In the week ended Dec. 28, the weekly average yield to maturity of the Bond Buyer Municipal Bond Index fell to 3.91% from 3.93% the previous week. The BB40 Index is based on the price of 40 long-term bonds.
The Bond Buyer's 20-Bond GO Index of 20-year general obligation yields dropped 12 basis points to 3.44% from 3.56% in the previous week. It is at its lowest level since Dec. 14, when it was at 3.41%.
The 11-Bond GO Index of higher-grade 11-year GO was 12 basis points lower to 2.94% from 3.06% the previous week. It is at its lowest level since three weeks ago, when it was at 2.91%.
The Bond Buyer's Revenue Bond Index tumbled 12 basis points to 3.92% from 4.04% last week. It is at its lowest level since Dec. 14, when it was at 3.89%.
The yield on the U.S. Treasury's 10-year note decreased to 2.43% from 2.49% in the previous week, while the yield on the Treasury's 30-year declined to 2.76% from 2.84% in the prior week.