{"id":30162,"date":"2023-12-07T09:00:38","date_gmt":"2023-12-07T09:00:38","guid":{"rendered":"https:\/\/masterskills.org\/blog\/do-nhieu-noise-la-gi-khung-thoi-gian-va-do-nhieu.html"},"modified":"2023-12-23T06:12:04","modified_gmt":"2023-12-22T23:12:04","slug":"do-nhieu-noise-la-gi-khung-thoi-gian-va-do-nhieu","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/do-nhieu-noise-la-gi-khung-thoi-gian-va-do-nhieu.html","title":{"rendered":"\u0110\u1ed9 nhi\u1ec5u (Noise) l\u00e0 g\u00ec? Khung th\u1eddi gian v\u00e0 \u0110\u1ed9 nhi\u1ec5u"},"content":{"rendered":"<div class=\"vnbcbc-body vceditor-content wi-active\" data-role=\"content\">\n<figure class=\"VCSortableInPreviewMode\" type=\"Photo\" style=\"\">\n<div><\/div><figcaption class=\"PhotoCMS_Caption\">\n<p data-placeholder=\"[nh\u1eadp ch\u00fa th\u00edch]\">Hi\u0300nh minh ho\u0323a. Ngu\u00f4\u0300n: Investopedia<\/p>\n<\/figcaption><\/figure>\n<h2><font style=\"line-height: 22px; font-size: 22px;\" color=\"#3d85c6\">\u0110\u1ed9 nhi\u1ec5u<\/font><\/h2>\n<p><b>Kha\u0301i ni\u00ea\u0323m<\/b><\/p>\n<p><b>\u0110\u1ed9 nhi\u1ec5u<\/b> trong ti\u00ea\u0301ng Anh la\u0300 <b>Noise<\/b>.<\/p>\n<p>\u0110\u1eb7t trong m\u1ed9t b\u1ed1i c\u1ea3nh r\u1ed9ng h\u01a1n th\u00ec <b>\u0111\u1ed9 nhi\u1ec5u<\/b> l\u00e0 c\u00e1c th\u00f4ng tin ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng g\u00e2y nh\u1ea7m l\u1eabn hay gi\u1ea3i th\u00edch sai c\u00e1c\u00a0xu h\u01b0\u1edbng\u00a0c\u01a1 b\u1ea3n th\u1ef1c s\u1ef1.\u00a0<\/p>\n<p>Trong th\u1ecb tr\u01b0\u1eddng t\u00e0i ch\u00ednh, \u0111\u1ed9 nhi\u1ec5u c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 nh\u1ecf tr\u00ean th\u1ecb tr\u01b0\u1eddng, c\u0169ng nh\u01b0 c\u00f3 th\u1ec3 l\u00e0 c\u00e1c bi\u1ebfn \u0111\u1ed9ng gi\u00e1 l\u00e0m bi\u1ebfn d\u1ea1ng\u00a0xu h\u01b0\u1edbng\u00a0chung.\u00a0<\/p>\n<p>V\u00ec v\u1eady, \u0111\u1ed9 nhi\u1ec5u th\u1ecb tr\u01b0\u1eddng c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c nh\u1eadn ra \u0111i\u1ec1u g\u00ec \u0111ang th\u00fac \u0111\u1ea9y xu h\u01b0\u1edbng, v\u00e0 li\u1ec7u m\u1ed9t xu h\u01b0\u1edbng c\u00f3 \u0111ang thay \u0111\u1ed5i hay ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 tr\u1ea3i qua m\u1ed9t bi\u1ebfn \u0111\u1ed9ng ng\u1eafn h\u1ea1n.\u00a0<\/p>\n<h3><font style=\"line-height: 22px; font-size: 22px;\" color=\"#3d85c6\">\u0110\u1eb7c \u0111i\u1ec3m \u0110\u1ed9 nhi\u1ec5u\u00a0<\/font><\/h3>\n<p><b>\u0110\u1ed9 nhi\u1ec5u<\/b> bi\u1ec3u th\u1ecb c\u00e1c ho\u1ea1t \u0111\u1ed9ng tr\u00ean th\u1ecb tr\u01b0\u1eddng ch\u1ee9ng kho\u00e1n g\u00e2y ra b\u1edfi c\u00e1c\u00a0giao d\u1ecbch t\u1ef1 \u0111\u1ed9ng, thanh to\u00e1n\u00a0c\u1ed5 t\u1ee9c\u00a0ho\u1eb7c c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng kh\u00e1c m\u00e0 kh\u00f4ng ph\u1ea3n \u00e1nh\u00a0t\u00e2m l\u00ed chung\u00a0c\u1ee7a th\u1ecb tr\u01b0\u1eddng.\u00a0<\/p>\n<p>Kh\u00e1i ni\u1ec7m \u0111\u1ed9 nhi\u1ec5u \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u ch\u00ednh th\u1ee9c l\u1ea7n \u0111\u1ea7u trong m\u1ed9t b\u00e0i nghi\u00ean c\u1ee9u c\u1ee7a nh\u00e0 kinh t\u1ebf h\u1ecdc Fischer Black xu\u1ea5t b\u1ea3n n\u0103m 1986.\u00a0<\/p>\n<p><i>\u00d4ng tuy\u00ean b\u1ed1 r\u1eb1ng &#8220;\u0111\u1ed9 nhi\u1ec5u&#8221; n\u00ean \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t v\u1edbi &#8220;th\u00f4ng tin&#8221;, v\u00e0\u00a0<\/i>kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch<i>\u00a0kh\u00f4ng c\u00e2n x\u1ee9ng x\u1ea3y ra th\u01b0\u1eddng tr\u00ean c\u01a1 s\u1edf \u0111\u1ed9 nhi\u1ec5u, ch\u1ee9 kh\u00f4ng c\u00f3 t\u00e1c \u0111\u1ed9ng th\u1ef1c s\u1ef1.  \u00a0  \u00a0<\/i><\/p>\n<p>D\u00f9 t\u1ea5t c\u1ea3 c\u00e1c giao d\u1ecbch th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb m\u1ee5c \u0111\u00edch\u00a0\u0111\u1ea7u c\u01a1, nh\u01b0ng c\u00e1c nh\u00e0 giao d\u1ecbch theo \u0111\u1ed9 nhi\u1ec5u th\u01b0\u1eddng d\u1ef1a v\u00e0o tin t\u1ee9c v\u1ec1 xu h\u01b0\u1edbng t\u0103ng ho\u1eb7c gi\u1ea3m gi\u00e1 truy\u1ec1n mi\u1ec7ng h\u01a1n l\u00e0\u00a0ph\u00e2n t\u00edch c\u01a1 b\u1ea3n\u00a0c\u1ee7a c\u00e1c c\u00f4ng ty.  \u00a0  \u00a0\u00a0<\/p>\n<h3><font style=\"line-height: 22px; font-size: 22px;\" color=\"#3d85c6\">Khung th\u1eddi gian v\u00e0 \u0110\u1ed9 nhi\u1ec5u\u00a0<\/font><\/h3>\n<p>Th\u00f4ng th\u01b0\u1eddng khung th\u1eddi gian c\u00e0ng ng\u1eafn th\u00ec c\u00e0ng kh\u00f3 ph\u00e2n t\u00e1ch c\u00e1c bi\u1ebfn \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng c\u00f3 \u00fd ngh\u0129a kh\u1ecfi <b>\u0111\u1ed9 nhi\u1ec5u<\/b>.\u00a0<\/p>\n<p>Gi\u00e1 c\u1ee7a ch\u1ee9ng kho\u00e1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 trong m\u1ed9t ng\u00e0y, nh\u01b0ng th\u1ef1c t\u1ebf r\u1ea5t \u00edt ho\u1eb7c h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng n\u00e0o th\u1ec3 hi\u1ec7n s\u1ef1 thay \u0111\u1ed5i c\u01a1 b\u1ea3n v\u1ec1\u00a0gi\u00e1 tr\u1ecb ch\u1ee9ng kho\u00e1n.\u00a0 <\/p>\n<p>Nh\u00e0 giao d\u1ecbch trong ng\u00e0y giao d\u1ecbch theo c\u00e1c chuy\u1ec3n \u0111\u1ed9ng ng\u1eafn h\u1ea1n c\u1ee7a gi\u00e1 ch\u1ee9ng kho\u00e1n, h\u1ecd nh\u1eadp ho\u1eb7c tho\u00e1t kh\u1ecfi m\u1ed9t\u00a0v\u1ecb th\u1ebf\u00a0ch\u1ec9 trong v\u00f2ng v\u00e0i ph\u00fat ho\u1eb7c v\u00e0i gi\u1edd.\u00a0<\/p>\n<p>Nhi\u1ec1u nh\u00e0 giao d\u1ecbch theo \u0111\u1ed9 nhi\u1ec5u th\u01b0\u1eddng c\u1ed1 g\u1eafng t\u1eadn d\u1ee5ng \u0111\u1ed9 nhi\u1ec5u th\u1ecb tr\u01b0\u1eddng b\u1eb1ng c\u00e1ch tham gia c\u00e1c giao d\u1ecbch mua v\u00e0 b\u00e1n m\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c d\u1eef li\u1ec7u ph\u00e2n t\u00edch c\u01a1 b\u1ea3n.  \u00a0<\/p>\n<p>V\u1edbi khung th\u1eddi gian d\u00e0i h\u01a1n, nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 n\u1eafm b\u1eaft m\u1ed9t b\u1ee9c tranh r\u00f5 r\u00e0ng h\u01a1n v\u1ec1 xu h\u01b0\u1edbng gi\u00e1 c\u1ed5 phi\u1ebfu.   \u00a0\u00a0<\/p>\n<h3><font style=\"line-height: 22px; font-size: 22px;\" color=\"#3d85c6\">Nguy\u00ean nh\u00e2n g\u00e2y ra \u0110\u1ed9 nhi\u1ec5u<\/font><\/h3>\n<p>Nh\u1eefng bi\u1ebfn \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng x\u1ea3y ra th\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng t\u1ea1o th\u00e0nh c\u00e1c <b>\u0111\u1ed9 nhi\u1ec5u<\/b>. Nh\u1eefng th\u00f4ng tin bi\u1ebfn \u0111\u1ed9ng trong ng\u00e0y th\u01b0\u1eddng g\u00e2y ra c\u00e1c bi\u1ebfn \u0111\u1ed9ng gi\u00e1 ng\u1eafn h\u1ea1n.\u00a0 \u00a0 \u00a0<\/p>\n<p><i>C\u00e1c bi\u1ebfn \u0111\u1ed9ng ng\u1eafn h\u1ea1n, hay bi\u1ebfn \u0111\u1ed9ng gi\u00e1 ng\u1eafn h\u1ea1n, c\u00f3 th\u1ec3 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a giao d\u1ecbch t\u1ef1 \u0111\u1ed9ng, hay c\u00e1c l\u1ec7nh \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh s\u1eb5n \u0111\u1ec3 th\u1ef1c hi\u1ec7n giao d\u1ecbch khi gi\u00e1 \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t m\u1ee9c nh\u1ea5t \u0111\u1ecbnh.\u00a0<\/i><\/p>\n<p>Nh\u00e0 giao d\u1ecbch c\u0169ng n\u00ean \u0111\u1ec1 ph\u00f2ng c\u00e1c\u00a0bong b\u00f3ng\u00a0gi\u00e1 gi\u1ea3, th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n khi nhi\u1ec1u nh\u00e0 giao d\u1ecbch \u0111\u1ed5 x\u00f4 mua v\u00e0o c\u1ed5 phi\u1ebfu m\u1ed9t c\u00f4ng ty ho\u1eb7c ng\u00e0nh c\u00f4ng nghi\u1ec7p.\u00a0<\/p>\n<p>\u0110\u1ed9 nhi\u1ec5u th\u1ecb tr\u01b0\u1eddng c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 ho\u1eb7c c\u00e1c chuy\u1ec3n \u0111\u1ed9ng \u0111\u1ea3o chi\u1ec1u gi\u00e1 l\u1edbn h\u01a1n 10% gi\u00e1 tr\u1ecb th\u1eadt c\u1ee7a ch\u1ee9ng kho\u00e1n.\u00a0<\/p>\n<p><i>Nh\u1eefng l\u1ea7n \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 n\u00e0y x\u00e1c \u0111\u1ecbnh l\u1ea1i gi\u00e1 ch\u1ee9ng kho\u00e1n khi n\u00f3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao qu\u00e1 m\u1ee9c. <\/i><\/p>\n<p>(Theo Investopedia)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"vnbcbc-sapo\" data-role=\"sapo\">\n                            \u0110\u1ed9 nhi\u1ec5u (ti\u1ebfng Anh: Noise) l\u00e0 c\u00e1c th\u00f4ng tin ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng g\u00e2y nh\u1ea7m l\u1eabn ho\u1eb7c gi\u1ea3i th\u00edch sai c\u00e1c xu h\u01b0\u1edbng c\u01a1 b\u1ea3n th\u1ef1c s\u1ef1.\n                        <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[417],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/30162"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=30162"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/30162\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=30162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=30162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=30162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}