賣call的可能是covered call, 也就是說iwm每股賺幾塊就落袋為安。 買call的賺超出的部分。兩人都賺。
賣call的可能是covered call, 也就是說iwm每股賺幾塊就落袋為安。 買call的賺超出的部分。兩人都賺。
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