United States - Market Yield on U.S. Treasury Securities at 20-Year Constant Maturity, Inflation-Indexed was 0.01% in April of 2022, according to the United States Federal Reserve. Historically, United States - Market Yield on U.S. Treasury Securities at 20-Year Constant Maturity, Inflation-Indexed reached a record high of 3.20 in October of 2008 and a record low of -0.72 in November of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Market Yield on U.S. Treasury Securities at 20-Year Constant Maturity, Inflation-Indexed - last updated from the United States Federal Reserve on April of 2024.