{"id":25533,"date":"2023-12-07T01:36:25","date_gmt":"2023-12-07T01:36:25","guid":{"rendered":"https:\/\/masterskills.org\/blog\/hien-tuong-bien-dong-bat-doi-xung-asymmetric-volatility-phenomenon-la-gi-noi-dung-lien-quan.html"},"modified":"2023-12-22T10:33:37","modified_gmt":"2023-12-22T03:33:37","slug":"hien-tuong-bien-dong-bat-doi-xung-asymmetric-volatility-phenomenon-la-gi-noi-dung-lien-quan","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/hien-tuong-bien-dong-bat-doi-xung-asymmetric-volatility-phenomenon-la-gi-noi-dung-lien-quan.html","title":{"rendered":"Hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng b\u1ea5t \u0111\u1ed1i x\u1ee9ng (Asymmetric Volatility Phenomenon) l\u00e0 g\u00ec? N\u1ed9i dung li\u00ean quan"},"content":{"rendered":"
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H\u00ecnh minh h\u1ecda (Ngu\u1ed3n: investopedia.com)<\/p>\n<\/div>\n<\/div>\n

Hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng b\u1ea5t \u0111\u1ed1i x\u1ee9ng (Asymmetric Volatility Phenomenon)<\/font><\/h2>\n

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

Hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng b\u1ea5t \u0111\u1ed1i\u00a0x\u1ee9ng<\/b> trong ti\u1ebfng Anh l\u00e0 Asymmetric Volatility Phenomenon<\/b>; vi\u1ebft t\u1eaft l\u00e0\u00a0AVP.<\/b><\/p>\n

Hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng b\u1ea5t \u0111\u1ed1i x\u1ee9ng <\/i>l\u00e0 xu h\u01b0\u1edbng quan s\u00e1t cho th\u1ea5y bi\u1ebfn \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng v\u1ed1n s\u1ebd cao h\u01a1n \u1edf c\u00e1c th\u1ecb tr\u01b0\u1eddng suy tho\u00e1i so v\u1edbi c\u00e1c th\u1ecb tr\u01b0\u1eddng t\u0103ng tr\u01b0\u1edfng.<\/p>\n

N\u1ed9i dung v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng b\u1ea5t \u0111\u1ed1i\u00a0x\u1ee9ng<\/font><\/h3>\n

Bi\u1ebfn \u0111\u1ed9ng b\u1ea5t \u0111\u1ed1i x\u1ee9ng l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng th\u1ef1c t\u1ebf: chi\u1ec1u h\u01b0\u1edbng l\u00ean gi\u00e1 c\u1ee7a th\u1ecb tr\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng t\u1eeb t\u1eeb c\u00f2n chi\u1ec1u h\u01b0\u1edbng gi\u1ea3m gi\u00e1 th\u00ec s\u1eafc n\u00e9t h\u01a1n, d\u1ed1c h\u01a1n v\u00e0 gi\u1ea3m nhi\u1ec1u h\u01a1n. Ph\u1ea1m vi gi\u00e1 c\u1ea3 h\u00e0ng ng\u00e0y c\u00f3 xu h\u01b0\u1edbng cao h\u01a1n \u1edf chi\u1ec1u h\u01b0\u1edbng gi\u1ea3m gi\u00e1 h\u01a1n l\u00e0 chi\u1ec1u h\u01b0\u1edbng l\u00ean gi\u00e1.<\/p>\n

Tuy nhi\u00ean, kh\u00f4ng c\u00f3 s\u1ef1 nh\u1ea5t tr\u00ed v\u1ec1 nguy\u00ean nh\u00e2n g\u00e2y ra vi\u1ec7c n\u00e0y. C\u00f3 m\u1ed9t l\u1eddi gi\u1ea3i th\u00edch l\u00e0 \u0111\u00f2n b\u1ea9y th\u01b0\u01a1ng m\u1ea1i d\u1eabn \u0111\u1ebfn c\u00e1c l\u1ec7nh g\u1ecdi k\u00ed qu\u0129 v\u00e0 b\u1eaft bu\u1ed9c b\u00e1n. C\u00e1c c\u00e1ch gi\u1ea3i th\u00edch kh\u00e1c \u0111\u1ebfn t\u1eeb l\u0129nh v\u1ef1c t\u00e0i ch\u00ednh h\u00e0nh vi, nh\u01b0 c\u00e1c v\u00f2ng ph\u1ea3n h\u1ed3i h\u00e0nh vi trong \u0111\u00f3 m\u1ed9t s\u1ed1 h\u00e0nh vi nh\u1ea5t \u0111\u1ecbnh k\u00edch \u0111\u1ed9ng nhi\u1ec1u h\u00e0nh vi t\u01b0\u01a1ng t\u1ef1 v\u00e0 b\u00e1n th\u00e1o \u1ed3 \u1ea1t.<\/p>\n

Theo l\u00ed\u00a0thuy\u1ebft tri\u1ec3n v\u1ecdng, m\u1ecdi ng\u01b0\u1eddi ph\u1ea3i ch\u1ecbu s\u1ef1 ng\u1ea1i m\u1ea5t m\u00e1t, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Kahneman v\u00e0 Tversky v\u00e0o n\u0103m 1979. N\u00f3i c\u00e1ch kh\u00e1c, h\u1ecd th\u00edch tr\u00e1nh thua l\u1ed7 \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. M\u1ed9t s\u1ed1 nghi\u00ean c\u1ee9u cho th\u1ea5y s\u1ef1 m\u1ea5t m\u00e1t l\u1edbn g\u1ea5p \u0111\u00f4i so v\u1edbi l\u1ee3i l\u1ed9c v\u1ec1 m\u1eb7t t\u00e2m l\u00ed. S\u1ef1 thi\u00ean v\u1ecb n\u00e0y l\u00e0m sai l\u1ec7ch \u0111\u00e1nh gi\u00e1 v\u1ec1 x\u00e1c su\u1ea5t.\u00a0<\/p>\n

V\u00ed d\u1ee5, l\u00ed\u00a0thuy\u1ebft tri\u1ec3n v\u1ecdng c\u0169ng gi\u1ea3i th\u00edch cho c\u00e1c h\u00e0nh vi t\u00e0i ch\u00ednh phi logic kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 hi\u1ec7u \u1ee9ng ng\u01b0\u1ee3c v\u1ecb th\u1ebf, \u0111\u00f3 l\u00e0 xu h\u01b0\u1edbng c\u00e1c nh\u00e0 \u0111\u1ea7u t\u01b0 n\u1eafm gi\u1eef c\u1ed5 phi\u1ebfu m\u1ea5t gi\u00e1 qu\u00e1 l\u00e2u v\u00e0 b\u00e1n c\u1ed5 phi\u1ebfu sinh l\u1eddi qu\u00e1 s\u1edbm.\u00a0<\/p>\n

D\u1ef1a tr\u00ean c\u00f4ng tr\u00ecnh c\u1ee7a Kahneman v\u00e0 Tversky, c\u00e1c nh\u00e0 t\u00e2m l\u00ed\u00a0h\u1ecdc ti\u1ebfn b\u1ed9 \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c l\u00ed thuy\u1ebft v\u1ec1 l\u00ed\u00a0do t\u1ea1i sao vi\u1ec7c \u0111\u00e1nh gi\u00e1 r\u1ee7i ro v\u00e0 t\u1ec9 l\u1ec7 c\u01b0\u1ee3c kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi kh\u1ecfi c\u1ea3m x\u00fac – v\u00e0 t\u1ea1i sao s\u1ef1 \u00e1c c\u1ea3m m\u1ea5t m\u00e1t c\u00f3 th\u1ec3 g\u00e2y ra bi\u1ebfn \u0111\u1ed9ng b\u1ea5t \u0111\u1ed1i x\u1ee9ng.<\/p>\n

M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 kh\u00f3 kh\u0103n trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n c\u1ee7a s\u1ef1 bi\u1ebfn \u0111\u1ed9ng b\u1ea5t \u0111\u1ed1i x\u1ee9ng l\u00e0 t\u00e1ch bi\u1ec7t c\u00e1c y\u1ebfu t\u1ed1 tr\u00ean to\u00e0n th\u1ecb tr\u01b0\u1eddng (h\u1ec7 th\u1ed1ng) v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 \u0111\u1eb7c th\u00f9 ch\u1ee9ng kho\u00e1n (\u0111\u1eb7c tr\u01b0ng). Thuy\u1ebft ng\u1ea1i l\u1ed7 \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh h\u00e0m gi\u00e1 tr\u1ecb b\u1ea5t \u0111\u1ed1i x\u1ee9ng:<\/p>\n

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S\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a bi\u1ebfn \u0111\u1ed9ng b\u1ea5t \u0111\u1ed1i x\u1ee9ng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong qu\u1ea3n l\u00ed r\u1ee7i ro v\u00e0 chi\u1ebfn l\u01b0\u1ee3c ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u0169ng nh\u01b0 gi\u00e1 quy\u1ec1n ch\u1ecdn.<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: investopedia.com)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng b\u1ea5t \u0111\u1ed1i x\u1ee9ng (ti\u1ebfng Anh: Asymmetric Volatility Phenomenon) l\u00e0 xu h\u01b0\u1edbng quan s\u00e1t cho th\u1ea5y bi\u1ebfn \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng v\u1ed1n s\u1ebd cao h\u01a1n \u1edf c\u00e1c th\u1ecb tr\u01b0\u1eddng suy tho\u00e1i so v\u1edbi c\u00e1c th\u1ecb tr\u01b0\u1eddng t\u0103ng tr\u01b0\u1edfng.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[414],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/25533"}],"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=25533"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/25533\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=25533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=25533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=25533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}