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Financial Select Sector SPDR ETF Message Board

  • txplunger txplunger Aug 4, 2007 12:28 PM Flag

    XLF Option Open Interest

    Wow, talk about a crowded trade. It has worked great, for sure, but look at the enormously lopsided put open interest. The EFT closed almost at the money on the 32 strike. There were almost 12X as many August 32 puts open as there are Aug 32 calls as of Friday's close (although I think this data may lag by one day - I think the open interest reported at Monday's close will reflect Friday's trading). Moreover, there were almost 40X as many Aug 32 puts vs. calls traded on Friday. Since I think the open interest data lags, I would guess most of Friday's put trading was newly opened positions. And what a day - Friday's volume exceeded the prior open interest in the 32 strike.

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