BMO S&P 500 Index ETF (TSX: ZSP) is an exchange-traded fund which was incorporated. The platform is said to function along the lines of a broad United States-based index to a certain extent. It is a market cap-based index of securities of the biggest 500 public issuers in the United States. The index mostly functions as a measure of the broad stock market performance in the US. The ETF began in November 2012 and its fund manager is BMO Asset Management Inc.