從下圖看大部分交易是無效交易,但大跌時的確起到了避險作用。

從下圖看大部分交易是無效交易,但大跌時的確起到了避險作用。

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不錯。 20天線的估計點太多, 變成線了
-波段王-
♂
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12/28/2023 postreply
08:34:05
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