SUB - iShares Short-Term National Muni Bond ETF declares monthly distribution of $0.1588 March, 02 2023 01:22 PM iShares Short-Term National Muni Bond iShares Short-Term National Muni Bond ETF ( SUB ) - $0.1588 . 30-Day SEC Yield of 2.69% as of Feb. 28. Payable Mar 07; for shareholders of record Mar 02; ex-div Mar 01. For further details see: iShares Short-Term National Muni Bond ETF declares monthly distribution of $0.1588