PROSHARES TRUST ULTRA VIX SHORT TERM FUTURES ETF ETF

The investment seeks daily investment results, before fees and expenses, that correspond to one and one-half times (1.5x) the performance of the S&P 500 VIX Short-Term Futures Index for a single day. The index seeks to offer exposure to market volatility through publicly traded futures markets and is designed to measure the implied volatility of the S&P 500 over 30 days in the future.