1> 买两个PUT
买一个股指
2> 买或卖个PUT, 然后高或低, 在买卖一个PUT
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2024 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
