The weekly average yield to maturity of The Bond Buyer Municipal Bond Index, which is based on 40 long-term bond prices, rose three basis points to 4.22% from the previous week's 4.19%.
The Bond Buyer's 20-Bond GO Index of 20-year general obligation yields was unchanged from 3.82% in the prior week. It is at its highest level since April 6 when it was at 3.83%.
The 11-Bond GO Index of higher-grade 20-year GO yields was flat from 3.33% in the previous week. It is at its highest level since it was at 3.34% three weeks ago.
The Bond Buyer's Revenue Bond Index gained one basis point to 4.03%, from 4.02% last week. It is at its highest level since March 30 when it was at 4.03%.
The yield on the U.S. Treasury's 10-year note was six basis points higher to 2.36% from 2.30%, while the yield on the Treasury's 30-year bond was increased four basis points to 3.00% from 2.96% in the prior week.