In the week ended May 23, the weekly average yield to maturity of the Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, was unchanged from 3.75% the previous week.
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The Bond Buyer's 20-bond GO Index of 20-year general obligation yields dipped one basis point to 3.56% from 3.57% the week before. It is at its lowest level since Dec. 14, 2017, when it was at 3.41%.
The 11-bond GO Index of higher-grade 11-year GOs was unchanged from 3.10% the previous week. It is at its lowest level since Jan. 18, 2018, when it was at 3.02%.
The Bond Buyer's Revenue Bond Index was flat at 4.05% from the week before. It is at its lowest level since Jan. 18, 2018, when it was at 4.01%.
The yield on the U.S. Treasury's 10-year note was lower to 2.31% from 2.40%, while the yield on the 30-year Treasury sunk to 2.75% from 2.84%.