The SPDR S&P 500 Fund (SPY) is the busiest underlier with 608,000 contracts, 390,000 of which are puts. The CBOE Volatility Index (VIX) sees volume of 204,000, with calls outpacing puts better than 2 to 1. Not far behind are the S&P 500 Index (SPX) options with 190,000. Puts in that index outnumber calls by more than 2 to 1.
The iShares Russell 2000 Fund (IWM) has 102,000 contracts changing hands and put to call ratio of 4 to 1. The PowerShares QQQ Trust (QQQ) follows closely behind at 101,000, with 64,000 of those puts.
The SPDR Gold Shares Fund (GLD) has 60,000 options traded. Calls outpacing puts by 3 to 1, so the activity remains bullish.
