The weekly average yield to maturity of the Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, was down seven basis points this past week, to 4.50% for the week ending May 29.
The 20-Bond GO Index of 20-year general obligation yields slipped two basis points to 4.26%, after climbing two basis points from the week prior.
The 11-Bond GO Index of higher-grade 20-year GO yield slid three basis points to 4%, erasing the increase the week before.
The Bond Buyer's Revenue Bond Index, which measures 25-year revenue bond yields, fell two basis points to 4.79%, after remaining steady for two weeks.
The yield on the U.S. Treasury's 10-year note was down 11 basis points at 2.45% after falling 6 basis points the prior week.
The yield on the Treasury's 30-year bond dipped 12 basis point to 3.31%, after losing 10 basis points the week before.
