{"id":31623,"date":"2023-12-07T10:53:09","date_gmt":"2023-12-07T10:53:09","guid":{"rendered":"https:\/\/masterskills.org\/blog\/li-thuyet-dow-dow-theory-la-gi-cac-gia-dinh-cua-li-thuyet-dow.html"},"modified":"2023-12-23T09:38:38","modified_gmt":"2023-12-23T02:38:38","slug":"li-thuyet-dow-dow-theory-la-gi-cac-gia-dinh-cua-li-thuyet-dow","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/li-thuyet-dow-dow-theory-la-gi-cac-gia-dinh-cua-li-thuyet-dow.html","title":{"rendered":"L\u00ed thuy\u1ebft Dow (Dow theory) l\u00e0 g\u00ec? C\u00e1c gi\u1ea3 \u0111\u1ecbnh c\u1ee7a l\u00ed thuy\u1ebft Dow"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda (Ngu\u1ed3n: tradesmartonline)<\/p>\n<\/div>\n<\/div>\n

L\u00ed thuy\u1ebft Dow (Dow theory)<\/font><\/h2>\n

Kh\u00e1i ni\u1ec7m<\/b><\/p>\n

L\u00ed thuy\u1ebft Dow<\/b> trong ti\u1ebfng Anh g\u1ecdi l\u00e0: Dow theory<\/b>.
<\/b><\/p>\n

L\u00ed thuy\u1ebft Dow do Charter H.Dow th\u1ec3 hi\u1ec7n qua c\u00e1c b\u00e0i vi\u1ebft ph\u00e2n t\u00edch th\u1ecb tr\u01b0\u1eddng ch\u1ee9ng kho\u00e1n c\u1ee7a \u00f4ng v\u00e0 sau \u0111\u00f3 William P.Hamilton \u0111\u00e3 k\u1ebf th\u1eeba v\u00e0 t\u1ed5ng lu\u1eadn th\u00e0nh l\u00ed thuy\u1ebft.\u00a0<\/p>\n

Ba xu th\u1ebf c\u01a1 b\u1ea3n c\u1ee7a s\u1ef1 bi\u1ebfn \u0111\u1ed9ng gi\u00e1 ch\u1ee9ng kho\u00e1n<\/b><\/p>\n

L\u00ed thuy\u1ebft n\u00e0y cho r\u1eb1ng gi\u00e1 ch\u1ee9ng kho\u00e1n do h\u1ec7 cung c\u1ea7u tr\u00ean th\u1ecb tr\u01b0\u1eddng quy\u1ebft \u0111\u1ecbnh v\u00e0 ch\u1ec9 ra s\u1ef1 bi\u1ebfn \u0111\u1ed9ng gi\u00e1 ch\u1ee9ng kho\u00e1n c\u00f3 3 xu th\u1ebf c\u01a1 b\u1ea3n:<\/p>\n

– Xu th\u1ebf c\u1ea5p 1:\u00a0<\/b><\/p>\n

Xu h\u01b0\u1edbng bi\u1ebfn \u0111\u1ed9ng ch\u00ednh (k\u00e9o d\u00e0i t\u1eeb 1 n\u0103m \u0111\u1ebfn nhi\u1ec1u n\u0103m).\u00a0<\/p>\n

Xu h\u01b0\u1edbng t\u0103ng gi\u00e1 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1ecb tr\u01b0\u1eddng con b\u00f2 t\u00f3t, kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch t\u0103ng l\u00ean khi gi\u00e1 t\u0103ng v\u00e0 gi\u1ea3m khi gi\u00e1 gi\u1ea3m (c\u1ee9 sau m\u1ed7i \u0111\u1ee3t t\u0103ng gi\u00e1 bao gi\u1edd c\u0169ng c\u00f3 \u0111\u1ee3t \u0111\u1ea3o chi\u1ec1u ng\u1eafn h\u1ea1n tr\u01b0\u1edbc khi c\u00f3 m\u1ed9t giai \u0111o\u1ea1n t\u0103ng gi\u00e1 ti\u1ebfp theo).\u00a0<\/p>\n

Xu h\u01b0\u1edbng gi\u1ea3m gi\u00e1 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1ecb tr\u01b0\u1eddng con g\u1ea5u, kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch t\u0103ng l\u00ean khi gi\u00e1 gi\u1ea3m v\u00e0 giao d\u1ecbch b\u1ecb ng\u01b0ng tr\u1ec7 khi gi\u00e1 h\u1ed3i ph\u1ee5c.<\/p>\n

– Xu th\u1ebf c\u1ea5p 2:\u00a0<\/b><\/p>\n

Tr\u00ean di\u1ec5n bi\u1ebfn c\u1ee7a xu th\u1ebf c\u1ea5p 1 c\u00f3 c\u00e1c \u0111i\u1ec3m ng\u1eaft qu\u00e3ng \u0111\u00f3 l\u00e0 xu th\u1ebf c\u1ea5p 2. Xu th\u1ebf n\u00e0y c\u00f3 th\u1ec3 \u0111i ng\u01b0\u1ee3c chi\u1ec1u v\u1edbi xu th\u1ebf c\u1ea5p 1, nh\u01b0ng n\u00f3 l\u00e0 s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh c\u1ee7a xu th\u1ebf c\u1ea5p 1. Xu th\u1ebf n\u00e0y th\u01b0\u1eddng k\u00e9o d\u00e0i t\u1eeb 3 \u0111\u1ebfn 12 tu\u1ea7n.<\/p>\n

– Xu th\u1ebf c\u1ea5p 3:\u00a0<\/b><\/p>\n

Xu h\u01b0\u1edbng bi\u1ebfn \u0111\u1ed9ng ng\u1eafn h\u1ea1n (kho\u1ea3ng t\u1eeb v\u00e0i gi\u1edd \u0111\u1ebfn v\u00e0i ng\u00e0y).<\/p>\n

L\u00ed thuy\u1ebft Dow th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m k\u1ebft th\u00fac m\u1ed9t xu h\u01b0\u1edbng bi\u1ebfn \u0111\u1ed9ng c\u1ed5 phi\u1ebfu. Theo l\u00ed thuy\u1ebft Dow, xu h\u01b0\u1edbng bi\u1ebfn \u0111\u1ed9ng ch\u00ednh c\u1ee7a th\u1ecb tr\u01b0\u1eddng t\u0103ng gi\u00e1 l\u00e0 xu\u1ea5t hi\u1ec7n h\u00e0ng lo\u1ea1t c\u00e1c \u0111i\u1ec3m \u0111\u1ec9nh v\u00e0 c\u00e1c \u0111i\u1ec3m \u0111\u00e1y cao h\u01a1n.\u00a0<\/p>\n

Trong th\u1ecb tr\u01b0\u1eddng gi\u00e1 gi\u1ea3m, xu h\u01b0\u1edbng bi\u1ebfn \u0111\u1ed9ng ch\u00ednh l\u00e0 nh\u1eefng \u0111i\u1ec3m \u0111\u1ec9nh v\u00e0 nh\u1eefng \u0111i\u1ec3m \u0111\u00e1y th\u1ea5p h\u01a1n. Nh\u1eefng bi\u1ebfn \u0111\u1ed9ng h\u00e0ng ng\u00e0y \u0111\u01b0\u1ee3c coi l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3.<\/p>\n

C\u00e1c gi\u1ea3 \u0111\u1ecbnh c\u1ee7a l\u00ed thuy\u1ebft Dow<\/font><\/h3>\n

C\u00e1c gi\u1ea3 \u0111\u1ecbnh c\u1ee7a l\u00ed thuy\u1ebft Dow h\u1ed7 tr\u1ee3 cho c\u00e1c nh\u00e0 ph\u00e2n t\u00edch k\u0129 thu\u1eadt trong d\u1ef1 \u0111o\u00e1n xu th\u1ebf bi\u1ebfn \u0111\u1ed9ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng nh\u01b0 sau:<\/p>\n

Th\u1ecb gi\u00e1 c\u1ee7a b\u1ea5t c\u1ee9 h\u00e0ng ho\u00e1 hay d\u1ecbch v\u1ee5 n\u00e0o \u0111\u1ec1u ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi m\u1ed1i quan h\u1ec7 cung c\u1ea7u.<\/p>\n

Cung v\u00e0 c\u1ea7u \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi m\u1ed9t s\u1ed1 nh\u00e2n t\u1ed1, c\u1ea3 logic v\u00e0 phi logic. Nh\u1eefng nh\u00e2n t\u1ed1 n\u00e0y ngo\u00e0i c\u00e1c bi\u1ebfn s\u1ed1 kinh t\u1ebf trong ph\u00e2n t\u00edch c\u01a1 b\u1ea3n c\u00f2n bao h\u00e0m c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nh\u01b0 t\u00e2m l\u00ed v\u00e0 d\u1ef1 \u0111o\u00e1n c\u1ee7a nh\u00e0 \u0111\u1ea7u t\u01b0. Th\u1ecb tr\u01b0\u1eddng ch\u1ee9ng kho\u00e1n s\u1ebd ph\u1ea3n \u00e1nh c\u00e1c nh\u00e2n t\u1ed1 n\u00e0y m\u1ed9t c\u00e1ch \u0111\u1ea7u \u0111\u1ee7 v\u00e0 li\u00ean t\u1ee5c.<\/p>\n

Ngo\u1ea1i tr\u1eeb m\u1ed9t s\u1ed1 dao \u0111\u1ed9ng nh\u1ecf trong ng\u1eafn h\u1ea1n, gi\u00e1 c\u1ea3 c\u00e1c ch\u1ee9ng kho\u00e1n v\u00e0 th\u1ecb tr\u01b0\u1eddng n\u00f3i chung \u0111\u1ec1u c\u00f3 s\u1ef1 bi\u1ebfn \u0111\u1ed9ng theo c\u00e1c xu th\u1ebf, c\u00e1c xu th\u1ebf n\u00e0y di\u1ec5n ra trong c\u00e1c kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

C\u00e1c nguy\u00ean nh\u00e2n g\u00e2y ra c\u00e1c xu th\u1ebf tr\u1ed9i trong giao d\u1ecbch ch\u1ee9ng kho\u00e1n s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n nh\u1edd v\u00e0o ph\u1ea3n \u1ee9ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng.<\/p>\n

Tuy nhi\u00ean, c\u00e1c gi\u1ea3 \u0111\u1ecbnh tr\u00ean \u0111ang \u0111\u1eb7t ra nhi\u1ec1u v\u1ea5n \u0111\u1ec1 b\u00e0n c\u00e3i, c\u00e1c nh\u00e0 ph\u00e2n t\u00edch c\u01a1 b\u1ea3n v\u00e0 nh\u1eefng nh\u00e0 \u0111\u1ea7u t\u01b0 theo tr\u01b0\u1eddng ph\u00e1i l\u00ed thuy\u1ebft th\u1ecb tr\u01b0\u1eddng hi\u1ec7u qu\u1ea3 kh\u00f4ng \u0111\u1ed3ng \u00fd v\u1edbi c\u00e1c gi\u1ea3 \u0111\u1ecbnh tr\u00ean.<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: Gi\u00e1o tr\u00ecnh Th\u1ecb tr\u01b0\u1eddng Ch\u1ee9ng kho\u00e1n, , NXB T\u00e0i ch\u00ednh)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n L\u00ed thuy\u1ebft Dow (ti\u1ebfng Anh: Dow theory) th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 ph\u00e2n t\u00edch k\u0129 thu\u1eadt tu\u00e2n theo \u0111\u1ec3 gi\u1ea3i th\u00edch c\u00e1c xu h\u01b0\u1edbng bi\u1ebfn \u0111\u1ed9ng c\u1ee7a th\u1ecb tr\u01b0\u1eddng n\u00f3i chung v\u00e0 th\u1ecb tr\u01b0\u1eddng ch\u1ee9ng kho\u00e1n n\u00f3i ri\u00eang.\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\/31623"}],"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=31623"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/31623\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=31623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=31623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=31623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}