{
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    "date": "2026-05-21T10:07:25",
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    "slug": "thi-truong-chung-quyen-ngay-21-05-2026-khoi-ngoai-ban-manh-nhom-chung-quyen-stb",
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    "title": {
        "rendered": "Th\u1ecb tr\u01b0\u1eddng ch\u1ee9ng quy\u1ec1n ng\u00e0y 21\/05\/2026: Kh\u1ed1i ngo\u1ea1i b\u00e1n m\u1ea1nh nh\u00f3m ch\u1ee9ng quy\u1ec1n STB"
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        "rendered": "<p class=\"pHead\">K\u1ebft th\u00fac phi\u00ean giao d\u1ecbch ng\u00e0y 20\/05\/2026, to\u00e0n th\u1ecb tr\u01b0\u1eddng c\u00f3 61 m\u00e3 t\u0103ng, 139 m\u00e3 gi\u1ea3m v\u00e0 41 m\u00e3 tham chi\u1ebfu. Kh\u1ed1i ngo\u1ea1i ti\u1ebfp t\u1ee5c b\u00e1n r\u00f2ng v\u1edbi t\u1ed5ng m\u1ee9c b\u00e1n r\u00f2ng \u0111\u1ea1t 2.22 t\u1ef7 \u0111\u1ed3ng.<\/p>\n<p class=\"pSubTitle\"><strong>I. DI\u1ec4N BI\u1ebeN TH\u1eca TR\u01af\u1edcNG CH\u1ee8NG QUY\u1ec0N<\/strong><\/p>\n<p class=\"pBody\">K\u1ebft th\u00fac phi\u00ean giao d\u1ecbch ng\u00e0y 20\/05\/2026, to\u00e0n th\u1ecb tr\u01b0\u1eddng c\u00f3 61 m\u00e3 t\u0103ng, 139 m\u00e3 gi\u1ea3m v\u00e0 41 m\u00e3 tham chi\u1ebfu.<\/p>\n<p class=\"pBody\"><strong>\u0110\u1ed9 r\u1ed9ng th\u1ecb tr\u01b0\u1eddng trong 20 phi\u00ean g\u1ea7n nh\u1ea5t. \u0110vt: Ph\u1ea7n tr\u0103m<\/strong><\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"640\" height=\"389\" src=\"https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-56.png\" alt=\"\" class=\"wp-image-81407\" style=\"width:840px;height:auto\" srcset=\"https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-56.png 640w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-56-300x182.png 300w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-56-18x12.png 18w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-56-440x267.png 440w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-56-240x146.png 240w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-56-600x365.png 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p>Trong phi\u00ean giao d\u1ecbch ng\u00e0y 20\/05\/2026, b\u00ean b\u00e1n ti\u1ebfp t\u1ee5c \u00e1p \u0111\u1ea3o th\u1ecb tr\u01b0\u1eddng khi\u1ebfn ph\u1ea7n l\u1edbn c\u00e1c m\u00e3 ch\u1ee9ng quy\u1ec1n gi\u1ea3m gi\u00e1. C\u1ee5 th\u1ec3, c\u00e1c m\u00e3 ch\u1ee9ng quy\u1ec1n l\u1edbn trong nh\u00f3m gi\u1ea3m gi\u00e1 l\u00e0&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/chung-khoan-phai-sinh\/CVIC2515\/cw-tong-quan.htm?languageid=1\">CVIC2515<\/a>,&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/chung-khoan-phai-sinh\/CVHM2609\/cw-tong-quan.htm?languageid=1\">CVHM2609<\/a>,&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/chung-khoan-phai-sinh\/CSTB2604\/cw-tong-quan.htm?languageid=1\">CSTB2604<\/a>&nbsp;v\u00e0 CSTB2521.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"459\" src=\"https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-57-1024x459.png\" alt=\"\" class=\"wp-image-81408\" srcset=\"https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-57-1024x459.png 1024w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-57-300x134.png 300w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-57-768x344.png 768w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-57-18x8.png 18w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-57-440x197.png 440w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-57-260x116.png 260w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-57-600x269.png 600w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-57.png 1112w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch to\u00e0n th\u1ecb tr\u01b0\u1eddng trong phi\u00ean 20\/05 \u0111\u1ea1t 83.07 tri\u1ec7u CW, t\u0103ng 27.45%; gi\u00e1 tr\u1ecb giao d\u1ecbch \u0111\u1ea1t 88.57 t\u1ef7 \u0111\u1ed3ng, t\u0103ng 26.99% so v\u1edbi phi\u00ean 19\/05. Trong \u0111\u00f3,&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/chung-khoan-phai-sinh\/CVPB2605\/cw-tong-quan.htm?languageid=1\">CVPB2605<\/a>&nbsp;l\u00e0 m\u00e3 d\u1eabn \u0111\u1ea7u th\u1ecb tr\u01b0\u1eddng v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng v\u1edbi 3.81 tri\u1ec7u CW;&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/chung-khoan-phai-sinh\/CVHM2607\/cw-tong-quan.htm?languageid=1\">CVHM2607<\/a>&nbsp;d\u1eabn \u0111\u1ea7u v\u1ec1 gi\u00e1 tr\u1ecb giao d\u1ecbch v\u1edbi 5.6 t\u1ef7 \u0111\u1ed3ng.<\/p>\n\n\n\n<p>Kh\u1ed1i ngo\u1ea1i ti\u1ebfp t\u1ee5c b\u00e1n r\u00f2ng trong phi\u00ean 20\/05 v\u1edbi t\u1ed5ng m\u1ee9c b\u00e1n r\u00f2ng \u0111\u1ea1t 2.22 t\u1ef7 \u0111\u1ed3ng. Trong \u0111\u00f3,&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/chung-khoan-phai-sinh\/CSTB2530\/cw-tong-quan.htm?languageid=1\">CSTB2530<\/a>&nbsp;v\u00e0&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/chung-khoan-phai-sinh\/CSTB2607\/cw-tong-quan.htm?languageid=1\">CSTB2607<\/a>&nbsp;l\u00e0 hai m\u00e3 b\u1ecb b\u00e1n r\u00f2ng nhi\u1ec1u nh\u1ea5t.<\/p>\n\n\n\n<p>C\u00f4ng ty ch\u1ee9ng kho\u00e1n&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/SSI-ctcp-chung-khoan-ssi.htm?languageid=1\">SSI<\/a>,&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/KIS-ctcp-chung-khoan-kis-viet-nam.htm?languageid=1\">KIS<\/a>,&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/VND-ctcp-chung-khoan-vndirect.htm?languageid=1\">VND<\/a>,&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/ACBS-cong-ty-tnhh-chung-khoan-acb.htm?languageid=1\">ACBS<\/a>,&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/KAFI-ctcp-chung-khoan-kafi.htm?languageid=1\">KAFI<\/a>&nbsp;v\u00e0&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/TCX-ctcp-chung-khoan-ky-thuong.htm?languageid=1\">TCX<\/a>&nbsp;hi\u1ec7n \u0111ang l\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c ph\u00e1t h\u00e0nh c\u00f3 nhi\u1ec1u m\u00e3 ch\u1ee9ng quy\u1ec1n nh\u1ea5t th\u1ecb tr\u01b0\u1eddng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"459\" src=\"https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-58-1024x459.png\" alt=\"\" class=\"wp-image-81410\" srcset=\"https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-58-1024x459.png 1024w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-58-300x135.png 300w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-58-768x344.png 768w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-58-18x8.png 18w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-58-440x197.png 440w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-58-260x117.png 260w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-58-600x269.png 600w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-58.png 1108w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>II. TH\u1ed0NG K\u00ca TH\u1eca TR\u01af\u1edcNG<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"374\" src=\"https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-59.png\" alt=\"\" class=\"wp-image-81411\" style=\"width:840px;height:auto\" srcset=\"https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-59.png 640w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-59-300x175.png 300w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-59-18x12.png 18w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-59-440x257.png 440w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-59-250x146.png 250w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-59-600x351.png 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"372\" src=\"https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-60.png\" alt=\"\" class=\"wp-image-81412\" style=\"width:840px;height:auto\" srcset=\"https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-60.png 640w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-60-300x174.png 300w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-60-18x10.png 18w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-60-440x256.png 440w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-60-251x146.png 251w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-60-600x349.png 600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p><strong>III. TH\u1ed0NG K\u00ca C\u00c1C CH\u1ee8NG QUY\u1ec0N N\u1ed4I B\u1eacT<\/strong><\/p>\n\n\n\n<p>D\u1ef1a tr\u00ean ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecbnh gi\u00e1 ch\u1ee9ng quy\u1ec1n Black-Scholes v\u1edbi th\u1eddi \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u l\u00e0 ng\u00e0y 21\/05\/2026, s\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea c\u1ee7a 10 ch\u1ee9ng quy\u1ec1n d\u1eabn \u0111\u1ea7u v\u1ec1 thanh kho\u1ea3n (gi\u00e1 tr\u1ecb v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng kh\u1edbp l\u1ec7nh) trong phi\u00ean thu\u1ed9c nh\u00f3m c\u00e1c ch\u1ee9ng quy\u1ec1n v\u1ed1n h\u00f3a l\u1edbn, \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n nh\u01b0 sau:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"686\" height=\"264\" src=\"https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-61.png\" alt=\"\" class=\"wp-image-81413\" style=\"width:840px;height:auto\" srcset=\"https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-61.png 686w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-61-300x115.png 300w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-61-18x7.png 18w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-61-440x169.png 440w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-61-260x100.png 260w, https:\/\/hbbgroup.net\/wp-content\/uploads\/2026\/05\/image-61-600x231.png 600w\" sizes=\"(max-width: 686px) 100vw, 686px\" \/><\/figure>\n\n\n\n<p>L\u01b0u \u00fd: Chi ph\u00ed c\u01a1 h\u1ed9i trong m\u00f4 h\u00ecnh \u0111\u1ecbnh gi\u00e1 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam. C\u1ee5 th\u1ec3, l\u00e3i su\u1ea5t t\u00edn phi\u1ebfu phi r\u1ee7i ro (t\u00edn phi\u1ebfu Ch\u00ednh Ph\u1ee7) s\u1ebd \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng l\u00e3i su\u1ea5t ti\u1ec1n g\u1eedi trung b\u00ecnh c\u1ee7a c\u00e1c ng\u00e2n h\u00e0ng l\u1edbn v\u1edbi s\u1ef1 hi\u1ec7u ch\u1ec9nh k\u1ef3 h\u1ea1n ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i ch\u1ee9ng quy\u1ec1n.<\/p>\n\n\n\n<p>Nh\u1eefng m\u00e3 ch\u1ee9ng quy\u1ec1n c\u00f3 effective gearing c\u00e0ng cao th\u00ec bi\u1ebfn \u0111\u1ed9ng t\u0103ng\/gi\u1ea3m theo ch\u1ee9ng kho\u00e1n c\u01a1 s\u1edf s\u1ebd c\u00e0ng l\u1edbn. Hi\u1ec7n&nbsp;CSTB2530&nbsp;v\u00e0&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/finance.vietstock.vn\/chung-khoan-phai-sinh\/CSTB2532\/cw-tong-quan.htm?languageid=1\">CSTB2532<\/a>&nbsp;l\u00e0 hai m\u00e3 ch\u1ee9ng quy\u1ec1n c\u00f3 t\u1ef7 l\u1ec7 effective gearing cao nh\u1ea5t th\u1ecb tr\u01b0\u1eddng.<\/p>",
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