ec3 \u0111\u1ea7u t\u01b0 crypto th\u00f4ng minh<\/title>\n<meta name=\"description\" content=\"RSI l\u00e0 g\u00ec? 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C\u00e1ch d\u00f9ng RSI \u0111\u1ec3 \u0111\u1ea7u t\u01b0 crypto th\u00f4ng minh","description":"RSI l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u c\u00e1ch d\u00f9ng ch\u1ec9 b\u00e1o RSI \u0111\u1ec3 t\u1ed1i \u01b0u chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ea7u t\u01b0 ti\u1ec1n \u0111i\u1ec7n t\u1eed th\u00f4ng minh, hi\u1ec7u qu\u1ea3 cho m\u1ecdi nh\u00e0 giao d\u1ecbch. Xem ngay!","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/bitcoinvn.io\/news\/vi\/chi-bao-rsi-la-gi-cach-su-dung-rsi-trong-trading-crypto\/","og_locale":"en_US","og_type":"article","og_title":"RSI l\u00e0 g\u00ec? C\u00e1ch d\u00f9ng RSI \u0111\u1ec3 \u0111\u1ea7u t\u01b0 crypto th\u00f4ng minh","og_description":"RSI l\u00e0 g\u00ec? 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