The weekly average yield to maturity of the Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, dropped one basis point the week ending Aug. 28 to 4.44%.
The 20-Bond GO Index of 20-year general obligation yields fell four basis points to 4.17%, the lowest since June 6, 2013.
The 11-Bond GO Index of higher-grade 20-year GO yields fell four basis points to 3.90%, the lowest since June 6, 2013.
The Bond Buyer's 25-bond Revenue Bond Index dropped five basis points to 4.80%, the lowest since June 19.
The yield on the U.S. Treasury's 10-year note fell seven basis points to 2.34%, the lowest since June 13, 2013.
The yield on the Treasury's 30-year bond declined 11 basis points to 3.08%, the lowest since May 9, 2013.
