Eaton Vance TaxManaged BuyWrite Opportunities Fund is a closedended equity mutual fund launched and managed by Eaton Vance Management It is comanaged by Parametric Portfolio Associates LLC The fund invests in the public equity markets of the United States It seeks to invest in stocks of companies operating across diversified sectors The fund also writes call options on one or more US indices on a substantial portion of the value of its common stock portfolio It benchmarks the performance of its portfolio against the SP 500 Index the CBOE SP 500 BuyWrite Index the NASDAQ100 Index and the CBOE NASDAQ100 BuyWrite Index Eaton Vance TaxManaged BuyWrite Opportunities Fund was formed on June 30 2005 and is domiciled in the United States