Trading Volatility Persists for SRTY as Market Cap Holds Near $84 Million SRTY, the ProShares UltraPro Short Russell2000 ETF, continues to show substantial daily swings, with a recent price of $27.43 and a market cap of $83.87 million. While underperforming the market over the past year, SRTY has outpaced broad indices over the last quarter, highlighting its high-risk, high-reward profile.12