Eaton Vance Tax-Managed Buy-Write Opportunities Fund is a closed-ended equity mutual fund launched and managed by Eaton Vance Management. It is co-managed by Parametric Portfolio Associates and Rampart Investment Management. The fund invests in the public equity markets of the United States. It seeks to invest in the stocks of companies operating across the diversified sectors. The fund invests in derivatives market and employs options strategy of writing index call options. It benchmarks the performance of its portfolio against the S&P 500 Index, the CBOE S&P 500 BuyWrite Index, the NASDAQ-100 Index, and the CBOE NASDAQ-100 BuyWrite Index. Eaton Vance Tax-Managed Buy-Write Opportunities Fund was formed on June 30, 2005 and is domiciled in the United States.