{"id":30142,"date":"2023-12-07T08:59:46","date_gmt":"2023-12-07T08:59:46","guid":{"rendered":"https:\/\/masterskills.org\/blog\/loai-tru-xu-the-detrend-la-gi-cac-hinh-thuc-loai-tru-xu-the.html"},"modified":"2023-12-23T06:12:01","modified_gmt":"2023-12-22T23:12:01","slug":"loai-tru-xu-the-detrend-la-gi-cac-hinh-thuc-loai-tru-xu-the","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/loai-tru-xu-the-detrend-la-gi-cac-hinh-thuc-loai-tru-xu-the.html","title":{"rendered":"Lo\u1ea1i tr\u1eeb xu th\u1ebf (Detrend) l\u00e0 g\u00ec? C\u00e1c h\u00ecnh th\u1ee9c Lo\u1ea1i tr\u1eeb xu th\u1ebf"},"content":{"rendered":"
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Hi\u0300nh minh ho\u0323a. Ngu\u00f4\u0300n: Investopedia<\/p>\n<\/figcaption><\/figure>\n

Lo\u1ea1i tr\u1eeb xu th\u1ebf<\/font><\/h2>\n

Kha\u0301i ni\u00ea\u0323m<\/b><\/p>\n

Lo\u1ea1i tr\u1eeb xu th\u1ebf<\/b> trong ti\u00ea\u0301ng Anh la\u0300 Detrend<\/b>.<\/p>\n

Lo\u1ea1i tr\u1eeb xu th\u1ebf<\/b> l\u00e0 vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a xu h\u01b0\u1edbng t\u00edch l\u0169y trong c\u00e1c\u00a0t\u1eadp d\u1eef li\u1ec7u, nh\u1eb1m ch\u1ec9 hi\u1ec3n th\u1ecb c\u00e1c thay \u0111\u1ed5i tuy\u1ec7t \u0111\u1ed1i trong c\u00e1c gi\u00e1 tr\u1ecb v\u00e0 cho ph\u00e9p x\u00e1c \u0111\u1ecbnh c\u00e1c m\u00f4 h\u00ecnh gi\u00e1 theo chu k\u00ec ti\u1ec1m n\u0103ng.\u00a0<\/p>\n

Lo\u1ea1i tr\u1eeb xu th\u1ebf \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u00e2n t\u00edch h\u1ed3i qui v\u00e0 c\u00e1c k\u0129 thu\u1eadt\u00a0th\u1ed1ng k\u00ea\u00a0kh\u00e1c. Lo\u1ea1i tr\u1eeb xu th\u1ebf gi\u00fap v\u1ebd m\u1ed9t b\u1ee9c tranh r\u00f5 r\u00e0ng h\u01a1n v\u1ec1 m\u00f4 h\u00ecnh gi\u00e1 m\u00e0 nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111ang c\u1ed1 g\u1eafng x\u00e1c \u0111\u1ecbnh.\u00a0<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m Lo\u1ea1i tr\u1eeb xu th\u1ebf\u00a0<\/font><\/h3>\n

Khi m\u1ed9t nh\u00e0 nghi\u00ean c\u1ee9u lo\u1ea1i tr\u1eeb xu th\u1ebf<\/b> c\u1ee7a m\u1ed9t t\u1eadp d\u1eef li\u1ec7u, h\u1ecd th\u01b0\u1eddng l\u00e0m nh\u01b0 v\u1eady \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c y\u1ebfu t\u1ed1 g\u00e2y bi\u1ebfn d\u1ea1ng trong k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch cu\u1ed1i c\u00f9ng. \u00a0 \u00a0 \u00a0<\/p>\n

Lo\u1ea1i tr\u1eeb xu th\u1ebf kh\u1ecfi t\u1eadp d\u1eef li\u1ec7u cho ph\u00e9p ng\u01b0\u1eddi quan s\u00e1t t\u1eadp trung v\u00e0o c\u00e1c bi\u1ebfn \u0111\u1ed9ng v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng th\u1ef1c s\u1ef1.\u00a0<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong l\u0129nh v\u1ef1c\u00a0b\u00e1n h\u00e0ng\u00a0v\u00e0\u00a0ti\u1ebfp th\u1ecb.\u00a0<\/p>\n

C\u00e1c h\u00ecnh th\u1ee9c Lo\u1ea1i tr\u1eeb xu th\u1ebf\u00a0<\/font><\/h3>\n

C\u00e1c n\u1ec1n t\u1ea3ng bi\u1ec3u \u0111\u1ed3 gi\u00e1 kh\u00e1c nhau cung c\u1ea5p c\u00e1c b\u1ed9 dao \u0111\u1ed9ng lo\u1ea1i tr\u1eeb xu th\u1ebf<\/b> kh\u00e1c nhau, cho ph\u00e9p c\u00e1c nh\u00e0 giao d\u1ecbch ph\u00e2n t\u00edch c\u00e1c m\u00f4 h\u00ecnh gi\u00e1 chu k\u00ec trong\u00a0ng\u1eafn h\u1ea1n.\u00a0<\/p>\n

Nh\u1eefng m\u00f4 h\u00ecnh n\u00e0y sau \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 h\u01a1n c\u00e1c b\u01b0\u1edbc ngo\u1eb7t l\u1edbn trong c\u00e1c chu k\u00ec d\u00e0i h\u1ea1n h\u01a1n. \u00a0 \u00a0\u00a0<\/i><\/p>\n

C\u00f3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i tr\u1eeb xu th\u1ebf, nh\u01b0ng ph\u1ea7n l\u1edbn trong s\u1ed1 ch\u00fang kh\u00e1 ph\u1ee9c t\u1ea1p v\u00e0 kh\u00f3 s\u1eed d\u1ee5ng h\u01a1n nhi\u1ec1u.\u00a0<\/p>\n

M\u1ed9t v\u00e0i trong s\u1ed1 c\u00e1c quy\u1ec1n ch\u1ecdn thay th\u1ebf l\u00e0 s\u1eed d\u1ee5ng b\u1ed9 l\u1ecdc Baxter-King (ch\u1ec9 s\u1eed d\u1ee5ng cho c\u00e1c\u00a0\u0111\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t) v\u00e0\u00a0b\u1ed9 l\u1ecdc Hodrick-Prescott\u00a0(ch\u1ec9 cho c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 t\u00ednh chu k\u00ec c\u1ee7a m\u1ed9t chu\u1ed7i th\u1eddi gian c\u1ee5 th\u1ec3). \u00a0\u00a0<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p lo\u1ea1i tr\u1eeb xu th\u1ebf n\u00e0o l\u00e0 t\u1ed1t nh\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 ri\u00eang l\u1ebb, bao g\u1ed3m l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 li\u1ec7u d\u1eef li\u1ec7u c\u00f3 t\u01b0\u01a1ng quan tuy\u1ebfn t\u00ednh hay kh\u00f4ng.\u00a0<\/p>\n

C\u00f3 th\u1ec3 lo\u1ea1i tr\u1eeb xu th\u1ebf m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 th\u00f4ng qua c\u00e1c g\u00f3i ph\u1ea7n m\u1ec1m th\u1ed1ng k\u00ea c\u00f3 s\u1eb5n, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t r\u1ed9ng r\u00e3i hi\u1ec7n nay. \u00a0\u00a0<\/i><\/p>\n

Y\u00eau c\u1ea7u c\u1ee7a Lo\u1ea1i tr\u1eeb xu th\u1ebf<\/font><\/h3>\n

Tr\u01b0\u1edbc khi lo\u1ea1i tr\u1eeb xu th\u1ebf<\/b>, xu th\u1ebf c\u1ee5 th\u1ec3 c\u1ee7a d\u1eef li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u0111\u1ec3 ch\u1ecdn l\u1ef1a ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t \u0111\u1ec3 s\u1eed d\u1ee5ng.\u00a0<\/p>\n

M\u1eb7c d\u00f9 c\u00f3 nhi\u1ec1u lo\u1ea1i xu h\u01b0\u1edbng kh\u00e1c nhau, ch\u00fang th\u01b0\u1eddng ch\u1ec9 xu\u1ea5t hi\u1ec7n trong hai d\u1ea1ng l\u00e0 xu th\u1ebf x\u00e1c \u0111\u1ecbnh v\u00e0 xu th\u1ebf ng\u1eabu nhi\u00ean. \u00a0\u00a0<\/i><\/p>\n

C\u00e1c xu th\u1ebf x\u00e1c \u0111\u1ecbnh s\u1ebd li\u00ean t\u1ee5c gi\u1ea3m ho\u1eb7c t\u0103ng, v\u00e0 c\u00e1c xu th\u1ebf ng\u1eabu nhi\u00ean c\u00f3 \u0111\u1eb7c th\u00f9 gi\u1ea3m\/ t\u0103ng kh\u00f4ng nh\u1ea5t qu\u00e1n.\u00a0<\/p>\n

Xu th\u1ebf x\u00e1c \u0111\u1ecbnh th\u01b0\u1eddng d\u1ec5 x\u00e1c \u0111\u1ecbnh v\u00e0 lo\u1ea1i tr\u1eeb xu th\u1ebf h\u01a1n v\u00ec ch\u00fang d\u1ec5 d\u1ef1 \u0111o\u00e1n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n m\u1ed9t ch\u00fat.\u00a0<\/p>\n

D\u00f9 v\u1eady v\u1eabn c\u00f3 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 h\u1eefu d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c xu th\u1ebf ng\u1eabu nhi\u00ean.\u00a0 \u00a0<\/p>\n

\u00a0(Theo Investopedia)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Lo\u1ea1i tr\u1eeb xu th\u1ebf (ti\u1ebfng Anh: Detrend) l\u00e0 vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a xu h\u01b0\u1edbng t\u00edch l\u0169y trong c\u00e1c t\u1eadp d\u1eef li\u1ec7u, nh\u1eb1m ch\u1ec9 hi\u1ec3n th\u1ecb c\u00e1c thay \u0111\u1ed5i tuy\u1ec7t \u0111\u1ed1i trong c\u00e1c gi\u00e1 tr\u1ecb v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u00f4 h\u00ecnh gi\u00e1 theo chu k\u00ec ti\u1ec1m n\u0103ng.\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\/30142"}],"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=30142"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/30142\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=30142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=30142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=30142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}