SPY Aug 2013 168.000 call (SPY130823C00168000) -OPR 0.28 Down 0.28(50.00%) Aug 16 Add to Portfolio Prev Close: 0.56 Open: 0.54 Bid: 0.27 Ask: 0.30 Strike: 168.00 Expire Date: 23-Aug-13 Day's Range: 0.28 - 0.54 Contract Range: N/A - N/A Volume: 23,734 Open Interest: 13,589