刚刚在学opion, 是否买put or call 都是buy to open, close opion 是sell头close?
卖put 是call 是sell to open,close opion 是 sell to close?
多谢!
刚刚在学opion, 是否买put or call 都是buy to open, close opion 是sell头close?
卖put 是call 是sell to open,close opion 是 sell to close?
多谢!