The weekly average yield to maturity of The Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, declined to 4.07% from 4.09% the week before.
The Bond Buyer's 20-Bond GO Index of 20-year general obligation yields dipped one basis point to 4.09% from 4.10% in the previous week. It is at its lowest level since Sept. 13, when it was at 4.06%.
The 11-bond GO Index of higher-grade 11-year GOs declined to 3.58% from 3.59% in the previous week. It is at its lowest level since 15 weeks ago, when it was 3.53%.
The Bond Buyer's Revenue Bond Index was two basis points lower to 4.56% from 4.58% the week before. It is at its lowest level since Sept. 6, when it was at 4.49%.
The yield on the U.S. Treasury's 10-year note fell to 2.56% from 2.77%, while the yield on the 30-year Treasury decreased to 2.92% from 3.06%.
