LAO DA

来源: fishpet1 于 2014-12-10 09:32:15 [] [旧帖] [给我悄悄话] 阅读数 : (122 bytes)
回答: 20年数据解读OE日 由 雾灵十二少 于 2014-12-10 09:16:42

you are great
finally i understand why the Feb put option volume get so larger than call in this week for all ETF

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