ProShares Short QQQ PSQ The ProShares Short QQQ seeks daily investment results, before fees and expenses, that correspond to the inverse of the daily performance of the NASDAQ-100 Index. Proshares Short QQQ (PSQ): ETF Research Reports The Dow Jones Industrial Average fell 640 points on Monday, marking its worst day since June (per CNBC), as the summer rally faded and fears of faster interest rate hikes returned to Wall Street.The Fed will likely hike rates by 50 basis points in September amid higher inflation and growing recession worries, according to economists in a Reuters poll.