猜spread那腿回報是負的，算買保險，DIP的時候賬戶少賠一點點，多一口氣看到反彈，路徑dependence的例子

來源: mobius 於 2025-10-26 10:38:01 [舊帖] [給我悄悄話] 本文已被閱讀：次

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