The Eaton Vance Tax-Managed Global Buy-Write Opportunities Fund (ETW) is structured as a closed-end equity investment vehicle. Its primary management responsibilities lie with Eaton Vance Management, with supplemental oversight from Parametric Portfolio Associates LLC. This fund allocates capital to publicly traded companies across international stock markets, seeking diversification across numerous industry sectors. A core aspect of its investment approach involves selling call options on various U.S. and foreign indices, covering a significant portion of its common stock assets. Established on September 30, 2005, and domiciled within the United States, the fund assesses its performance against several benchmarks, including the S&P 500 Index, the CBOE S&P 500 BuyWrite Index, the CBOE NASDAQ-100 BuyWrite Index, and the FTSE Eurotop 100 Index.