對衝就像買保險，用來降低風險，是有成本的，這會降低你的投資回報，成本投入多少取決於你對於你的持倉需要多少保險。

來源: parentb 於 2024-10-14 05:13:15 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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