What is the performance of the 13 WEEK TREASURY BILL (Cboe Indices: ^IRX) index?

The performance of the 13 WEEK TREASURY BILL (Cboe Indices: ^IRX) index is presented below.

13 WEEK TREASURY BILL
Cboe Indices: ^IRX
2026-09-23: 4.02799988 Percent

Historical values in Percent: Summary Detail
      Date    Percent   Change (Value, %)    Growth
----------  ---------  -------------------  -------
2026-09-23       4.03  (    0.02,   0.57%)  100.00%
2026-09-22       4.01  (    0.02,   0.58%)   99.43%
2026-09-21       3.98  (    0.00,   0.10%)   98.86%
2026-09-18       3.98  (    0.01,   0.33%)   98.76%
2026-09-17       3.96  (   -0.01,  -0.13%)   98.44%
2026-09-16       3.97  (    0.01,   0.25%)   98.56%
2026-09-15       3.96  (    0.03,   0.64%)   98.31%
2026-09-14       3.93  (    0.02,   0.56%)   97.69%
2026-09-11       3.91  (    0.07,   1.77%)   97.14%
2026-09-10       3.85  (    0.04,   1.05%)   95.46%
2026-09-09       3.81  (    0.03,   0.79%)   94.46%
2026-09-08       3.78  (    0.02,   0.48%)   93.72%
2026-09-04       3.76  (    0.02,   0.45%)   93.27%
2026-09-03       3.74  (   -0.03,  -0.85%)   92.85%
2026-09-02       3.77  (    0.00,   0.00%)   93.64%
2026-09-01       3.77  (    0.04,   1.07%)   93.64%
2026-08-31       3.73  (    0.06,   1.55%)   92.65%
2026-08-28       3.67  (    0.00,  -0.08%)   91.24%
2026-08-27       3.68  (   -0.01,  -0.33%)   91.31%
2026-08-26       3.69  (   -0.02,  -0.54%)   91.61%
2026-08-23       3.71  (   -0.09,  -2.37%)   92.11%
2026-07-23       3.80  (    0.11,   2.98%)   94.34%
2026-06-23       3.69  (    0.11,   2.93%)   91.61%
2026-05-23       3.59  (   -0.01,  -0.28%)   89.00%
2026-04-23       3.60  (   -0.02,  -0.47%)   89.25%
2026-03-23       3.61  (    0.02,   0.67%)   89.67%
2026-02-23       3.59  (    0.01,   0.17%)   89.08%
2026-01-23       3.58  (    0.04,   0.99%)   88.93%
2025-12-23       3.55  (   -0.19,  -5.16%)   88.06%
2025-11-23       3.74  (   -0.05,  -1.27%)   92.85%
2025-10-23       3.79  (   -0.06,  -1.48%)   94.04%
2025-09-23       3.85  (   -1.39, -26.59%)   95.46%
2024-09-23       5.24  (   -0.06,  -1.17%)  130.04%
2023-09-23       5.30  (    2.12,  66.67%)  131.58%
2022-09-23       3.18  (    3.15, #######)   78.95%
2021-09-23       0.03  (   -0.06, -67.06%)    0.70%
2020-09-23       0.09  (   -1.68, -95.20%)    2.11%
2019-09-23       1.77  (   -0.38, -17.67%)   43.94%
2018-09-23       2.15  (    1.12, 109.14%)   53.38%
2017-09-23       1.03  (    0.77, 295.38%)   25.52%
2016-09-23       0.26  (    0.25, #######)    6.45%
2015-09-23       0.01  (   -0.01, -61.54%)    0.12%
2014-09-23       0.01  (    0.01, 160.00%)    0.32%
2013-09-23       0.01  (   -0.09, -94.44%)    0.12%
2012-09-23       0.09  (    0.08, 800.00%)    2.23%
2011-09-23       0.01  (   -0.15, -93.55%)    0.25%
2010-09-23       0.16  (    0.04,  34.78%)    3.85%
2009-09-23       0.12  (   -0.78, -87.22%)    2.86%
2008-09-23       0.90  (   -2.80, -75.68%)   22.34%
2007-09-23       3.70  (   -1.06, -22.27%)   91.86%
2006-09-23       4.76  (    1.29,  37.18%)  118.17%
2005-09-23       3.47  (    1.80, 107.29%)   86.15%
2004-09-23       1.67  (    0.75,  80.78%)   41.56%
2003-09-23       0.93  (   -0.60, -39.36%)   22.99%
2002-09-23       1.53  (   -0.77, -33.61%)   37.91%
2001-09-23       2.30  (   -3.73, -61.86%)   57.10%
2000-09-23       6.03  (    1.32,  28.03%)  149.70%
1999-09-23       4.71  (    0.46,  10.82%)  116.93%
1998-09-23       4.25  (   -0.72, -14.49%)  105.51%
1997-09-23       4.97  (    0.06,   1.22%)  123.39%
1996-09-23       4.91  (   -0.33,  -6.30%)  121.90%
1995-09-23       5.24  (    0.57,  12.21%)  130.09%
1994-09-23       4.67  (    1.75,  59.93%)  115.94%
1993-09-23       2.92  (    0.23,   8.55%)   72.49%
1992-09-23       2.69  (   -2.42, -47.36%)   66.78%
1991-09-23       5.11  (   -2.03, -28.43%)  126.86%
1990-09-23       7.14  (   -0.77,  -9.73%)  177.26%
1989-09-23       7.91  (    0.66,   9.10%)  196.38%
1988-09-23       7.25  (    0.64,   9.68%)  179.99%
1987-09-23       6.61  (    1.41,  27.12%)  164.10%
1986-09-23       5.20  (   -1.84, -26.14%)  129.10%
1985-09-23       7.04  (   -1.14, -13.94%)  174.78%
1985-01-01       8.18  (        ,        )  203.08%
----------  ---------  -------------------  -------
      Date    Percent   Change (Value, %)    Growth
Historical values in Percent: Summary Detail

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