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
2026-05-31: 330.10242000 Point

Historical values in Point: Summary Detail
      Date      Point   Change (Value, %)    Growth
----------  ---------  -------------------  -------
2026-05-31  330.10242  ( 0.11058,   0.03%)  100.00%
2026-05-30  329.99184  ( 0.11058,   0.03%)   99.97%
2026-05-29  329.88126  ( 0.11058,   0.03%)   99.93%
2026-05-28  329.77068  ( 0.11058,   0.03%)   99.90%
2026-05-27  329.66010  ( 0.11058,   0.03%)   99.87%
2026-05-26  329.54952  ( 0.11058,   0.03%)   99.83%
2026-05-25  329.43894  ( 0.11059,   0.03%)   99.80%
2026-05-24  329.32835  ( 0.11058,   0.03%)   99.77%
2026-05-23  329.21777  ( 0.11058,   0.03%)   99.73%
2026-05-22  329.10719  ( 0.11058,   0.03%)   99.70%
2026-05-21  328.99661  ( 0.11058,   0.03%)   99.67%
2026-05-20  328.88603  ( 0.11058,   0.03%)   99.63%
2026-05-19  328.77545  ( 0.11058,   0.03%)   99.60%
2026-05-18  328.66487  ( 0.11058,   0.03%)   99.56%
2026-05-17  328.55429  ( 0.11058,   0.03%)   99.53%
2026-05-16  328.44371  ( 0.11058,   0.03%)   99.50%
2026-05-15  328.33313  ( 0.11058,   0.03%)   99.46%
2026-05-14  328.22255  ( 0.11058,   0.03%)   99.43%
2026-05-13  328.11197  ( 0.11058,   0.03%)   99.40%
2026-05-12  328.00139  ( 0.11058,   0.03%)   99.36%
2026-05-11  327.89081  ( 0.11058,   0.03%)   99.33%
2026-05-10  327.78023  ( 0.11058,   0.03%)   99.30%
2026-05-09  327.66965  ( 0.11059,   0.03%)   99.26%
2026-05-08  327.55906  ( 0.11058,   0.03%)   99.23%
2026-05-07  327.44848  ( 0.11058,   0.03%)   99.20%
2026-05-06  327.33790  ( 0.11058,   0.03%)   99.16%
2026-05-05  327.22732  ( 0.11058,   0.03%)   99.13%
2026-05-04  327.11674  ( 0.11058,   0.03%)   99.10%
2026-05-03  327.00616  ( 0.22116,   0.07%)   99.06%
2026-05-01  326.78500  ( 1.57165,   0.48%)   99.00%
2026-03-31  325.21335  ( 1.08206,   0.33%)   98.52%
2026-03-03  324.13129  (-0.03852,  -0.01%)   98.19%
2026-01-31  324.16981  (-1.40825,  -0.43%)   98.20%
2025-12-31  325.57806  ( 0.77806,   0.24%)   98.63%
2025-12-01  324.80000  ( 0.85394,   0.26%)   98.39%
2025-10-31  323.94606  ( 0.89806,   0.28%)   98.14%
2025-10-01  323.04800  ( 0.52235,   0.16%)   97.86%
2025-08-31  322.52565  ( 1.08226,   0.34%)   97.70%
2025-07-31  321.44339  ( 0.64839,   0.20%)   97.38%
2025-07-01  320.79500  ( 1.01913,   0.32%)   97.18%
2025-05-31  319.77587  ( 7.50858,   2.40%)   96.87%
2024-05-31  312.26729  (10.46342,   3.47%)   94.60%
2023-05-31  301.80387  (14.42206,   5.02%)   91.43%
2022-05-31  287.38181  (22.56491,   8.52%)   87.06%
2021-05-31  264.81690  ( 6.68374,   2.59%)   80.22%
2020-05-31  258.13316  ( 3.97716,   1.56%)   78.20%
2019-05-31  254.15600  ( 4.62016,   1.85%)   76.99%
2018-05-31  249.53584  ( 5.74123,   2.35%)   75.59%
2017-05-31  243.79461  ( 5.69555,   2.39%)   73.85%
2016-05-31  238.09906  ( 2.02512,   0.86%)   72.13%
2015-05-31  236.07394  (-0.17029,  -0.07%)   71.52%
2014-05-31  236.24423  ( 3.49081,   1.50%)   71.57%
2013-05-31  232.75342  ( 3.41719,   1.49%)   70.51%
2012-05-31  229.33623  ( 5.93884,   2.66%)   69.47%
2011-05-31  223.39739  ( 5.79510,   2.66%)   67.68%
2010-05-31  217.60229  ( 4.90994,   2.31%)   65.92%
2009-05-31  212.69235  (-0.77646,  -0.36%)   64.43%
2008-05-31  213.46881  ( 8.17658,   3.98%)   64.67%
2007-05-31  205.29223  ( 5.52771,   2.77%)   62.19%
2006-05-31  199.76452  ( 6.51291,   3.37%)   60.52%
2005-05-31  193.25161  ( 5.89032,   3.14%)   58.54%
2004-05-31  187.36129  ( 3.19677,   1.74%)   56.76%
2003-05-31  184.16452  ( 5.39678,   3.02%)   55.79%
2002-05-31  178.76774  ( 2.58064,   1.46%)   54.16%
2001-05-31  176.18710  ( 5.13226,   3.00%)   53.37%
2000-05-31  171.05484  ( 6.07097,   3.68%)   51.82%
1999-05-31  164.98387  ( 2.79355,   1.72%)   49.98%
1998-05-31  162.19032  ( 0.45032,   0.28%)   49.13%
1998-04-15  161.74000  (        ,        )   49.00%
----------  ---------  -------------------  -------
      Date      Point   Change (Value, %)    Growth
Historical values in Point: Summary Detail