The ProShares UltraPro Short S&P 500 ETF (SPXU) is a leveraged instrument designed to enhance the inverse returns of the S&P 500 index. This means that for every 1% drop in the S&P 500, SPXU aims to increase by 3%. https://jasonetml422867.onesmablog.com/exploring-spxu-a-deep-dive-into-proshares-ultrapro-short-s-p-500-etf-performance-72709644