26-Week Treasury Bill Auction Results
Results of every 26-week Treasury bill auction from Oct 20, 2025 to Oct 13, 2026 (52 auctions), from the U.S. Treasury Fiscal Data API. The latest 26-week Treasury bill auction, on Oct 13, 2026, produced a high investment rate of 4.351% (+3.7 bp vs the prior auction on Oct 5, 2026), with a bid-to-cover ratio of 2.76.
U.S. Treasury securities: not FDIC-insured · not bank deposits · market value can change before maturity
- Latest high investment rate4.351%
- Low in this period3.586%
- High in this period4.441%
- Auctions on file52 since
Upcoming 26-week Treasury bill auctions
| Auction date | Security | Term | CUSIP | Offering amount | Issue date | Status | Source |
|---|---|---|---|---|---|---|---|
| Bill | 26-Week | 912797WV5 | $82 billion | Announced | announcement PDF | ||
| Bill | 26-Week | 912797WW3 | not yet announced | Tentative | Fiscal Data API |
Source: U.S. Treasury, Bureau of the Fiscal Service — Upcoming Auctions and Treasury Securities Auctions Data (Fiscal Data API), retrieved 2026-10-16 22:52 CDT. “Tentative” = on the Treasury schedule, offering announcement pending, so no amount yet; dates and amounts are set by Treasury and can change.
26-Week Treasury Bill auction history
| Auction date | Security | Term | CUSIP | Headline rate | Bid-to-cover | Change vs prior same-term | Source |
|---|---|---|---|---|---|---|---|
| Bill (reopening) | 26-Week | 912797UE5 | 4.351% inv. rate | 2.76 | +3.7 bp vs Oct 5 | results PDF | |
| Bill | 26-Week | 912797WU7 | 4.314% inv. rate | 2.79 | −12.7 bp vs Sep 28 | results PDF | |
| Bill | 26-Week | 912797WM5 | 4.441% inv. rate | 2.64 | +13.8 bp vs Sep 21 | results PDF | |
| Bill | 26-Week | 912797WL7 | 4.303% inv. rate | 2.62 | +10.0 bp vs Sep 14 | results PDF | |
| Bill (reopening) | 26-Week | 912797UD7 | 4.203% inv. rate | 2.74 | +18.0 bp vs Sep 8 | results PDF | |
| Bill | 26-Week | 912797WK9 | 4.023% inv. rate | 2.88 | +0.5 bp vs Aug 31 | results PDF | |
| Bill | 26-Week | 912797WD5 | 4.018% inv. rate | 2.63 | +10.0 bp vs Aug 24 | results PDF | |
| Bill | 26-Week | 912797WC7 | 3.918% inv. rate | 3.05 | +1.1 bp vs Aug 17 | results PDF | |
| Bill (reopening) | 26-Week | 912797TV9 | 3.907% inv. rate | 2.97 | −5.3 bp vs Aug 10 | results PDF | |
| Bill | 26-Week | 912797WB9 | 3.960% inv. rate | 2.85 | −2.6 bp vs Aug 3 | results PDF | |
| Bill | 26-Week | 912797VV6 | 3.986% inv. rate | 2.98 | −9.5 bp vs Jul 27 | results PDF | |
| Bill | 26-Week | 912797VU8 | 4.081% inv. rate | 3.12 | +11.6 bp vs Jul 20 | results PDF | |
| Bill (reopening) | 26-Week | 912797TM9 | 3.965% inv. rate | 2.94 | −2.7 bp vs Jul 13 | results PDF | |
| Bill | 26-Week | 912797VT1 | 3.992% inv. rate | 3.11 | +3.2 bp vs Jul 6 | results PDF | |
| Bill | 26-Week | 912797VS3 | 3.960% inv. rate | 3.05 | −1.0 bp vs Jun 29 | results PDF | |
| Bill | 26-Week | 912797VJ3 | 3.970% inv. rate | 2.58 | 0.0 bp vs Jun 22 | results PDF | |
| Bill (reopening) | 26-Week | 912797TC1 | 3.970% inv. rate | 2.51 | +16.8 bp vs Jun 15 | results PDF | |
| Bill | 26-Week | 912797VH7 | 3.802% inv. rate | 2.76 | −1.0 bp vs Jun 8 | results PDF | |
| Bill | 26-Week | 912797VG9 | 3.812% inv. rate | 2.75 | +2.6 bp vs Jun 1 | results PDF | |
| Bill | 26-Week | 912797VA2 | 3.786% inv. rate | 2.84 | +1.5 bp vs May 26 | results PDF | |
| Bill (reopening) | 26-Week | 912797SU2 | 3.771% inv. rate | 2.77 | +3.8 bp vs May 18 | results PDF | |
| Bill | 26-Week | 912797UZ8 | 3.733% inv. rate | 3.07 | 0.0 bp vs May 11 | results PDF | |
| Bill | 26-Week | 912797UY1 | 3.733% inv. rate | 2.91 | +0.5 bp vs May 4 | results PDF | |
| Bill | 26-Week | 912797UM7 | 3.728% inv. rate | 2.79 | +2.1 bp vs Apr 27 | results PDF | |
| Bill (reopening) | 26-Week | 912797SK4 | 3.707% inv. rate | 2.95 | 0.0 bp vs Apr 20 | results PDF | |
| Bill | 26-Week | 912797UL9 | 3.707% inv. rate | 2.89 | −2.1 bp vs Apr 13 | results PDF | |
| Bill | 26-Week | 912797UK1 | 3.728% inv. rate | 2.84 | −0.5 bp vs Apr 6 | results PDF | |
| Bill | 26-Week | 912797UJ4 | 3.733% inv. rate | 3.06 | +1.0 bp vs Mar 30 | results PDF | |
| Bill (reopening) | 26-Week | 912797SA6 | 3.723% inv. rate | 2.83 | −2.6 bp vs Mar 23 | results PDF | |
| Bill | 26-Week | 912797UH8 | 3.749% inv. rate | 3.03 | +6.3 bp vs Mar 16 | results PDF | |
| Bill | 26-Week | 912797UG0 | 3.686% inv. rate | 2.64 | +3.7 bp vs Mar 9 | results PDF | |
| Bill | 26-Week | 912797UF2 | 3.649% inv. rate | 3.09 | 0.0 bp vs Mar 2 | results PDF | |
| Bill (reopening) | 26-Week | 912797RS8 | 3.649% inv. rate | 3.10 | +1.0 bp vs Feb 23 | results PDF | |
| Bill | 26-Week | 912797TY3 | 3.639% inv. rate | 3.03 | +2.6 bp vs Feb 17 | results PDF | |
| Bill | 26-Week | 912797TX5 | 3.613% inv. rate | 3.08 | 0.0 bp vs Feb 9 | results PDF | |
| Bill | 26-Week | 912797TW7 | 3.613% inv. rate | 3.09 | −2.6 bp vs Feb 2 | results PDF | |
| Bill (reopening) | 26-Week | 912797RG4 | 3.639% inv. rate | 3.08 | 0.0 bp vs Jan 26 | results PDF | |
| Bill | 26-Week | 912797TQ0 | 3.639% inv. rate | 3.07 | +0.5 bp vs Jan 20 | results PDF | |
| Bill | 26-Week | 912797TP2 | 3.634% inv. rate | 2.95 | +3.2 bp vs Jan 12 | results PDF | |
| Bill | 26-Week | 912797TN7 | 3.602% inv. rate | 3.17 | +1.6 bp vs Jan 5 | results PDF | |
| Bill (reopening) | 26-Week | 912797RF6 | 3.586% inv. rate | 3.28 | −2.6 bp vs Dec 29 | results PDF | |
| Bill | 26-Week | 912797TF4 | 3.612% inv. rate | 2.52 | +1.6 bp vs Dec 22 | results PDF | |
| Bill | 26-Week | 912797TE7 | 3.596% inv. rate | 3.18 | −1.1 bp vs Dec 15 | results PDF | |
| Bill | 26-Week | 912797TD9 | 3.607% inv. rate | 2.84 | −9.0 bp vs Dec 8 | results PDF | |
| Bill (reopening) | 26-Week | 912797QX8 | 3.697% inv. rate | 3.01 | −5.7 bp vs Dec 1 | results PDF | |
| Bill | 26-Week | 912797SX6 | 3.754% inv. rate | 3.02 | −3.7 bp vs Nov 24 | results PDF | |
| Bill | 26-Week | 912797SW8 | 3.791% inv. rate | 2.77 | −4.2 bp vs Nov 17 | results PDF | |
| Bill | 26-Week | 912797SV0 | 3.833% inv. rate | 2.80 | +2.1 bp vs Nov 10 | results PDF | |
| Bill (reopening) | 26-Week | 912797QN0 | 3.812% inv. rate | 2.95 | −1.1 bp vs Nov 3 | results PDF | |
| Bill | 26-Week | 912797SP3 | 3.823% inv. rate | 2.92 | +6.3 bp vs Oct 27 | results PDF | |
| Bill | 26-Week | 912797SN8 | 3.760% inv. rate | 3.06 | −2.1 bp vs Oct 20 | results PDF | |
| Bill | 26-Week | 912797SM0 | 3.781% inv. rate | 3.02 | — | results PDF |
Source: U.S. Treasury Fiscal Data API, Treasury Securities Auctions Data, retrieved 2026-10-16 22:52 CDT; each row links to the official TreasuryDirect results PDF. Bills: investment rate (bond-equivalent) and discount rate. Notes/bonds: high yield and coupon. TIPS: high real yield (before inflation adjustment). FRNs: high discount margin. bp = basis points (0.01 percentage point). Change compares the headline rate with the prior auction of the same security type and term.
Download: 26-week-bill.csv
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