T-Bill Rates · Treasury Bills

26-Week (6-Month) Treasury Bill Rates

Every 26-week bill auction since January 2000: the rate it sold at, what $10,000 cost and earned, and when the next one is.

Next auction: Monday, Oct 5, 2026 · size not yet announced · bidding closes 11:30 am ET, results post minutes later

Latest 26-Week Auction

Monday, Sep 28, 2026

26-Week (6-Month) Bill

4.441%

investment rate · +13.8 bp vs prior auction · discount rate 4.285%

$10,000 cost

$9,783.37

$97.833694 per $100

Earns at maturity

$216.63

over 182 days

Matures

Apr 1, 2027

issued Oct 1, 2026

Bid-to-cover

2.64×

$82B sold

At the Sep 28, 2026 auction, the 26-week (6-month) Treasury bill sold at an investment rate of 4.441% (discount rate 4.285%). $10,000 of face value cost $9,783.37 and pays $10,000 on Apr 1, 2027, earning $216.63.

Source: Treasury's official results announcement (PDF)

Highest on Record

6.544%

May 15, 2000

Lowest on Record

0.030%

Sep 16, 2013

A Year Ago

3.828%

Sep 22, 2025

Auctions Tracked

1,396

53 in the last 12 months · since January 2000

Investment rate at every auction

Every 26-week bill auction

The 26 most recent 26-Week (6-Month) Treasury Bill auctions
DateRateDiscountChgPrice / $100$10,000 costEarnsCoverSizeOfficial results
4.441%4.285%+13.8 bp97.833694$9,783.37$216.632.64×$82BPDF
4.303%4.155%+10 bp97.899417$9,789.94$210.062.62×$79BPDF
4.203%4.060%+18 bp97.947444$9,794.74$205.262.74×$79B rPDF
4.023%3.890%+0.5 bp98.033389$9,803.34$196.662.88×$79BPDF
4.018%3.885%+10 bp98.035917$9,803.59$196.412.63×$79BPDF
3.918%3.790%+1.1 bp98.083944$9,808.39$191.613.05×$79BPDF
3.907%3.780%−5.3 bp98.089000$9,808.90$191.102.97×$79B rPDF
3.960%3.830%−2.6 bp98.063722$9,806.37$193.632.85×$79BPDF
3.986%3.855%−9.5 bp98.051083$9,805.11$194.892.98×$79BPDF
4.081%3.945%+11.6 bp98.005583$9,800.56$199.443.12×$79BPDF
3.965%3.835%−2.7 bp98.061194$9,806.12$193.882.94×$79B rPDF
3.992%3.860%+3.2 bp98.048556$9,804.86$195.143.11×$79BPDF
3.960%3.830%−1 bp98.063722$9,806.37$193.633.05×$79BPDF
3.970%3.840%0 bp98.058667$9,805.87$194.132.58×$79BPDF
3.970%3.840%+16.8 bp98.058667$9,805.87$194.132.51×$77B rPDF
3.802%3.680%−1 bp98.139556$9,813.96$186.042.76×$77BPDF
3.812%3.690%+2.6 bp98.134500$9,813.45$186.552.75×$77BPDF
3.786%3.665%+1.5 bp98.147139$9,814.71$185.292.84×$77BPDF
3.771%3.650%+3.8 bp98.144583$9,814.46$185.542.77×$77B rPDF
3.733%3.615%0 bp98.172417$9,817.24$182.763.07×$77BPDF
3.733%3.615%+0.5 bp98.172417$9,817.24$182.762.91×$77BPDF
3.728%3.610%+2.1 bp98.174944$9,817.49$182.512.79×$77BPDF
3.707%3.590%0 bp98.185056$9,818.51$181.492.95×$77B rPDF
3.707%3.590%−2.1 bp98.185056$9,818.51$181.492.89×$77BPDF
3.728%3.610%−0.5 bp98.174944$9,817.49$182.512.84×$77BPDF
3.733%3.615%+1 bp98.172417$9,817.24$182.763.06×$77BPDF
Show 496 earlier auctions, back to October 2016+
Earlier 26-Week (6-Month) Treasury Bill auctions
DateRateDiscount$10,000 costCoverSize
Mar 30, 2026 r3.723%3.605%$9,817.752.83×$77B
Mar 23, 20263.749%3.630%$9,816.483.03×$77B
Mar 16, 20263.686%3.570%$9,819.522.64×$77B
Mar 9, 20263.649%3.535%$9,821.293.09×$77B
Mar 2, 2026 r3.649%3.535%$9,821.293.10×$77B
Feb 23, 20263.639%3.525%$9,821.793.03×$77B
Feb 17, 20263.613%3.500%$9,823.063.08×$77B
Feb 9, 20263.613%3.500%$9,823.063.09×$77B
Feb 2, 2026 r3.639%3.525%$9,821.793.08×$77B
Jan 26, 20263.639%3.525%$9,821.793.07×$77B
Jan 20, 20263.634%3.520%$9,822.042.95×$77B
Jan 12, 20263.602%3.490%$9,823.563.17×$77B
Jan 5, 2026 r3.586%3.475%$9,824.323.28×$77B
Dec 29, 20253.612%3.500%$9,824.032.52×$77B
Dec 22, 20253.596%3.485%$9,824.783.18×$77B
Dec 15, 20253.607%3.495%$9,823.312.84×$77B
Dec 8, 2025 r3.697%3.580%$9,819.013.01×$77B
Dec 1, 20253.754%3.635%$9,816.233.02×$77B
Nov 24, 20253.791%3.670%$9,815.482.77×$77B
Nov 17, 20253.833%3.710%$9,812.442.80×$77B
Nov 10, 2025 r3.812%3.690%$9,813.452.95×$77B
Nov 3, 20253.823%3.700%$9,812.942.92×$77B
Oct 27, 20253.760%3.640%$9,815.983.06×$77B
Oct 20, 20253.781%3.660%$9,814.973.02×$77B
Oct 14, 2025 r3.807%3.685%$9,813.702.95×$77B
Oct 6, 20253.818%3.695%$9,813.203.04×$75B
Sep 29, 20253.839%3.715%$9,812.193.00×$73B
Sep 22, 20253.828%3.705%$9,812.693.01×$73B
Sep 15, 2025 r3.839%3.715%$9,812.193.09×$73B
Sep 8, 20253.854%3.730%$9,811.433.17×$73B
Sep 2, 20254.013%3.880%$9,803.842.70×$73B
Aug 25, 20254.050%3.915%$9,802.083.36×$73B
Aug 18, 2025 r4.081%3.945%$9,800.562.95×$73B
Aug 11, 20254.108%3.970%$9,799.293.21×$73B
Aug 4, 20254.118%3.980%$9,798.793.14×$73B
Jul 28, 20254.266%4.120%$9,791.713.36×$73B
Jul 21, 2025 r4.261%4.115%$9,791.963.06×$73B
Jul 14, 20254.271%4.125%$9,791.463.10×$73B
Jul 7, 20254.293%4.145%$9,790.453.00×$73B
Jun 30, 20254.256%4.110%$9,791.082.77×$71B
Jun 23, 2025 r4.267%4.120%$9,790.572.70×$68B
Jun 16, 20254.303%4.155%$9,791.102.73×$68B
Jun 9, 20254.298%4.150%$9,790.192.74×$68B
Jun 2, 20254.298%4.150%$9,790.193.13×$68B
May 27, 2025 r4.309%4.160%$9,788.532.95×$68B
May 19, 20254.287%4.140%$9,790.702.59×$68B
May 12, 20254.250%4.105%$9,792.473.26×$68B
May 5, 20254.234%4.090%$9,793.233.52×$68B
Apr 28, 2025 r4.208%4.065%$9,794.492.80×$68B
Apr 21, 20254.192%4.050%$9,795.252.93×$68B
Apr 14, 20254.203%4.060%$9,794.742.80×$68B
Apr 7, 20254.139%4.000%$9,797.782.79×$68B
Mar 31, 2025 r4.213%4.070%$9,794.242.99×$68B
Mar 24, 20254.229%4.085%$9,793.483.27×$68B
Mar 17, 20254.245%4.100%$9,792.723.01×$68B
Mar 10, 20254.219%4.075%$9,793.993.03×$68B
Mar 3, 2025 r4.282%4.135%$9,790.953.27×$68B
Feb 24, 20254.330%4.180%$9,788.683.05×$68B
Feb 18, 20254.372%4.220%$9,786.662.63×$70B
Feb 10, 20254.335%4.185%$9,788.432.86×$72B
Feb 3, 2025 r4.303%4.155%$9,789.943.04×$72B
Jan 27, 20254.287%4.140%$9,790.702.92×$72B
Jan 21, 20254.314%4.165%$9,789.443.04×$72B
Jan 13, 20254.330%4.180%$9,788.682.81×$72B
Jan 6, 2025 r4.256%4.110%$9,792.223.20×$72B
Dec 30, 20244.282%4.135%$9,790.953.03×$72B
Dec 23, 20244.319%4.170%$9,789.182.87×$72B
Dec 16, 20244.309%4.160%$9,788.533.29×$72B
Dec 9, 2024 r4.351%4.200%$9,787.672.90×$72B
Dec 2, 20244.462%4.305%$9,782.363.02×$72B
Nov 25, 20244.498%4.340%$9,781.792.69×$72B
Nov 18, 20244.467%4.310%$9,782.112.87×$72B
Nov 12, 2024 r4.467%4.310%$9,782.112.73×$72B
Nov 4, 20244.414%4.260%$9,784.633.00×$72B
Oct 28, 20244.483%4.325%$9,781.353.25×$72B
Oct 21, 20244.467%4.310%$9,782.112.92×$72B
Oct 15, 2024 r4.425%4.270%$9,784.133.05×$72B
Oct 7, 20244.462%4.305%$9,782.363.38×$72B
Sep 30, 20244.367%4.215%$9,786.913.28×$72B
Sep 23, 20244.425%4.270%$9,784.133.42×$70B
Sep 16, 2024 r4.573%4.410%$9,777.052.98×$70B
Sep 9, 20244.701%4.530%$9,770.982.98×$70B
Sep 3, 20244.823%4.645%$9,765.173.08×$70B
Aug 26, 20244.865%4.685%$9,763.153.05×$70B
Aug 19, 2024 r4.956%4.770%$9,758.853.05×$70B
Aug 12, 20244.982%4.795%$9,757.592.73×$70B
Aug 5, 20244.881%4.700%$9,762.392.67×$70B
Jul 29, 20245.126%4.930%$9,750.762.95×$70B
Jul 22, 2024 r5.190%4.990%$9,747.732.85×$70B
Jul 15, 20245.185%4.985%$9,747.982.85×$70B
Jul 8, 20245.286%5.080%$9,743.182.95×$70B
Jul 1, 20245.323%5.115%$9,742.832.99×$70B
Jun 24, 2024 r5.350%5.140%$9,740.143.16×$70B
Jun 17, 20245.361%5.150%$9,739.642.82×$70B
Jun 10, 20245.377%5.165%$9,738.883.09×$70B
Jun 3, 20245.366%5.155%$9,739.392.95×$70B
May 28, 2024 r5.383%5.170%$9,737.193.06×$70B
May 20, 20245.372%5.160%$9,739.132.92×$70B
May 13, 20245.377%5.165%$9,738.883.02×$70B
May 6, 20245.366%5.155%$9,739.392.91×$70B
Apr 29, 2024 r5.377%5.165%$9,738.882.98×$70B
Apr 22, 20245.372%5.160%$9,739.132.80×$70B
Apr 15, 20245.366%5.155%$9,739.392.79×$70B
Apr 8, 20245.329%5.120%$9,741.163.00×$70B
Apr 1, 2024 r5.334%5.125%$9,740.902.85×$70B
Mar 25, 20245.313%5.105%$9,741.912.72×$70B
Mar 18, 20245.340%5.130%$9,740.652.76×$70B
Mar 11, 20245.308%5.100%$9,742.172.95×$70B
Mar 4, 2024 r5.313%5.105%$9,741.912.59×$70B
Feb 26, 20245.340%5.130%$9,740.652.92×$70B
Feb 20, 20245.322%5.100%$9,742.172.96×$70B
Feb 12, 20245.285%5.065%$9,743.942.77×$70B
Feb 5, 2024 r5.263%5.045%$9,744.952.91×$70B
Jan 29, 20245.199%4.985%$9,747.983.14×$70B
Jan 22, 20245.237%5.020%$9,746.212.92×$70B
Jan 16, 20245.188%4.975%$9,748.493.17×$68B
Jan 8, 2024 r5.247%5.030%$9,745.713.06×$68B
Jan 2, 20245.264%5.045%$9,743.553.06×$68B
Dec 26, 20235.301%5.080%$9,743.183.23×$68B
Dec 18, 20235.354%5.130%$9,740.653.10×$68B
Dec 11, 2023 r5.419%5.190%$9,737.623.03×$68B
Dec 4, 20235.419%5.190%$9,737.622.66×$68B
Nov 27, 20235.472%5.240%$9,735.093.01×$68B
Nov 20, 20235.461%5.230%$9,737.052.55×$68B
Nov 13, 2023 r5.504%5.270%$9,733.572.75×$68B
Nov 6, 20235.494%5.260%$9,734.082.92×$68B
Oct 30, 20235.558%5.320%$9,731.042.90×$68B
Oct 23, 20235.564%5.325%$9,730.792.70×$68B
Oct 16, 2023 r5.574%5.335%$9,730.292.91×$68B
Oct 10, 20235.558%5.320%$9,731.042.79×$66B
Oct 2, 20235.580%5.340%$9,730.032.88×$64B
Sep 25, 20235.553%5.315%$9,731.302.91×$62B
Sep 18, 2023 r5.537%5.300%$9,732.063.05×$62B
Sep 11, 20235.537%5.300%$9,732.063.15×$62B
Sep 5, 20235.537%5.300%$9,732.063.02×$62B
Aug 28, 20235.590%5.350%$9,729.533.17×$62B
Aug 21, 2023 r5.531%5.295%$9,732.312.95×$62B
Aug 14, 20235.526%5.290%$9,732.562.78×$62B
Aug 7, 20235.499%5.265%$9,733.832.92×$60B
Jul 31, 20235.504%5.270%$9,733.572.95×$58B
Jul 24, 2023 r5.504%5.270%$9,733.572.89×$58B
Jul 17, 20235.483%5.250%$9,734.583.05×$58B
Jul 10, 20235.504%5.270%$9,733.572.93×$58B
Jul 3, 20235.494%5.260%$9,734.083.02×$58B
Jun 26, 2023 r5.445%5.215%$9,736.352.73×$58B
Jun 20, 20235.397%5.170%$9,738.632.65×$58B
Jun 12, 20235.381%5.155%$9,739.393.02×$58B
Jun 5, 20235.483%5.250%$9,734.583.14×$58B
May 30, 2023 r5.526%5.290%$9,732.562.58×$56B
May 22, 20235.398%5.170%$9,737.192.96×$54B
May 15, 20235.194%4.980%$9,748.232.61×$51B
May 8, 20235.098%4.890%$9,752.782.83×$48B
May 1, 2023 r5.108%4.900%$9,752.282.60×$48B
Apr 24, 20235.044%4.840%$9,755.312.77×$48B
Apr 17, 20235.076%4.870%$9,753.792.78×$48B
Apr 10, 20234.996%4.795%$9,757.592.70×$48B
Apr 3, 2023 r4.900%4.705%$9,762.142.79×$48B
Mar 27, 20234.841%4.650%$9,764.922.85×$48B
Mar 20, 20234.809%4.620%$9,766.432.87×$48B
Mar 13, 20234.895%4.700%$9,762.392.29×$48B
Mar 6, 2023 r5.183%4.970%$9,748.742.80×$48B
Feb 27, 20235.151%4.940%$9,750.262.80×$48B
Feb 21, 20235.110%4.915%$9,751.522.71×$48B
Feb 13, 20235.030%4.840%$9,755.312.54×$48B
Feb 6, 2023 r4.940%4.755%$9,759.612.63×$48B
Jan 30, 20234.860%4.680%$9,763.402.93×$48B
Jan 23, 20234.865%4.685%$9,763.152.76×$48B
Jan 17, 20234.865%4.685%$9,763.152.68×$48B
Jan 9, 2023 r4.892%4.710%$9,761.882.48×$48B
Jan 3, 20234.812%4.635%$9,765.682.78×$45B
Dec 27, 20224.775%4.600%$9,767.442.56×$45B
Dec 19, 20224.722%4.550%$9,769.972.86×$45B
Dec 12, 2022 r4.807%4.630%$9,765.932.66×$45B
Dec 5, 20224.743%4.570%$9,768.962.57×$45B
Nov 28, 20224.722%4.550%$9,769.972.90×$45B
Nov 21, 20224.689%4.520%$9,772.743.03×$45B
Nov 14, 2022 r4.605%4.440%$9,775.532.86×$45B
Nov 7, 20224.658%4.490%$9,773.012.89×$45B
Oct 31, 20224.605%4.440%$9,775.532.95×$45B
Oct 24, 20224.552%4.390%$9,778.062.56×$45B
Oct 17, 2022 r4.398%4.245%$9,785.392.66×$45B
Oct 11, 20224.171%4.030%$9,796.262.86×$45B
Oct 3, 20223.981%3.850%$9,805.362.62×$42B
Sep 26, 20223.981%3.850%$9,805.362.68×$42B
Sep 19, 2022 r3.907%3.780%$9,808.902.75×$42B
Sep 12, 20223.576%3.465%$9,824.833.03×$42B
Sep 6, 20223.424%3.320%$9,832.163.14×$42B
Aug 29, 20223.334%3.235%$9,836.452.88×$42B
Aug 22, 2022 r3.204%3.110%$9,842.772.93×$42B
Aug 15, 20223.109%3.020%$9,847.322.75×$42B
Aug 8, 20223.130%3.040%$9,846.313.09×$42B
Aug 1, 20222.932%2.850%$9,855.922.91×$42B
Jul 25, 2022 r3.005%2.920%$9,852.383.16×$42B
Jul 18, 20222.994%2.910%$9,852.882.65×$42B
Jul 11, 20222.760%2.685%$9,864.262.67×$42B
Jul 5, 20222.567%2.500%$9,873.612.57×$42B
Jun 27, 2022 r2.567%2.500%$9,873.612.79×$42B
Jun 21, 20222.453%2.390%$9,879.172.44×$42B
Jun 13, 20222.214%2.160%$9,890.803.26×$42B
Jun 6, 20221.749%1.710%$9,913.552.87×$42B
May 31, 2022 r1.615%1.580%$9,920.122.81×$42B
May 23, 20221.563%1.530%$9,922.233.07×$42B
May 16, 20221.522%1.490%$9,924.673.09×$42B
May 9, 20221.414%1.385%$9,929.982.72×$42B
May 2, 2022 r1.450%1.420%$9,928.212.99×$42B
Apr 25, 20221.399%1.370%$9,930.742.99×$45B
Apr 18, 20221.275%1.250%$9,936.813.29×$48B
Apr 11, 20221.245%1.220%$9,938.323.32×$48B
Apr 4, 2022 r1.132%1.110%$9,943.883.29×$48B
Mar 28, 20221.070%1.050%$9,946.923.00×$48B
Mar 21, 20220.886%0.870%$9,956.023.17×$48B
Mar 14, 20220.835%0.820%$9,958.543.08×$51B
Mar 7, 2022 r0.722%0.710%$9,964.113.21×$51B
Feb 28, 20220.682%0.670%$9,966.133.12×$51B
Feb 22, 20220.722%0.710%$9,964.112.75×$51B
Feb 14, 20220.784%0.770%$9,961.072.99×$51B
Feb 7, 2022 r0.590%0.580%$9,970.683.13×$51B
Jan 31, 20220.508%0.500%$9,974.722.74×$51B
Jan 24, 20220.386%0.380%$9,980.793.07×$51B
Jan 18, 20220.371%0.365%$9,981.552.70×$51B
Jan 10, 2022 r0.279%0.275%$9,986.102.90×$51B
Jan 3, 20220.223%0.220%$9,988.883.21×$51B
Dec 27, 20210.213%0.210%$9,989.382.91×$51B
Dec 20, 20210.162%0.160%$9,991.912.85×$51B
Dec 13, 2021 r0.132%0.130%$9,993.433.19×$51B
Dec 6, 20210.107%0.105%$9,994.692.86×$51B
Nov 29, 20210.091%0.090%$9,995.452.99×$51B
Nov 22, 20210.071%0.070%$9,996.482.93×$51B
Nov 15, 2021 r0.066%0.065%$9,996.713.41×$51B
Nov 8, 20210.066%0.065%$9,996.733.31×$48B
Nov 1, 20210.066%0.065%$9,996.712.90×$48B
Oct 25, 20210.061%0.060%$9,996.973.34×$48B
Oct 18, 2021 r0.061%0.060%$9,996.973.12×$45B
Oct 12, 20210.056%0.055%$9,997.223.99×$42B
Oct 4, 20210.056%0.055%$9,997.223.30×$42B
Sep 27, 20210.051%0.050%$9,997.473.24×$42B
Sep 20, 2021 r0.046%0.045%$9,997.733.62×$45B
Sep 13, 20210.051%0.050%$9,997.473.78×$45B
Sep 7, 20210.051%0.050%$9,997.473.79×$48B
Aug 30, 20210.056%0.055%$9,997.223.16×$48B
Aug 23, 2021 r0.051%0.050%$9,997.473.02×$48B
Aug 16, 20210.051%0.050%$9,997.472.87×$48B
Aug 9, 20210.051%0.050%$9,997.473.59×$51B
Aug 2, 20210.056%0.055%$9,997.223.25×$51B
Jul 26, 2021 r0.051%0.050%$9,997.473.18×$51B
Jul 19, 20210.051%0.050%$9,997.473.50×$51B
Jul 12, 20210.051%0.050%$9,997.473.74×$51B
Jul 6, 20210.051%0.050%$9,997.473.59×$54B
Jun 28, 2021 r0.056%0.055%$9,997.223.60×$54B
Jun 21, 20210.056%0.055%$9,997.223.64×$54B
Jun 14, 20210.041%0.040%$9,997.983.32×$54B
Jun 7, 20210.041%0.040%$9,997.983.31×$54B
Jun 1, 2021 r0.035%0.035%$9,998.233.10×$54B
May 24, 20210.030%0.030%$9,998.482.78×$54B
May 17, 20210.030%0.030%$9,998.483.28×$54B
May 10, 20210.035%0.035%$9,998.223.28×$54B
May 3, 2021 r0.035%0.035%$9,998.232.72×$54B
Apr 26, 20210.035%0.035%$9,998.233.32×$54B
Apr 19, 20210.041%0.040%$9,997.983.23×$54B
Apr 12, 20210.041%0.040%$9,997.983.39×$54B
Apr 5, 2021 r0.035%0.035%$9,998.233.38×$54B
Mar 29, 20210.041%0.040%$9,997.982.93×$54B
Mar 22, 20210.041%0.040%$9,997.982.96×$54B
Mar 15, 20210.056%0.055%$9,997.222.94×$54B
Mar 8, 2021 r0.061%0.060%$9,996.973.55×$51B
Mar 1, 20210.061%0.060%$9,996.972.91×$51B
Feb 22, 20210.046%0.045%$9,997.732.81×$51B
Feb 16, 20210.061%0.060%$9,996.973.02×$51B
Feb 8, 2021 r0.051%0.050%$9,997.472.99×$51B
Feb 1, 20210.071%0.070%$9,996.463.41×$51B
Jan 25, 20210.086%0.085%$9,995.703.48×$51B
Jan 19, 20210.096%0.095%$9,995.203.09×$51B
Jan 11, 2021 r0.091%0.090%$9,995.453.29×$51B
Jan 4, 20210.091%0.090%$9,995.453.24×$51B
Dec 28, 20200.101%0.100%$9,994.943.10×$51B
Dec 21, 20200.091%0.090%$9,995.453.15×$51B
Dec 14, 2020 r0.086%0.085%$9,995.703.16×$51B
Dec 7, 20200.091%0.090%$9,995.453.32×$51B
Nov 30, 20200.091%0.090%$9,995.453.20×$51B
Nov 23, 20200.091%0.090%$9,995.483.57×$51B
Nov 16, 2020 r0.101%0.100%$9,994.943.18×$51B
Nov 9, 20200.112%0.110%$9,994.442.98×$51B
Nov 2, 20200.112%0.110%$9,994.442.98×$51B
Oct 26, 20200.112%0.110%$9,994.443.49×$51B
Oct 19, 2020 r0.117%0.115%$9,994.193.04×$51B
Oct 13, 20200.117%0.115%$9,994.193.02×$51B
Oct 5, 20200.112%0.110%$9,994.442.91×$51B
Sep 28, 20200.107%0.105%$9,994.693.11×$51B
Sep 21, 2020 r0.107%0.105%$9,994.693.23×$51B
Sep 14, 20200.122%0.120%$9,993.933.26×$51B
Sep 8, 20200.127%0.125%$9,993.682.86×$51B
Aug 31, 20200.117%0.115%$9,994.193.23×$51B
Aug 24, 2020 r0.122%0.120%$9,993.932.92×$51B
Aug 17, 20200.122%0.120%$9,993.932.87×$51B
Aug 10, 20200.122%0.120%$9,993.932.98×$51B
Aug 3, 20200.107%0.105%$9,994.692.91×$51B
Jul 27, 2020 r0.132%0.130%$9,993.432.92×$51B
Jul 20, 20200.132%0.130%$9,993.432.97×$51B
Jul 13, 20200.147%0.145%$9,992.673.17×$51B
Jul 6, 20200.167%0.165%$9,991.662.81×$51B
Jun 29, 2020 r0.167%0.165%$9,991.662.99×$51B
Jun 22, 20200.178%0.175%$9,991.152.94×$54B
Jun 15, 20200.188%0.185%$9,990.652.93×$54B
Jun 8, 20200.188%0.185%$9,990.653.01×$54B
Jun 1, 2020 r0.173%0.170%$9,991.412.72×$54B
May 26, 20200.162%0.160%$9,991.873.00×$54B
May 18, 20200.152%0.150%$9,992.423.13×$54B
May 11, 20200.157%0.155%$9,992.162.97×$54B
May 4, 2020 r0.132%0.130%$9,993.432.99×$51B
Apr 27, 20200.152%0.150%$9,992.423.25×$48B
Apr 20, 20200.147%0.145%$9,992.673.17×$48B
Apr 13, 20200.294%0.290%$9,985.343.08×$48B
Apr 6, 2020 r0.162%0.160%$9,991.913.08×$45B
Mar 30, 20200.101%0.100%$9,994.942.72×$42B
Mar 23, 20200.081%0.080%$9,995.962.50×$39B
Mar 16, 20200.305%0.300%$9,984.832.78×$36B
Mar 9, 2020 r0.406%0.400%$9,979.782.60×$36B
Mar 2, 20201.029%1.010%$9,948.943.11×$39B
Feb 24, 20201.475%1.440%$9,927.203.02×$39B
Feb 18, 20201.547%1.510%$9,923.663.09×$39B
Feb 10, 2020 r1.547%1.510%$9,923.663.56×$39B
Feb 3, 20201.557%1.520%$9,923.162.77×$39B
Jan 27, 20201.573%1.535%$9,922.402.76×$39B
Jan 21, 20201.557%1.520%$9,923.163.20×$36B
Jan 13, 2020 r1.568%1.530%$9,922.652.98×$36B
Jan 6, 20201.557%1.520%$9,923.163.09×$36B
Dec 30, 20191.599%1.560%$9,921.132.81×$36B
Dec 23, 20191.609%1.570%$9,920.633.03×$36B
Dec 16, 2019 r1.588%1.550%$9,921.642.63×$36B
Dec 9, 20191.557%1.520%$9,923.162.98×$36B
Dec 2, 20191.604%1.565%$9,920.883.11×$36B
Nov 25, 20191.619%1.580%$9,920.562.73×$39B
Nov 18, 2019 r1.578%1.540%$9,922.142.89×$42B
Nov 12, 20191.588%1.550%$9,921.642.99×$42B
Nov 4, 20191.573%1.535%$9,922.402.69×$42B
Oct 28, 20191.650%1.610%$9,918.613.23×$42B
Oct 21, 2019 r1.640%1.600%$9,919.112.73×$42B
Oct 15, 20191.661%1.620%$9,918.103.15×$42B
Oct 7, 20191.733%1.690%$9,914.562.52×$42B
Sep 30, 20191.842%1.795%$9,909.252.83×$42B
Sep 23, 2019 r1.909%1.860%$9,905.972.77×$42B
Sep 16, 20191.919%1.870%$9,905.462.74×$42B
Sep 9, 20191.873%1.825%$9,907.742.98×$42B
Sep 3, 20191.873%1.825%$9,907.743.10×$42B
Aug 26, 2019 r1.888%1.840%$9,906.983.05×$42B
Aug 19, 20191.888%1.840%$9,906.982.86×$42B
Aug 12, 20191.940%1.890%$9,904.453.06×$42B
Aug 5, 20192.002%1.950%$9,901.422.31×$39B
Jul 29, 2019 r2.090%2.035%$9,897.123.04×$36B
Jul 22, 20192.064%2.010%$9,898.382.69×$36B
Jul 15, 20192.064%2.010%$9,898.383.22×$36B
Jul 8, 20192.132%2.075%$9,895.102.95×$36B
Jul 1, 2019 r2.095%2.040%$9,897.432.91×$36B
Jun 24, 20192.085%2.030%$9,897.372.69×$36B
Jun 17, 20192.189%2.130%$9,892.322.88×$36B
Jun 10, 20192.199%2.140%$9,891.812.98×$36B
Jun 3, 2019 r2.319%2.255%$9,886.002.70×$36B
May 28, 20192.387%2.320%$9,882.072.91×$36B
May 20, 20192.407%2.340%$9,881.702.82×$36B
May 13, 20192.423%2.355%$9,880.943.26×$36B
May 6, 2019 r2.449%2.380%$9,879.683.21×$36B
Apr 29, 20192.465%2.395%$9,878.923.01×$36B
Apr 22, 20192.470%2.400%$9,878.673.26×$36B
Apr 15, 20192.460%2.390%$9,879.173.09×$36B
Apr 8, 2019 r2.465%2.395%$9,878.923.14×$36B
Apr 1, 20192.449%2.380%$9,879.682.92×$39B
Mar 25, 20192.486%2.415%$9,877.912.88×$39B
Mar 18, 20192.522%2.450%$9,876.142.86×$39B
Mar 11, 2019 r2.527%2.455%$9,875.893.09×$39B
Mar 4, 20192.532%2.460%$9,875.633.03×$39B
Feb 25, 20192.520%2.455%$9,875.893.17×$39B
Feb 19, 20192.520%2.455%$9,875.893.08×$39B
Feb 11, 2019 r2.515%2.450%$9,876.142.95×$39B
Feb 4, 20192.505%2.440%$9,876.642.66×$39B
Jan 28, 20192.515%2.450%$9,876.143.09×$39B
Jan 22, 20192.515%2.450%$9,876.143.10×$39B
Jan 14, 2019 r2.526%2.460%$9,875.633.22×$36B
Jan 7, 20192.536%2.470%$9,875.132.98×$36B
Dec 31, 20182.573%2.505%$9,872.662.92×$36B
Dec 24, 20182.546%2.480%$9,874.623.04×$36B
Dec 17, 2018 r2.552%2.485%$9,874.373.13×$36B
Dec 10, 20182.546%2.480%$9,874.623.07×$36B
Dec 3, 20182.562%2.495%$9,873.863.05×$36B
Nov 26, 20182.541%2.475%$9,874.883.61×$36B
Nov 19, 2018 r2.520%2.455%$9,876.573.16×$36B
Nov 13, 20182.531%2.465%$9,875.383.26×$39B
Nov 5, 20182.515%2.450%$9,876.143.11×$39B
Oct 29, 20182.494%2.430%$9,877.153.01×$39B
Oct 22, 2018 r2.489%2.425%$9,877.403.13×$39B
Oct 15, 20182.479%2.415%$9,877.912.87×$39B
Oct 9, 20182.442%2.380%$9,879.682.79×$42B
Oct 1, 20182.396%2.335%$9,881.952.89×$42B
Sep 24, 2018 r2.380%2.320%$9,882.713.28×$42B
Sep 17, 20182.349%2.290%$9,884.233.09×$42B
Sep 10, 20182.323%2.265%$9,885.493.14×$42B
Sep 4, 20182.297%2.240%$9,886.763.03×$42B
Aug 27, 2018 r2.266%2.210%$9,888.273.06×$45B
Aug 20, 20182.240%2.185%$9,889.543.11×$45B
Aug 13, 20182.235%2.180%$9,889.793.25×$45B
Aug 6, 20182.235%2.180%$9,889.792.66×$45B
Jul 30, 2018 r2.214%2.160%$9,890.803.14×$45B
Jul 23, 20182.193%2.140%$9,891.812.90×$45B
Jul 16, 20182.193%2.140%$9,891.812.98×$45B
Jul 9, 20182.152%2.100%$9,893.832.78×$42B
Jul 2, 2018 r2.136%2.085%$9,894.592.83×$42B
Jun 25, 20182.136%2.085%$9,894.593.00×$42B
Jun 18, 20182.126%2.075%$9,895.102.78×$42B
Jun 11, 20182.126%2.075%$9,895.103.59×$42B
Jun 4, 2018 r2.121%2.070%$9,895.353.27×$42B
May 29, 20182.080%2.030%$9,897.373.10×$42B
May 21, 20182.131%2.080%$9,894.273.16×$42B
May 14, 20182.085%2.035%$9,897.122.98×$42B
May 7, 2018 r2.048%2.000%$9,898.893.12×$42B
Apr 30, 20182.038%1.990%$9,899.393.17×$42B
Apr 23, 20182.033%1.985%$9,899.653.27×$42B
Apr 16, 20181.992%1.945%$9,901.673.12×$42B
Apr 9, 2018 r1.924%1.880%$9,904.963.04×$42B
Apr 2, 20181.950%1.905%$9,903.693.10×$42B
Mar 26, 20181.940%1.895%$9,904.203.06×$45B
Mar 19, 20181.997%1.950%$9,901.422.89×$45B
Mar 12, 2018 r1.893%1.850%$9,906.473.67×$45B
Mar 5, 20181.873%1.830%$9,907.483.19×$45B
Feb 26, 20181.873%1.830%$9,907.483.08×$45B
Feb 20, 20181.862%1.820%$9,907.993.11×$45B
Feb 12, 2018 r1.826%1.785%$9,909.762.74×$42B
Feb 5, 20181.687%1.650%$9,916.582.93×$42B
Jan 29, 20181.661%1.625%$9,917.853.21×$42B
Jan 22, 20181.651%1.615%$9,918.353.00×$42B
Jan 16, 2018 r1.635%1.600%$9,919.113.18×$42B
Jan 8, 20181.610%1.575%$9,920.383.11×$42B
Jan 2, 20181.610%1.575%$9,920.383.05×$42B
Dec 26, 20171.563%1.530%$9,922.653.61×$39B
Dec 18, 2017 r1.512%1.480%$9,925.183.09×$39B
Dec 11, 20171.491%1.460%$9,926.193.26×$39B
Dec 4, 20171.481%1.450%$9,926.693.30×$36B
Nov 27, 20171.466%1.435%$9,927.453.34×$36B
Nov 20, 2017 r1.445%1.415%$9,928.863.33×$36B
Nov 13, 20171.388%1.360%$9,931.243.30×$36B
Nov 6, 20171.327%1.300%$9,934.283.23×$36B
Oct 30, 20171.286%1.260%$9,936.303.47×$36B
Oct 23, 2017 r1.270%1.245%$9,937.063.21×$36B
Oct 16, 20171.265%1.240%$9,937.313.35×$36B
Oct 10, 20171.245%1.220%$9,938.323.01×$36B
Oct 2, 20171.214%1.190%$9,939.843.03×$36B
Sep 25, 2017 r1.193%1.170%$9,940.853.34×$36B
Sep 18, 20171.204%1.180%$9,940.343.21×$36B
Sep 11, 20171.163%1.140%$9,942.373.12×$33B
Sep 5, 20171.137%1.115%$9,943.633.08×$33B
Aug 28, 2017 r1.137%1.115%$9,943.633.41×$33B
Aug 21, 20171.137%1.115%$9,943.633.02×$33B
Aug 14, 20171.137%1.115%$9,943.633.47×$33B
Aug 7, 20171.163%1.140%$9,942.373.05×$33B
Jul 31, 2017 r1.152%1.130%$9,942.873.08×$33B
Jul 24, 20171.152%1.130%$9,942.872.91×$33B
Jul 17, 20171.127%1.105%$9,944.143.54×$33B
Jul 10, 20171.147%1.125%$9,943.133.20×$33B
Jul 3, 2017 r1.152%1.130%$9,942.873.21×$33B
Jun 26, 20171.132%1.110%$9,943.883.35×$33B
Jun 19, 20171.142%1.120%$9,943.383.35×$33B
Jun 12, 20171.122%1.100%$9,944.393.76×$33B
Jun 5, 2017 r1.091%1.070%$9,945.913.35×$33B
May 30, 20171.081%1.060%$9,946.413.62×$33B
May 22, 20171.070%1.050%$9,946.633.06×$33B
May 15, 20171.040%1.020%$9,948.433.15×$33B
May 8, 2017 r1.034%1.015%$9,948.693.01×$33B
May 1, 20170.993%0.975%$9,950.713.25×$33B
Apr 24, 20170.973%0.955%$9,951.723.42×$33B
Apr 17, 20170.963%0.945%$9,952.233.14×$33B
Apr 10, 2017 r0.968%0.950%$9,951.973.25×$33B
Apr 3, 20170.927%0.910%$9,953.993.29×$33B
Mar 27, 20170.922%0.905%$9,954.253.23×$33B
Mar 20, 20170.906%0.890%$9,955.013.10×$33B
Mar 13, 2017 r0.927%0.910%$9,953.993.13×$30B
Mar 6, 20170.850%0.835%$9,957.793.72×$24B
Feb 27, 20170.682%0.670%$9,966.133.11×$28B
Feb 21, 20170.682%0.670%$9,966.133.25×$28B
Feb 13, 2017 r0.656%0.645%$9,967.393.25×$28B
Feb 6, 20170.631%0.620%$9,968.663.64×$28B
Jan 30, 20170.636%0.625%$9,968.403.47×$28B
Jan 23, 20170.610%0.600%$9,969.673.69×$28B
Jan 17, 2017 r0.615%0.605%$9,969.413.35×$28B
Jan 9, 20170.600%0.590%$9,970.173.74×$28B
Jan 3, 20170.641%0.630%$9,968.153.62×$28B
Dec 27, 20160.671%0.660%$9,966.633.83×$28B
Dec 19, 2016 r0.656%0.645%$9,967.393.35×$28B
Dec 12, 20160.656%0.645%$9,967.393.63×$28B
Dec 5, 20160.625%0.615%$9,968.913.72×$28B
Nov 28, 20160.620%0.610%$9,969.164.27×$30B
Nov 21, 2016 r0.615%0.605%$9,969.583.84×$33B
Nov 14, 20160.636%0.625%$9,968.403.13×$36B
Nov 7, 20160.544%0.535%$9,972.953.41×$36B
Oct 31, 20160.508%0.500%$9,974.723.48×$36B
Oct 24, 2016 r0.483%0.475%$9,975.993.50×$36B
Oct 17, 20160.478%0.470%$9,976.243.30×$36B
Oct 11, 20160.503%0.495%$9,974.983.50×$36B
Oct 3, 20160.498%0.490%$9,975.233.58×$36B

Rate = investment rate (bond-equivalent yield); Discount = the same result on Treasury's 360-day discount basis. Chg = rate versus the previous auction of this bill. Price = per $100 of face value, as Treasury prints it; $10,000 cost and Earns scale it to $10,000 of face value. Cover = bid-to-cover ratio. Size = amount offered to the public. r = reopening of an existing bill. PDF = Treasury's official results.

The tables carry the last ten years. The full record since January 2000 is in the chart above and in the open JSON.

Frequently Asked Questions

What is the current 6-month T-bill rate?
At the Sep 28, 2026 auction, the 26-week (6-month) Treasury bill sold at an investment rate of 4.441% (discount rate 4.285%). $10,000 of face value cost $9,783.37 and pays $10,000 on Apr 1, 2027, earning $216.63. The investment rate is the bond-equivalent yield, the number to set beside a savings account or CD rate; the discount rate is the same result on Treasury's 360-day discount basis and is always a little lower.
When is the next 26-week T-bill auction?
The next 26-week bill auction is on Monday, Oct 5, 2026; the size is not announced yet. Competitive bidding closes at 11:30 am Eastern on auction day and Treasury posts the results within minutes.
How much does $10,000 of the 26-week bill cost?
At the Sep 28, 2026 auction, $10,000 of face value cost $9,783.37. It pays $10,000 on Apr 1, 2027, 182 days after issue, so the bill earns $216.63. Individuals can place a non-competitive bid through TreasuryDirect (from $100) or most brokerages (usually from $1,000), up to $10 million per auction, and receive the rate the auction sets. Interest on Treasury bills is subject to federal income tax and exempt from state and local income tax.
What was the 26-week (6-month) T-bill rate a year ago?
3.828%, at the Sep 22, 2025 auction. The latest auction, on Sep 28, 2026, paid 4.441%, 61 bp higher.
What is the highest 26-week (6-month) T-bill rate since 2000?
6.544%, at the May 15, 2000 auction. The lowest was 0.030% on Sep 16, 2013. The record on this page starts with the Jan 3, 2000 auction.
How often does Treasury auction the 26-week bill?
Treasury held 53 26-week bill auctions in the last twelve months, usually on a Monday. 13 of those 53 auctions reopened an existing bill, sharing its CUSIP and maturity date with a longer bill sold earlier; the rest were new issues. The rate is set fresh at each auction either way.

Data: US Department of the Treasury (Fiscal Data and TreasuryDirect); Treasury's official results are linked on every auction. The $10,000 cost and earnings are TFTC's arithmetic from the price per $100. How to read the two rates, and how to buy at auction, is on the T-bill rates page. Full history as open JSON (CC BY 4.0). Not investment advice.