The weekly average yield to maturity of the Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, fell four basis points the week of Sept. 25 to 4.42%.
The 20-Bond GO Index of 20-year general obligation yields fell six basis points to 4.11%, the lowest since the week of Aug.. 4.
The 11-Bond GO Index of higher-grade 20-year GO yields slipped six basis points to 3.96%, the lowest since the week of Aug. 4.
The Bond Buyer's 25-bond Revenue Bond Index dropped 12 basis points to 4.78%, the lowest since the week of June 26.
The yield on the U.S. Treasury's 10-year note fell 12 basis points to 2.51%, the lowest since the week of Aug. 4.
The yield on the Treasury's 30-year bond fell 14 basis points to 3.22%, the lowest since the week of Aug. 4.
