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 4.04% the week before.
The Bond Buyer's 20-Bond GO Index of 20-year general obligation yields dropped 10 basis points to 4.09% from 4.19% the week before. It is at its lowest level since Jan. 3, when it was also at 4.09%.
The 11-bond GO Index of higher-grade 11-year GOs fell 10 basis points to 3.56% from 3.66% in the previous week. It is at its lowest level since Sept. 13, 2018, when it was at 3.53%.
The Bond Buyer's Revenue Bond Index declined 10 basis points to 4.56% from 4.66% the week before. It is at its lowest level since Jan. 3, when it was at 4.56%.
The yield on the U.S. Treasury's 10-year note was lower to 2.64% from 2.73%, while the yield on the 30-year Treasury tumbled to 3.03% from 3.10%.