--- title: "17-Week Treasury Bill Auction Results: Sep 30, 2026" description: "17-Week Treasury Bill, Sep 30, 2026: 4.115% high yield, 2.89x cover, indirects 57.8%. Full bidder split, tails and 12-month averages." source: Helious canonical: "https://helious.io/auctions/17-week-bill" --- # 17-Week Treasury Bill Auction: Results, Schedule & History High yield 4.115% Sep 30, 2026 Tail — no when-issued Bid to cover 2.89 12m avg 3.03 Indirects 57.8% 12m avg 56.2% [Ask Helious about the 17-Week Treasury Bill auction](https://helious.io/?ask=How%20did%20the%20last%2017-Week%20Treasury%20Bill%20auction%20go%20and%20what%20does%20the%20tail%20say%3F&from=/auctions/17-week-bill) High yield, last 12 auctions 4.135%3.940%3.745% 2026-07-152026-09-30 Human Agent Last result · Sep 30, 2026 4.115% b/c 2.89 · indirects 57.8% IN LINE { "tenor": "17-week-bill", "date": "2026-09-30", "offering_usd": 75000000000, "high_yield": 4.115, "tail_bps": null, "bid_to_cover": 2.89, "indirect_pct": 57.8, "verdict": "IN LINE" } The 17-Week Treasury Bill auction on Sep 30, 2026 put $75B on offer and stopped at a high yield of 4.115%. The bid-to-cover was 2.89, against a twelve-month average of 3.03. Indirects took 57.8%, directs 6% and primary dealers 36.2%. Helious captured the result live as it crossed and graded it IN LINE. The 17-week became a benchmark tenor in 2022, and it is where Treasury goes when the government needs cash in a hurry. Watch the sizes before you even get to the rate, because they tell you how much financing pressure the government is under. The rate itself fills the gap between the 3-month and the 6-month, the stretch of the curve where the next two FOMC meetings get priced. NEXT AUCTION Auctioned weekly: auctioned every wednesday, settles the following tuesday; results cross ~11:30 ET. LATEST RESULT: SEP 30, 2026 4.115%high yield $75Bon offer 2.89bid-to-cover-0.14 vs avg 57.8%indirects+1.64 vs avg 6%directs+0.07 vs avg 36.2%dealer take-1.71 vs avg IN LINEdesk verdict [Full desk recap →](https://helious.io/news/auc-912797WS2-2026-09-30/17-week-4-month-bill-auction-in-line) 12-MONTH AVERAGES · 39 AUCTIONS 3.03bid-to-cover 56.16%indirects 5.93%directs 37.91%dealer take Read a new result against these numbers. When cover, indirects and directs come in above the average, that is solid investor demand. An above-average [dealer take](https://helious.io/learn/primary-dealers) means the street absorbed the balance. The shares are percentages of *competitive* accepted, so indirects, directs and dealers add up to 100. ## Recent auction results DATECUSIPISSUEOFFEREDHIGH YIELDTAILB/CINDIRECTSDIRECTSDEALERSDESK RECAP Sep 30, 2026Sep 30 ’26 912797WS2 New $75B 4.115% — 2.89 57.8% 6.0% 36.2% [IN LINE →](https://helious.io/news/auc-912797WS2-2026-09-30/17-week-4-month-bill-auction-in-line) Sep 23, 2026Sep 23 ’26 912797WR4 New $72B 4.135% — 2.81 55.1% 10.1% 34.7% [IN LINE →](https://helious.io/news/auc-912797WR4-2026-09-23/17-week-4-month-bill-auction-in-line) Sep 16, 2026Sep 16 ’26 912797WQ6 New $72B 4.030% — 2.72 52.4% 5.3% 42.3% [WEAK →](https://helious.io/news/auc-912797WQ6-2026-09-16/17-week-4-month-bill-auction-weak) Sep 9, 2026Sep 9 ’26 912797WP8 New $72B 3.895% — 2.73 43.7% 8.2% 48.1% [WEAK →](https://helious.io/news/auc-912797WP8-2026-09-09/17-week-4-month-bill-auction-weak) Sep 2, 2026Sep 2 ’26 912797WN3 New $72B 3.855% — 2.78 51.2% 6.7% 42.1% [WEAK →](https://helious.io/news/auc-912797WN3-2026-09-02/17-week-4-month-bill-auction-weak) Aug 26, 2026Aug 26 ’26 912797WH6 New $72B 3.750% — 3.09 60.3% 7.1% 32.6% [IN LINE →](https://helious.io/news/auc-912797WH6-2026-08-26/17-week-4-month-bill-auction-in-line) Aug 19, 2026Aug 19 ’26 912797WG8 New $72B 3.750% — 3.35 60.8% 6.3% 32.9% [IN LINE →](https://helious.io/news/auc-912797WG8-2026-08-19/17-week-4-month-bill-auction-in-line) Aug 12, 2026Aug 12 ’26 912797WF0 New $72B 3.755% — 3.16 62.3% 6.6% 31.1% [IN LINE →](https://helious.io/news/auc-912797WF0-2026-08-12/17-week-4-month-bill-auction-in-line) Aug 5, 2026Aug 5 ’26 912797WE3 New $72B 3.785% — 3.19 64.6% 6.2% 29.3% [STRONG →](https://helious.io/news/auc-912797WE3-2026-08-05/17-week-4-month-bill-auction-strong) Jul 29, 2026Jul 29 ’26 912797VZ7 New $72B 3.875% — 3.04 57.6% 8.4% 33.9% [IN LINE →](https://helious.io/news/auc-912797VZ7-2026-07-29/17-week-4-month-bill-auction-in-line) Jul 22, 2026Jul 22 ’26 912797VY0 New $72B 3.845% — 2.76 53.1% 5.6% 41.3% [IN LINE →](https://helious.io/news/auc-912797VY0-2026-07-22/17-week-4-month-bill-auction-in-line) Jul 15, 2026Jul 15 ’26 912797VX2 New $72B 3.745% — 3.35 60.0% 6.1% 33.8% [STRONG →](https://helious.io/news/auc-912797VX2-2026-07-15/17-week-4-month-bill-auction-strong) The **issue** column says which kind of auction it was. A [reopening](https://helious.io/learn/when-issued-yield) re-auctions a security that already exists, under the same CUSIP, and that is the norm for coupons outside refunding months. "New" sets a fresh coupon. **Offered** is the amount the Treasury announced for sale at that auction. The **tail** is the high yield minus the [when-issued](https://helious.io/learn/when-issued-yield) yield at the bid deadline, in basis points. A positive number means the auction had to concede yield to clear, and a negative one means it stopped through. A dash in that column means no tail exists, or none was captured. Bills never have one, because they price off a discount rate and have no when-issued market. Rows before desk coverage began in July 2026 predate tail capture, and the official records publish no when-issued yield at all. The last column, the **desk recap**, is the desk's live verdict, posted the moment results cross. The desk captures each result and backfills the rest from the full auction record · [download a sample (CSV, recent auctions)](https://helious.io/auctions/17-week-bill.csv). The full history comes through the [Helious API](https://helious.io/developers/) and MCP at [api.helious.io/mcp](https://api.helious.io/mcp), with depth set by plan. Read [what a tail means](https://helious.io/learn/auction-tail) · [bid-to-cover explained](https://helious.io/learn/bid-to-cover-ratio) · [who indirect bidders are](https://helious.io/learn/indirect-bidders) · [who direct bidders are](https://helious.io/learn/direct-bidders). [Watch the next auction live →](https://helious.io/)