ProShares UltraShort Euro (EUO), issued by ProShares Trust II and managed by ProShare Advisors LLC, seeks daily investment results that correspond to two times the inverse (-2x) of the daily performance of the euro versus the U.S. dollar, utilizing derivatives such as euro/U.S. dollar forward contracts from counterparties including UBS and Goldman Sachs; the fund provides leveraged inverse exposure to the Bloomberg EUR/USD exchange rate for investors seeking to profit from euro depreciation or hedge currency risk. Launched on November 24, 2008, with ticker EUO (CUSIP 74347W882), intraday indicative value EUO.IV, a 0.95% expense ratio, quarterly distributions, and options availability, it calculates NAV at 4:00 p.m. ET and trades on U.S. exchanges with assets under management around $35 million. ProShares, headquartered in Bethesda, Maryland and founded in 1999 as part of the broader ProShare group pioneering ETFs since 2006, operates globally through its extensive lineup of over 150 leveraged, inverse, and other strategic ETFs targeting equities, fixed income, commodities, currencies, and volatility, serving institutional and retail investors via distributors like SEI Investments Distribution Co. Recent developments include surpassing $100 billion in assets under management across ETFs and affiliated mutual funds ProFunds in 2025, opening a new New York office in Hudson Yards, strengthening distribution with three key regional vice president hires in September 2025, and launching innovative products such as the patent-pending Dynamic Buffer ETF suite in June 2025 for adaptive volatility protection on U.S. stock indexes.