United States - Market Yield on U.S. Treasury Securities at 20-Year Constant Maturity, Inflation-Indexed was -0.30% in March 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 3.00 in November of 2008 and a record low of -0.63 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 March of 2024.