Nuveen Build America Bond Opportunity Fund is a closed-end investment fund. The fund's objective is current income through investments in taxable municipal securities and its secondary objective is to seek enhanced portfolio value and total return. It invests primarily in a diversified portfolio of Build America Bonds, including taxable, tax exempt municipal securities, United States Treasury and other government securities. The company was founded on November 23, 2010 and is headquartered in Chicago, IL.