52-Week Treasury Bill Auction Results
Results of every 52-week Treasury bill auction from Oct 28, 2025 to Sep 29, 2026 (13 auctions), from the U.S. Treasury Fiscal Data API. The latest 52-week Treasury bill auction, on Sep 29, 2026, produced a high investment rate of 4.616% (+45.5 bp vs the prior auction on Sep 1, 2026), with a bid-to-cover ratio of 3.07.
U.S. Treasury securities: not FDIC-insured · not bank deposits · market value can change before maturity
- Latest high investment rate4.616%
- Low in this period3.480%
- High in this period4.616%
- Auctions on file13 since
Upcoming 52-week Treasury bill auctions
| Auction date | Security | Term | CUSIP | Offering amount | Issue date | Status | Source |
|---|---|---|---|---|---|---|---|
| Bill | 52-Week | 912797WT0 | 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 23:44 CDT. “Tentative” = on the Treasury schedule, offering announcement pending, so no amount yet; dates and amounts are set by Treasury and can change.
52-Week Treasury Bill auction history
| Auction date | Security | Term | CUSIP | Headline rate | Bid-to-cover | Change vs prior same-term | Source |
|---|---|---|---|---|---|---|---|
| Bill | 52-Week | 912797WJ2 | 4.616% inv. rate | 3.07 | +45.5 bp vs Sep 1 | results PDF | |
| Bill | 52-Week | 912797WA1 | 4.161% inv. rate | 3.61 | +10.7 bp vs Aug 4 | results PDF | |
| Bill | 52-Week | 912797VR5 | 4.054% inv. rate | 3.62 | +2.2 bp vs Jul 7 | results PDF | |
| Bill | 52-Week | 912797VQ7 | 4.032% inv. rate | 3.14 | +11.8 bp vs Jun 9 | results PDF | |
| Bill | 52-Week | 912797VF1 | 3.914% inv. rate | 3.34 | +10.8 bp vs May 12 | results PDF | |
| Bill | 52-Week | 912797UX3 | 3.806% inv. rate | 3.41 | +9.6 bp vs Apr 14 | results PDF | |
| Bill | 52-Week | 912797UE5 | 3.710% inv. rate | 3.21 | +8.0 bp vs Mar 17 | results PDF | |
| Bill | 52-Week | 912797UD7 | 3.630% inv. rate | 3.43 | +15.0 bp vs Feb 17 | results PDF | |
| Bill | 52-Week | 912797TV9 | 3.480% inv. rate | 2.96 | −4.8 bp vs Jan 20 | results PDF | |
| Bill | 52-Week | 912797TM9 | 3.528% inv. rate | 3.42 | +1.1 bp vs Dec 23 | results PDF | |
| Bill | 52-Week | 912797TC1 | 3.517% inv. rate | 3.74 | −8.6 bp vs Nov 25 | results PDF | |
| Bill | 52-Week | 912797SU2 | 3.603% inv. rate | 3.08 | +1.6 bp vs Oct 28 | results PDF | |
| Bill | 52-Week | 912797SK4 | 3.587% inv. rate | 3.21 | — | results PDF |
Source: U.S. Treasury Fiscal Data API, Treasury Securities Auctions Data, retrieved 2026-10-16 23:44 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: 52-week-bill.csv
Related
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