CL OIV.XO CBOE/NYMEX WTI VOLATILITY INDEX CBOE INDEX CBOE
Alternate: OVX.XO CBOE CRUDE OIL VOLATILITY INDEX CBOE INDEX CBOE
GC GVX.XO CBOE/COMEX GOLD VOLATILITY INDEX CBOE INDEX CBOE
GLD uses GVZ.XO CBOE GOLD VOLATILITY INDEX CBOE INDEX CBOE
EUR/USD, USD/CHF, GBP/USD (i like it on any fx pair really) EVZ CBOE EuroCurrency ETF Volatility Index
SI VXSLV CBOE Silver ETF Volatility Index