In the week ended May 19, the weekly average yield to maturity of the Bond Buyer Municipal Bond Index fell two basis points to 3.88% from 3.90% in 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 was six basis points lower to 3.26% from 3.32% the prior week. It is at its lowest level since Aug. 26, 1965, when it stood at 3.25%.
The 11-Bond GO Index of higher-grade 20-year GO yields fell six basis points to 2.78% from 2.84% the previous week. It is at its lowest level since April 24, 1958, when it was at 2.78%.
The Bond Buyer's Revenue Bond Index decreased six basis points to 3.48% from 3.54% last week, creating a new low since the data began being counted in Sept. 20, 1979.
The yield on the U.S. Treasury's 10-year note was nine basis points up to 1.85% from 1.76%, while the yield on the Treasury's 30-year bond increased three basis points to 2.64% from 2.61% in the prior week.
