4-week bill auctions: page 5 of 7

The 4-week bill auctioned on 1 October 2026 sold at a discount rate of 3.890% (investment rate 3.956%), bid-to-cover 2.83.

Every 4-week bill auction, page 5 of 7

Auctions with results since 31 July 2001: 1,314.

4-week bill auctions, newest first
Auction	Offered as	Discount rate, %	Investment rate, %	Bid-to-cover	Offered, $ billion	Sold, $ billion	Indirect, %	Direct, %	Dealers, %
7 Jun 2011	4-Week, reopening	0.005	0.005	4.46	28.000	31.782	25.7	9.8	64.5
1 Jun 2011	4-Week, reopening	0.040	0.041	4.70	28.000	33.938	16.4	17.0	66.6
24 May 2011	4-Week, reopening	0.035	0.036	4.60	28.000	30.418	25.6	11.5	62.8
17 May 2011	4-Week, reopening	0.025	0.025	4.55	28.000	34.286	20.2	14.2	65.5
10 May 2011	4-Week, reopening	0.015	0.015	4.80	28.000	31.782	47.3	9.8	42.9
3 May 2011	4-Week, reopening	0.005	0.005	4.59	28.000	33.938	25.0	12.8	62.2
26 Apr 2011	4-Week, reopening	0.030	0.030	4.77	30.000	32.419	19.9	11.9	68.1
19 Apr 2011	4-Week, reopening	0.030	0.030	4.35	34.000	40.286	27.2	10.9	61.9
12 Apr 2011	4-Week, reopening	0.025	0.025	4.55	40.000	43.782	41.2	8.1	50.7
5 Apr 2011	4-Week, reopening	0.050	0.051	3.97	40.000	45.939	38.2	10.1	51.8
29 Mar 2011	4-Week, reopening	0.045	0.046	4.03	40.000	42.419	26.9	14.2	58.9
22 Mar 2011	4-Week, reopening	0.075	0.076	4.14	40.000	46.285	10.8	18.1	71.1
15 Mar 2011	4-Week, reopening	0.060	0.061	4.46	40.000	43.783	22.8	9.5	67.6
8 Mar 2011	4-Week, reopening	0.070	0.071	3.82	40.000	45.939	22.3	13.2	64.5
1 Mar 2011	4-Week, reopening	0.135	0.137	4.22	40.000	42.419	16.8	16.0	67.1
23 Feb 2011	4-Week, reopening	0.120	0.122	4.15	40.000	46.287	19.1	10.2	70.8
15 Feb 2011	4-Week, reopening	0.100	0.101	4.55	35.000	38.782	22.9	13.8	63.3
8 Feb 2011	4-Week, reopening	0.135	0.137	4.47	35.000	40.938	22.3	12.8	65.0
1 Feb 2011	4-Week, reopening	0.160	0.162	4.48	35.000	37.421	33.8	17.4	48.7
25 Jan 2011	4-Week, reopening	0.145	0.147	4.79	25.000	31.285	15.2	13.6	71.2
19 Jan 2011	4-Week, reopening	0.155	0.157	4.57	25.000	28.782	19.0	17.7	63.3
11 Jan 2011	4-Week, reopening	0.145	0.147	4.91	25.000	30.939	37.2	13.4	49.4
4 Jan 2011	4-Week, reopening	0.120	0.122	4.73	25.000	27.418	31.3	15.7	53.0
28 Dec 2010	4-Week, reopening	0.065	0.066	4.75	25.000	31.285	44.7	10.1	45.1
21 Dec 2010	4-Week, reopening	0.070	0.071	4.08	25.000	28.782	5.8	19.4	74.7
14 Dec 2010	4-Week, reopening	0.085	0.086	4.98	25.000	30.938	54.2	7.9	37.9
7 Dec 2010	4-Week, reopening	0.080	0.081	4.29	25.000	27.419	11.8	10.0	78.3
30 Nov 2010	4-Week, reopening	0.175	0.177	4.66	25.000	31.286	34.8	18.3	47.0
23 Nov 2010	4-Week, reopening	0.150	0.152	4.48	25.000	28.782	29.2	13.1	57.6
16 Nov 2010	4-Week, reopening	0.125	0.127	4.31	25.000	30.938	31.0	11.4	57.6
9 Nov 2010	4-Week, reopening	0.105	0.106	5.08	25.000	27.418	41.6	12.3	46.1
2 Nov 2010	4-Week, reopening	0.125	0.127	5.01	25.000	31.285	47.9	12.0	40.0
26 Oct 2010	4-Week, reopening	0.130	0.132	4.96	22.000	25.783	29.1	11.8	59.2
19 Oct 2010	4-Week, reopening	0.135	0.137	5.25	22.000	27.938	30.3	11.0	58.7
13 Oct 2010	4-Week, reopening	0.140	0.142	4.71	25.000	27.418	43.4	9.5	47.1
5 Oct 2010	4-Week, reopening	0.135	0.137	5.08	25.000	31.285	32.2	17.5	50.4
28 Sep 2010	4-Week, reopening	0.080	0.081	5.16	25.000	28.782	60.8	8.8	30.4
21 Sep 2010	4-Week, reopening	0.115	0.117	4.72	25.000	30.938	38.6	11.9	49.4
14 Sep 2010	4-Week, reopening	0.100	0.101	3.91	30.000	32.418	21.2	12.2	66.6
8 Sep 2010	4-Week, reopening	0.090	0.091	4.16	35.000	41.285	30.8	11.7	57.5
31 Aug 2010	4-Week, reopening	0.160	0.162	4.02	34.000	37.782	28.0	12.5	59.5
24 Aug 2010	4-Week, reopening	0.155	0.157	4.19	34.000	39.938	16.4	15.2	68.4
17 Aug 2010	4-Week, reopening	0.155	0.157	4.23	34.000	36.419	25.4	12.8	61.8
10 Aug 2010	4-Week, reopening	0.145	0.147	4.38	31.000	37.286	28.9	10.6	60.5
3 Aug 2010	4-Week, reopening	0.150	0.152	4.51	31.000	34.783	29.3	12.9	57.9
27 Jul 2010	4-Week, reopening	0.155	0.157	4.30	31.000	36.938	39.7	11.6	48.7
20 Jul 2010	4-Week, reopening	0.155	0.157	4.42	32.000	34.420	34.7	11.6	53.7
13 Jul 2010	4-Week, reopening	0.150	0.152	4.16	32.000	38.286	29.8	17.1	53.1
7 Jul 2010	4-Week, reopening	0.165	0.167	3.57	36.000	39.782	19.5	14.2	66.2
29 Jun 2010	4-Week, reopening	0.150	0.152	3.47	36.000	41.939	20.4	13.2	66.4
22 Jun 2010	4-Week, reopening	0.085	0.086	3.70	32.000	34.418	22.5	22.2	55.3
15 Jun 2010	4-Week, reopening	0.030	0.030	4.36	31.000	37.285	36.5	10.9	52.7
8 Jun 2010	4-Week, reopening	0.090	0.091	4.32	31.000	34.782	15.4	22.6	61.9
2 Jun 2010	4-Week, reopening	0.130	0.132	4.51	31.000	36.938	39.8	16.3	43.9
25 May 2010	4-Week, reopening	0.155	0.157	3.87	31.000	33.419	8.8	20.9	70.3
18 May 2010	4-Week, reopening	0.170	0.172	3.72	31.000	37.285	15.5	17.4	67.0
11 May 2010	4-Week, reopening	0.150	0.152	4.22	31.000	34.782	13.2	22.7	64.2
4 May 2010	4-Week, reopening	0.150	0.152	4.82	23.000	28.939	16.1	22.5	61.4
27 Apr 2010	4-Week, reopening	0.130	0.132	5.47	15.000	17.418	23.3	23.8	52.9
20 Apr 2010	4-Week, reopening	0.140	0.142	5.01	18.000	24.285	15.6	22.5	61.9
13 Apr 2010	4-Week, reopening	0.145	0.147	4.35	26.000	29.782	22.2	17.2	60.6
6 Apr 2010	4-Week, reopening	0.160	0.162	3.56	34.000	39.939	27.7	16.6	55.6
30 Mar 2010	4-Week, reopening	0.150	0.152	3.58	31.000	33.419	27.4	18.0	54.7
23 Mar 2010	4-Week, reopening	0.105	0.106	4.29	31.000	37.285	43.4	11.1	45.6
16 Mar 2010	4-Week, reopening	0.135	0.137	3.79	31.000	34.782	13.2	21.7	65.1
9 Mar 2010	4-Week, reopening	0.110	0.112	3.90	31.000	36.939	21.8	12.4	65.9
2 Mar 2010	4-Week, reopening	0.080	0.081	4.34	31.000	33.418	17.9	8.8	73.4
23 Feb 2010	4-Week, reopening	0.055	0.056	3.82	31.000	37.286	19.8	9.7	70.5
17 Feb 2010	4-Week, reopening	0.060	0.061	3.97	32.000	35.782	27.7	11.2	61.1
9 Feb 2010	4-Week, reopening	0.055	0.056	4.44	24.000	29.938	35.7	12.5	51.9
2 Feb 2010	4-Week, reopening	0.040	0.041	4.98	17.000	19.418	42.1	6.8	51.0
26 Jan 2010	4-Week, reopening	0.000	0.000	5.55	10.000	16.285	27.5	4.7	67.8
20 Jan 2010	4-Week, reopening	0.005	0.005	5.69	10.000	13.782	27.4	11.9	60.8
12 Jan 2010	4-Week, reopening	0.000	0.000	6.63	10.000	15.938	25.5	3.9	70.6
5 Jan 2010	4-Week, reopening	0.025	0.025	5.50	16.000	18.418	55.1	2.4	42.4
29 Dec 2009	4-Week, reopening	0.010	0.010	3.95	23.000	29.285	58.7	3.0	38.3
22 Dec 2009	4-Week, reopening	0.005	0.005	4.08	28.000	31.782	61.0	0.9	38.1
15 Dec 2009	4-Week, reopening	0.000	0.000	4.33	28.000	33.940	18.9	3.3	77.8
8 Dec 2009	4-Week, reopening	0.000	0.000	5.33	29.000	31.422	34.3	3.1	62.6
1 Dec 2009	4-Week, reopening	0.085	0.086	4.07	31.000	37.285	38.5	8.0	53.6
24 Nov 2009	4-Week, reopening	0.060	0.061	4.38	32.000	35.782	45.2	3.4	51.4
17 Nov 2009	4-Week, reopening	0.050	0.051	3.79	32.000	37.939	32.6	2.6	64.8
10 Nov 2009	4-Week, reopening	0.060	0.061	4.33	30.000	32.418	35.4	9.2	55.3
3 Nov 2009	4-Week, reopening	0.035	0.035	4.35	28.000	34.285	43.1	2.1	54.8
27 Oct 2009	4-Week, reopening	0.045	0.046	4.62	28.000	31.782	39.0	5.3	55.7
20 Oct 2009	4-Week, reopening	0.045	0.046	4.50	24.000	29.938	27.9	6.0	66.1
14 Oct 2009	4-Week, reopening	0.050	0.051	4.31	24.000	26.419	30.4	4.8	64.8
6 Oct 2009	4-Week, reopening	0.040	0.041	4.78	24.000	30.286	61.2	8.8	29.9
29 Sep 2009	4-Week, reopening	0.040	0.041	3.67	22.000	25.782	25.7	3.5	70.8
22 Sep 2009	4-Week, reopening	0.040	0.041	5.18	16.000	21.938	24.7	1.3	74.0
15 Sep 2009	4-Week, reopening	0.030	0.030	5.69	15.000	17.418	52.6	1.8	45.6
9 Sep 2009	4-Week, reopening	0.090	0.091	4.49	22.000	28.286	39.2	1.4	59.4
1 Sep 2009	4-Week, reopening	0.085	0.086	4.07	26.000	29.782	33.8	0.4	65.8
25 Aug 2009	4-Week, reopening	0.120	0.122	3.62	30.000	35.938	13.5	5.3	81.2
18 Aug 2009	4-Week, reopening	0.125	0.127	3.59	32.000	34.418	32.4	6.4	61.2
11 Aug 2009	4-Week, reopening	0.150	0.152	3.41	35.000	41.286	36.6	2.7	60.7
4 Aug 2009	4-Week, reopening	0.145	0.147	3.77	31.000	34.782	47.3	1.0	51.7
28 Jul 2009	4-Week, reopening	0.130	0.132	3.54	30.000	35.938	18.9	13.8	67.3
21 Jul 2009	4-Week, reopening	0.150	0.152	3.81	31.000	33.419	36.8	12.0	51.2
14 Jul 2009	4-Week, reopening	0.155	0.157	3.48	34.000	40.285	50.7	5.4	43.8
7 Jul 2009	4-Week, reopening	0.160	0.162	3.40	34.000	37.782	41.8	8.5	49.8
30 Jun 2009	4-Week, reopening	0.160	0.162	3.06	35.000	40.938	36.5	10.1	53.5
23 Jun 2009	4-Week, reopening	0.150	0.152	3.35	29.000	31.419	34.4	11.7	53.9
16 Jun 2009	4-Week, reopening	0.095	0.096	3.87	25.000	31.285	46.9	6.6	46.4
9 Jun 2009	4-Week, reopening	0.075	0.076	3.73	30.000	33.782	56.7	7.6	35.7
2 Jun 2009	4-Week, reopening	0.050	0.051	3.34	35.000	40.938	42.2	9.2	48.7
27 May 2009	4-Week, reopening	0.120	0.122	3.24	35.000	37.418	24.6	7.5	67.9
19 May 2009	4-Week, reopening	0.130	0.132	3.44	35.000	41.285	25.0	3.0	71.9
12 May 2009	4-Week, reopening	0.140	0.142	3.57	34.000	37.782	24.1	12.0	63.9
5 May 2009	4-Week, reopening	0.145	0.147	3.44	28.000	33.938	29.9	5.5	64.6
28 Apr 2009	4-Week, reopening	0.055	0.056	4.08	20.000	22.418	31.7	8.8	59.5
21 Apr 2009	4-Week, reopening	0.070	0.071	3.91	20.000	26.285	26.3	12.5	61.2
14 Apr 2009	4-Week, reopening	0.080	0.081	4.08	22.000	25.782	30.5	5.1	64.4
7 Apr 2009	4-Week, reopening	0.160	0.162	3.41	28.000	33.938	31.1	4.6	64.3
31 Mar 2009	4-Week, reopening	0.170	0.172	2.55	34.000	36.418	50.9	2.4	46.7
24 Mar 2009	4-Week, reopening	0.050	0.051	3.40	35.000	41.285	46.0	3.8	50.2
17 Mar 2009	4-Week, reopening	0.130	0.132	3.09	35.000	38.782	44.6	4.5	51.0
10 Mar 2009	4-Week, reopening	0.130	0.132	3.10	34.000	39.938	46.3	5.0	48.7
3 Mar 2009	4-Week, reopening	0.150	0.152	3.40	34.000	36.419	37.5	4.0	58.5
24 Feb 2009	4-Week, reopening	0.205	0.208	2.95	34.000	40.285	45.1	5.0	50.0
18 Feb 2009	4-Week, reopening	0.230	0.233	2.97	36.000	39.782	38.5	9.7	51.8
10 Feb 2009	4-Week, reopening	0.250	0.254	2.98	36.000	41.938	38.4	7.0	54.6
3 Feb 2009	4-Week, reopening	0.285	0.289	2.93	34.000	36.418	33.8	2.6	63.6
27 Jan 2009	4-Week, reopening	0.040	0.041	3.19	32.000	38.285	48.0	0.8	51.2
21 Jan 2009	4-Week, reopening	0.030	0.030	3.07	30.000	33.782	47.9	0.6	51.4
13 Jan 2009	4-Week, reopening	0.020	0.020	3.61	24.000	29.938	46.8	0.4	52.8
6 Jan 2009	4-Week, reopening	0.060	0.061	3.72	24.000	26.418	32.6	1.3	66.1
30 Dec 2008	4-Week, reopening	0.030	0.030	3.09	22.000	28.285	36.6	0.6	62.8
23 Dec 2008	4-Week, reopening	0.000	0.000	4.41	22.000	25.783	50.8	0.5	48.7
16 Dec 2008	4-Week, reopening	0.000	0.000	3.67	25.000	30.941	53.9	0.8	45.3
9 Dec 2008	4-Week, reopening	0.000	0.000	4.20	30.000	32.421	47.2	0.7	52.1
2 Dec 2008	4-Week, reopening	0.040	0.041	3.16	36.000	42.285	31.7	0.9	67.4
25 Nov 2008	4-Week, reopening	0.050	0.051	2.64	32.000	35.782	42.9	1.5	55.6
18 Nov 2008	4-Week, reopening	0.100	0.101	2.78	32.000	37.938	46.5	4.2	49.3
12 Nov 2008	4-Week, reopening	0.070	0.071	3.03	34.000	36.418	34.0	1.5	64.5
4 Nov 2008	4-Week, reopening	0.320	0.325	2.70	34.000	40.285	38.9	1.5	59.6
28 Oct 2008	4-Week, reopening	0.440	0.446	2.78	27.000	30.782	38.8	2.1	59.2
21 Oct 2008	4-Week, reopening	0.700	0.710	2.49	27.000	32.938	32.5	3.6	64.0
15 Oct 2008	4-Week, reopening	0.100	0.101	3.00	27.000	29.418	35.3	2.9	61.8
7 Oct 2008	4-Week, reopening	0.680	0.690	3.26	25.000	31.285	47.4	2.5	50.1
30 Sep 2008	4-Week, reopening	1.010	1.025	2.80	25.000	28.782	42.4	0.6	57.0
23 Sep 2008	4-Week, reopening	0.350	0.355	2.86	30.000	33.885	47.1	0.8	52.1
16 Sep 2008	4-Week, reopening	0.300	0.304	3.26	31.000	31.000	42.1	0.4	57.5
9 Sep 2008	4-Week, reopening	1.575	1.599	2.95	23.000	29.285	19.4	2.5	78.0
3 Sep 2008	4-Week, reopening	1.540	1.563	2.96	26.000	29.782	14.0	2.1	83.9
26 Aug 2008	4-Week, reopening	1.710	1.736	2.78	29.000	32.885	42.0	1.6	56.4
19 Aug 2008	4-Week, reopening	1.790	1.817	2.92	30.000	33.318	26.2	1.8	72.0
12 Aug 2008	4-Week, reopening	1.845	1.873	2.72	28.000	31.933	35.1	1.7	63.2
5 Aug 2008	4-Week, reopening	1.720	1.746	2.77	28.000	29.724	33.9	1.7	64.4
29 Jul 2008	4-Week, reopening	1.710	1.736	2.40	28.000	30.501	30.2	1.7	68.0
22 Jul 2008	4-Week, reopening	1.450	1.472	2.35	28.000	29.410	27.9	0.9	71.2
15 Jul 2008	4-Week, reopening	1.500	1.523	2.48	34.000	36.915	28.0	2.1	69.9
8 Jul 2008	4-Week, reopening	1.865	1.894	2.48	28.000	28.494	29.3	1.1	69.5
1 Jul 2008	4-Week, reopening	1.850	1.878	2.73	27.000	27.000	31.9	2.2	65.9
24 Jun 2008	4-Week, reopening	1.580	1.604	2.81	20.000	20.000	41.4	1.6	57.0
17 Jun 2008	4-Week, reopening	1.840	1.868	3.11	20.000	20.000	22.1	2.0	75.9
10 Jun 2008	4-Week, reopening	1.990	2.021	2.67	23.000	23.000	37.8	0.9	61.3
3 Jun 2008	4-Week, reopening	1.880	1.909	2.72	23.000	23.000	28.1	2.1	69.7
28 May 2008	4-Week, reopening	1.965	1.995	2.45	27.000	27.000	24.9	2.2	73.0
20 May 2008	4-Week, reopening	1.970	2.000	3.60	32.000	32.000	28.0	1.2	70.8
13 May 2008	4-Week, reopening	1.870	1.899	2.77	33.000	33.000	27.3	1.4	71.2
6 May 2008	4-Week, reopening	1.550	1.573	3.00	24.000	24.000	34.3	1.4	64.3
29 Apr 2008	4-Week, reopening	1.250	1.269	3.56	14.000	14.000	33.3	2.3	64.4
22 Apr 2008	4-Week, reopening	0.700	0.710	4.14	8.000	11.788	28.7	3.2	68.1
15 Apr 2008	4-Week, reopening	0.850	0.862	3.94	8.000	10.718	22.4	3.1	74.5
8 Apr 2008	4-Week, reopening	1.260	1.279	3.92	10.000	10.000	25.5	4.2	70.3
1 Apr 2008	4-Week, reopening	1.520	1.543	3.33	18.000	18.000	–	–	–
25 Mar 2008	4-Week, reopening	1.500	1.523	2.82	24.000	24.001	–	–	–
18 Mar 2008	4-Week, reopening	0.520	0.527	2.76	31.000	31.000	–	–	–
11 Mar 2008	4-Week, reopening	1.800	1.828	2.55	31.000	31.000	–	–	–
4 Mar 2008	4-Week, reopening	1.980	2.011	2.79	31.000	36.333	–	–	–
26 Feb 2008	4-Week, reopening	2.320	2.363	2.38	31.000	36.259	–	–	–
20 Feb 2008	4-Week, reopening	2.360	2.404	2.73	28.000	33.035	–	–	–
12 Feb 2008	4-Week, reopening	2.500	2.547	2.56	27.000	29.644	–	–	–
5 Feb 2008	4-Week, reopening	2.210	2.251	2.52	26.000	29.094	–	–	–
29 Jan 2008	4-Week, reopening	2.050	2.087	3.02	20.000	20.000	–	–	–
23 Jan 2008	4-Week, reopening	1.750	1.782	3.97	15.000	15.000	–	–	–
15 Jan 2008	4-Week, reopening	3.080	3.139	3.93	9.000	9.000	–	–	–
8 Jan 2008	4-Week, reopening	3.240	3.302	2.78	15.000	16.006	–	–	–
2 Jan 2008	4-Week, reopening	3.000	3.057	3.17	17.000	17.000	–	–	–
26 Dec 2007	4-Week, reopening	3.040	3.098	2.92	15.000	15.000	–	–	–
18 Dec 2007	4-Week, reopening	2.750	2.802	3.04	20.000	20.000	–	–	–
11 Dec 2007	4-Week, reopening	2.890	2.945	2.52	23.000	23.000	–	–	–
4 Dec 2007	4-Week, reopening	3.100	3.159	2.32	29.000	29.000	–	–	–
27 Nov 2007	4-Week, reopening	3.640	3.711	2.57	28.000	29.676	–	–	–
20 Nov 2007	4-Week, reopening	3.680	3.752	2.36	28.000	30.026	–	–	–
14 Nov 2007	4-Week, reopening	3.870	3.946	2.68	28.000	30.473	–	–	–
6 Nov 2007	4-Week, reopening	3.930	4.008	3.00	25.000	27.881	–	–	–
30 Oct 2007	4-Week, reopening	3.970	4.049	3.22	20.000	25.197	–	–	–
23 Oct 2007	4-Week, reopening	3.915	3.993	3.55	11.000	15.421	–	–	–
16 Oct 2007	4-Week, reopening	4.100	4.182	4.00	8.000	11.255	–	–	–
10 Oct 2007	4-Week, reopening	3.680	3.752	3.89	8.000	11.676	–	–	–
2 Oct 2007	4-Week, reopening	3.510	3.578	3.77	10.000	13.857	–	–	–
25 Sep 2007	4-Week, reopening	3.270	3.333	3.42	12.000	15.040	–	–	–
18 Sep 2007	4-Week, reopening	3.930	4.008	3.24	14.000	16.662	–	–	–
11 Sep 2007	4-Week, reopening	4.000	4.079	2.79	18.000	20.630	–	–	–
5 Sep 2007	4-Week, reopening	4.280	4.366	3.90	25.000	26.971	–	–	–
28 Aug 2007	4-Week, reopening	4.600	4.693	3.32	30.000	30.000	–	–	–
21 Aug 2007	4-Week, reopening	4.750	4.847	1.11	32.000	32.000	–	–	–
14 Aug 2007	4-Week, reopening	4.560	4.653	2.34	27.000	28.649	–	–	–

The table scrolls sideways; the first column stays in place.

Source: U.S. Treasury, Bureau of the Fiscal Service, Fiscal Data, Treasury Securities Auctions Data. Observed 1 Oct 2026.

Shares of competitive bids, grades against earlier auctions and the high-minus-median spread are computed by 500metrics from Treasury's published fields; how.

Sources and licence

U.S. Treasury, Bureau of the Fiscal Service, Fiscal Data (source). Licence: Public domain, a work of the US federal government

Our text and compilation: CC BY 4.0. How to reuse and cite this page.