Averages of daily figures. For further information regarding treasury constant maturity data, please refer to the H.15 Statistical release notes (https://www.federalreserve.gov/releases/h15/default.htm) and the Treasury Yield Curve Methodology (https://home.treasury.gov/policy-issues/financing-the-government/interest-rate-statistics/treasury-yield-curve-methodology).

Averages of daily figures. For more information see the H.15 Statistical Release (https://www.federalreserve.gov/releases/h15/default.htm).

Averages of daily figures. For further information regarding treasury constant maturity data, please refer to the H.15 Statistical release notes (https://www.federalreserve.gov/releases/h15/default.htm) and the Treasury Yield Curve Methodology (https://home.treasury.gov/policy-issues/financing-the-government/interest-rate-statistics/treasury-yield-curve-methodology).

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Averages of business days. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Averages of business days. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Averages of business days. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

This series will no longer be updated. It has been replaced with DTP30F41 (https://fred.stlouisfed.org/graph/?g=uHQ5) that updates on a daily basis. Yield to maturity on accrued principal. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission. Calculated from data provided by the Wall Street Journal.

This series will no longer be updated. It has been replaced with DTP20J26 (https://fred.stlouisfed.org/graph/?g=uHP2) that updates on a daily basis. Yield to maturity on accrued principal. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission. Calculated from data provided by the Wall Street Journal.

This series will no longer be updated. It has been replaced with DTP20J27 (https://fred.stlouisfed.org/graph/?g=uHPT) that updates on a daily basis. Yield to maturity on accrued principal. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission. Calculated from data provided by the Wall Street Journal.

This series will no longer be updated. It has been replaced with DTP20J28 (https://fred.stlouisfed.org/graph/?g=uHPH) that updates on a daily basis. Yield to maturity on accrued principal. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission. Calculated from data provided by the Wall Street Journal.

This series will no longer be updated. It has been replaced with DTP20J29 (https://fred.stlouisfed.org/graph/?g=uHQ3) that updates on a daily basis. Yield to maturity on accrued principal. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission. Calculated from data provided by the Wall Street Journal.

This series will no longer be updated. It has been replaced with DTP30A29 (https://fred.stlouisfed.org/graph/?g=uHPi) that updates on a daily basis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

This series will no longer be updated. It has been replaced with DTP20J25 (https://fred.stlouisfed.org/graph/?g=uHOS) that updates on a daily basis. Yield to maturity on accrued principal. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission. Calculated from data provided by the Wall Street Journal.

This series will no longer be updated. It has been replaced with DTP10J21 (https://fred.stlouisfed.org/graph/?g=uHPR) that updates on a daily basis. Yield to maturity on accrued principal. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission. Calculated from data provided by the Wall Street Journal.

This series will no longer be updated. It has been replaced with DTP30F40 (https://fred.stlouisfed.org/graph/?g=uHPC) that updates on a daily basis. Yield to maturity on accrued principal. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission. Calculated from data provided by the Wall Street Journal.

This series will no longer be updated. It has been replaced with DTP3HA32 ('https://fred.stlouisfed.org/graph/?g=uHQ6) that updates on a daily basis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

This series will no longer be updated. It has been replaced with DTP30A28 (https://fred.stlouisfed.org/graph/?g=uHPc) that updates on a daily basis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

This series will no longer be updated. It has been replaced with DTP3HA32 (https://fred.stlouisfed.org/graph/?g=uHQf) that updates on a daily basis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Monthly average of business days calculated by Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

This series will no longer be updated. It has been replaced with DTP10J21 (https://fred.stlouisfed.org/graph/?g=uHQp) that updates on a daily basis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Monthly average of business days calculated by Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

This series will no longer be updated. It has been replaced with DTP30A29 (https://fred.stlouisfed.org/graph/?g=uHQ7) that updates on a daily basis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Monthly average of business days calculated by Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

This series will no longer be updated. It has been replaced with DTP30F41 (https://fred.stlouisfed.org/graph/?g=uHQc) that updates on a daily basis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Monthly average of business days calculated by Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

This series will no longer be updated. It has been replaced with DTP30A28 (https://fred.stlouisfed.org/graph/?g=uHQk) that updates on a daily basis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Monthly average of business days calculated by Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Monthly average of business days calculated by Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission. Calculated from data provided by the Wall Street Journal.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Monthly average of business days calculated by Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Weekly average of daily data calculated by the Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Monthly average of business days calculated by Federal Reserve Bank of St. Louis. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Averages of business days. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Averages of business days. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Averages of business days. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Averages of business days. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

This series has been discontinued and will no longer be updated. It was a duplicate of the following series, which will continue to be updated: https://fred.stlouisfed.org/series/WSHONBIIL The current face value of the Federal Reserve's outright holdings of inflation-indexed Treasury notes and bonds.

This series has been discontinued and will no longer be updated. It was a duplicate of the following series, which will continue to be updated: https://fred.stlouisfed.org/series/WSHOICL Inflation compensation reflects adjustments for the effects of inflation to the principal of inflation-indexed securities.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Average of business days. Copyright, 2016, Haver Analytics. Reprinted with permission. Calculated from data provided by the Wall Street Journal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Averages of business days. Copyright, 2016, Haver Analytics. Reprinted with permission. Calculated from data provided by the Wall Street Journal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Averages of business days. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Averages of business days. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Averages of business days. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Averages of business days. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Copyright, 2016, Haver Analytics. Reprinted with permission.

Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Averages of business days. Yield to maturity on accrued principal. Calculated from data provided by the Wall Street Journal. Daily data prior to August 2, 2006, were provided by the New York Times. Copyright, 2016, Haver Analytics. Reprinted with permission.

Yield to maturity on accrued principal. Treasury Inflation-Protected Securities, or TIPS, are securities whose principal is tied to the Consumer Price Index (CPI). The principal increases with inflation and decreases with deflation. When the security matures, the U.S. Treasury pays the original or adjusted principal, whichever is greater. Data prior to August 2, 2006, were provided by the New York Times. Copyright, 2016, Haver Analytics. Reprinted with permission.