比如说,我卖Jan 27 $300 Call。如果到时候被Call 走也就认了
同理我ER前还准备卖Jan 26 $200 Call
比如说,我卖Jan 27 $300 Call。如果到时候被Call 走也就认了
同理我ER前还准备卖Jan 26 $200 Call
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