The US Treasury accepted $1.86 billion of nominal coupon securities maturing between 2029 and 2031 from $10.159 billion in dealer offers, a roughly 5.5-to-1 oversubscription. The strong demand prompted the department to announce on August 19 that it would at least double future liquidity-support buybacks for longer-term nominal coupons, raising the minimum purchase size from $2 billion to $4 billion per operation starting September 9 and continuing through November 4. Treasury buybacks retire existing off-the-run securities rather than fund new spending or alter fiscal policy. By supporting less-liquid, previously issued bonds, the program can ease trading conditions, reduce balance-sheet pressure on primary dealers and improve the reliability of Treasury benchmarks used to price corporate bonds and mortgage-backed securities. The expansion is framed as a liquidity measure, not a change in debt-management or interest-rate policy, and may help limit seasonal volatility in fixed-income markets. The next test will be the September 9 operation; offers of $15 billion to $20 billion against a $4 billion acceptance would suggest the program remains undersized relative to demand.