In the week ended Dec.29, the weekly average yield to maturity of the Bond Buyer Municipal Bond Index fell seven basis points to 4.28% from 4.35% in the previous week. The BB40 Index is based on the price of 40 long-term bonds.
The Bond Buyer's 20-Bond GO Index of 20-year general obligation yields were five basis points lower to 3.78% from 3.83% in the prior week. It is at its lowest level since Dec. 8, when it was at 3.78%.
The 11-Bond GO Index of higher-grade 20-year GO yields dropped five basis points to 3.31% from 3.36% in the previous week. It is at its lowest level since Nov. 1, when it was at 3.30%.
The Bond Buyer's Revenue Bond Index fell six basis points to 3.90% from 3.96% last week. It is at its lowest level since Dec. 8, when it was at 3.87%.
The yield on the U.S. Treasury's 10-year note was seven basis points lower to 2.48% from 2.55%, while the yield on the Treasury's 30-year bond decreased four basis points to 3.08% from 3.12% in the prior week.