The weekly average yield to maturity of The Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, rose two basis points to 3.90% from 3.88% in the previous week.
The Bond Buyer's 20-Bond GO Index of 20-year general obligation was unchanged at 3.26% from the prior week. It is at its lowest level since Aug. 26, 1965 when it stood at 3.25%.
The 11-Bond GO Index of higher-grade 20-year GO yields was flat at 2.78% from the previous week. It is at its lowest level since April 24, 1958 when it was at 2.78%.
The Bond Buyer's Revenue Bond Index was steady at 3.48% from last week, remaining at a new low since the data began being counted in Sept. 20, 1979.
The yield on the U.S. Treasury's 10-year note was one basis point down to 1.84% from 1.85%, while the yield on the Treasury's 30-year was unchanged at 2.64% from in the prior week.