The 4-Week Bill Auction determines the yield on the shortest-term debt obligations issued by the U.S. Treasury. These auctions are key indicators of short-term interest rate expectations and overall market liquidity. Investors closely monitor the 'bid-to-cover' ratio, which compares the amount of bids received to the amount accepted, to assess demand for government debt. The resulting yield influences various short-term lending rates across the financial system.
The auction is conducted using a Dutch auction format where the highest yield required to sell the entire offering becomes the rate for all successful bidders. Both competitive and non-competitive bids are accepted.
| Date | Actual | Forecast | Surprise |
|---|---|---|---|
| Aug 27, 2026 | 3.65 | — | — |
| Aug 20, 2026 | 3.64 | — | — |
| Aug 13, 2026 | 3.63 | — | — |
| Aug 6, 2026 | 3.64 | — | — |
| Jul 30, 2026 | 3.63 | — | — |
| Jul 23, 2026 | 3.73 | — | — |
| Jul 16, 2026 | 3.66 | — | — |
| Jul 9, 2026 | 3.63 | — | — |
| Jul 2, 2026 | 3.60 | — | — |
| Jun 25, 2026 | 3.61 | — | — |
| Jun 18, 2026 | 3.58 | — | — |
| Jun 11, 2026 | 3.60 | — | — |
| Jun 4, 2026 | 3.62 | — | — |
| May 28, 2026 | 3.63 | — | — |
| May 21, 2026 | 3.61 | — | — |
| May 14, 2026 | 3.60 | — | — |
| May 7, 2026 | 3.61 | — | — |
| Apr 30, 2026 | 3.60 | — | — |
| Apr 23, 2026 | 3.60 | — | — |
| Apr 16, 2026 | 3.60 | — | — |
| Apr 9, 2026 | 3.56 | — | — |
| Mar 26, 2026 | 3.62 | — | — |
| Mar 19, 2026 | 3.62 | — | — |
| Mar 12, 2026 | 3.64 | — | — |
| Mar 5, 2026 | 3.64 | — | — |
| Feb 26, 2026 | 3.63 | — | — |
| Feb 19, 2026 | 3.63 | — | — |
| Feb 12, 2026 | 3.63 | — | — |
| Feb 5, 2026 | 3.63 | — | — |
| Jan 29, 2026 | 3.63 | — | — |
| Jan 22, 2026 | 3.63 | — | — |
| Jan 15, 2026 | 3.60 | — | — |
| Jan 8, 2026 | 3.55 | — | — |
| Dec 31, 2025 | 3.59 | — | — |
| Dec 24, 2025 | 3.57 | — | — |
| Dec 18, 2025 | 3.58 | — | — |
| Dec 11, 2025 | 3.61 | — | — |
| Dec 4, 2025 | 3.68 | — | — |
| Nov 26, 2025 | 3.90 | — | — |
| Nov 20, 2025 | 3.89 | — | — |
| Nov 13, 2025 | 3.90 | — | — |
| Nov 6, 2025 | 3.88 | — | — |
| Oct 30, 2025 | 3.91 | — | — |
| Oct 23, 2025 | 3.94 | — | — |
| Oct 16, 2025 | 4.03 | — | — |
| Oct 9, 2025 | 4.03 | — | — |
| Oct 2, 2025 | 4.06 | — | — |
| Sep 25, 2025 | 4.08 | — | — |
| Sep 18, 2025 | 4.04 | — | — |
| Sep 11, 2025 | 4.06 | — | — |
