Treasury’s $6B buyback to test Bitcoin liquidity

The U.S. Treasury told dealers it will accept up to $6 billion in older 10- to 20-year notes in a buyback set for Sept. 10, and market participants will track accepted amounts and any easing in funding conditions to assess potential effects on Bitcoin liquidity.

The operation will run from 1:40 p.m. to 2 p.m. Eastern on Sept. 10, with settlement scheduled for Sept. 11. Eligible securities have remaining maturities from Sept. 11, 2036, through Sept. 10, 2046. The Treasury will publish a final list of eligible issues at 11 a.m. Eastern on the day of the operation.

The announced $6 billion ceiling is triple the prior $2 billion limit and exceeds the minimum $4 billion expansion the Treasury disclosed on Aug. 19. The ceiling is a maximum face amount; the Treasury has not committed to a minimum and may accept less or no offers depending on dealer submissions.

Under Treasury buyback rules, repurchased securities will be retired at settlement rather than lent back into the market. Repurchases can be funded from debt-sale proceeds and the Treasury’s general fund, so accepted amounts do not automatically create net liquidity in the financial system or equate to Federal Reserve asset purchases.

An academic working paper from May 2025 found modest improvements in Treasury trading liquidity and reduced dealer holdings after comparable buybacks, with stronger effects when dealer inventories were high. The paper measured narrower trading spreads and lower dealer inventories in episodes where buybacks were sizable.

Market attention will focus on two near-term milestones: the total the Treasury accepts on Sept. 10 and the scheduled settlement on Sept. 11. Traders and analysts will monitor accepted purchase totals, the price levels at which offers are made, changes in reported dealer inventories, and subsequent moves in secured funding rates and bond trading liquidity.

For participants tracking cryptocurrency markets, those market-functioning measures-bid-ask spreads in Treasuries, pricing differences between older and newer issues, and access to secured borrowing backed by securities-are the indicators they expect to link any Treasury buyback to changes in broader funding conditions and crypto liquidity.

The Treasury operation provides an outlet for selling older, off-the-run securities; whether it affects broader financing for crypto markets will depend on the scale of accepted purchases and on follow-up changes in trading and secured-financing conditions.