...July 15, 2021 NEW YORK (S&P Global Ratings) July 15, 2021--S&P Global Ratings today said it assigned its '##+f/##' fund credit quality rating (FCQR) and fund volatility rating (FVR) to the iShares iBonds Dec 2031 Term Treasury ETF sponsored by BlackRock Inc. The iShares exchange-traded fund (ETF) holds a diversified portfolio of U.S. Treasury bonds maturing between Jan. 1, 2031, and Dec. 15, 2031. The fund is a term fund that will terminate on or around Dec. 15, 2031, at which time it will distribute its remaining net assets to shareholders pursuant to a plan of liquidation. The iShares iBonds Dec 2031 Term Treasury ETF seeks to track the investment results of an index composed of U.S. Treasury bonds maturing in 2031. The fund seeks to meet its investment objective generally by investing in individual securities that satisfy the criteria of the ICE 2031 Maturity US Treasury Index. The fund may also invest in short-term paper, cash, and cash equivalents, including shares of money market...