對衝主要是用來彌補不確定性。很多都用到期貨。對未來的預期。總歸還是某種預期大於反向預期。

來源: juicecup3 於 2024-10-14 05:52:00 [舊帖] [給我悄悄話] 本文已被閱讀：次

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