Title:               Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis, Inflation-Indexed
Series ID:           FII30
Source:              Board of Governors of the Federal Reserve System (US)
Release:             H.15 Selected Interest Rates
Seasonal Adjustment: Not Seasonally Adjusted
Frequency:           Monthly
Units:               Percent
Date Range:          2010-02-01 to 2024-03-01
Last Updated:        2024-04-01 3:18 PM CDT
Notes:               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).

DATE        VALUE
2010-02-01   2.16
2010-03-01   2.15
2010-04-01   2.05
2010-05-01   1.83
2010-06-01   1.77
2010-07-01   1.87
2010-08-01   1.76
2010-09-01   1.66
2010-10-01   1.44
2010-11-01   1.61
2010-12-01   1.89
2011-01-01   1.97
2011-02-01   2.13
2011-03-01   1.89
2011-04-01   1.79
2011-05-01   1.77
2011-06-01   1.78
2011-07-01   1.62
2011-08-01   1.10
2011-09-01   1.02
2011-10-01   0.99
2011-11-01   0.78
2011-12-01   0.78
2012-01-01   0.74
2012-02-01   0.72
2012-03-01   0.87
2012-04-01   0.79
2012-05-01   0.68
2012-06-01   0.50
2012-07-01   0.39
2012-08-01   0.47
2012-09-01   0.44
2012-10-01   0.41
2012-11-01   0.35
2012-12-01   0.33
2013-01-01   0.48
2013-02-01   0.57
2013-03-01   0.62
2013-04-01   0.48
2013-05-01   0.72
2013-06-01   1.21
2013-07-01   1.34
2013-08-01   1.44
2013-09-01   1.50
2013-10-01   1.37
2013-11-01   1.51
2013-12-01   1.61
2014-01-01   1.44
2014-02-01   1.40
2014-03-01   1.33
2014-04-01   1.23
2014-05-01   1.08
2014-06-01   1.11
2014-07-01   0.98
2014-08-01   0.90
2014-09-01   1.05
2014-10-01   0.96
2014-11-01   0.99
2014-12-01   0.89
2015-01-01   0.66
2015-02-01   0.73
2015-03-01   0.73
2015-04-01   0.65
2015-05-01   0.96
2015-06-01   1.13
2015-07-01   1.11
2015-08-01   1.08
2015-09-01   1.24
2015-10-01   1.22
2015-11-01   1.25
2015-12-01   1.26
2016-01-01   1.26
2016-02-01   1.09
2016-03-01   0.99
2016-04-01   0.86
2016-05-01   0.86
2016-06-01   0.82
2016-07-01   0.61
2016-08-01   0.62
2016-09-01   0.64
2016-10-01   0.69
2016-11-01   0.86
2016-12-01   1.04
2017-01-01   0.92
2017-02-01   0.93
2017-03-01   0.99
2017-04-01   0.91
2017-05-01   0.99
2017-06-01   0.93
2017-07-01   1.01
2017-08-01   0.93
2017-09-01   0.87
2017-10-01   0.94
2017-11-01   0.87
2017-12-01   0.80
2018-01-01   0.80
2018-02-01   0.99
2018-03-01   0.99
2018-04-01   0.93
2018-05-01   0.98
2018-06-01   0.93
2018-07-01   0.88
2018-08-01   0.92
2018-09-01   1.00
2018-10-01   1.21
2018-11-01   1.30
2018-12-01   1.19
2019-01-01   1.19
2019-02-01   1.10
2019-03-01   1.02
2019-04-01   0.97
2019-05-01   0.92
2019-06-01   0.79
2019-07-01   0.77
2019-08-01   0.49
2019-09-01   0.51
2019-10-01   0.55
2019-11-01   0.54
2019-12-01   0.52
2020-01-01   0.43
2020-02-01   0.29
2020-03-01   0.16
2020-04-01  -0.12
2020-05-01  -0.08
2020-06-01  -0.06
2020-07-01  -0.29
2020-08-01  -0.35
2020-09-01  -0.34
2020-10-01  -0.29
2020-11-01  -0.26
2020-12-01  -0.33
2021-01-01  -0.28
2021-02-01  -0.10
2021-03-01   0.11
2021-04-01   0.05
2021-05-01  -0.01
2021-06-01  -0.13
2021-07-01  -0.29
2021-08-01  -0.31
2021-09-01  -0.30
2021-10-01  -0.29
2021-11-01  -0.44
2021-12-01  -0.42
2022-01-01  -0.14
2022-02-01   0.07
2022-03-01  -0.08
2022-04-01   0.26
2022-05-01   0.60
2022-06-01   0.78
2022-07-01   0.89
2022-08-01   0.84
2022-09-01   1.29
2022-10-01   1.71
2022-11-01   1.60
2022-12-01   1.40
2023-01-01   1.42
2023-02-01   1.51
2023-03-01   1.51
2023-04-01   1.45
2023-05-01   1.60
2023-06-01   1.64
2023-07-01   1.69
2023-08-01   1.97
2023-09-01   2.13
2023-10-01   2.48
2023-11-01   2.26
2023-12-01   1.95
2024-01-01   2.02
2024-02-01   2.12
2024-03-01   2.09