因為以前虧損虧怕了,才要上下做保護,又是put 又是call 的,以為花錢保損失,其實還是說明對股票及其走勢判斷不自信
本帖於 2025-07-03 03:09:29 時間, 由普通用戶 加州陽光123 編輯
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