WisdomTree S&P 500 5x Daily Short is a UCITS eligible and fully collateralised Exchange Traded Product (ETP) designed to provide investors with leveraged short exposure to the S&P 500 Futures (0930-1600 ET) ER Index. This index tracks the performance of the nearest maturing quarterly E-mini S&P 500 futures contracts on the Chicago Mercantile Exchange, reflecting the broad US equity market through 500 large-cap stocks across major industries. The ETP delivers a total return of -5 times the daily performance of the index, plus interest revenue adjusted for fees and costs, using a fully collateralised swap replication method. Structured as a debt security and domiciled in Ireland, it offers transparency, liquidity through exchange trading with authorised participants and market makers, and risk management features where losses are limited to the amount invested. Collateral is held in segregated accounts at The Bank of New York Mellon, marked to market daily to mitigate counterparty risk. Base currency is USD, and it is passported across several European countries for accessibility to sophisticated investors seeking short-term tactical positions.