Borrowing Update
As an update to this morning’s post on the Treasury’s Quarterly Refunding (Moâ Bills Moâ Problems?), Treasury released its quarterly borrowing estimates this afternoon, and while the headline figure for this quarter edged lower due to a higher starting cash balance, the underlying need moved up and next quarterâs number is projected to be much larger, meaning an even greater reliance on bills if non-Bill borrowing remains constant or shrinks.
For the OctoberâDecember quarter, the Treasury expects to borrow $618 billion in privately held net marketable debt, $10 billion less than it estimated in August. That cut came entirely from starting the quarter with $34 billion more cash than assumed ($984 billion versus $950 billion). Excluding the cash balance, borrowing is $24 billion higher than Augustâs estimate, meaning the deficit is running wider than expected.
For JanuaryâMarch, the Treasury expects to borrow $800 billion, up 38% from $578 billion in its first estimate for the same quarter a year ago. About $150 billion of that is a planned build in the cash balance to $1 trillion at the end of March, from $850 billion. Excluding that, the need is $650 billion, still up 12% from a year ago. Across both quarters, borrowing excluding cash-balance swings totals about $1.4 trillion, versus $1.19 trillion in last Novemberâs estimates, an 18% increase.
Last quarter came in a little better than feared. The Treasury borrowed $742 billion in JulyâSeptember versus its $739 billion estimate, but $34 billion of that went to a larger cash pile, so the underlying need was $30 billion below its August projection.
If note and bond auction sizes are held steady Wednesday, as noted this morning, bills will have to carry most of the increase. Net note and bond issuance ran $322 billion in the JulyâSeptember quarter. At that pace, bills would fund roughly half of this quarterâs borrowing and about 60% of next quarterâs, or roughly $480 billion of net new bills. By Claude’s math, that would lift the bill share of marketable debt to about 23.7% by the end of March, with around $7.9 trillion of bills outstanding. That would be the highest share since December 2020. Itâs also already close to Bank of Americaâs projection of 24.3% (about $8 trillion) by next September, as reported by the Financial Times, before any shift away from 20- and 30-year bonds.
The usual caveat applies: April tax receipts typically pay down bills, so March would likely mark a near-term high. Last AprilâJune, bills outstanding fell $129 billion and the share dropped from 22.1% to 21.5%.
The Treasury will release its full refunding announcement at 8:30 a.m. ET on Wednesday, November 4.








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