The Stock Market (S&P 500) has returned on average 1.4% per month and the Volatility ETF (VXX) has returned -4.6% per month. This data goes back to 2009. Where the returns have a -0.76 correlation. Monthly Returns SPY VXX count 154 154 mean 1.4% -4.6% std 4.1% 19.3% min -12.5% -35.2% 25% -0.6% -15.6% 50% 1.9% -8.6% 75% 3.7% 2.3% max 12.7% 102.8% The Monthly Return Distributions SPY and VXX Monthly Returns - unpackinvesting.com Takeaways SPY and VXX are strongly negatively correlated with -0.76 since VXX inception The monthly magnitude of returns is about -3x times with almost 5x times the volatility. With the strong negative correlation and greater volatility VXX can make a great hedging vehicle for SPY or shorting VXX can be utilized as a more capital efficient exposure tool (leverage). Further interesting research can include testing if VIX levels have any forecasting ability in SPY and VXX in returns or volatility