V\u00ec sao v\u00e0ng t\u0103ng? T\u1ea1i sao b\u1ea1c r\u01a1i? T\u1ea1i sao b\u1ea1ch kim v\u00e0 palladium \u0111\u00f4i khi chuy\u1ec3n \u0111\u1ed9ng \u0111\u1ed3ng b\u1ed9 v\u00e0 \u0111\u00f4i khi kh\u00e1c nhau? \u0110\u1ed1i v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u giao d\u1ecbch kim lo\u1ea1i qu\u00fd, d\u01b0\u1eddng nh\u01b0 c\u00f3 s\u1ef1 ng\u1eabu nhi\u00ean \u0111\u1eb1ng sau nh\u1eefng bi\u1ebfn \u0111\u1ed9ng gi\u00e1 n\u00e0y. Nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf, s\u1ef1 thay \u0111\u1ed5i gi\u00e1 c\u1ee7a m\u1ed7i kim lo\u1ea1i qu\u00fd \u0111\u1ec1u c\u00f3 chu\u1ed7i logic n\u1ed9i t\u1ea1i c\u1ee7a ri\u00eang n\u00f3 - t\u1eeb l\u00e0n s\u00f3ng kinh t\u1ebf v\u0129 m\u00f4 to\u00e0n c\u1ea7u, \u0111\u1ebfn nh\u1eefng thay \u0111\u1ed5i tinh vi v\u1ec1 nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n cung v\u00e0 c\u1ea7u, \u0111\u1ebfn s\u1ef1 l\u00ean xu\u1ed1ng theo chu k\u1ef3 c\u1ee7a t\u00e2m l\u00fd th\u1ecb tr\u01b0\u1eddng.<\/p>\n
Hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng logic n\u00e0y l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 nh\u00e0 giao d\u1ecbch chuy\u1ec3n t\u1eeb \u201c\u0111\u1eb7t l\u1ec7nh d\u1ef1a tr\u00ean c\u1ea3m t\u00ednh\u201d sang \u201c\u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean ph\u00e2n t\u00edch\u201d. Khi thi\u1ebft k\u1ebf c\u00e1c ch\u1ee9c n\u0103ng, n\u1ec1n t\u1ea3ng giao d\u1ecbch WMAX kh\u00f4ng ch\u1ec9 t\u1eadp trung v\u00e0o vi\u1ec7c mang l\u1ea1i tr\u1ea3i nghi\u1ec7m giao d\u1ecbch su\u00f4n s\u1ebb m\u00e0 c\u00f2n n\u1ed7 l\u1ef1c tr\u1edf th\u00e0nh \u0111\u1ed1i t\u00e1c tri th\u1ee9c cho c\u00e1c nh\u00e0 giao d\u1ecbch - gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ea7n d\u1ea7n thi\u1ebft l\u1eadp s\u1ef1 hi\u1ec3u bi\u1ebft c\u00f3 h\u1ec7 th\u1ed1ng v\u1ec1 th\u1ecb tr\u01b0\u1eddng kim lo\u1ea1i qu\u00fd th\u00f4ng qua m\u1ed9t lo\u1ea1t c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1o d\u1ee5c v\u00e0 ph\u01b0\u01a1ng ph\u00e1p tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n.<\/p>\n
1. Logic c\u01a1 b\u1ea3n c\u1ee7a vi\u1ec7c \u0111\u1ecbnh gi\u00e1 kim lo\u1ea1i qu\u00fd: t\u1eeb v\u0129 m\u00f4 \u0111\u1ebfn vi m\u00f4<\/p>\n
Tr\u01b0\u1edbc khi xem x\u00e9t s\u00e2u h\u01a1n c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a WMAX, c\u1ea7n ph\u00e2n lo\u1ea1i c\u00e1c y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u00e1 v\u00e0ng, b\u1ea1c v\u00e0 c\u00e1c kim lo\u1ea1i qu\u00fd kh\u00e1c. \u0110i\u1ec1u n\u00e0y gi\u00fap hi\u1ec3u \u0111\u01b0\u1ee3c \u00fd \u0111\u1ecbnh thi\u1ebft k\u1ebf ban \u0111\u1ea7u c\u1ee7a t\u1eebng t\u00ednh n\u0103ng c\u1ee7a n\u1ec1n t\u1ea3ng.<\/p>\n
V\u00e0ng: s\u1ef1 giao thoa gi\u1eefa \u0111\u1eb7c t\u00ednh ti\u1ec1n t\u1ec7 v\u00e0 nhu c\u1ea7u tr\u00fa \u1ea9n an to\u00e0n<\/p>\n
Logic \u0111\u1ecbnh gi\u00e1 c\u1ee7a v\u00e0ng v\u1ec1 c\u01a1 b\u1ea3n kh\u00e1c v\u1edbi logic c\u1ee7a c\u00e1c h\u00e0ng h\u00f3a kh\u00e1c. N\u00f3 v\u1eeba l\u00e0 h\u00e0ng h\u00f3a v\u1eeba l\u00e0 ti\u1ec1n t\u1ec7. Ba bi\u1ebfn s\u1ed1 v\u0129 m\u00f4 c\u1ed1t l\u00f5i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u00e1 v\u00e0ng l\u00e0: l\u00e3i su\u1ea5t th\u1ef1c (l\u00e3i su\u1ea5t danh ngh\u0129a tr\u1eeb \u0111i k\u1ef3 v\u1ecdng l\u1ea1m ph\u00e1t), t\u1ef7 gi\u00e1 h\u1ed1i \u0111o\u00e1i \u0111\u1ed3ng \u0111\u00f4 la M\u1ef9 v\u00e0 r\u1ee7i ro \u0111\u1ecba ch\u00ednh tr\u1ecb. Khi l\u00e3i su\u1ea5t th\u1ef1c gi\u1ea3m ho\u1eb7c \u1edf m\u1ee9c th\u1ea5p, chi ph\u00ed c\u01a1 h\u1ed9i c\u1ee7a vi\u1ec7c n\u1eafm gi\u1eef v\u00e0ng gi\u1ea3m v\u00e0 gi\u00e1 v\u00e0ng c\u00f3 xu h\u01b0\u1edbng t\u0103ng; khi \u0111\u1ed3ng \u0111\u00f4 la M\u1ef9 suy y\u1ebfu, v\u00e0ng \u0111\u1ecbnh gi\u00e1 b\u1eb1ng \u0111\u00f4 la M\u1ef9 tr\u1edf n\u00ean r\u1ebb h\u01a1n \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi n\u1eafm gi\u1eef c\u00e1c lo\u1ea1i ti\u1ec1n t\u1ec7 kh\u00e1c v\u00e0 nhu c\u1ea7u t\u0103ng l\u00ean; khi s\u1ef1 b\u1ea5t \u1ed5n to\u00e0n c\u1ea7u n\u00f3ng l\u00ean, vi\u1ec7c mua v\u00e0ng tr\u00fa \u1ea9n an to\u00e0n s\u1ebd \u0111\u1ed5 x\u00f4 v\u00e0o.<\/p>\n
B\u1ea1c: \u0111\u1ed9ng l\u1ef1c k\u00e9p c\u1ee7a nhu c\u1ea7u c\u00f4ng nghi\u1ec7p v\u00e0 thu\u1ed9c t\u00ednh t\u00e0i ch\u00ednh<\/p>\n
B\u1ea1c c\u00f3 t\u00ednh ch\u1ea5t k\u00e9p c\u1ee7a c\u1ea3 kim lo\u1ea1i qu\u00fd v\u00e0 kim lo\u1ea1i c\u00f4ng nghi\u1ec7p. M\u1ed9t m\u1eb7t, gi\u1ed1ng nh\u01b0 v\u00e0ng, n\u00f3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi l\u00e3i su\u1ea5t th\u1ef1c v\u00e0 xu h\u01b0\u1edbng c\u1ee7a \u0111\u1ed3ng \u0111\u00f4 la M\u1ef9; m\u1eb7t kh\u00e1c, gi\u00e1 c\u1ee7a n\u00f3 r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c ch\u1ec9 s\u1ed1 c\u00f4ng nghi\u1ec7p nh\u01b0 chu k\u1ef3 s\u1ea3n xu\u1ea5t to\u00e0n c\u1ea7u, nhu c\u1ea7u c\u1ee7a ng\u00e0nh quang \u0111i\u1ec7n v\u00e0 s\u1ea3n l\u01b0\u1ee3ng linh ki\u1ec7n \u0111i\u1ec7n t\u1eed. \u0110i\u1ec1u n\u00e0y l\u00e0m cho b\u1ea1c th\u01b0\u1eddng d\u1ec5 bi\u1ebfn \u0111\u1ed9ng h\u01a1n v\u00e0ng - n\u00f3 c\u00f3 xu h\u01b0\u1edbng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n v\u00e0ng trong giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a qu\u00e1 tr\u00ecnh ph\u1ee5c h\u1ed3i kinh t\u1ebf - v\u00e0 n\u00f3 c\u0169ng c\u00f3 th\u1ec3 gi\u1ea3m m\u1ea1nh h\u01a1n khi k\u1ef3 v\u1ecdng suy tho\u00e1i ng\u00e0y c\u00e0ng s\u00e2u s\u1eafc.<\/p>\n
Kim lo\u1ea1i thu\u1ed9c nh\u00f3m B\u1ea1ch kim: S\u1ef1 t\u1eadp trung v\u00e0 c\u1ed9ng h\u01b0\u1edfng ngu\u1ed3n cung v\u1edbi c\u00e1c chu k\u1ef3 c\u00f4ng nghi\u1ec7p<\/p>\n
Gi\u00e1 b\u1ea1ch kim v\u00e0 paladi b\u1ecb \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u h\u01a1n b\u1edfi s\u1ef1 gi\u00e1n \u0111o\u1ea1n t\u1eeb ph\u00eda cung trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 (nhu c\u1ea7u chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c) v\u00e0 khai th\u00e1c m\u1ecf. Nam Phi v\u00e0 Nga l\u00e0 nh\u1eefng nh\u00e0 s\u1ea3n xu\u1ea5t kim lo\u1ea1i thu\u1ed9c nh\u00f3m b\u1ea1ch kim l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi, v\u00e0 c\u00e1c s\u1ef1 ki\u1ec7n nh\u01b0 \u0111\u00ecnh c\u00f4ng c\u1ee7a th\u1ee3 m\u1ecf v\u00e0 t\u00ecnh tr\u1ea1ng thi\u1ebfu \u0111i\u1ec7n nhanh ch\u00f3ng \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh v\u00e0o gi\u00e1 c\u1ea3. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, khi c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i t\u1eeb ph\u01b0\u01a1ng ti\u1ec7n s\u1eed d\u1ee5ng nhi\u00ean li\u1ec7u sang ph\u01b0\u01a1ng ti\u1ec7n ch\u1ea1y b\u1eb1ng \u0111i\u1ec7n ng\u00e0y c\u00e0ng n\u00f3ng l\u00ean, tri\u1ec3n v\u1ecdng nhu c\u1ea7u d\u00e0i h\u1ea1n \u0111\u1ed1i v\u1edbi b\u1ea1ch kim v\u00e0 palladium c\u0169ng \u0111\u00e3 g\u00e2y ra m\u1ed9t v\u00f2ng c\u1ea1nh tranh m\u1edbi tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>\n
2. N\u1ec1n t\u1ea3ng WMAX gi\u00fap nh\u00e0 giao d\u1ecbch hi\u1ec3u nh\u1eefng logic n\u00e0y nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n
B\u1ea3n th\u00e2n ki\u1ebfn \u200b\u200bth\u1ee9c kh\u00f4ng h\u1ec1 khan hi\u1ebfm, c\u00e1i khan hi\u1ebfm ch\u00ednh l\u00e0 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i ki\u1ebfn \u200b\u200bth\u1ee9c v\u1edbi nh\u1eefng giao d\u1ecbch th\u1ef1c t\u1ebf. N\u1ec1n t\u1ea3ng WMAX c\u1ed1 g\u1eafng x\u00e2y d\u1ef1ng c\u1ea7u n\u1ed1i gi\u1eefa l\u00fd thuy\u1ebft v\u00e0 th\u1ef1c h\u00e0nh th\u00f4ng qua c\u00e1c ch\u1ee9c n\u0103ng sau.<\/p>\n
\u25cfBi\u1ec3u \u0111\u1ed3 h\u1ec7 s\u1ed1 gi\u00e1 t\u01b0\u01a1ng t\u00e1c: \u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 h\u1ecdc t\u1eadp tr\u1ef1c quan \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p trong n\u1ec1n t\u1ea3ng. N\u00f3 l\u1ea5y v\u00e0ng l\u00e0m v\u00ed d\u1ee5 v\u00e0 tr\u00ecnh b\u00e0y h\u01a1n ch\u1ee5c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u00e1 v\u00e0ng (l\u00e3i su\u1ea5t th\u1ef1c t\u1ebf, ch\u1ec9 s\u1ed1 \u0111\u00f4 la M\u1ef9, k\u1ef3 v\u1ecdng l\u1ea1m ph\u00e1t, ho\u1ea1t \u0111\u1ed9ng mua v\u00e0ng c\u1ee7a ng\u00e2n h\u00e0ng trung \u01b0\u01a1ng, thay \u0111\u1ed5i n\u1eafm gi\u1eef ETF, ch\u1ec9 s\u1ed1 r\u1ee7i ro \u0111\u1ecba ch\u00ednh tr\u1ecb, v.v.) d\u01b0\u1edbi d\u1ea1ng bi\u1ec3u \u0111\u1ed3 bong b\u00f3ng. K\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed7i bong b\u00f3ng th\u1ec3 hi\u1ec7n m\u1ee9c \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng c\u1ee7a y\u1ebfu t\u1ed1 \u0111\u00f3 trong m\u00f4i tr\u01b0\u1eddng th\u1ecb tr\u01b0\u1eddng hi\u1ec7n t\u1ea1i. Nh\u1ea5p v\u00e0o b\u1ea5t k\u1ef3 bong b\u00f3ng n\u00e0o v\u00e0 m\u1ed9t l\u1eddi gi\u1ea3i th\u00edch d\u1ec5 hi\u1ec3u s\u1ebd m\u1edf ra, gi\u1ea3i th\u00edch c\u00e1ch y\u1ebfu t\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn gi\u00e1 v\u00e0ng b\u1eb1ng bi\u1ec3u \u0111\u1ed3 xu h\u01b0\u1edbng d\u1eef li\u1ec7u trong ba th\u00e1ng qua. C\u00f4ng c\u1ee5 n\u00e0y l\u00e0m cho c\u00e1c kh\u00e1i ni\u1ec7m kinh t\u1ebf tr\u1eebu t\u01b0\u1ee3ng tr\u1edf n\u00ean tr\u1ef1c quan v\u00e0 h\u1eefu h\u00ecnh.<\/p>\n
\u25cf B\u1ea3ng h\u1ecdc t\u1eadp so s\u00e1nh \u0111a d\u1ea1ng: Nhi\u1ec1u nh\u00e0 giao d\u1ecbch bi\u1ebft r\u1eb1ng xu h\u01b0\u1edbng c\u1ee7a v\u00e0ng v\u00e0 b\u1ea1c c\u00f3 li\u00ean quan v\u1edbi nhau nh\u01b0ng h\u1ecd kh\u00f4ng bi\u1ebft l\u00fd do \u0111\u1eb1ng sau ch\u00fang. B\u1ea3ng so s\u00e1nh \u0111a d\u1ea1ng c\u1ee7a WMAX cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng x\u1ebfp ch\u1ed3ng xu h\u01b0\u1edbng gi\u00e1 c\u1ee7a hai kim lo\u1ea1i qu\u00fd b\u1ea5t k\u1ef3 tr\u00ean c\u00f9ng m\u1ed9t bi\u1ec3u \u0111\u1ed3 v\u00e0 t\u1ef1 \u0111\u1ed9ng t\u00ednh to\u00e1n h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan. \u0110i s\u00e2u h\u01a1n, h\u1ed9i th\u1ea3o c\u0169ng s\u1ebd li\u1ec7t k\u00ea c\u00e1c l\u00fd do c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hai xu h\u01b0\u1edbng - v\u00ed d\u1ee5: \"M\u1ee9c t\u0103ng g\u1ea7n \u0111\u00e2y c\u1ee7a b\u1ea1c l\u1edbn h\u01a1n v\u00e0ng, c\u00f3 th\u1ec3 do PMI s\u1ea3n xu\u1ea5t c\u1ee7a Trung Qu\u1ed1c \u0111\u00e3 v\u01b0\u1ee3t qu\u00e1 mong \u0111\u1ee3i, th\u00fac \u0111\u1ea9y k\u1ef3 v\u1ecdng v\u1ec1 nhu c\u1ea7u c\u00f4ng nghi\u1ec7p.\" Ki\u1ec3u ghi nh\u00e3n gi\u1ea3i th\u00edch n\u00e0y bi\u1ebfn vi\u1ec7c quan s\u00e1t bi\u1ec3u \u0111\u1ed3 \u0111\u01a1n gi\u1ea3n th\u00e0nh m\u1ed9t qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp.<\/p>\n
\u25cf Th\u00fac \u0111\u1ea9y ki\u1ebfn \u200b\u200bth\u1ee9c theo h\u01b0\u1edbng s\u1ef1 ki\u1ec7n: Khi c\u00e1c s\u1ef1 ki\u1ec7n quan tr\u1ecdng x\u1ea3y ra tr\u00ean th\u1ecb tr\u01b0\u1eddng (ch\u1eb3ng h\u1ea1n nh\u01b0 C\u1ee5c D\u1ef1 tr\u1eef Li\u00ean bang t\u0103ng l\u00e3i su\u1ea5t, c\u00f4ng b\u1ed1 d\u1eef li\u1ec7u CPI c\u1ee7a M\u1ef9, cu\u1ed9c \u0111\u00ecnh c\u00f4ng c\u1ee7a th\u1ee3 m\u1ecf Nam Phi, v.v.), WMAX s\u1ebd kh\u00f4ng ch\u1ec9 \u0111\u01b0a ra m\u1ed9t ti\u00eau \u0111\u1ec1 tin t\u1ee9c. N\u00f3 s\u1ebd \u0111i k\u00e8m v\u1edbi m\u1ed9t \"th\u1ebb ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n\" gi\u1ea3i th\u00edch b\u1ed1i c\u1ea3nh l\u1ecbch s\u1eed c\u1ee7a s\u1ef1 ki\u1ec7n, \u0111\u01b0\u1eddng t\u00e1c \u0111\u1ed9ng \u0111i\u1ec3n h\u00ecnh \u0111\u1ebfn kim lo\u1ea1i qu\u00fd v\u00e0 nh\u1eefng k\u1ef3 v\u1ecdng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay c\u1ee7a th\u1ecb tr\u01b0\u1eddng trong kho\u1ea3ng 200 t\u1eeb. V\u00ed d\u1ee5: tr\u01b0\u1edbc khi c\u00f4ng b\u1ed1 d\u1eef li\u1ec7u b\u1ea3ng l\u01b0\u01a1ng phi n\u00f4ng nghi\u1ec7p c\u1ee7a Hoa K\u1ef3, n\u1ed9i dung \u0111\u1ea9y c\u00f3 th\u1ec3 bao g\u1ed3m: \"D\u1eef li\u1ec7u b\u1ea3ng l\u01b0\u01a1ng phi n\u00f4ng nghi\u1ec7p l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o quan tr\u1ecdng cho ch\u00ednh s\u00e1ch ti\u1ec1n t\u1ec7 c\u1ee7a C\u1ee5c D\u1ef1 tr\u1eef Li\u00ean bang. Vi\u1ec7c l\u00e0m t\u1ed1t th\u01b0\u1eddng h\u1ed7 tr\u1ee3 k\u1ef3 v\u1ecdng v\u1ec1 vi\u1ec7c t\u0103ng l\u00e3i su\u1ea5t v\u00e0 g\u00e2y \u00e1p l\u1ef1c l\u00ean v\u00e0ng; ng\u01b0\u1ee3c l\u1ea1i, n\u00f3 c\u00f3 th\u1ec3 t\u1ed1t cho v\u00e0ng.\" Ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc t\u1eadp theo th\u1eddi gian th\u1ef1c n\u00e0y cho ph\u00e9p t\u00edch l\u0169y ki\u1ebfn \u200b\u200bth\u1ee9c \u0111\u1ed3ng b\u1ed9 v\u1edbi nh\u1ecbp \u0111i\u1ec7u c\u1ee7a th\u1ecb tr\u01b0\u1eddng.<\/p>\n
3. T\u1eeb ki\u1ebfn \u200b\u200bth\u1ee9c \u0111\u1ebfn k\u1ef9 n\u0103ng: c\u00f4ng c\u1ee5 \u0111\u00e0o t\u1ea1o th\u1ef1c t\u1ebf do n\u1ec1n t\u1ea3ng cung c\u1ea5p<\/p>\n
Khi \u0111\u00e3 hi\u1ec3u l\u00fd thuy\u1ebft, b\u1ea1n c\u1ea7n ki\u1ec3m tra v\u00e0 c\u1ee7ng c\u1ed1 n\u00f3 trong th\u1ef1c t\u1ebf. WMAX cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c b\u00e0i t\u1eadp v\u00e0 c\u00f4ng c\u1ee5 m\u00f4 ph\u1ecfng c\u00f3 r\u1ee7i ro th\u1ea5p.<\/p>\n
\u25cf Ph\u00f2ng giao d\u1ecbch m\u00f4 ph\u1ecfng k\u1ecbch b\u1ea3n v\u0129 m\u00f4: \u0110\u00e2y l\u00e0 m\u00f4i tr\u01b0\u1eddng m\u00f4 ph\u1ecfng d\u1ef1a tr\u00ean d\u1eef li\u1ec7u l\u1ecbch s\u1eed v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1ecb tr\u01b0\u1eddng hi\u1ec7n t\u1ea1i. C\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 ch\u1ecdn m\u1ed9t k\u1ecbch b\u1ea3n v\u0129 m\u00f4 l\u1ecbch s\u1eed (ch\u1eb3ng h\u1ea1n nh\u01b0 \"n\u0103m 2013 khi Fed gi\u1ea3m d\u1ea7n QE\" ho\u1eb7c \"n\u0103m 2020 khi b\u1eaft \u0111\u1ea7u b\u00f9ng ph\u00e1t d\u1ecbch b\u1ec7nh COVID-19\") v\u00e0 th\u1eed giao d\u1ecbch v\u00e0ng ho\u1eb7c b\u1ea1c trong t\u00e0i kho\u1ea3n \u1ea3o. H\u1ec7 th\u1ed1ng s\u1ebd m\u00f4 ph\u1ecfng xu h\u01b0\u1edbng gi\u00e1 t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3 v\u00e0 \u0111\u01b0a ra l\u1eddi nh\u1eafc n\u1ec1n v\u0129 m\u00f4 t\u1ea1i c\u00e1c n\u00fat ch\u00ednh. Sau khi giao d\u1ecbch ho\u00e0n t\u1ea5t, h\u1ec7 th\u1ed1ng s\u1ebd t\u1ea1o b\u00e1o c\u00e1o \u0111\u00e1nh gi\u00e1 chi ti\u1ebft, so s\u00e1nh vi\u1ec7c ra quy\u1ebft \u0111\u1ecbnh c\u1ee7a nh\u00e0 giao d\u1ecbch v\u1edbi xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng th\u1ef1c t\u1ebf v\u00e0 ch\u1ec9 ra ph\u00e1n \u0111o\u00e1n n\u00e0o l\u00e0 h\u1ee3p l\u00fd v\u00e0 ph\u00e1n \u0111o\u00e1n n\u00e0o c\u00f3 th\u1ec3 ch\u1ee9a nh\u1eefng th\u00e0nh ki\u1ebfn \u200b\u200b\u200b\u200bnh\u1eadn th\u1ee9c.<\/p>\n
\u25cf H\u1ec7 th\u1ed1ng c\u00e2u h\u1ecfi, c\u00e2u tr\u1ea3 l\u1eddi v\u00e0 \u0111i\u1ec3m ki\u1ebfn \u200b\u200bth\u1ee9c: N\u1ec1n t\u1ea3ng n\u00e0y c\u00f3 ng\u00e2n h\u00e0ng c\u00e2u h\u1ecfi ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 kim lo\u1ea1i qu\u00fd \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n, bao g\u1ed3m nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 kinh t\u1ebf v\u0129 m\u00f4, c\u1ea5u tr\u00fac th\u1ecb tr\u01b0\u1eddng kim lo\u1ea1i qu\u00fd, quy t\u1eafc giao d\u1ecbch v\u00e0 qu\u1ea3n l\u00fd r\u1ee7i ro. Nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 d\u00e0nh v\u00e0i ph\u00fat m\u1ed7i ng\u00e0y \u0111\u1ec3 ho\u00e0n th\u00e0nh m\u1ed9t b\u1ed9 c\u00e2u h\u1ecfi ng\u1eabu nhi\u00ean. B\u1ea1n c\u00f3 th\u1ec3 ki\u1ebfm \u0111i\u1ec3m b\u1eb1ng c\u00e1ch tr\u1ea3 l\u1eddi ch\u00ednh x\u00e1c c\u00e1c c\u00e2u h\u1ecfi v\u00e0 \u0111i\u1ec3m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ed5i c\u00e1c d\u1ecbch v\u1ee5 gi\u00e1 tr\u1ecb gia t\u0103ng trong n\u1ec1n t\u1ea3ng (ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1edf r\u1ed9ng \u0111\u0103ng k\u00fd d\u1eef li\u1ec7u, m\u1edf kh\u00f3a c\u00e1c c\u00f4ng c\u1ee5 bi\u1ec3u \u0111\u1ed3 n\u00e2ng cao, v.v.). Thi\u1ebft k\u1ebf mang t\u00ednh tr\u00f2 ch\u01a1i n\u00e0y bi\u1ebfn vi\u1ec7c h\u1ecdc t\u1eadp th\u00e0nh m\u1ed9t th\u00f3i quen b\u1ec1n v\u1eefng.<\/p>\n
\u25cf Ch\u1ee9c n\u0103ng truy v\u1ea5n t\u1ee9c th\u1eddi thu\u1eadt ng\u1eef: Khi g\u1eb7p m\u1ed9t thu\u1eadt ng\u1eef h\u1ecd kh\u00f4ng hi\u1ec3u tr\u00ean b\u1ea5t k\u1ef3 giao di\u1ec7n n\u00e0o c\u1ee7a n\u1ec1n t\u1ea3ng\u2014cho d\u00f9 \u0111\u00f3 l\u00e0 ngu\u1ed3n c\u1ea5p tin t\u1ee9c, b\u00e1o c\u00e1o ph\u00e2n t\u00edch hay giao di\u1ec7n giao d\u1ecbch\u2014ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n di chu\u1ed9t qua t\u1eeb \u0111\u00f3 v\u00e0 h\u1ec7 th\u1ed1ng s\u1ebd \u0111\u01b0a ra gi\u1ea3i th\u00edch ng\u1eafn g\u1ecdn. V\u00ed d\u1ee5: di chu\u1ed9t qua \"l\u1ee3i su\u1ea5t th\u1ef1c\" s\u1ebd hi\u1ec3n th\u1ecb: \"L\u1ee3i su\u1ea5t tr\u00e1i phi\u1ebfu danh ngh\u0129a tr\u1eeb \u0111i k\u1ef3 v\u1ecdng l\u1ea1m ph\u00e1t l\u00e0 ch\u1ec9 b\u00e1o ch\u00ednh v\u1ec1 chi ph\u00ed c\u01a1 h\u1ed9i c\u1ee7a vi\u1ec7c n\u1eafm gi\u1eef v\u00e0ng.\" C\u00e1ch ti\u1ebfp thu ki\u1ebfn \u200b\u200bth\u1ee9c d\u1ec5 d\u00e0ng n\u00e0y l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 ng\u01b0\u1ee1ng h\u1ecdc t\u1eadp.<\/p>\n
4. Minh b\u1ea1ch d\u1eef li\u1ec7u: H\u00e3y \u0111\u1ec3 nh\u00e0 giao d\u1ecbch t\u1ef1 x\u00e1c minh k\u1ebft lu\u1eadn<\/p>\n
M\u1ed9t trong nh\u1eefng kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a n\u1ec1n t\u1ea3ng WMAX l\u00e0 n\u00f3 kh\u00f4ng \u0111\u01b0a ra ph\u00e1n x\u00e9t cho c\u00e1c nh\u00e0 giao d\u1ecbch nh\u01b0ng cung c\u1ea5p \u0111\u1ee7 th\u00f4ng tin v\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ec3 cho ph\u00e9p c\u00e1c nh\u00e0 giao d\u1ecbch \u0111\u01b0a ra k\u1ebft lu\u1eadn c\u1ee7a ri\u00eang m\u00ecnh. Tri\u1ebft l\u00fd n\u00e0y \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh \u1edf t\u00ednh minh b\u1ea1ch c\u1ee7a d\u1eef li\u1ec7u.<\/p>\n
\u25cf Ngu\u1ed3n b\u00e1o gi\u00e1 c\u00f3 th\u1ec3 truy nguy\u00ean: N\u1ec1n t\u1ea3ng cung c\u1ea5p n\u00fat \u201ctruy xu\u1ea5t ngu\u1ed3n g\u1ed1c d\u1eef li\u1ec7u\u201d tr\u00ean giao di\u1ec7n b\u00e1o gi\u00e1. Sau khi nh\u1ea5p v\u00e0o, danh s\u00e1ch c\u00e1c nh\u00e0 t\u1ea1o l\u1eadp th\u1ecb tr\u01b0\u1eddng n\u01a1i \u0111\u01b0a ra b\u00e1o gi\u00e1 hi\u1ec7n t\u1ea1i, \u0111\u1ed9 s\u00e2u c\u1ee7a t\u1eebng b\u00e1o gi\u00e1 v\u00e0 d\u1ea5u th\u1eddi gian c\u1ee7a b\u1ea3n c\u1eadp nh\u1eadt m\u1edbi nh\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb. C\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 th\u1ea5y r\u00f5 gi\u00e1 giao d\u1ecbch c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh nh\u01b0 th\u1ebf n\u00e0o thay v\u00ec ch\u1ea5p nh\u1eadn nh\u1eefng con s\u1ed1 trong h\u1ed9p \u0111en m\u1ed9t c\u00e1ch th\u1ee5 \u0111\u1ed9ng.<\/p>\n
\u25cf Xem x\u00e9t v\u00e0 xu\u1ea5t d\u1eef li\u1ec7u l\u1ecbch s\u1eed: N\u1ec1n t\u1ea3ng n\u00e0y cung c\u1ea5p d\u1eef li\u1ec7u l\u1ecbch s\u1eed c\u1ea5p \u0111\u1ed9 ph\u00fat trong t\u1ed1i \u0111a 10 n\u0103m, bao g\u1ed3m v\u00e0ng, b\u1ea1c, b\u1ea1ch kim, palladium v\u00e0 c\u00e1c t\u00e0i s\u1ea3n ch\u00ednh c\u00f3 li\u00ean quan (ch\u1ec9 s\u1ed1 \u0111\u00f4 la M\u1ef9, l\u00e3i su\u1ea5t tr\u00e1i phi\u1ebfu M\u1ef9, d\u1ea7u th\u00f4, v.v.). C\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 mi\u1ec5n ph\u00ed t\u1ea3i xu\u1ed1ng d\u1eef li\u1ec7u n\u00e0y \u0111\u1ec3 ph\u00e2n t\u00edch ngo\u1ea1i tuy\u1ebfn v\u00e0 c\u0169ng c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh ki\u1ec3m tra ng\u01b0\u1ee3c t\u00f9y ch\u1ec9nh tr\u1ef1c ti\u1ebfp trong n\u1ec1n t\u1ea3ng. S\u1ef1 c\u1edfi m\u1edf n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 giao d\u1ecbch x\u00e1c minh c\u00e1c gi\u1ea3 \u0111\u1ecbnh chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a ch\u00ednh h\u1ecd thay v\u00ec tin t\u01b0\u1edfng m\u1ed9t c\u00e1ch m\u00f9 qu\u00e1ng v\u00e0o k\u1ebft lu\u1eadn c\u1ee7a ng\u01b0\u1eddi kh\u00e1c.<\/p>\n
\u25cf Tr\u1ef1c quan h\u00f3a chi\u1ec1u s\u00e2u th\u1ecb tr\u01b0\u1eddng: Trong giao di\u1ec7n s\u1ed5 \u0111\u1eb7t h\u00e0ng, WMAX tr\u00ecnh b\u00e0y vi\u1ec7c ph\u00e2n b\u1ed5 c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng \u0111ang ch\u1edd x\u1eed l\u00fd t\u1eeb ng\u01b0\u1eddi mua v\u00e0 ng\u01b0\u1eddi b\u00e1n d\u01b0\u1edbi d\u1ea1ng bi\u1ec3u \u0111\u1ed3 v\u00e0 \u0111\u00e1nh d\u1ea5u c\u00e1c khu v\u1ef1c thi\u1ebfu thanh kho\u1ea3n v\u00e0 thi\u1ebfu thanh kho\u1ea3n. C\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 tr\u1ef1c quan nh\u00ecn th\u1ea5y \u1edf m\u1ee9c gi\u00e1 n\u00e0o c\u00f3 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn h\u1ed7 tr\u1ee3 l\u1ec7nh mua ho\u1eb7c ng\u0103n ch\u1eb7n l\u1ec7nh b\u00e1n, \u0111\u1ec3 \u0111\u1eb7t \u0111i\u1ec3m v\u00e0o v\u00e0 \u0111i\u1ec3m d\u1eebng l\u1ed7 m\u1ed9t c\u00e1ch khoa h\u1ecdc h\u01a1n. S\u1ef1 minh b\u1ea1ch n\u00e0y l\u00e0m gi\u1ea3m nh\u1eefng \u0111\u00e1nh gi\u00e1 sai l\u1ea7m do s\u1ef1 b\u1ea5t c\u00e2n x\u1ee9ng th\u00f4ng tin g\u00e2y ra.<\/p>\n
Ph\u1ea7n k\u1ebft lu\u1eadn<\/p>\n
Giao d\u1ecbch kim lo\u1ea1i qu\u00fd l\u00e0 m\u1ed9t ngh\u1ec1 \u0111\u00f2i h\u1ecfi ph\u1ea3i h\u1ecdc h\u1ecfi li\u00ean t\u1ee5c. Th\u1ecb tr\u01b0\u1eddng li\u00ean t\u1ee5c thay \u0111\u1ed5i, c\u00e1c bi\u1ebfn s\u1ed1 v\u0129 m\u00f4 m\u1edbi \u0111ang xu\u1ea5t hi\u1ec7n v\u00e0 logic \u0111\u1ecbnh gi\u00e1 c\u0169 c\u0169ng c\u00f3 th\u1ec3 b\u1ecb ph\u00e1 b\u1ecf. Theo ngh\u0129a n\u00e0y, m\u1ed9t nh\u00e0 giao d\u1ecbch lu\u00f4n l\u00e0 m\u1ed9t sinh vi\u00ean.<\/p>\n
Vai tr\u00f2 c\u1ee7a n\u1ec1n t\u1ea3ng giao d\u1ecbch WMAX l\u00e0 tr\u1edf th\u00e0nh nh\u00e0 cung c\u1ea5p t\u00e0i li\u1ec7u v\u00e0 c\u00f4ng c\u1ee5 gi\u1ea3ng d\u1ea1y c\u00f3 th\u1ea9m quy\u1ec1n. N\u00f3 kh\u00f4ng h\u1ee9a h\u1eb9n s\u1ebd th\u00e0nh th\u1ea1o m\u1ecdi th\u1ee9 trong m\u1ed9t s\u1edbm m\u1ed9t chi\u1ec1u, nh\u01b0ng n\u00f3 cung c\u1ea5p m\u1ed9t l\u1ed9 tr\u00ecnh h\u1ecdc t\u1eadp c\u00f3 c\u1ea5u tr\u00fac, m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 d\u1eef li\u1ec7u minh b\u1ea1ch v\u00e0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng t\u00f4n tr\u1ecdng t\u01b0 duy \u0111\u1ed9c l\u1eadp. Khi b\u1ea1n d\u1ea7n d\u1ea7n hi\u1ec3u \u0111\u01b0\u1ee3c logic v\u0129 m\u00f4 \u0111\u1eb1ng sau gi\u00e1 v\u00e0ng v\u00e0 hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1ecbp \u0111\u1eadp c\u00f4ng nghi\u1ec7p c\u1ee7a xu h\u01b0\u1edbng b\u1ea1c, m\u1ecdi quy\u1ebft \u0111\u1ecbnh giao d\u1ecbch m\u00e0 b\u1ea1n \u0111\u01b0a ra s\u1ebd t\u1ef1 tin h\u01a1n.<\/p>\n
V\u00e0 lo\u1ea1i t\u1ef1 tin n\u00e0y l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u th\u1ef1c s\u1ef1 cho giao d\u1ecbch \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i.<\/p>","protected":false},"excerpt":{"rendered":"
\u0110\u1eb1ng sau s\u1ef1 bi\u1ebfn \u0111\u1ed9ng gi\u00e1 c\u1ee7a kim lo\u1ea1i qu\u00fd l\u00e0 nhi\u1ec1u \u0111\u1ed9ng l\u1ef1c c\u1ee7a kinh t\u1ebf v\u0129 m\u00f4, cung c\u1ea7u v\u00e0 t\u00e2m l\u00fd. B\u00e0i vi\u1ebft n\u00e0y xem x\u00e9t c\u00e1c thu\u1ed9c t\u00ednh ti\u1ec1n t\u1ec7 c\u1ee7a v\u00e0ng, t\u00ednh hai m\u1eb7t c\u00f4ng nghi\u1ec7p c\u1ee7a b\u1ea1c v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m t\u1eadp trung ngu\u1ed3n cung c\u1ee7a b\u1ea1ch kim v\u00e0 palladium, \u0111\u1ed3ng th\u1eddi gi\u1edbi thi\u1ec7u c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 b\u1ea3n \u0111\u1ed3 h\u1ec7 s\u1ed1 \u0111\u1ecbnh gi\u00e1 t\u01b0\u01a1ng t\u00e1c, b\u1ea3ng so s\u00e1nh s\u1ea3n ph\u1ea9m v\u00e0 m\u00f4 ph\u1ecfng k\u1ecbch b\u1ea3n v\u0129 m\u00f4 \u0111\u1ec3 gi\u00fap c\u00e1c nh\u00e0 giao d\u1ecbch thi\u1ebft l\u1eadp m\u1ed9t khu\u00f4n kh\u1ed5 nh\u1eadn th\u1ee9c th\u1ecb tr\u01b0\u1eddng c\u00f3 h\u1ec7 th\u1ed1ng t\u1eeb l\u00fd thuy\u1ebft \u0111\u1ebfn th\u1ef1c ti\u1ec5n.<\/p>","protected":false},"author":1,"featured_media":11293,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[122],"tags":[1683,1518,1684],"class_list":["post-11292","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorial","tag-1683","tag-1518","tag-1684"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/11292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/comments?post=11292"}],"version-history":[{"count":1,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/11292\/revisions"}],"predecessor-version":[{"id":11294,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/posts\/11292\/revisions\/11294"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/media\/11293"}],"wp:attachment":[{"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/media?parent=11292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/categories?post=11292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kpai1.cn\/vi\/wp-json\/wp\/v2\/tags?post=11292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}