FX.co ★ U.S. 3-Month Treasury Bill Auction Yield Edges Up to 4.015%

The yield on the U.S. 3-month Treasury bill rose to 4.015% at the latest auction, up from a previous level of 3.970%. The move, recorded on 21 September 2026, signals a modest increase in short-term borrowing costs for the U.S. government.

This uptick in the 3-month bill yield suggests investors are demanding slightly higher compensation to hold short-term U.S. debt than at the prior auction. While the change is incremental, it can influence funding costs across money markets, including benchmarks for corporate short-term financing and some consumer-rate products tied to short-term Treasury yields.

With the 3-month bill serving as a key gauge of near-term interest rate conditions and liquidity, market participants will be watching subsequent auctions closely to see whether this upward drift in yields continues or stabilizes around current levels.