The ProShares UltraPro Short S&P 500 ETF (SPXU) is a leveraged instrument designed to multiply the inverse returns of the S&P 500 index. This means that for every 1% drop in the S&P 500, SPXU seeks to increase by 3%. https://harleygbwl893695.activablog.com/31448250/exploring-spxu-a-deep-dive-into-proshares-ultrapro-short-s-p-500-etf-performance