...NEW YORK (S&P Global Ratings) March 22, 2018--S&P Global Ratings today said it assigned its '##-f' fund credit quality rating (FCQR) and '##' fund volatility rating (FVR) on the iShares iBonds Dec 2024 Term Muni Bond ETF. Given the fund is new and expected to launch soon, we have assessed the fund's respective index portfolio to determine the fund credit quality. The '##-f' FCQR signifies that the credit quality of the fund's portfolio exposure is very strong. The iShares iBonds Dec 2024 Term Muni Bond ETF seeks to track the investment results of an index composed of investment-grade U.S. municipal bonds maturing after Dec. 31, 2023, and before Dec. 2, 2024. The fund seeks to meet its investment objective generally by investing in individual securities that satisfy the criteria of the S&P AMT-Free Municipal Series Dec 2024 Index, which measures the performance of investment-grade (as determined by S&P Dow Jones Indices LLC), noncallable U.S. municipal bonds maturing in 2024. The underlying...