Treasury Auction Results: Week of Sep 28, 2026
Treasury held 7 auctions in the week of Sep 28, 2026 (Sep 28 – Oct 4, 2026): 7 Treasury bills, with total offering amounts of $586 billion.
U.S. Treasury securities: not FDIC-insured · not bank deposits · market value can change before maturity
Treasury bill rates this week
- 4-Week bill: 3.956% investment rate on Oct 1 (+4.1 bp vs prior)
- 6-Week bill: 4.044% investment rate on Sep 29 (+10.2 bp vs prior)
- 8-Week bill: 4.071% investment rate on Oct 1 (0.0 bp vs prior)
- 13-Week bill: 4.211% investment rate on Sep 28 (+9.8 bp vs prior)
- 17-Week bill: 4.230% investment rate on Sep 30 (−2.1 bp vs prior)
- 26-Week bill: 4.441% investment rate on Sep 28 (+13.8 bp vs prior)
- 52-Week bill: 4.616% investment rate on Sep 29 (+45.5 bp vs prior)
All auction results, Sep 28 – Oct 4, 2026
| Auction date | Security | Term | CUSIP | Headline rate | Bid-to-cover | Change vs prior same-term | Source |
|---|---|---|---|---|---|---|---|
| Bill (reopening) | 8-Week | 912797VZ7 | 4.071% inv. rate | 2.70 | 0.0 bp vs Sep 24 | results PDF | |
| Bill (reopening) | 4-Week | 912797VP9 | 3.956% inv. rate | 2.83 | +4.1 bp vs Sep 24 | results PDF | |
| Bill | 17-Week | 912797WS2 | 4.230% inv. rate | 2.89 | −2.1 bp vs Sep 23 | results PDF | |
| Bill (reopening) | 6-Week | 912797UY1 | 4.044% inv. rate | 2.82 | +10.2 bp vs Sep 22 | results PDF | |
| Bill | 52-Week | 912797WJ2 | 4.616% inv. rate | 3.07 | +45.5 bp vs Sep 1 | results PDF | |
| Bill | 26-Week | 912797WM5 | 4.441% inv. rate | 2.64 | +13.8 bp vs Sep 21 | results PDF | |
| Bill (reopening) | 13-Week | 912797VJ3 | 4.211% inv. rate | 2.99 | +9.8 bp vs Sep 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.
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