US Treasury buyback of $6 billion face value (approx. 8.04 trillion won)... 82.1% concentrated in a single issue

The U.S. Treasury bought back $6 billion in face value of 10- to 20-year notes on June 4, filling its buyback cap after receiving $39.636 billion in offers across 40 eligible securities. Purchases settled June 5 and were limited to seven of the 40 issues, with 82.1% of accepted face value—$4.924 billion—concentrated in a single bond maturing in November 2041, while a May 2041 maturity accounted for $950 million. The heavy single-issue concentration matters because it shows the buyback draining liquidity from one off-the-run maturity rather than broadly across the curve, which can distort relative pricing and cheapen neighboring issues. The operation follows the Treasury's regular liquidity-support buybacks and leaves investors watching whether future rounds show similarly lopsided acceptance and how the 2041 sector trades once settlement clears.