For the week ended July 9, the weekly average yield to maturity of the Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, decreased three basis points to 4.45%, from 4.48% the previous week.
The Bond Buyer's 20-Bond GO Index of 20-year general obligation was nine basis points lower to 3.76% from 3.85% for the week ended July 2. 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 nine basis points to 3.33% from 3.42% from the prior week. It is at its lowest level since April 16, when it stood at 3.30%.
The Bond Buyer's Revenue Bond Index dropped six basis points to 4.19%, from 4.25% from the week ended July 2. It is at its lowest level in 13 weeks, when it stood at 4.18%.
The yield on the U.S. Treasury's 10-year note declined seven basis points to 2.31% from 2.38%, while the yield on the Treasury's 30-year bond was down seven basis points to 3.11% from 3.18% the week beforehand.