{"id":583,"date":"2026-01-26T13:19:49","date_gmt":"2026-01-26T06:19:49","guid":{"rendered":"https:\/\/blog.datacore.vn\/?p=583"},"modified":"2026-01-30T12:37:35","modified_gmt":"2026-01-30T05:37:35","slug":"dau-tu-hieu-qua-khong-nam-o-co-phieu-tot-nhat-ma-o-cach-ban-ket-hop-chung","status":"publish","type":"post","link":"https:\/\/blog.datacore.vn\/vi\/dau-tu-hieu-qua-khong-nam-o-co-phieu-tot-nhat-ma-o-cach-ban-ket-hop-chung\/","title":{"rendered":"\u0110\u1ea7u t\u01b0 hi\u1ec7u qu\u1ea3 kh\u00f4ng n\u1eb1m \u1edf c\u1ed5 phi\u1ebfu t\u1ed1t nh\u1ea5t, m\u00e0 \u1edf c\u00e1ch b\u1ea1n k\u1ebft h\u1ee3p ch\u00fang"},"content":{"rendered":"<p><strong>1. M\u1edf \u0111\u1ea7u<\/strong><br>Nhi\u1ec1u nh\u00e0 \u0111\u1ea7u t\u01b0 tin r\u1eb1ng ch\u1ec9 c\u1ea7n mua nhi\u1ec1u c\u1ed5 phi\u1ebfu kh\u00e1c nhau l\u00e0 \u0111\u00e3 \u0111a d\u1ea1ng h\u00f3a r\u1ee7i ro. Tuy nhi\u00ean, trong th\u1ef1c t\u1ebf, n\u1ebfu c\u00e1c c\u1ed5 phi\u1ebfu \u0111\u00f3 c\u00f9ng thu\u1ed9c m\u1ed9t ng\u00e0nh, c\u00f9ng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u1ed9t chu k\u1ef3 kinh t\u1ebf ho\u1eb7c c\u00f3 ph\u1ea3n \u1ee9ng t\u01b0\u01a1ng t\u1ef1 tr\u01b0\u1edbc bi\u1ebfn \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng, th\u00ec khi r\u1ee7i ro x\u1ea3y ra, to\u00e0n b\u1ed9 danh m\u1ee5c v\u1eabn c\u00f3 th\u1ec3 gi\u1ea3m m\u1ea1nh.<\/p>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y cho th\u1ea5y \u0111a d\u1ea1ng h\u00f3a kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 s\u1ed1 l\u01b0\u1ee3ng, m\u00e0 quan tr\u1ecdng h\u01a1n l\u00e0 c\u1ea5u tr\u00fac c\u1ee7a danh m\u1ee5c \u0111\u1ea7u t\u01b0.<\/p>\n\n\n\n<p>Modern Portfolio Theory (MPT), do Harry Markowitz \u0111\u1ec1 xu\u1ea5t n\u0103m 1952, \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn mang t\u00ednh khoa h\u1ecdc cho b\u00e0i to\u00e1n n\u00e0y. Thay v\u00ec t\u1eadp trung v\u00e0o t\u1eebng c\u1ed5 phi\u1ebfu ri\u00eang l\u1ebb, MPT nh\u1ea5n m\u1ea1nh vi\u1ec7c k\u1ebft h\u1ee3p c\u00e1c t\u00e0i s\u1ea3n sao cho danh m\u1ee5c \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn k\u1ef3 v\u1ecdng cao nh\u1ea5t v\u1edbi m\u1ee9c r\u1ee7i ro th\u1ea5p nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n\n\n\n<p><strong>2. R\u1ee7i ro v\u00e0 l\u1ee3i nhu\u1eadn \u2013 hi\u1ec3u \u0111\u00fang b\u1ea3n ch\u1ea5t<\/strong><\/p>\n\n\n\n<p><strong>Expected return \u2013 L\u1ee3i nhu\u1eadn k\u1ef3 v\u1ecdng<\/strong><\/p>\n\n\n\n<p>Expected return l\u00e0 m\u1ee9c l\u1ee3i nhu\u1eadn trung b\u00ecnh m\u00e0 nh\u00e0 \u0111\u1ea7u t\u01b0 k\u1ef3 v\u1ecdng \u0111\u1ea1t \u0111\u01b0\u1ee3c trong d\u00e0i h\u1ea1n. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 con s\u1ed1 ch\u1eafc ch\u1eafn, m\u00e0 l\u00e0 m\u1ed9t \u01b0\u1edbc l\u01b0\u1ee3ng d\u1ef1a tr\u00ean d\u1eef li\u1ec7u l\u1ecbch s\u1eed ho\u1eb7c k\u1ef3 v\u1ecdng v\u1ec1 t\u01b0\u01a1ng lai. Trong khu\u00f4n kh\u1ed5 MPT, expected return \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ee5c ti\u00eau m\u00e0 nh\u00e0 \u0111\u1ea7u t\u01b0 h\u01b0\u1edbng t\u1edbi khi x\u00e2y d\u1ef1ng danh m\u1ee5c.<\/p>\n\n\n\n<p><strong>Volatility \u2013 \u0110\u1ed9 bi\u1ebfn \u0111\u1ed9ng<\/strong><\/p>\n\n\n\n<p>Volatility ph\u1ea3n \u00e1nh m\u1ee9c \u0111\u1ed9 dao \u0111\u1ed9ng c\u1ee7a l\u1ee3i nhu\u1eadn theo th\u1eddi gian v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t th\u01b0\u1edbc \u0111o r\u1ee7i ro. T\u00e0i s\u1ea3n c\u00f3 volatility cao th\u01b0\u1eddng c\u00f3 l\u1ee3i nhu\u1eadn bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh, trong khi t\u00e0i s\u1ea3n c\u00f3 volatility th\u1ea5p th\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh h\u01a1n. MPT s\u1eed d\u1ee5ng \u0111\u1ed9 l\u1ec7ch chu\u1ea9n c\u1ee7a l\u1ee3i nhu\u1eadn \u0111\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng m\u1ee9c \u0111\u1ed9 r\u1ee7i ro n\u00e0y.<\/p>\n\n\n\n<p> B\u00ean c\u1ea1nh \u0111\u00f3, trong qu\u00e1 tr\u00ecnh \u0111\u1ea7u t\u01b0, lu\u00f4n t\u1ed3n t\u1ea1i s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i gi\u1eefa r\u1ee7i ro v\u00e0 l\u1ee3i nhu\u1eadn. Mu\u1ed1n \u0111\u1ea1t l\u1ee3i nhu\u1eadn cao h\u01a1n, nh\u00e0 \u0111\u1ea7u t\u01b0 bu\u1ed9c ph\u1ea3i ch\u1ea5p nh\u1eadn bi\u1ebfn \u0111\u1ed9ng l\u1edbn h\u01a1n. MPT kh\u00f4ng lo\u1ea1i b\u1ecf s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i n\u00e0y, nh\u01b0ng ch\u1ec9 ra r\u1eb1ng v\u1edbi c\u00f9ng m\u1ed9t m\u1ee9c l\u1ee3i nhu\u1eadn k\u1ef3 v\u1ecdng, nh\u00e0 \u0111\u1ea7u t\u01b0 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf m\u1ed9t danh m\u1ee5c \u00edt r\u1ee7i ro h\u01a1n th\u00f4ng qua \u0111a d\u1ea1ng h\u00f3a h\u1ee3p l\u00fd.<\/p>\n\n\n\n<p><strong>3.S\u1ee9c m\u1ea1nh c\u1ee7a \u0111a d\u1ea1ng h\u00f3a<\/strong><\/p>\n\n\n\n<p>N\u1ebfu to\u00e0n b\u1ed9 t\u00e0i s\u1ea3n \u0111\u01b0\u1ee3c \u0111\u1ea7u t\u01b0 v\u00e0o m\u1ed9t lo\u1ea1i duy nh\u1ea5t, khi r\u1ee7i ro x\u1ea3y ra, thi\u1ec7t h\u1ea1i s\u1ebd r\u1ea5t l\u1edbn. Ng\u01b0\u1ee3c l\u1ea1i, khi t\u00e0i s\u1ea3n \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 v\u00e0o nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau, r\u1ee7i ro c\u1ee7a t\u1eebng ph\u1ea7n c\u00f3 th\u1ec3 b\u00f9 tr\u1eeb cho nhau. \u0110a d\u1ea1ng h\u00f3a v\u00ec th\u1ebf gi\u00fap gi\u1ea3m r\u1ee7i ro t\u1ed5ng th\u1ec3 m\u00e0 kh\u00f4ng nh\u1ea5t thi\u1ebft l\u00e0m gi\u1ea3m l\u1ee3i nhu\u1eadn k\u1ef3 v\u1ecdng.<\/p>\n\n\n\n<p><strong>Vai tr\u00f2 c\u1ee7a correlation v\u00e0 covariance<\/strong><\/p>\n\n\n\n<p>\u0110i\u1ec3m m\u1ea5u ch\u1ed1t c\u1ee7a MPT n\u1eb1m \u1edf m\u1ed1i t\u01b0\u01a1ng quan gi\u1eefa c\u00e1c t\u00e0i s\u1ea3n. Hai t\u00e0i s\u1ea3n c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed9ng c\u00f9ng chi\u1ec1u, bi\u1ebfn \u0111\u1ed9ng ng\u01b0\u1ee3c chi\u1ec1u ho\u1eb7c g\u1ea7n nh\u01b0 \u0111\u1ed9c l\u1eadp v\u1edbi nhau. Khi k\u1ebft h\u1ee3p c\u00e1c t\u00e0i s\u1ea3n c\u00f3 correlation th\u1ea5p ho\u1eb7c \u00e2m, bi\u1ebfn \u0111\u1ed9ng t\u1ed5ng th\u1ec3 c\u1ee7a danh m\u1ee5c s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3. \u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao m\u1ed9t danh m\u1ee5c \u0111\u1ea7u t\u01b0 c\u00f3 th\u1ec3 an to\u00e0n h\u01a1n t\u1eebng t\u00e0i s\u1ea3n ri\u00eang l\u1ebb, d\u00f9 t\u1eebng t\u00e0i s\u1ea3n \u0111\u00f3 v\u1eabn ti\u1ec1m \u1ea9n r\u1ee7i ro n\u1ebfu \u0111\u1ee9ng m\u1ed9t m\u00ecnh.<\/p>\n\n\n\n<p><strong>4.Danh m\u1ee5c \u00edt r\u1ee7i ro nh\u1ea5t (Minimum-Variance Portfolio)<\/strong><\/p>\n\n\n\n<p>Minimum-Variance Portfolio l\u00e0 danh m\u1ee5c c\u00f3 m\u1ee9c r\u1ee7i ro th\u1ea5p nh\u1ea5t trong t\u1ea5t c\u1ea3 c\u00e1c c\u00e1ch ph\u00e2n b\u1ed5 v\u1ed1n c\u00f3 th\u1ec3, v\u1edbi \u0111i\u1ec1u ki\u1ec7n nh\u00e0 \u0111\u1ea7u t\u01b0 \u0111\u1ea7u t\u01b0 to\u00e0n b\u1ed9 s\u1ed1 ti\u1ec1n. Danh m\u1ee5c n\u00e0y t\u1eadn d\u1ee5ng t\u1ed1i \u0111a hi\u1ec7u \u1ee9ng \u0111a d\u1ea1ng h\u00f3a gi\u1eefa c\u00e1c t\u00e0i s\u1ea3n.<\/p>\n\n\n\n<p>Danh m\u1ee5c \u00edt r\u1ee7i ro nh\u1ea5t kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng mang l\u1ea1i l\u1ee3i nhu\u1eadn cao, nh\u01b0ng n\u00f3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t m\u1ed1c chu\u1ea9n quan tr\u1ecdng. M\u1ecdi danh m\u1ee5c h\u1ee3p l\u00fd kh\u00e1c \u0111\u1ec1u c\u1ea7n c\u00f3 l\u1ee3i nhu\u1eadn k\u1ef3 v\u1ecdng cao h\u01a1n \u0111\u1ec3 b\u00f9 \u0111\u1eafp cho m\u1ee9c r\u1ee7i ro t\u0103ng th\u00eam so v\u1edbi danh m\u1ee5c n\u00e0y.<\/p>\n\n\n\n<p>T\u00ecm hi\u1ec3u th\u00eam:<strong><em><a href=\"https:\/\/blog.datacore.vn\/vi\/tu-du-lieu-den-quyet-dinh-hanh-trinh-xay-dung-danh-muc-dau-tu-thong-minh-cung-datacore\/\"> T\u1eeb D\u1eef Li\u1ec7u \u0110\u1ebfn Quy\u1ebft \u0110\u1ecbnh: H\u00e0nh Tr\u00ecnh X\u00e2y D\u1ef1ng Danh M\u1ee5c \u0110\u1ea7u T\u01b0 Th\u00f4ng Minh C\u00f9ng DataCore<\/a><\/em><\/strong><\/p>\n\n\n\n<p><strong>5. Danh m\u1ee5c hi\u1ec7u qu\u1ea3 (Efficient Portfolios)<\/strong><\/p>\n\n\n\n<p>Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c ch\u1ec9 t\u00ecm danh m\u1ee5c c\u00f3 r\u1ee7i ro th\u1ea5p nh\u1ea5t ch\u01b0a ch\u1eafc \u0111\u00e3 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau c\u1ee7a nh\u00e0 \u0111\u1ea7u t\u01b0. Ph\u1ea7n l\u1edbn nh\u00e0 \u0111\u1ea7u t\u01b0 kh\u00f4ng ch\u1ec9 mu\u1ed1n gi\u1ea3m thi\u1ec3u bi\u1ebfn \u0111\u1ed9ng, m\u00e0 c\u00f2n \u0111\u1eb7t ra m\u1ed9t m\u1ee9c l\u1ee3i nhu\u1eadn k\u1ef3 v\u1ecdng t\u1ed1i thi\u1ec3u. T\u1eeb \u0111\u00f3, kh\u00e1i ni\u1ec7m efficient portfolio \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u01b0 m\u1ed9t s\u1ef1 m\u1edf r\u1ed9ng t\u1ef1 nhi\u00ean c\u1ee7a danh m\u1ee5c \u00edt r\u1ee7i ro nh\u1ea5t.<\/p>\n\n\n\n<p>M\u1ed9t danh m\u1ee5c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7u qu\u1ea3 n\u1ebfu th\u1ecfa m\u00e3n hai \u0111i\u1ec1u ki\u1ec7n: l\u1ee3i nhu\u1eadn k\u1ef3 v\u1ecdng \u0111\u1ea1t \u00edt nh\u1ea5t m\u1ee9c m\u1ee5c ti\u00eau \u0111\u00e3 \u0111\u1eb7t ra, v\u00e0 trong s\u1ed1 c\u00e1c danh m\u1ee5c th\u1ecfa m\u00e3n m\u1ee9c l\u1ee3i nhu\u1eadn \u0111\u00f3, n\u00f3 c\u00f3 m\u1ee9c r\u1ee7i ro th\u1ea5p nh\u1ea5t. N\u00f3i c\u00e1ch kh\u00e1c, nh\u00e0 \u0111\u1ea7u t\u01b0 s\u1eb5n s\u00e0ng ch\u1ea5p nh\u1eadn r\u1ee7i ro cao h\u01a1n so v\u1edbi minimum-variance portfolio, mi\u1ec5n l\u00e0 \u0111\u1ed5i l\u1ea1i h\u1ecd nh\u1eadn \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn k\u1ef3 v\u1ecdng cao h\u01a1n.<\/p>\n\n\n\n<p> Gi\u1ea3 s\u1eed nh\u00e0 \u0111\u1ea7u t\u01b0 mong mu\u1ed1n danh m\u1ee5c c\u00f3 l\u1ee3i nhu\u1eadn k\u1ef3 v\u1ecdng \u00edt nh\u1ea5t b\u1eb1ng m\u1ee9c l\u1ee3i nhu\u1eadn trung b\u00ecnh cao nh\u1ea5t trong c\u00e1c t\u00e0i s\u1ea3n ri\u00eang l\u1ebb. Khi \u0111\u00f3, b\u00e0i to\u00e1n \u0111\u1ea7u t\u01b0 kh\u00f4ng c\u00f2n l\u00e0 gi\u1ea3m r\u1ee7i ro t\u1ed1i \u0111a, m\u00e0 l\u00e0 gi\u1ea3m r\u1ee7i ro trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c l\u1ee3i nhu\u1eadn mong mu\u1ed1n.<\/p>\n\n\n\n<p>V\u1ec1 m\u1eb7t tr\u1ef1c gi\u00e1c, c\u00e1c danh m\u1ee5c hi\u1ec7u qu\u1ea3 th\u1ec3 hi\u1ec7n s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i h\u1ee3p l\u00fd gi\u1eefa r\u1ee7i ro v\u00e0 l\u1ee3i nhu\u1eadn. M\u1ed9t danh m\u1ee5c c\u00f3 r\u1ee7i ro cao h\u01a1n nh\u01b0ng kh\u00f4ng mang l\u1ea1i l\u1ee3i nhu\u1eadn k\u1ef3 v\u1ecdng cao h\u01a1n r\u00f5 r\u00e0ng l\u00e0 k\u00e9m hi\u1ec7u qu\u1ea3. Ng\u01b0\u1ee3c l\u1ea1i, danh m\u1ee5c hi\u1ec7u qu\u1ea3 l\u00e0 nh\u1eefng danh m\u1ee5c m\u00e0 nh\u00e0 \u0111\u1ea7u t\u01b0 kh\u00f4ng th\u1ec3 c\u1ea3i thi\u1ec7n l\u1ee3i nhu\u1eadn m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng r\u1ee7i ro, v\u00e0 c\u0169ng kh\u00f4ng th\u1ec3 gi\u1ea3m r\u1ee7i ro m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m l\u1ee3i nhu\u1eadn.<\/p>\n\n\n\n<p>Khi thay \u0111\u1ed5i d\u1ea7n m\u1ee9c l\u1ee3i nhu\u1eadn m\u1ee5c ti\u00eau t\u1eeb th\u1ea5p \u0111\u1ebfn cao, t\u1eadp h\u1ee3p c\u00e1c danh m\u1ee5c hi\u1ec7u qu\u1ea3 n\u00e0y s\u1ebd t\u1ea1o th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng cong, ch\u00ednh l\u00e0 efficient frontier trong l\u00fd thuy\u1ebft danh m\u1ee5c hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<p><strong>6. Efficient frontier \u2013 bi\u00ean hi\u1ec7u qu\u1ea3<\/strong><\/p>\n\n\n\n<p>Efficient frontier l\u00e0 t\u1eadp h\u1ee3p c\u00e1c danh m\u1ee5c \u0111\u1ea7u t\u01b0 t\u1ed1i \u01b0u, trong \u0111\u00f3 m\u1ed7i danh m\u1ee5c mang l\u1ea1i l\u1ee3i nhu\u1eadn k\u1ef3 v\u1ecdng cao nh\u1ea5t cho m\u1ed9t m\u1ee9c r\u1ee7i ro nh\u1ea5t \u0111\u1ecbnh. N\u1ebfu m\u1ed9t danh m\u1ee5c n\u1eb1m d\u01b0\u1edbi \u0111\u01b0\u1eddng bi\u00ean n\u00e0y, lu\u00f4n t\u1ed3n t\u1ea1i m\u1ed9t danh m\u1ee5c kh\u00e1c t\u1ed1t h\u01a1n c\u1ea3 v\u1ec1 r\u1ee7i ro l\u1eabn l\u1ee3i nhu\u1eadn.<\/p>\n\n\n\n<p>M\u1ed9t c\u1ed5 phi\u1ebfu ri\u00eang l\u1ebb ch\u1ec9 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t \u0111i\u1ec3m duy nh\u1ea5t tr\u00ean m\u1eb7t ph\u1eb3ng r\u1ee7i ro \u2013 l\u1ee3i nhu\u1eadn. Trong khi \u0111\u00f3, danh m\u1ee5c \u0111\u1ea7u t\u01b0 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo MPT c\u00f3 th\u1ec3 n\u1eb1m tr\u00ean efficient frontier, ngh\u0129a l\u00e0 t\u1ed1i \u01b0u h\u01a1n b\u1ea5t k\u1ef3 c\u1ed5 phi\u1ebfu \u0111\u01a1n l\u1ebb n\u00e0o khi x\u00e9t tr\u00ean c\u00f9ng m\u1ed9t m\u1ee9c r\u1ee7i ro.<\/p>\n\n\n\n<p><strong>7. K\u1ebft lu\u1eadn<\/strong><\/p>\n\n\n\n<p>Modern Portfolio Theory \u0111\u00e3 thay \u0111\u1ed5i t\u01b0 duy \u0111\u1ea7u t\u01b0 t\u1eeb vi\u1ec7c ch\u1ecdn t\u00e0i s\u1ea3n sang vi\u1ec7c thi\u1ebft k\u1ebf danh m\u1ee5c. L\u00fd thuy\u1ebft n\u00e0y nh\u1ea5n m\u1ea1nh r\u1eb1ng r\u1ee7i ro kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u1eeb t\u1eebng kho\u1ea3n \u0111\u1ea7u t\u01b0 ri\u00eang l\u1ebb, m\u00e0 t\u1eeb c\u00e1ch c\u00e1c kho\u1ea3n \u0111\u1ea7u t\u01b0 \u0111\u00f3 t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau.<\/p>\n\n\n\n<p>\u0110\u1ea7u t\u01b0 hi\u1ec7u qu\u1ea3 kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ed1i \u0111a h\u00f3a l\u1ee3i nhu\u1eadn b\u1eb1ng m\u1ecdi gi\u00e1, m\u00e0 l\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u1ed1i quan h\u1ec7 gi\u1eefa r\u1ee7i ro v\u00e0 l\u1ee3i nhu\u1eadn.<\/p>\n\n\n\n<p>MPT cho th\u1ea5y nh\u00e0 \u0111\u1ea7u t\u01b0 kh\u00f4ng c\u1ea7n ph\u1ea3i d\u1ef1 \u0111o\u00e1n ch\u00ednh x\u00e1c c\u1ed5 phi\u1ebfu n\u00e0o s\u1ebd t\u0103ng m\u1ea1nh nh\u1ea5t. Thay v\u00e0o \u0111\u00f3, vi\u1ec7c k\u1ebft h\u1ee3p nhi\u1ec1u t\u00e0i s\u1ea3n v\u1edbi \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c nhau m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 d\u00e0i h\u1ea1n c\u1ee7a danh m\u1ee5c.<\/p>\n\n\n\n<p>Hai nh\u00e0 \u0111\u1ea7u t\u01b0 c\u00f3 th\u1ec3 n\u1eafm gi\u1eef c\u00f9ng m\u1ed9t t\u1eadp t\u00e0i s\u1ea3n nh\u01b0ng \u0111\u1ea1t k\u1ebft qu\u1ea3 ho\u00e0n to\u00e0n kh\u00e1c nhau do c\u00e1ch ph\u00e2n b\u1ed5 v\u1ed1n kh\u00e1c nhau. C\u1ea5u tr\u00fac danh m\u1ee5c, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eebng t\u00e0i s\u1ea3n ri\u00eang l\u1ebb, m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t quy\u1ebft \u0111\u1ecbnh r\u1ee7i ro v\u00e0 l\u1ee3i nhu\u1eadn.<\/p>\n\n\n\n<p>Xem th\u00eam: <strong><em><a href=\"https:\/\/blog.datacore.vn\/vi\/du-lieu-nhu-mot-co-so-ha-tang-quoc-gia-tai-sao-viet-nam-phai-xay-dung-nen-tang-cot-loi\/\" data-type=\"link\" data-id=\"https:\/\/blog.datacore.vn\/vi\/du-lieu-nhu-mot-co-so-ha-tang-quoc-gia-tai-sao-viet-nam-phai-xay-dung-nen-tang-cot-loi\/\">D\u1eef li\u1ec7u nh\u01b0 m\u1ed9t c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng qu\u1ed1c gia: T\u1ea1i sao Vi\u1ec7t Nam ph\u1ea3i x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng c\u1ed1t l\u00f5i<\/a><\/em><\/strong><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>1. M\u1edf \u0111\u1ea7uNhi\u1ec1u nh\u00e0 \u0111\u1ea7u t\u01b0 tin r\u1eb1ng ch\u1ec9 c\u1ea7n mua nhi\u1ec1u c\u1ed5 phi\u1ebfu kh\u00e1c nhau l\u00e0 \u0111\u00e3 \u0111a d\u1ea1ng h\u00f3a r\u1ee7i ro. Tuy nhi\u00ean, trong th\u1ef1c t\u1ebf, n\u1ebfu c\u00e1c c\u1ed5 phi\u1ebfu \u0111\u00f3 c\u00f9ng thu\u1ed9c m\u1ed9t ng\u00e0nh, c\u00f9ng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u1ed9t chu k\u1ef3 kinh t\u1ebf ho\u1eb7c c\u00f3 ph\u1ea3n \u1ee9ng t\u01b0\u01a1ng t\u1ef1 tr\u01b0\u1edbc bi\u1ebfn [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":665,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_swt_meta_header_display":false,"_swt_meta_footer_display":false,"_swt_meta_site_title_display":false,"_swt_meta_sticky_header":false,"_swt_meta_transparent_header":false,"footnotes":""},"categories":[19],"tags":[],"class_list":["post-583","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-vi"],"uagb_featured_image_src":{"full":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/01\/DataCore-Operating-System-Layer-Diagram.png",1536,1024,false],"thumbnail":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/01\/DataCore-Operating-System-Layer-Diagram-150x150.png",150,150,true],"medium":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/01\/DataCore-Operating-System-Layer-Diagram-300x200.png",300,200,true],"medium_large":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/01\/DataCore-Operating-System-Layer-Diagram-768x512.png",768,512,true],"large":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/01\/DataCore-Operating-System-Layer-Diagram-1024x683.png",1024,683,true],"1536x1536":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/01\/DataCore-Operating-System-Layer-Diagram.png",1536,1024,false],"2048x2048":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/01\/DataCore-Operating-System-Layer-Diagram.png",1536,1024,false],"trp-custom-language-flag":["https:\/\/blog.datacore.vn\/wp-content\/uploads\/2026\/01\/DataCore-Operating-System-Layer-Diagram-18x12.png",18,12,true]},"uagb_author_info":{"display_name":"Trang Luong","author_link":"https:\/\/blog.datacore.vn\/vi\/author\/luongtrang\/"},"uagb_comment_info":0,"uagb_excerpt":"1. M\u1edf \u0111\u1ea7uNhi\u1ec1u nh\u00e0 \u0111\u1ea7u t\u01b0 tin r\u1eb1ng ch\u1ec9 c\u1ea7n mua nhi\u1ec1u c\u1ed5 phi\u1ebfu kh\u00e1c nhau l\u00e0 \u0111\u00e3 \u0111a d\u1ea1ng h\u00f3a r\u1ee7i ro. Tuy nhi\u00ean, trong th\u1ef1c t\u1ebf, n\u1ebfu c\u00e1c c\u1ed5 phi\u1ebfu \u0111\u00f3 c\u00f9ng thu\u1ed9c m\u1ed9t ng\u00e0nh, c\u00f9ng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u1ed9t chu k\u1ef3 kinh t\u1ebf ho\u1eb7c c\u00f3 ph\u1ea3n \u1ee9ng t\u01b0\u01a1ng t\u1ef1 tr\u01b0\u1edbc bi\u1ebfn&hellip;","_links":{"self":[{"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/posts\/583","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/comments?post=583"}],"version-history":[{"count":7,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/posts\/583\/revisions"}],"predecessor-version":[{"id":674,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/posts\/583\/revisions\/674"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/media\/665"}],"wp:attachment":[{"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/media?parent=583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/categories?post=583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.datacore.vn\/vi\/wp-json\/wp\/v2\/tags?post=583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}