For the week ended July 23, the weekly average yield to maturity of the Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, decreased four basis points to 4.44%, from 4.48% the previous week.
The Bond Buyer's 20-Bond GO Index of 20-year general obligation was seven basis points lower to 3.75% from 3.82% for the week ended July 16. It is at its lowest level since May 28, when it stood at 3.73%.
The 11-Bond GO Index of higher-grade 20-year GO yields fell seven basis points to 3.28% from 3.35% from the prior week. It is at its lowest level since Jan. 29, when it stood at 3.21%.
The Bond Buyer's Revenue Bond Index dropped eight basis points to 4.15%, from 4.23% from the week ended July 16. It is at its lowest level since 25 weeks ago, when it stood at 4.06%.
The yield on the U.S. Treasury's 10-year note declined eight basis points to 2.27% from 2.35%, while the yield on the Treasury's 30-year bond was down 14 basis points to 2.97%, from 3.11% the week before.