...November 21, 2022 NEW YORK (S&P Global Ratings) Nov. 21, 2022--S&P Global Ratings today said it raised its fund credit quality ratings (FCQRs) and fund volatility ratings (FVRs) on four exchange-traded funds managed by BlackRock Inc.: - iShares iBonds 2023 Term High Yield and Income ETF (IBHC) to '##-f/##' from 'B+f/##', - iShares iBonds Dec 2023 Term Muni Bond ETF (IBML) to '##+f/##+' from 'AAf/##', - iShares iBonds Dec 2023 Term Treasury ETF (IBTD) to 'AAAf/##+' from '##+f/##', and - iShares iBonds Dec 2023 Term Corporate ETF (IBDO) to 'Af/##+' from 'A-f/##'. We raised the fund ratings because all four of these exchange-traded funds (ETFs) are term funds that will terminate on or before Dec. 15, 2023. During the year of termination, as bonds mature, cash balances increase and the fund's portfolio credit quality typically improves. This is reflective of our fund credit quality methodology, which applies credit factors to a fund's underlying investments that are differentiated by rating...