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2026.10.0115:30:00UTC+00US 4-Week Bill Auction Yield Edges Higher to 3.89% on October 1, 2026

The latest 4-week U.S. Treasury bill auction saw the yield tick up to 3.890%, compared with 3.850% at the previous auction. The data, updated on 01 October 2026, indicate a modest rise of 4 basis points in the short-term government borrowing cost.

This upward move suggests investors are demanding slightly higher compensation to hold very short-dated U.S. government debt, reflecting evolving expectations around near-term interest rates and liquidity conditions. While the change is marginal, such shifts in the 4-week bill yield are closely watched by market participants as a sensitive gauge of front-end funding costs and short-term sentiment in the U.S. fixed-income market.

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