{"id":3374,"date":"2019-11-27T14:49:05","date_gmt":"2019-11-27T07:49:05","guid":{"rendered":"https:\/\/news.bitcoinvn.io\/?p=3374"},"modified":"2019-11-28T14:37:15","modified_gmt":"2019-11-28T07:37:15","slug":"ban-khong-la-gi-khi-nao-nen-short-sell","status":"publish","type":"post","link":"https:\/\/bitcoinvn.io\/news\/vi\/ban-khong-la-gi-khi-nao-nen-short-sell\/","title":{"rendered":"B\u00e1n kh\u1ed1ng (short selling) l\u00e0 g\u00ec? Khi n\u00e0o n\u00ean short sell?"},"content":{"rendered":"<p>B\u00e1n kh\u1ed1ng l\u00e0 c\u00e1ch ki\u1ebfm ti\u1ec1n tr\u00ean ti\u1ec1n m\u00e3 ho\u00e1 c\u00f3 gi\u00e1 \u0111ang gi\u1ea3m. \u0110\u00f3 l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m kh\u00e1 \u0111\u01a1n gi\u1ea3n: m\u1ed9t nh\u00e0 \u0111\u1ea7u t\u01b0 vay Bitcoin, b\u00e1n Bitcoin \u0111\u00f3 v\u00e0 sau \u0111\u00f3 mua l\u1ea1i n\u00f3 \u0111\u1ec3 tr\u1ea3 l\u1ea1i ng\u01b0\u1eddi cho vay.<!--more-->Ng\u01b0\u1eddi b\u00e1n kh\u1ed1ng (short seller) cho r\u1eb1ng coin h\u1ecd b\u00e1n s\u1ebd gi\u1ea3m gi\u00e1. N\u1ebfu coin gi\u1ea3m sau khi b\u00e1n, h\u1ecd s\u1ebd mua l\u1ea1i v\u1edbi gi\u00e1 th\u1ea5p h\u01a1n v\u00e0 tr\u1ea3 l\u1ea1i cho ng\u01b0\u1eddi cho vay.<\/p>\n<p><em>Quan tr\u1ecdng: Short selling lu\u00f4n \u0111i k\u00e8m r\u1ee7i ro. \u0110\u1ea7u t\u01b0 ti\u1ec1n \u0111i\u1ec7n t\u1eed l\u00e2u d\u00e0i \u0111\u1ed3ng ngh\u0129a nh\u00e0 \u0111\u1ea7u t\u01b0 ch\u1ec9 m\u1ea5t kho\u1ea3n \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u. N\u1ebfu m\u1ed9t nh\u00e0 \u0111\u1ea7u t\u01b0 b\u00e1n kh\u1ed1ng m\u1ed9t coin, x\u00e9t v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt kh\u00f4ng c\u00f3 gi\u1edbi h\u1ea1n v\u1ec1 s\u1ed1 ti\u1ec1n h\u1ecd c\u00f3 th\u1ec3 m\u1ea5t v\u00ec coin c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c t\u0103ng gi\u00e1 tr\u1ecb.<\/em><\/p>\n<p><strong>V\u00ed d\u1ee5:<\/strong> n\u1ebfu m\u1ed9t nh\u00e0 \u0111\u1ea7u t\u01b0 ngh\u0129 r\u1eb1ng Bitcoin (BTC) \u0111ang \u1edf m\u1ee9c 9000 USD v\u00e0 s\u1ebd gi\u1ea3m gi\u00e1, nh\u00e0 \u0111\u1ea7u t\u01b0 c\u00f3 th\u1ec3 vay 1 BTC t\u1eeb s\u00e0n giao d\u1ecbch v\u00e0 b\u00e1n v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng hi\u1ec7n t\u1ea1i l\u00e0 9000 \u0111\u00f4. N\u1ebfu BTC gi\u1ea3m xu\u1ed1ng c\u00f2n 8000 \u0111\u00f4 la, nh\u00e0 \u0111\u1ea7u t\u01b0 c\u00f3 th\u1ec3 mua l\u1ea1i 1 Bitcoin \u1edf m\u1ee9c gi\u00e1 n\u00e0y, tr\u1ea3 l\u1ea1i 1 BTC cho s\u00e0n giao d\u1ecbch v\u00e0 l\u00e3i r\u00f2ng $9000 (gi\u00e1 b\u00e1n) &#8211; 8000 (gi\u00e1 mua) = 1000 \u0111\u00f4 la.Tuy nhi\u00ean, n\u1ebfu gi\u00e1 Bitcoin t\u0103ng l\u00ean $9500, nh\u00e0 \u0111\u1ea7u t\u01b0 b\u1ecb l\u1ed7 $9000 &#8211; $9500 = &#8211; $500 m\u1ed7i BTC.<\/p>\n<h2>R\u1ee7i ro \u0111i k\u00e8m<\/h2>\n<p>B\u00e1n kh\u1ed1ng \u0111i k\u00e8m v\u1edbi r\u1ee7i ro. Khi m\u1ed9t nh\u00e0 \u0111\u1ea7u t\u01b0 mua cryptocurrency (\u0111\u1ea7u t\u01b0 l\u00e2u d\u00e0i), h\u1ecd s\u1ebd ch\u1ec9 m\u1ea5t s\u1ed1 ti\u1ec1n m\u00e0 h\u1ecd \u0111\u00e3 \u0111\u1ea7u t\u01b0. Do \u0111\u00f3, n\u1ebfu nh\u00e0 \u0111\u1ea7u t\u01b0 mua Bitcoin \u1edf m\u1ee9c $9000, m\u1ee9c t\u1ed1i \u0111a h\u1ecd c\u00f3 th\u1ec3 m\u1ea5t l\u00e0 $9000 v\u00ec Bitcoin kh\u00f4ng th\u1ec3 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi $0. N\u00f3i c\u00e1ch kh\u00e1c, gi\u00e1 tr\u1ecb t\u1ed1i thi\u1ec3u m\u00e0 b\u1ea5t k\u1ef3 coin n\u00e0o c\u0169ng c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng l\u00e0 $0. Tuy nhi\u00ean, khi m\u1ed9t nh\u00e0 \u0111\u1ea7u t\u01b0 b\u00e1n kh\u1ed1ng, v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft h\u1ecd c\u00f3 th\u1ec3 m\u1ea5t m\u1ed9t l\u01b0\u1ee3ng ti\u1ec1n v\u00f4 h\u1ea1n v\u00ec gi\u00e1 ti\u1ec1n m\u00e3 ho\u00e1 c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c t\u0103ng m\u00e3i m\u00e3i. Nh\u01b0 trong v\u00ed d\u1ee5 tr\u00ean, n\u1ebfu m\u1ed9t nh\u00e0 \u0111\u1ea7u t\u01b0 b\u00e1n kh\u1ed1ng Bitcoin v\u00e0 gi\u00e1 \u0111\u00e3 t\u0103ng l\u00ean $10000, h\u1ecd s\u1ebd m\u1ea5t $1000 m\u1ed7i BTC.<\/p>\n<p><em><strong>\u0110i\u1ec3m m\u1ea5u ch\u1ed1t<\/strong><\/em><\/p>\n<ul>\n<li><em>Ng\u01b0\u1eddi b\u00e1n kh\u1ed1ng \u0111ang \u0111\u1eb7t c\u01b0\u1ee3c r\u1eb1ng m\u1ed9t lo\u1ea1i ti\u1ec1n \u0111i\u1ec7n t\u1eed s\u1ebd gi\u1ea3m gi\u00e1.<\/em><\/li>\n<li><em>B\u00e1n kh\u1ed1ng c\u00f3 r\u1ee7i ro cao h\u01a1n so v\u1edbi vi\u1ec7c \u0111\u1ea7u t\u01b0 l\u00e2u d\u00e0i.<\/em><\/li>\n<li><em>Nh\u00e0 \u0111\u1ea7u c\u01a1 b\u00e1n kh\u1ed1ng \u0111\u1ec3 t\u1eadn d\u1ee5ng s\u1ef1 suy gi\u1ea3m trong khi nh\u1eefng ng\u01b0\u1eddi ph\u00f2ng ng\u1eeba r\u1ee7i ro b\u00e1n kh\u1ed1ng \u0111\u1ec3 b\u1ea3o v\u1ec7 l\u1ee3i nhu\u1eadn ho\u1eb7c gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t.<\/em><\/li>\n<li><em>B\u00e1n kh\u1ed1ng s\u1ebd mang l\u1ea1i l\u1ee3i nhu\u1eadn n\u1ebfu m\u1ed9t nh\u00e0 \u0111\u1ea7u t\u01b0 ch\u1eafc ch\u1eafn r\u1eb1ng gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed9t coin s\u1ebd gi\u1ea3m trong ng\u1eafn h\u1ea1n.<\/em><\/li>\n<\/ul>\n<h2>T\u1ea1i sao c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 b\u00e1n kh\u1ed1ng?<\/h2>\n<p>B\u00e1n kh\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea7u c\u01a1 ho\u1eb7c ph\u00f2ng ng\u1eeba r\u1ee7i ro. C\u00e1c nh\u00e0 \u0111\u1ea7u c\u01a1 s\u1eed d\u1ee5ng short selling \u0111\u1ec3 t\u1eadn d\u1ee5ng s\u1ef1 suy gi\u1ea3m ti\u1ec1m \u1ea9n trong th\u1ecb tr\u01b0\u1eddng r\u1ed9ng l\u1edbn. C\u00e1c nh\u00e0 ph\u00f2ng h\u1ed9 (hedgers) s\u1eed d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 b\u1ea3o v\u1ec7 l\u1ee3i nhu\u1eadn ho\u1eb7c gi\u1ea3m thi\u1ec3u t\u1ed5n th\u1ea5t trong m\u1ed9t danh m\u1ee5c \u0111\u1ea7u t\u01b0 ho\u1eb7c b\u1ea3o m\u1eadt.<\/p>\n<p>L\u01b0u \u00fd r\u1eb1ng c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 t\u1ed5 ch\u1ee9c v\u00e0 c\u00e1c c\u00e1 nh\u00e2n hi\u1ec3u bi\u1ebft th\u01b0\u1eddng xuy\u00ean tham gia v\u00e0o c\u00e1c chi\u1ebfn l\u01b0\u1ee3c b\u00e1n kh\u1ed1ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho c\u1ea3 m\u1ee5c \u0111\u00edch \u0111\u1ea7u c\u01a1 v\u00e0 ph\u00f2ng ng\u1eeba r\u1ee7i ro. C\u00e1c qu\u1ef9 ph\u00f2ng h\u1ed9 (hedge funds) l\u00e0 m\u1ed9t trong nh\u1eefng ng\u01b0\u1eddi b\u00e1n kh\u1ed1ng t\u00edch c\u1ef1c nh\u1ea5t, h\u1ecd th\u01b0\u1eddng ki\u1ebfm l\u1ee3i nhu\u1eadn ng\u1eafn h\u1ea1n t\u1eeb c\u00e1c coin ho\u1eb7c l\u0129nh v\u1ef1c \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec3 b\u1ea3o v\u1ec7 k\u1ebf ho\u1ea1ch d\u00e0i h\u1ea1n c\u1ee7a h\u1ecd trong c\u00e1c \u0111\u1ed3ng coin kh\u00e1c.<\/p>\n<p>M\u1eb7c d\u00f9 short selling gi\u00fap cho c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 c\u00f3 c\u01a1 h\u1ed9i ki\u1ebfm l\u1ee3i nhu\u1eadn trong m\u1ed9t th\u1ecb tr\u01b0\u1eddng gi\u1ea3m ho\u1eb7c trung t\u00ednh, nh\u01b0ng v\u00ec r\u1ee7i ro thua l\u1ed7 l\u00e0 v\u00f4 h\u1ea1n n\u00ean ch\u1ec9 c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 t\u00e0i gi\u1ecfi m\u1edbi n\u00ean th\u1eed s\u1ee9c.<\/p>\n<h2>Khi n\u00e0o b\u00e1n kh\u1ed1ng c\u00f3 \u00fd ngh\u0129a?<\/h2>\n<p>B\u00e1n kh\u1ed1ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 \u0111\u1ea7u t\u01b0 s\u1eed d\u1ee5ng ph\u1ea7n l\u1edbn b\u1edfi v\u00ec k\u1ef3 v\u1ecdng l\u00e0 coin s\u1ebd t\u0103ng gi\u00e1 tr\u1ecb. Ri\u00eang \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u1ea7u t\u01b0 l\u00e2u d\u00e0i, vi\u1ec7c mua v\u00e0 hold coin \u00edt r\u1ee7i ro h\u01a1n so v\u1edbi b\u00e1n kh\u1ed1ng. B\u00e1n kh\u1ed1ng ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i nhu\u1eadn n\u1ebfu nh\u00e0 \u0111\u1ea7u t\u01b0 ch\u1eafc ch\u1eafn r\u1eb1ng ti\u1ec1n m\u00e3 ho\u00e1 c\u00f3 kh\u1ea3 n\u0103ng gi\u1ea3m trong ng\u1eafn h\u1ea1n.<\/p>\n<p style=\"text-align: right;\">Theo: <a href=\"https:\/\/www.investopedia.com\/ask\/answers\/how-does-one-make-money-short-selling\/\">investopedia.com<\/a><\/p>\n<p>Tham kh\u1ea3o b\u00e0i vi\u1ebft kh\u00e1c<\/p>\n<p class=\"entry-title td-module-title\"><a title=\"Bitcoin halving l\u00e0 g\u00ec? Bitcoin halving c\u00f3 ngh\u0129a l\u00e0 gi\u00e1 BTC s\u1ebd t\u0103ng l\u00ean?\" href=\"https:\/\/news.bitcoinvn.io\/bitcoin-halving-la-gi\/\" rel=\"bookmark\">Bitcoin halving l\u00e0 g\u00ec? Bitcoin halving c\u00f3 ngh\u0129a l\u00e0 gi\u00e1 BTC s\u1ebd t\u0103ng l\u00ean?<\/a><\/p>\n<p class=\"entry-title\"><a href=\"https:\/\/news.bitcoinvn.io\/margin-la-gi-huong-dan-co-ban-ve-margin-trading\/\">Margin l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n v\u1ec1 margin trading<\/a><\/p>\n<p class=\"entry-title td-module-title\"><a title=\"Ph\u00e2n t\u00edch c\u01a1 b\u1ea3n Fundamental Analysis (FA) l\u00e0 g\u00ec? Ki\u1ebfn th\u1ee9c cho ng\u01b0\u1eddi m\u1edbi\" href=\"https:\/\/news.bitcoinvn.io\/phan-tich-co-ban-fa-la-gi\/\" rel=\"bookmark\">Ph\u00e2n t\u00edch c\u01a1 b\u1ea3n Fundamental Analysis (FA) l\u00e0 g\u00ec? Ki\u1ebfn th\u1ee9c cho ng\u01b0\u1eddi m\u1edbi<\/a><\/p>\n<p class=\"entry-title\"><a href=\"https:\/\/news.bitcoinvn.io\/what-is-the-difference-between-ico-sto-and-ieo\/\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ICO, STO v\u00e0 IEO l\u00e0 g\u00ec?<\/a><\/p>\n<p>Tham gia ngay c\u1ed9ng \u0111\u1ed3ng c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt c\u00e1c tin t\u1ee9c nhanh nh\u1ea5t:\u00a0<a href=\"https:\/\/t.me\/bitcoinvn_community\">BitcoinVN Telegram group\u00a0<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e1n kh\u1ed1ng l\u00e0 c\u00e1ch ki\u1ebfm ti\u1ec1n tr\u00ean ti\u1ec1n m\u00e3 ho\u00e1 c\u00f3 gi\u00e1 \u0111ang gi\u1ea3m. \u0110\u00f3 l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m kh\u00e1 \u0111\u01a1n gi\u1ea3n: m\u1ed9t nh\u00e0 \u0111\u1ea7u t\u01b0 vay Bitcoin, b\u00e1n Bitcoin \u0111\u00f3 v\u00e0 sau \u0111\u00f3 mua l\u1ea1i n\u00f3 \u0111\u1ec3 tr\u1ea3 l\u1ea1i ng\u01b0\u1eddi cho vay.<\/p>\n","protected":false},"author":11,"featured_media":3909,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-3374","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-topic-guide"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>B\u00e1n kh\u1ed1ng (short selling) l\u00e0 g\u00ec? Khi n\u00e0o n\u00ean short sell? - BitcoinVN News<\/title>\n<meta name=\"description\" content=\"B\u00e1n kh\u1ed1ng l\u00e0 c\u00e1ch ki\u1ebfm ti\u1ec1n tr\u00ean ti\u1ec1n m\u00e3 ho\u00e1 c\u00f3 gi\u00e1 \u0111ang gi\u1ea3m. M\u1ed9t nh\u00e0 giao d\u1ecbch vay Bitcoin, b\u00e1n Bitcoin \u0111\u00f3 v\u00e0 sau \u0111\u00f3 mua l\u1ea1i n\u00f3 \u0111\u1ec3 tr\u1ea3 l\u1ea1i ng\u01b0\u1eddi cho vay.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bitcoinvn.io\/news\/vi\/ban-khong-la-gi-khi-nao-nen-short-sell\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"B\u00e1n kh\u1ed1ng (short selling) l\u00e0 g\u00ec? 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