New volatility indexes help gauge ETF risk By: MarketWatch March 20, 2011 at 13:32 PM EDT Investors get new tools to measure risk in their portfolios with volatility indexes based on ETF options. Read More >> Related Stocks: Brazil Ishares MSCI ETF CBOE Global Markets Inc CBOE Volatility Index China Largecap Ishares ETF Crude Oil VIX Emrg Mkts Ishares MSCI ETF Energy Select Sector SPDR Gold VIX SPDR GOLD Silver Trust Ishares Standard & Poors 500 United States Oil Fund