The weekly average yield to maturity of the Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, was down one basis point from last week at 4.55% for the week ending June 26.
The 20-Bond GO Index of 20-year general obligation yields went down seven basis points to 4.29%, the lowest since May 29th.
The 11-Bond GO Index of higher-grade 20-year GO yield dropped eight basis points to 4.03%, after remaining at 4.11% for three weeks straight.
The Bond Buyer's Revenue Bond Index, which measures 25-year revenue bond yields, slipped four basis points to 4.76%, after remaining at 4.80% for two weeks straight.
The yield on the U.S. Treasury's 10-year note plunged 10 basis points to 2.53%, the lowest since October 24th.
The yield on the Treasury's 30-year bond dipped 13 basis points to 3.35%, the lowest since May 29th.
