Leveraged Inverse ETFs Gain Popularity Amid Market Volatility Inverse ETFs, such as ProShares UltraPro Short S&P 500 (SPXU), are gaining traction as traders seek protection against market downturns. These funds offer leveraged exposure, with SPXU providing 3x inverse performance of the S&P 500. However, their daily resetting nature requires careful monitoring due to potential compounding effects over time.2