In the week ended Nov. 29, the weekly average yield to maturity of the Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, fell to 4.21% from 4.23% last week.
The Bond Buyer's 20-Bond GO Index of 20-year general obligation yields declined to 4.22% from 4.26% in the previous week. It is at its lowest level since Sept. 17, when it was at 4.18%.
The 11-bond GO Index of higher-grade 11-year GOs decreased to 3.73% from 3.76% in the previous week. It is at its lowest level since Oct. 4, when it was 3.71%.
The Bond Buyer's Revenue Bond Index dropped to 4.68% from 4.75% the week before. It is at its lowest level since Oct. 4, when it was also at 4.75%.
The yield on the U.S. Treasury's 10-year note fell to 3.03% from 3.07%, while the yield on the 30-year Treasury inched up to 3.33% from 3.32%.
