U.S. Treasury Expected to Make Early Steps Toward Changing Auction Sizes — Market Talk

What happened

TD Securities expects no change in U.S. Treasury coupon auction sizes at next week's quarterly refunding announcement, but expects Treasury to remove guidance about keeping auction sizes steady, according to strategists Gennadiy Goldberg and Molly Brooks.

Confirmed

Global impact / market context

Dropping steady-size guidance signals future changes to how much government debt is sold, which means investors may demand higher yields to hold longer-dated bonds, raising borrowing costs across the economy over time.

Analyst inference

Deutsche Bank says retrenchment in demand for long-dated Treasurys comes from a shrinking pool of buy-and-hold portfolios and a shift toward shorter maturities, which means the government faces weaker appetite for long-term debt.

Analyst inference

What to watch

1. TD Securities expects Treasury to decrease 20- and 30-year auction sizes at the February 2027 refunding and increase 2-10-year auction sizes in May 2027. Confirmed
2. Watch whether Treasury's guidance change leads investors to shift money toward shorter-term government debt, which would mean weaker demand for long-dated bonds and higher term premium. Analyst inference
3. Watch whether Treasury follows TD's view that these changes let it gradually lean away from long-end supply amid the rise in term premium, which means extra compensation for holding longer bonds. Proposed

Evidence

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