NVDA为例，现在138

来源: 于 2025-02-15 15:17:27 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Bear Call Spread: Sell ？call and Buy  ？ call, with a credit of $？

Ratio Put Spread: Buy ？Put and Sell 2 ？ put, with a debit of $？