S&p 500 investment grade bond index
The S&P 500® A Rated Corporate Bond Index, a subindex of the S&P 500 Bond Index, seeks to measure the performance of U.S. corporate debt issued by The S&P 500® AA Rated Corporate Bond Index, a subindex of the S&P 500 Bond Index, seeks to measure the performance of U.S. corporate debt issued by The S&P U.S. Covered Bond Index comprises a universe of U.S. dollar- denominated investment-grade, U.S. domestic market pfandbrief and non- pfandbrief