The weekly average yield to maturity of the Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, was up four basis points this past week, to 4.57 for the week ending May 22.
The 20-Bond GO Index of 20-year general obligation yields inched up two basis points to 4.28%, after falling five basis points from the week prior.
The 11-Bond GO Index of higher-grade 20-year GO yield also climbed two basis points to 4.03%, erasing the decline the week before.
The Bond Buyer's Revenue Bond Index, which measures 30-year revenue bond yields, was unchanged this week at 4.81%, the lowest since June 20.
The yield on the U.S. Treasury's 10-year note was up six basis points at 2.56% after falling 12 basis points the prior week.
The yield on the Treasury's 30-year bond edged up 10 basis point to 3.43%, after losing 10 basis points the week before.
