The weekly average yield to maturity of The Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, rose two basis points to 3.95% in the week ending Nov. 21 from 3.93% in the previous week.
The Bond Buyer's 20-Bond GO Index of 20-year general obligation yields fell one basis point to 3.51% from 3.52% in the previous week. Based on the past nine months, it is at its lowest level since Nov. 8 when it was at 3.49%.
The 11-Bond GO Index of higher-grade 11-year GO was unchanged from 3.01% the previous week. It is at its lowest level since Nov. 8 when it was 2.99%.
The Bond Buyer's Revenue Bond Index gained six basis points to 3.97% from 3.91% last week. It is at its highest level since Nov. 2 when it was at 4.04%.
The yield on the U.S. Treasury's 10-year note was steady from 2.37% in the previous week, while the yield on the Treasury's 30-year fell to 2.76% from 2.82% in the prior week.