{"id":29974,"date":"2023-12-07T08:50:41","date_gmt":"2023-12-07T08:50:41","guid":{"rendered":"https:\/\/masterskills.org\/blog\/lambda-trong-giao-dich-quyen-chon-la-gi-dac-diem.html"},"modified":"2023-12-23T06:11:12","modified_gmt":"2023-12-22T23:11:12","slug":"lambda-trong-giao-dich-quyen-chon-la-gi-dac-diem","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/lambda-trong-giao-dich-quyen-chon-la-gi-dac-diem.html","title":{"rendered":"Lambda trong giao d\u1ecbch quy\u1ec1n ch\u1ecdn l\u00e0 g\u00ec? \u0110\u1eb7c \u0111i\u1ec3m"},"content":{"rendered":"
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\u1ea2nh minh h\u1ecda. Ngu\u1ed3n: DevClass.<\/p>\n<\/div>\n<\/div>\n

Lambda<\/font><\/b><\/h2>\n

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

Trong giao d\u1ecbch quy\u1ec1n ch\u1ecdn, Lambda<\/b> l\u00e0 ch\u1eef c\u00e1i Hi L\u1ea1p \u0111\u01b0\u1ee3c g\u00e1n cho m\u1ed9t bi\u1ebfn s\u1ed1, cho bi\u1ebft t\u1ec9 l\u1ec7 \u0111\u00f2n b\u1ea9y c\u1ee7a m\u1ed9t quy\u1ec1n ch\u1ecdn l\u00e0 bao nhi\u00eau khi gi\u00e1 c\u1ee7a quy\u1ec1n ch\u1ecdn \u0111\u00f3 thay \u0111\u1ed5i. Con s\u1ed1 n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 y\u1ebfu t\u1ed1 \u0111\u00f2n b\u1ea9y. Lambda cho bi\u1ebft t\u1ec9 l\u1ec7 \u0111\u00f2n b\u1ea9y m\u00e0 quy\u1ec1n ch\u1ecdn s\u1ebd cung c\u1ea5p khi gi\u00e1 c\u1ee7a t\u00e0i s\u1ea3n c\u01a1 b\u1ea3n thay \u0111\u1ed5i 1%. Lambda \u0111\u01b0\u1ee3c k\u00ed hi\u1ec7u b\u1eb1ng k\u00ed t\u1ef1 \u03bb.<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Lambda<\/font><\/b><\/h3>\n

Lambda l\u00e0 m\u1ed9t ph\u00e9p \u0111o kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i b\u1edfi v\u00ec h\u1ea7u h\u1ebft nh\u1eefng g\u00ec n\u00f3 x\u00e1c \u0111\u1ecbnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p c\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c t\u1ea1o ra b\u1edfi ng\u01b0\u1eddi Hi L\u1ea1p. Tuy nhi\u00ean, th\u00f4ng tin m\u00e0 n\u00f3 cung c\u1ea5p r\u1ea5t h\u1eefu \u00edch \u0111\u1ec3 hi\u1ec3u m\u1ee9c \u0111\u1ed9 \u0111\u00f2n b\u1ea9y m\u00e0 m\u1ed9t nh\u00e0 giao d\u1ecbch s\u1eed d\u1ee5ng trong giao d\u1ecbch quy\u1ec1n ch\u1ecdn. N\u1ebfu \u0111\u00f2n b\u1ea9y l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh cho m\u1ed9t giao d\u1ecbch c\u1ee5 th\u1ec3, Lambda s\u1ebd \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p r\u1ea5t h\u1eefu \u00edch.<\/p>\n

Ph\u01b0\u01a1ng tr\u00ecnh \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a Lambda nh\u01b0 sau: <\/p>\n

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\n<\/figcaption><\/figure>\n

Trong \u0111\u00f3:<\/p>\n

\u03bb = lambda<\/p>\n

C = gi\u00e1 c\u1ee7a quy\u1ec1n ch\u1ecdn<\/p>\n

S = Gi\u00e1 c\u1ee7a ch\u1ee9ng kho\u00e1n c\u01a1 b\u1ea3n<\/p>\n

\u2202 = s\u1ef1 thay \u0111\u1ed5i<\/p>\n

Ph\u01b0\u01a1ng tr\u00ecnh Lambda \u0111\u01b0\u1ee3c \u0111\u01a1n gi\u1ea3n h\u00f3a l\u00e0m gi\u1ea3m gi\u00e1 tr\u1ecb c\u1ee7a\u00a0Delta\u00a0nh\u00e2n v\u1edbi t\u1ec9 l\u1ec7 c\u1ee7a gi\u00e1 c\u1ed5 phi\u1ebfu chia cho gi\u00e1 quy\u1ec1n ch\u1ecdn. Delta l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ec9 s\u1ed1 Hi L\u1ea1p ti\u00eau chu\u1ea9n v\u00e0 \u0111\u1ea1i di\u1ec7n cho s\u1ed1 ti\u1ec1n m\u00e0 gi\u00e1 quy\u1ec1n ch\u1ecdn d\u1ef1 ki\u1ebfn s\u1ebd thay \u0111\u1ed5i n\u1ebfu gi\u00e1 t\u00e0i s\u1ea3n c\u01a1 b\u1ea3n thay \u0111\u1ed5i 1 USD. <\/p>\n

Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, Lambda th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi\u00a0Vega.\u00a0S\u1ef1 nh\u1ea7m l\u1eabn n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c cho l\u00e0 do c\u00f4ng th\u1ee9c c\u1ee7a hai ch\u1ec9 s\u1ed1 n\u00e0y gi\u1ed1ng nhau, tuy nhi\u00ean tr\u00ean th\u1ef1c t\u1ebf, c\u00f4ng th\u1ee9c t\u00ednh Lambda kh\u00e1c c\u00f4ng th\u1ee9c t\u00ednh Vega. Tuy nhi\u00ean, do \u1ea3nh h\u01b0\u1edfng c\u1ee7a bi\u1ebfn \u0111\u1ed9ng \u0111\u1ed1i v\u1edbi gi\u00e1 quy\u1ec1n ch\u1ecdn \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng Vega, v\u00e0 do \u1ea3nh h\u01b0\u1edfng n\u00e0y \u0111\u01b0\u1ee3c ghi nh\u1eadn khi thay \u0111\u1ed5i gi\u00e1 tr\u1ecb Delta, n\u00ean Lambda v\u00e0 Vega th\u01b0\u1eddng ch\u1ec9 ra k\u1ebft qu\u1ea3 t\u01b0\u01a1ng t\u1ef1.<\/p>\n

V\u00ed d\u1ee5: gi\u00e1 tr\u1ecb c\u1ee7a Lambda cao khi c\u00e1ch ng\u00e0y h\u1ebft h\u1ea1n c\u1ee7a quy\u1ec1n ch\u1ecdn xa, v\u00e0 gi\u1ea3m d\u1ea7n khi ng\u00e0y h\u1ebft h\u1ea1n \u0111\u1ebfn g\u1ea7n. \u0110i\u1ec1u n\u00e0y c\u0169ng \u0111\u00fang v\u1edbi Vega. Lambda thay \u0111\u1ed5i khi c\u00f3 bi\u1ebfn \u0111\u1ed9ng gi\u00e1 l\u1edbn, ho\u1eb7c bi\u1ebfn \u0111\u1ed9ng t\u0103ng, trong t\u00e0i s\u1ea3n c\u01a1 b\u1ea3n, b\u1edfi v\u00ec gi\u00e1 tr\u1ecb n\u00e0y \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p trong gi\u00e1 c\u1ee7a quy\u1ec1n ch\u1ecdn. N\u1ebfu gi\u00e1 c\u1ee7a m\u1ed9t quy\u1ec1n ch\u1ecdn t\u0103ng cao h\u01a1n khi \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng t\u0103ng, th\u00ec gi\u00e1 tr\u1ecb Lambda c\u1ee7a n\u00f3 s\u1ebd gi\u1ea3m v\u00ec chi ph\u00ed l\u1edbn h\u01a1n c\u1ee7a quy\u1ec1n ch\u1ecdn c\u00f3 ngh\u0129a l\u00e0 l\u01b0\u1ee3ng \u0111\u00f2n b\u1ea9y gi\u1ea3m.<\/p>\n

V\u00ed d\u1ee5 v\u1ec1 Lambda<\/font><\/b><\/h3>\n

Gi\u1ea3 s\u1eed m\u1ed9t c\u1ed5 phi\u1ebfu \u0111\u01b0\u1ee3c giao d\u1ecbch \u1edf m\u1ee9c 100 USD v\u00e0 quy\u1ec1n ch\u1ecdn mua ho\u00e0 v\u1ed1n c\u00f3 gi\u00e1 th\u1ef1c hi\u1ec7n l\u00e0 100 USD \u0111\u01b0\u1ee3c giao d\u1ecbch v\u1edbi gi\u00e1 2,10 USD, v\u00e0 c\u0169ng gi\u1ea3 s\u1eed r\u1eb1ng Delta l\u00e0 0,58, th\u00ec gi\u00e1 tr\u1ecb Lambda c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh theo ph\u01b0\u01a1ng tr\u00ecnh sau : 0,58 x (100\/2,10).\u00a0<\/p>\n

Gi\u00e1 tr\u1ecb n\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi Lambda c\u1ee7a quy\u1ec1n ch\u1ecdn, trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 27,61. Gi\u00e1 tr\u1ecb Lambda n\u00e0y cho th\u1ea5y \u0111\u00f2n b\u1ea9y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng trong quy\u1ec1n ch\u1ecdn so v\u1edbi c\u1ed5 phi\u1ebfu. Do \u0111\u00f3, vi\u1ec7c t\u0103ng 1% gi\u00e1 tr\u1ecb n\u1eafm gi\u1eef c\u1ed5 phi\u1ebfu s\u1ebd mang l\u1ea1i m\u1ee9c t\u0103ng 27% gi\u00e1 tr\u1ecb c\u1ee7a quy\u1ec1n ch\u1ecdn.<\/p>\n

(Theo\u00a0Investopedia<\/i>)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Trong giao d\u1ecbch quy\u1ec1n ch\u1ecdn, Lambda l\u00e0 ch\u1eef c\u00e1i Hi L\u1ea1p \u0111\u01b0\u1ee3c g\u00e1n cho m\u1ed9t bi\u1ebfn s\u1ed1, cho bi\u1ebft t\u1ec9 l\u1ec7 \u0111\u00f2n b\u1ea9y c\u1ee7a m\u1ed9t quy\u1ec1n ch\u1ecdn l\u00e0 bao nhi\u00eau khi gi\u00e1 c\u1ee7a quy\u1ec1n ch\u1ecdn \u0111\u00f3 thay \u0111\u1ed5i.\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\/29974"}],"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=29974"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/29974\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=29974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=29974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=29974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}