FX.co ★ US 4-Week Treasury Bill Auction Yield Edges Down to 3.625%

The latest US 4-week Treasury bill auction saw the yield ease slightly, with the rate settling at 3.625%, down from the previous 3.640%. The updated data, as of 13 August 2026, signals a marginal decline in short-term government borrowing costs.

While the move is modest, even small shifts in short-term yields are closely watched by investors as they often reflect evolving expectations for monetary policy and liquidity conditions. The lower yield indicates that demand for ultra-short-term US government debt remains solid, allowing the Treasury to fund at a slightly cheaper rate than at the prior auction.

Market participants will continue to monitor upcoming bill auctions and broader yield curve movements for further clues on funding conditions and near-term interest rate expectations in the United States.