The SPDR S&P 500 Fund (SPY) has 620,000 contracts traded, 432,000 of which are puts. The iShares Russell 2000 Fund (IWM) is next with 208,000 options as puts slightly outpace calls. The S&P 500 Index (SPX) options follow with volume of 174,000, including 107,000 puts.
The PowerShares QQQ Trust (QQQ) options have turned over 143,000 times, with 85,000 puts. The CBOE Volatility Index (VIX) contracts have traded 125,000 times, with calls outnumbering puts by 3 to 1. The iPath S&P 500 VIX Short-Term Futures ETN (VXX) has 69,000 options changing hands, with 38,000 calls.
