The weekly average yield to maturity of The Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, was unchanged from 4.13% the week before.
The Bond Buyer's 20-Bond GO Index of 20-year general obligation yields dropped seven basis points to 4.11% from 4.18% 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 decreased to 3.60% from 3.67% in the previous week. It is at its lowest level since 14 weeks ago, when it was 3.53%.
The Bond Buyer's Revenue Bond Index fell six basis points to 4.59% from 4.65% the week before. It is at its lowest level since Dec. 6, when it was at 4.58%.
The yield on the U.S. Treasury's 10-year note was lower to 2.80% from 2.91%, while the yield on the 30-year Treasury decreased to 302% from 3.16%.