估计是做空股票期权。他自己说了轻仓,账号里面大量现金。估计就是留作预备用的。
估计是做空股票期权
所有跟帖:
• margin requirement to have a lot of cash. up and down, selling -silentcreek- ♀ (0 bytes) () 06/28/2017 postreply 08:19:00
• margin requirement to have a lot of cash. up and down, selling -silentcreek- ♀ (0 bytes) () 06/28/2017 postreply 08:19:00
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