The Overnight Rate

Two per cent

The Fed's own forecast is the first bug we're filing. Friday's print decides how bad it gets.

THURSDAY, SEP 10, 2026Issue 002

"John Bull," says someone, "can stand a great deal, but he cannot stand two per cent."

Walter Bagehot, the Inquirer, July 31, 1852

Bagehot meant yields, and he meant it as a joke about investors who’d rather buy anything than sit on two per cent. The FOMC has the same problem from the other side. It can’t get down to two per cent, and in June it stopped pretending it would this year.

Threshold: Friday, 8:30

Consensus is 3.4%. On Polymarket, 3.3 and 3.4 together hold 79% of the money, so either of those is a Friday. A 3.5 or higher, 22% combined, puts the hike close to a lock, and I’d expect the 52 to clear 70 by 8:35. A 3.2 or lower, 5%, reopens the hold and makes Waller’s camp look smart. I’ll post the receipt at 8:31 either way, with this paragraph quoted, so nobody has to trust my memory.

The Bug Report

The first ticket. Expected, Actual, Severity, Owner, the crowd’s price at filing, Status. The Owner is always an institution.

TOR-0001
Expected:        PCE inflation 2.7% at year end 2026 (FOMC projection, March 2026)
Actual:          3.7% in July (BEA, via CNBC 9/5). FOMC revised its own number to 3.6% in June.
Severity:        High. Each quarter point the miss forces costs the household $125 a year on the HELOC and $15 on the card.
Owner:           FOMC
Odds at filing:  Sept 16 hike 52%. Zero cuts in 2026 93%. (Polymarket, 9/10)
Status:          Open. The 2% version of this ticket has been open since 2021.

I’ve closed tickets younger than the 2021 one.

Who pays: the same print, two bills

Friday’s number does two jobs, and for one house they point in opposite directions.

Job one is the hike. If the print lands at 3.5, the committee raises a quarter point on the 16th, prime moves to 7.00% that afternoon, the household’s $50,000 HELOC at prime plus one reprices on the next statement, and the card follows. That’s $125 a year on the HELOC and $15 on the card. The fixed mortgage doesn’t move.

Job two is the raise. Social Security’s cost-of-living adjustment for next year is the July, August, and September CPI-W average against the same three months a year earlier (SSA). Friday is one of the three inputs. A hot print lifts the January check for every retiree, including the parent this household is driving to appointments.

The household’s HELOC pays for a hot print. The parent’s January check collects on it.

Net net: the household wants a 3.3 on Friday and its parents want a 3.5, and the Fed’s own March forecast said neither number was on the table.

Headlines

Corrected Sept 15: an earlier version of this item said $18.6 billion in the first half of 2026 and a 7.3% annual rise. Both figures and the year were wrong. The source says more than $29 billion in the first half of 2025 and 11.5% for 2025.

The scorecard opens Friday. First entries: the crowd’s 3.4, the Street’s 3.4, Nowflation’s 3.36, and my line that 3.3 or 3.4 is a Friday. Print at 8:30, receipt at 8:31.

The Odds

MarketVenueOddsMove
August CPI prints 3.4%, year over yearPolymarket48%+4
August CPI prints 3.5%Polymarket16%new
Fed hikes 25 bps on Sept 16Polymarket52%0
Zero Fed cuts in 2026Polymarket93%0
Clarity Act signed into law in 2026Polymarket16%0, after touching 14 Wednesday

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