成本不是0吧，股票当时现价好像是低于970？

所有跟帖： 

• 990 只是一个比喻。是whatever price he was about to sell at that time -三心三意- ♂ (0 bytes) () 05/26/2025 postreply 21:28:42

• if you are about to click sell at "x" price, you can buy put -三心三意- ♂ (0 bytes) () 05/26/2025 postreply 21:29:26

• 唯一的缺点是股票涨飞，错过了买到正股。不过如果已经有很大仓位也就不在乎了 -云起千百度- ♀ (0 bytes) () 05/26/2025 postreply 21:33:28

• No.这个例子买put，卖cc，可能卖飞股票，哈哈，不会买股票 -BrightLine- ♂ (0 bytes) () 05/26/2025 postreply 21:35:36

• LOL，我今晚脑子已经不转了。 -云起千百度- ♀ (0 bytes) () 05/26/2025 postreply 21:39:37

• “可能卖飞股票” --- 所以前题条件是你已经决定要卖股票了 -三心三意- ♂ (0 bytes) () 05/26/2025 postreply 21:41:41