{"id":1131,"date":"2025-10-14T11:12:02","date_gmt":"2025-10-14T11:12:02","guid":{"rendered":"https:\/\/blog.ngocha.biz\/?p=1131"},"modified":"2026-05-27T18:22:46","modified_gmt":"2026-05-27T18:22:46","slug":"duong-macd","status":"publish","type":"post","link":"https:\/\/blog.ngocha.biz\/?p=1131","title":{"rendered":"\u0110\u01b0\u1eddng MACD"},"content":{"rendered":"

MACD ( Moving Average Convergence Divergence) l\u00e0 ch\u1ec9 b\u00e1o k\u1ebft h\u1ee3p gi\u1eefa xu h\u01b0\u1edbng v\u00e0 dao \u0111\u1ed9ng. Ch\u1ec9 b\u00e1o xu h\u01b0\u1edbng nh\u1eb1m x\u00e1c \u0111\u1ecbnh h\u01b0\u1edbng \u0111i v\u00e0 \u0111\u1ed9 m\u1ea1nh c\u1ee7a xu h\u01b0\u1edbng \u0111\u00f3 (RSI, Stochastic, CCI,,), . Ch\u1ec9 b\u00e1o dao \u0111\u1ed9ng nh\u1eb1m x\u00e1c \u0111\u1ecbnh \u0111\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a gi\u00e1 trong \u0111\u00f3 c\u00f3 m\u1ed9t \u0111\u01b0\u1eddng trung t\u00e2m v\u00e0 \u0111\u01b0\u1eddng qu\u00e1 mua \u1edf tr\u00ean c\u00f9ng \u0111\u01b0\u1eddng qu\u00e1 b\u00e1n \u1edf d\u01b0\u1edbi (SMA,EMA, ADX.. .<\/p>\n

\u0110\u1ea7u ti\u00ean h\u00e3y nh\u00ecn m\u1ed9t s\u1ed1 bi\u1ec3u \u0111\u1ed5 v\u1edbi ch\u1ec9 c\u00f3 \u0111\u01b0\u1eddng MACD:<\/p>\n

POW:<\/p>\n

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GMD<\/p>\n

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Hai cp tr\u00ean t\u00f4i kh\u00f4ng s\u1edf h\u1eefu; t\u00f4i ch\u1ec9 l\u1ea5y ra l\u00e0m v\u00ed d\u1ee5. Ch\u00fang ta th\u1ea5y \u0111\u01b0\u1eddng MACD m\u00e0u xanh b\u00e1m r\u1ea5t s\u00e1t so v\u1edbi \u0111\u01b0\u1eddng gi\u00e1. D\u1ec5 d\u00e0ng nh\u1eadn th\u1ea5y khi \u0111\u01b0\u1eddng MACD \u0111\u1ea3o chi\u1ec1u t\u1eeb t\u0103ng th\u00e0nh gi\u1ea3m th\u00ec gi\u00e1 c\u0169ng nh\u01b0 v\u1eady (v\u00e0 ng\u01b0\u1ee3c l\u1ea1i). Trong qu\u00e1 tr\u00ecnh gi\u1ea3m m\u1ed9t v\u00e0i c\u00fa h\u1ed3i nh\u00ecn kh\u00e1 \u0111\u1eb9p c\u00f3 th\u1ec3 \u0111\u00e1nh l\u1eeba n\u0111t nh\u01b0ng MACD v\u1eabn d\u1ed1c xu\u1ed1ng. MACD r\u1ea5t m\u1ecbn trong khi \u0111\u01b0\u1eddng gi\u00e1 th\u00ec nh\u1ea5p nh\u00f4.<\/p>\n

C\u00e1ch t\u00ednh MACD:<\/strong><\/p>\n

MACD = EMA ng\u1eafn – EMA d\u00e0i. Gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh l\u00e0 12,26 => MACD = EMA12 – EMA26<\/p>\n

EMA l\u00e0 \u0111\u01b0\u1eddng trung b\u00ecnh m\u0169. Trung b\u00ecnh m\u0169 kh\u00e1c v\u1edbi trung b\u00ecnh \u0111\u01a1n gi\u1ea3n SMA \u1edf ch\u1ed7 n\u00f3 \u0111\u1eb7t tr\u1ecdng s\u1ed1 c\u00e1c ng\u00e0y \u1edf g\u1ea7n hi\u1ec7n t\u1ea1i h\u01a1n c\u00e1c ng\u00e0y \u1edf xa v\u00ec gi\u00e1 c\u00e1c ng\u00e0y hi\u1ec7n t\u1ea1i quan tr\u1ecdng h\u01a1n c\u00e1c ng\u00e0y \u1edf xa.<\/p>\n

\u0110\u01b0\u1eddng t\u00edn hi\u1ec7u = EMA9 c\u1ee7a MACD ( l\u00e0 \u0111\u01b0\u1eddng m\u00e0u \u0111\u1ecf trong h\u00ecnh)<\/p>\n

Histogram = MACD – T\u00edn hi\u1ec7u<\/p>\n

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H\u00ecnh b\u00ean l\u00e0 \u0111\u1ed3 th\u1ecb c\u1ee7a HPG. EMA12 l\u00e0 \u0111\u01b0\u1eddng m\u00e0u \u0111\u1ecf v\u00e0 EMA26 l\u00e0 \u0111\u01b0\u1eddng m\u00e0u xanh. V\u00ec MACD l\u00e0 hi\u1ec7u c\u1ee7a hai \u0111\u01b0\u1eddng n\u00e0y n\u00ean khi EMA12 v\u00e0 EMA26 ti\u1ebfn s\u00e1t l\u1ea1i g\u1ea7n nhau (h\u1ed9i t\u1ee5) th\u00ec MACD gi\u1ea3m, khi n\u00f3 n\u1edbi r\u1ed9ng ra (ph\u00e2n k\u1ef3) th\u00ec MACD t\u0103ng.<\/p>\n

Nh\u1eefng \u0111i\u1ec3m \u0111\u1ea3o chi\u1ec1u nh\u01b0 A v\u00e0 B n\u1ebfu ch\u1ec9 nh\u00ecn hai \u0111\u01b0\u1eddng EMA th\u00ec th\u1ea5y kh\u00f4ng c\u00f3 g\u00ec r\u00f5 r\u00e0ng nh\u01b0ng nh\u00ecn MACD th\u00ec th\u1ea5y r\u1ea5t r\u00f5 s\u1ef1 \u0111\u1ea3o chi\u1ec1u. B\u1ea3n ch\u1ea5t \u1edf \u0111\u00e2y MACD gi\u00fap ta \u0111\u1ee1 ph\u1ea3i nh\u1ea9m trong \u0111\u1ea7u r\u1eb1ng EMA ng\u1eafn ng\u00e0y \u0111ang ti\u1ebfn l\u1ea1i g\u1ea7n EMA d\u00e0i ng\u00e0y ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n

Khi n\u00f3i v\u1ec1 c\u00e1c \u0111\u01b0\u1eddng MA, c\u00f3 m\u1ed9t kh\u00e1i ni\u1ec7m c\u1ef1c k\u1ef3 quan tr\u1ecdng l\u00e0 giao c\u1eaft c\u00e1c \u0111\u01b0\u1eddng MA. Khi MA ng\u1eafn ng\u00e0y c\u1eaft xu\u1ed1ng MA d\u00e0i ng\u00e0y l\u00e0 d\u1ea5u hi\u1ec7u \u0111\u1ea3o chi\u1ec1u gi\u1ea3m trong khi c\u1eaft l\u00ean l\u00e0 \u0111\u1ea3o chi\u1ec1u t\u0103ng. MACD b\u1ea3n ch\u1ea5t l\u00e0 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c \u0111i\u1ec3m giao c\u1eaft n\u00e0y \u0111\u1ec3 ta h\u00e0nh \u0111\u1ed9ng tr\u01b0\u1edbc. Khi MA ng\u1eafn c\u1eaft xu\u1ed1ng MA d\u00e0i th\u00ec tr\u01b0\u1edbc \u0111\u00f3 gi\u00e1 \u0111\u00e3 gi\u1ea3m nhi\u1ec1u r\u1ed3i v\u00e0 khi th\u1ef1c s\u1ef1 c\u1eaft n\u00f3 k\u00edch ho\u1ea1t th\u00eam m\u1ed9t \u0111\u1ee3t gi\u1ea3m n\u1eefa. <\/p>\n

C\u00e1c nguy\u00ean t\u1eafc:<\/strong><\/p>\n

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  • N\u1ebfu MACD \u0111ang t\u0103ng c\u00f3 ngh\u0129 l\u00e0 gi\u00e1 \u0111ang trong xu h\u01b0\u1edbng t\u0103ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n
  • N\u1ebfu gi\u00e1 \u0111ang trong xu h\u01b0\u1edbng t\u0103ng m\u00e0 MACD \u0111\u00e3 b\u1eaft \u0111\u1ea7u gi\u1ea3m th\u00ec gi\u00e1 \u0111\u00e3 m\u1ea5t \u0111\u00e0 v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n
  • MACD t\u1ea1o \u0111\u1ec9nh: Trong m\u1ed9t xu h\u01b0\u1edbng t\u0103ng, MACD ch\u1ea1m tr\u1ea7n v\u00e0 t\u1ea1o \u0111i\u1ec3m u\u1ed1n khi gi\u00e1 b\u1eaft \u0111\u1ea7u suy y\u1ebfu \u0111f \u0111i l\u00ean c\u1ee7a n\u00f3.<\/li>\n
  • MACD t\u1ea1o \u0111\u00e1y: Trong m\u1ed9t xu h\u01b0\u1edbng gi\u1ea3m, MACD ch\u1ea1m \u0111\u00e1y v\u00e0 t\u1ea1o \u0111i\u1ec3m u\u1ed1n khi gi\u00e1 b\u1eaft \u0111\u1ea7u suy y\u1ebfu \u0111\u00e0 \u0111i xu\u1ed1ng c\u1ee7a n\u00f3.<\/li>\n
  • \u0110\u01b0\u1eddng t\u00edn hi\u1ec7u (m\u00e0u \u0111\u1ecf trong h\u00ecnh) l\u00e0 EMA9 c\u1ee7a MACD n\u00ean n\u00f3 l\u00e0m m\u1ecbn MACD c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u01b0\u1eddng trung b\u00ecnh \u0111\u1ed9ng l\u00e0m m\u1ecbn \u0111\u01b0\u1eddng gi\u00e1. Giao c\u1eaft v\u00e0ng l\u00e0 khi MACD c\u1eaft l\u00ean \u0111\u01b0\u1eddng t\u00edn hi\u1ec7u t\u1eeb d\u01b0\u1edbi l\u00ean tr\u00ean. Giao c\u1eaft t\u1eed th\u1ea7n l\u00e0 MACD c\u1eaft \u0111\u01b0\u1eddng t\u00edn hi\u1ec7u t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi. Giao c\u1eaft v\u00e0ng x\u00e1c nh\u1eadn x\u00e1c nh\u1eadn xu h\u01b0\u1edbng t\u0103ng, l\u00e0 \u0111i\u1ec3m mua t\u1ed1t. Trong khi giao c\u1eaft t\u1eed th\u1ea7n x\u00e1c nh\u1eadn m\u1ed9t xu h\u01b0\u1edbng gi\u1ea3m l\u00e0 \u0111i\u1ec3m b\u00e1n.<\/li>\n
  • Histogram =MACD -t\u00edn hi\u1ec7u. Histogram s\u1ebd theo d\u00f5i m\u1ee9c \u0111\u1ed9 ch\u00eanh l\u1ec7ch c\u1ee7a MACD v\u00e0 \u0111\u01b0\u1eddng t\u00edn hi\u1ec7u. Khi MACD t\u0103ng ch\u1eadm l\u1ea1i th\u00ec MACD b\u1eaft \u0111\u1ea7u ti\u1ebfn g\u1ea7n l\u1ea1i \u0111\u01b0\u1eddng t\u00edn hi\u1ec7u. C\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 khi gi\u00e1 t\u0103ng ch\u1eadm l\u1ea1i th\u00ec n\u00f3 c\u0169ng s\u1ebd ti\u1ebfn g\u1ea7n l\u1ea1i v\u1edbi MA. MACD l\u00fac n\u00e0y v\u1eabn \u0111ang t\u0103ng nh\u01b0ng c\u1ed9t t\u01b0\u01a1ng \u1ee9ng tr\u00ean Histogram \u0111\u00e3 gi\u1ea3m; n\u00f3 b\u00e1o cho ta bi\u1ebft l\u00e0 hai \u0111\u01b0\u1eddng n\u00e0y \u0111ang ti\u1ebfn l\u1ea1i g\u1ea7n nhau. Histogram b\u00e1o tr\u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1 nh\u01b0 vi\u1ec7c MACD b\u00e1o tr\u01b0\u1edbc gi\u00e1 v\u1eady. Tr\u00ean v\u00ed d\u1ee5 c\u1ee7a HPG ta th\u1ea5y tr\u01b0\u1edbc khi giao c\u1eaft th\u00ec c\u1ed9t histogram th\u1ea5p d\u1ea7n.<\/li>\n
  • Khi MACD ch\u1ea1m v\u00e0o \u0111\u01b0\u1eddng n\u1eb1m ngang s\u1ed1 0 t\u1eeb tr\u00ean xu\u1ed1ng c\u00f3 ngh\u0129a l\u00e0 EMA12 \u0111\u00e3 c\u1eaft xu\u1ed1ng EMA26 (giao c\u1eaft t\u1eed th\u1ea7n) -> t\u00edn hi\u1ec7u b\u00e1n. Khi MACD ch\u1ea1m v\u00e0o \u0111\u01b0\u1eddng n\u1eb1m ngang s\u1ed1 0 t\u1eeb d\u01b0\u1edbi l\u00ean tr\u00ean l\u00e0 EMA12 \u0111\u00e3 c\u1eaft l\u00ean EMA26 t\u1ea1o th\u00e0nh giao c\u1eaft v\u00e0ng -> t\u00edn hi\u1ec7u mua. Khi MACD ch\u1ea1m v\u00e0o \u0111\u01b0\u1eddng s\u1ed1 0 r\u1ed3i b\u1eadt l\u00ean c\u00f3 ngh\u0129a l\u00e0 EMA12 khi ch\u1ea1m EMA26 \u0111\u00e3 b\u1eadt l\u00ean thay v\u00ec c\u1eaft xu\u1ed1ng. C\u00e1i n\u00e0y d\u1ec5 nh\u1edb v\u00ec MACD l\u00e0 hi\u1ec7u c\u1ee7a EMA12 v\u00e0 EMA26 m\u00e0.<\/li>\n
  • Histogram b\u1eb1ng kh\u00f4ng khi MACD giao v\u1edbi \u0111\u01b0\u1eddng t\u00edn hi\u1ec7u (l\u00e0 EMA9 c\u1ee7a MACD). C\u1ed9t Histogram b\u1eb1ng 0 khi n\u00f3 t\u1eeb d\u01b0\u1edbi \u0111i l\u00ean th\u00ec l\u00e0 t\u00edn hi\u1ec7u mua v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<\/ul>\n

    Th\u1ee9 t\u1ef1 xu\u1ea5t hi\u1ec7n t\u00edn hi\u1ec7u mua b\u00e1n<\/mark><\/strong><\/p>\n

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    Ph\u00eda tr\u00ean l\u00e0 \u0111\u1ed3 th\u1ecb c\u1ee7a GVR.<\/strong><\/p>\n