卖call的可能是covered call, 也就是说iwm每股赚几块就落袋为安。 买call的赚超出的部分。两人都赚。
卖call的可能是covered call, 也就是说iwm每股赚几块就落袋为安。 买call的赚超出的部分。两人都赚。
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