详见http://www.marketwatch.com/story/this-unusual-options-trade-signals-that-wall-street-is-bracing-for-a-black-swan-2015-10-13
• mm 大肆收购 out of money 额普信啦 ~~ -exds- ♀ (0 bytes) () 10/13/2015 postreply 18:46:16