{"id":31511,"date":"2023-12-07T10:41:47","date_gmt":"2023-12-07T10:41:47","guid":{"rendered":"https:\/\/masterskills.org\/blog\/duong-trung-binh-truot-ma-moving-average-la-gi.html"},"modified":"2023-12-23T08:17:43","modified_gmt":"2023-12-23T01:17:43","slug":"duong-trung-binh-truot-ma-moving-average-la-gi","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/duong-trung-binh-truot-ma-moving-average-la-gi.html","title":{"rendered":"\u0110\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t MA (Moving Average) l\u00e0 g\u00ec?"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda<\/p>\n<\/div>\n<\/div>\n

\u0110\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t MA (Moving Average)<\/font><\/h2>\n

\u0110\u1ecbnh ngh\u0129a<\/b><\/p>\n

\u0110\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t <\/b>trong ti\u1ebfng Anh l\u00e0 Moving Average<\/b>, vi\u1ebft t\u1eaft l\u00e0 MA<\/b>.<\/p>\n

\u0110\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t MA <\/i>l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ph\u00e2n t\u00edch k\u0129 thu\u1eadt gi\u00fap l\u00e0m gi\u1ea3m b\u1edbt h\u00e0nh \u0111\u1ed9ng gi\u00e1 b\u1eb1ng c\u00e1ch l\u1ecdc “ti\u1ebfng \u1ed3n” ra kh\u1ecfi c\u00e1c bi\u1ebfn \u0111\u1ed9ng gi\u00e1 ng\u1eafn h\u1ea1n ng\u1eabu nhi\u00ean. \u0110\u00e2y l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o theo xu h\u01b0\u1edbng ho\u1eb7c l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o sau\u00a0b\u1edfi v\u00ec n\u00f3 d\u1ef1a tr\u00ean gi\u00e1 c\u1ea3 trong qu\u00e1 kh\u1ee9.<\/p>\n

\u0110\u1eb7c tr\u01b0ng v\u00e0 \u00fd ngh\u0129a<\/font><\/h3>\n

– Trung b\u00ecnh tr\u01b0\u1ee3t<\/b> l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 l\u00e2u \u0111\u1eddi c\u1ee7a ph\u00e2n t\u00edch k\u0129 thu\u1eadt. Bi\u1ebfn \u0111\u1ed9ng gi\u00e1 h\u00e0ng ng\u00e0y c\u1ee7a c\u1ed5 phi\u1ebfu, h\u00e0ng h\u00f3a hay ngo\u1ea1i t\u1ec7 c\u00f3 th\u1ec3 l\u00e0 r\u1ea5t l\u1edbn.<\/p>\n

– Gi\u00e1 tr\u1ecb trung b\u00ecnh tr\u01b0\u1ee3t<\/i> s\u1ebd gi\u1ea3m thi\u1ec3u nh\u1eefng bi\u1ebfn \u0111\u1ed9ng l\u1edbn \u0111\u00f3, nh\u01b0ng \u0111\u00f4i khi l\u1ea1i b\u00f3p m\u00e9o b\u1ea3n ch\u1ea5t c\u1ee7a bi\u1ebfn \u0111\u1ed9ng. Tuy nhi\u00ean, \u0111\u00e2y c\u0169ng l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu d\u1ee5ng trong vi\u1ec7c l\u00e0m m\u01b0\u1ee3t s\u1ed1 li\u1ec7u \u0111\u1ea7u v\u00e0o v\u00e0 khi\u1ebfn cho vi\u1ec7c quan s\u00e1t v\u00e0 ph\u00e1t hi\u1ec7n ra xu h\u01b0\u1edbng m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n

– M\u1ee5c \u0111\u00edch c\u1ee7a gi\u00e1 tr\u1ecb trung b\u00ecnh tr\u01b0\u1ee3t l\u00e0 \u0111\u1ec3 l\u00e0m tr\u01a1n nh\u1eefng bi\u1ebfn \u0111\u1ed9ng gi\u00e1 l\u1edbn trong ng\u1eafn h\u1ea1n \u0111\u1ec3 t\u1eadp trung v\u00e0o ph\u00e1t hi\u1ec7n xu h\u01b0\u1edbng gi\u00e1 trong kho\u1ea3ng th\u1eddi gian \u0111\u1ea7u t\u01b0. B\u1ea3n ch\u1ea5t c\u1ee7a gi\u00e1 tr\u1ecb trung b\u00ecnh tr\u01b0\u1ee3t ch\u00ednh l\u00e0 nh\u1eefng gi\u00e1 tr\u1ecb \u0111\u1ea1i di\u1ec7n cho m\u1ed9t lo\u1ea1t nh\u1eefng gi\u00e1 tr\u1ecb trong qu\u00e1 kh\u1ee9.<\/p>\n

V\u00ed d\u1ee5<\/font><\/h3>\n

Gi\u00e1 tr\u1ecb trung b\u00ecnh tr\u01b0\u1ee3t trong 20 ng\u00e0y l\u00e0 gi\u00e1 tr\u1ecb \u0111\u1ea1i di\u1ec7n cho t\u1ea5t c\u1ea3 c\u00e1c gi\u00e1 trong v\u00f2ng 20 ng\u00e0y tr\u01b0\u1edbc.<\/p>\n

\u0110\u01b0\u1eddng MA (20) cho bi\u1ebft gi\u00e1 ch\u1ee9ng kho\u00e1n \u0111\u00e3 bi\u1ebfn \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong to\u00e0n b\u1ed9 20 ng\u00e0y ch\u1ee9 kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf bi\u1ebfn \u0111\u1ed9ng gi\u00e1 c\u1ee7a m\u1ed9t ng\u00e0y ri\u00eang l\u1ebb.<\/p>\n

\u0110\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ed9c l\u1eadp ho\u1eb7c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c nh\u01b0ng vi\u1ec7c k\u1ebft h\u1ee3p s\u1eed d\u1ee5ng s\u1ebd \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 cao h\u01a1n.<\/p>\n

Ph\u00e2n lo\u1ea1i<\/font><\/h3>\n

C\u00f3 4 lo\u1ea1i \u0111\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t:<\/p>\n

–\u00a0\u0110\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t gi\u1ea3n \u0111\u01a1n<\/i>\u00a0(SMA –\u00a0 Simple moving average) \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch t\u00ednh t\u1ed5ng gi\u00e1 trong m\u1ed9t kho\u1ea3ng th\u1eddi gian v\u00e0 chia cho s\u1ed1 quan s\u00e1t trong kho\u1ea3ng th\u1eddi gian \u0111\u00f3.<\/p>\n

–\u00a0\u0110\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t tuy\u1ebfn t\u00ednh c\u00f3 tr\u1ecdng s\u1ed1\u00a0<\/i>(LWMA – Linearly Weighted Moving Average) l\u00e0 m\u1ed9t\u00a0ph\u00e9p t\u00ednh\u00a0trung b\u00ecnh tr\u01b0\u1ee3t c\u00f3 tr\u1ecdng s\u1ed1 l\u1edbn h\u01a1n \u0111\u1ed1i v\u1edbi d\u1eef li\u1ec7u gi\u00e1 g\u1ea7n \u0111\u00e2y.\u00a0Gi\u00e1 g\u1ea7n \u0111\u00e2y nh\u1ea5t c\u00f3 tr\u1ecdng s\u1ed1 l\u1edbn nh\u1ea5t v\u00e0 m\u1ed7i m\u1ee9c gi\u00e1 tr\u01b0\u1edbc \u0111\u00f3 d\u1ea7n d\u1ea7n c\u00f3 tr\u1ecdng s\u1ed1 nh\u1ecf h\u01a1n.<\/p>\n

–\u00a0<\/i>\u0110\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t s\u1ed1 m\u0169<\/i>\u00a0(EMA –\u00a0\u00a0Exponential moving average) l\u00e0 trung b\u00ecnh tr\u01b0\u1ee3t c\u00f3 tr\u1ecdng s\u1ed1 (WMA) mang l\u1ea1i tr\u1ecdng s\u1ed1 ho\u1eb7c m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng h\u01a1n cho d\u1eef li\u1ec7u gi\u00e1 g\u1ea7n \u0111\u00e2y so v\u1edbi trung b\u00ecnh tr\u01b0\u1ee3t gi\u1ea3n \u0111\u01a1n (SMA).<\/p>\n

– \u0110\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t bi\u1ebfn \u0111\u1ed5i<\/i> (VMA)<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: Gi\u00e1o tr\u00ecnh ph\u00e2n t\u00edch \u0111\u1ea7u t\u01b0 ch\u1ee9ng kho\u00e1n, NXB \u0110\u1ea1i h\u1ecdc Kinh t\u1ebf Qu\u1ed1c d\u00e2n; Moving Average (MA) – Investopedia)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n \u0110\u01b0\u1eddng trung b\u00ecnh tr\u01b0\u1ee3t MA (ti\u1ebfng Anh: Moving Average) l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ph\u00e2n t\u00edch k\u0129 thu\u1eadt gi\u00fap l\u00e0m gi\u1ea3m b\u1edbt h\u00e0nh \u0111\u1ed9ng gi\u00e1 b\u1eb1ng c\u00e1ch l\u1ecdc “ti\u1ebfng \u1ed3n” ra kh\u1ecfi c\u00e1c bi\u1ebfn \u0111\u1ed9ng gi\u00e1 ng\u1eafn h\u1ea1n ng\u1eabu nhi\u00ean.\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\/31511"}],"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=31511"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/31511\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=31511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=31511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=31511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}