What is the performance of the Reference CPI for US Treasury TIPS (US: REF-CPI), and its historical data?

The performance of the Reference CPI for US Treasury TIPS (US: REF-CPI) and its historical data are presented below.

Reference CPI for US TIPS
US: REF-CPI
2026-01-31: 324.16981000 Point

Historical values in Point: Summary Detail
      Date      Point   Change (Value, %)    Growth
----------  ---------  -------------------  -------
2026-01-31  324.16981  (-0.04780,  -0.01%)  100.00%
2026-01-30  324.21761  (-0.04781,  -0.01%)  100.01%
2026-01-29  324.26542  (-0.04781,  -0.01%)  100.03%
2026-01-28  324.31323  (-0.04780,  -0.01%)  100.04%
2026-01-27  324.36103  (-0.04781,  -0.01%)  100.06%
2026-01-26  324.40884  (-0.04781,  -0.01%)  100.07%
2026-01-25  324.45665  (-0.04780,  -0.01%)  100.09%
2026-01-24  324.50445  (-0.04781,  -0.01%)  100.10%
2026-01-23  324.55226  (-0.04780,  -0.01%)  100.12%
2026-01-22  324.60006  (-0.04781,  -0.01%)  100.13%
2026-01-21  324.64787  (-0.04781,  -0.01%)  100.15%
2026-01-20  324.69568  (-0.04780,  -0.01%)  100.16%
2026-01-19  324.74348  (-0.04781,  -0.01%)  100.18%
2026-01-18  324.79129  (-0.04781,  -0.01%)  100.19%
2026-01-17  324.83910  (-0.04780,  -0.01%)  100.21%
2026-01-16  324.88690  (-0.04781,  -0.01%)  100.22%
2026-01-15  324.93471  (-0.04781,  -0.01%)  100.24%
2026-01-14  324.98252  (-0.04780,  -0.01%)  100.25%
2026-01-13  325.03032  (-0.04781,  -0.01%)  100.27%
2026-01-12  325.07813  (-0.04781,  -0.01%)  100.28%
2026-01-11  325.12594  (-0.04780,  -0.01%)  100.29%
2026-01-10  325.17374  (-0.04781,  -0.01%)  100.31%
2026-01-09  325.22155  (-0.04780,  -0.01%)  100.32%
2026-01-08  325.26935  (-0.04781,  -0.01%)  100.34%
2026-01-07  325.31716  (-0.04781,  -0.01%)  100.35%
2026-01-06  325.36497  (-0.04780,  -0.01%)  100.37%
2026-01-05  325.41277  (-0.04781,  -0.01%)  100.38%
2026-01-04  325.46058  (-0.04781,  -0.01%)  100.40%
2026-01-03  325.50839  (-0.06967,  -0.02%)  100.41%
2025-12-31  325.57806  ( 0.77806,   0.24%)  100.43%
2025-12-01  324.80000  ( 0.85394,   0.26%)  100.19%
2025-10-31  323.94606  ( 0.89806,   0.28%)   99.93%
2025-10-01  323.04800  ( 0.52235,   0.16%)   99.65%
2025-08-31  322.52565  ( 1.08226,   0.34%)   99.49%
2025-07-31  321.44339  ( 0.64839,   0.20%)   99.16%
2025-07-01  320.79500  ( 1.01913,   0.32%)   98.96%
2025-05-31  319.77587  ( 0.69387,   0.22%)   98.64%
2025-05-01  319.08200  ( 1.47765,   0.47%)   98.43%
2025-03-31  317.60435  ( 1.86606,   0.59%)   97.97%
2025-03-03  315.73829  ( 0.23977,   0.08%)   97.40%
2025-01-31  315.49852  ( 8.42752,   2.74%)   97.33%
2024-01-31  307.07100  ( 9.35029,   3.14%)   94.73%
2023-01-31  297.72071  (19.81655,   7.13%)   91.84%
2022-01-31  277.90416  (17.67003,   6.79%)   85.73%
2021-01-31  260.23413  ( 3.02168,   1.17%)   80.28%
2020-01-31  257.21245  ( 5.14713,   2.04%)   79.34%
2019-01-31  252.06532  ( 5.39651,   2.19%)   77.76%
2018-01-31  246.66881  ( 5.30368,   2.20%)   76.09%
2017-01-31  241.36513  ( 4.01294,   1.69%)   74.46%
2016-01-31  237.35219  ( 1.15984,   0.49%)   73.22%
2015-01-31  236.19235  ( 3.10796,   1.33%)   72.86%
2014-01-31  233.08439  ( 2.82804,   1.23%)   71.90%
2013-01-31  230.25635  ( 4.02019,   1.78%)   71.03%
2012-01-31  226.23616  ( 7.43613,   3.40%)   69.79%
2011-01-31  218.80003  ( 2.47497,   1.14%)   67.50%
2010-01-31  216.32506  ( 3.76625,   1.77%)   66.73%
2009-01-31  212.55881  ( 2.42184,   1.15%)   65.57%
2008-01-31  210.13697  ( 8.62729,   4.28%)   64.82%
2007-01-31  201.50968  ( 3.85807,   1.95%)   62.16%
2006-01-31  197.65161  ( 6.65484,   3.48%)   60.97%
2005-01-31  190.99677  ( 6.48064,   3.51%)   58.92%
2004-01-31  184.51613  ( 3.21613,   1.77%)   56.92%
2003-01-31  181.30000  ( 3.89032,   2.19%)   55.93%
2002-01-31  177.40968  ( 3.31291,   1.90%)   54.73%
2001-01-31  174.09677  ( 5.80000,   3.45%)   53.71%
2000-01-31  168.29677  ( 4.29677,   2.62%)   51.92%
1999-01-31  164.00000  ( 2.26000,   1.40%)   50.59%
1998-04-15  161.74000  (        ,        )   49.89%
----------  ---------  -------------------  -------
      Date      Point   Change (Value, %)    Growth
Historical values in Point: Summary Detail