SPX (June 2011) 500-600 Call Spread (short, collect prem) 1,500- 1,400 Put Spread (short, collect prem) Bid 185.70 Mid 195.65 Ask 205.60...
I've got option chain data for 10-16 and 10-19 - after market close - for SPX. (FYI: Data is from TradeKing.) I'm looking at the open interest...
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