While mining companies produced some of the highest total returns, none of them made it into the top 10 risk-adjusted ranking because, as a group, they were about twice as volatile as the ETFs. Options show investors are ... stay less volatile. The Gold ETF Volatility Index (GVZ), based on prices for options on the SPDR Gold Trust, the largest ETP backed by the metal, is trading near the lowest level since July, signaling that traders don't expect big price swings.http://reliance-industries.com/