Eaton Vance Tax-Managed Buy-Write Strategy Fund, formerly Eaton Vance Tax-Advantaged Bond and Option Strategies Fund, is a diversified closed-end management investment company. The Fund's investment objective is to provide tax-advantaged current income and gains. The Fund invests primarily in debt securities issued by municipalities. The Fund's investments include tax-exempt municipal securities, taxable municipal securities and short-term investments. The Fund invests in various sectors, which include bond banks, education, electric utilities, general obligations, hospital, lease revenue/certificates of participation, transportation, and water and sewer. Eaton Vance Management is the investment advisor to the Fund. Parametric Portfolio Associates LLC is the sub-advisor to the Fund.