Relation of 13Wk T-Bill Index and Fed Interest

Q

What Is the Relationship Between 13-Week Treasury Bill Index and US Fed Discount Interest Rates?

✍: FYIcenter.com

A

What Is the Relationship Between 13-Week Treasury Bill Index and US Fed Discount Interest Rates can be summarized as:

  • The 13-week Treasury Bill index is closely tied to the Federal Reserve's discount rate.
  • When Federal Reserve raises the discount interest rate, the 13-week Treasury Bill index will go up accordingly.
  • When Federal Reserve lowers the discount interest rate, the 13-week Treasury Bill index will go down accordingly.
Compare:
   13 WEEK TREASURY BILL
   Cboe Indices: ^IRX
   2026-06-18: 3.65799999 Percent
with:
   US Fed Discount Rate
   US: DISC
   2026-06-18: 3.75000000 Percent

          13 WEEK TREASURY BI  US Fed Discount Rat
                ^IRX  Growth%        DISC  Growth%
           ---------- -------   ---------- -------
2026-06-18       3.66  100.00         3.75  100.00
2026-06-17       3.65   99.70         3.75  100.00
2026-06-16       3.63   99.23         3.75  100.00
2026-06-15       3.62   98.91         3.75  100.00
2026-06-12       3.62   98.91         3.75  100.00
2026-06-11       3.62   99.04         3.75  100.00
2026-06-10       3.63   99.37         3.75  100.00
2026-06-09       3.63   99.37         3.75  100.00
2026-06-08       3.63   99.18         3.75  100.00
2026-06-05       3.63   99.10         3.75  100.00
2026-06-04       3.62   98.96         3.75  100.00
2026-06-03       3.62   99.04         3.75  100.00
2026-06-02       3.62   98.91         3.75  100.00
2026-06-01       3.62   98.96         3.75  100.00
2026-05-29       3.59   98.09         3.75  100.00
2026-05-28       3.59   98.14         3.75  100.00
2026-05-27       3.59   98.00         3.75  100.00
2026-05-26       3.58   97.92         3.75  100.00
2026-05-22       3.59   98.00         3.75  100.00
2026-05-21       3.58   97.92         3.75  100.00
2026-05-18       3.57   97.54         3.75  100.00
2026-04-18       3.60   98.41         3.75  100.00
2026-03-18       3.61   98.69         3.75  100.00
2026-02-18       3.60   98.50         3.75  100.00
2026-01-18       3.56   97.24         3.75  100.00
2025-12-18       3.52   96.28         3.75  100.00
2025-11-18       3.77  103.12         4.00  106.67
2025-10-18       3.83  104.76         4.25  113.33
2025-09-18       3.88  106.07         4.25  113.33
2025-08-18       4.12  112.71         4.50  120.00
2025-07-18       4.23  115.64         4.50  120.00
2025-06-18       4.22  115.45         4.50  120.00
2024-06-18       5.24  143.19         5.50  146.67
2023-06-18       5.15  140.87         5.25  140.00
2022-06-18       1.60   43.74         1.75   46.67
2021-06-18       0.04    1.09         0.25    6.67
2020-06-18       0.14    3.69         0.25    6.67
2019-06-18       2.04   55.63         3.00   80.00
2018-06-18       1.88   51.39         2.50   66.67
2017-06-18       0.99   27.15         1.75   46.67
2016-06-18       0.25    6.78         1.00   26.67
2015-06-18       0.01    0.27         0.75   20.00
2014-06-18       0.02    0.55         0.75   20.00
2013-06-18       0.03    0.82         0.75   20.00
2012-06-18       0.08    2.19         0.75   20.00
2011-06-18       0.02    0.41         0.75   20.00
2010-06-18       0.17    4.65         0.75   20.00
2009-06-18       0.18    4.92         0.50   13.33
2008-06-18       1.71   46.61         2.25   60.00
2007-06-18       4.67  127.67         6.25  166.67
2006-06-18       4.86  132.86         6.00  160.00
2005-06-18       3.06   83.65         4.00  106.67
2004-06-18       1.30   35.62         2.00   53.33
2003-06-18       0.84   22.91         2.25   60.00
2002-06-18       1.66   45.35                     
2001-06-18       3.56   97.32                     
2000-06-18       5.70  155.82                     
1999-06-18       4.67  127.67                     
1998-06-18       4.97  135.87                     
1997-06-18       5.05  138.05                     
1996-06-18       5.03  137.51                     
1995-06-18       5.43  148.44                     
1994-06-18       4.14  113.18                     
1993-06-18       3.03   82.83                     
1992-06-18       3.57   97.59                     
1991-06-18       5.54  151.45                     
1990-06-18       7.74  211.59                     
1989-06-18       7.99  218.43                     
1988-06-18       6.56  179.33                     
1987-06-18       5.73  156.64                     
1986-06-18       5.96  162.93                     
1985-06-18       6.83  186.71                     
1985-01-01       8.18  223.62                     

 

Relation of 13Wk T-Bill Index and 30Yr Bond

Cboe Indices: ^TYX - Treasury Yield 30 Years

US Treasury Security Indices

⇑⇑ Market Indices

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