How the contract works
Probability
How the price has moved
Analysis
Context
What moves the probability
Inflation prints between now and December
The single largest input. Consecutive monthly readings showing price pressure re-accelerating would give the hawkish side of the committee a mandate and could move this contract by double digits in days. Readings that show inflation drifting back toward target do the opposite, and would likely take the probability below the 63% floor of its recorded range.
The shrinking meeting calendar
Only a small number of scheduled decisions remain before the 8โ9 December meeting concludes the window. Each one that passes with the range unchanged is a permanent reduction in the paths to Yes, which pushes the probability down passively even with no news. This is the most reliable force in the market and it works in one direction only.
Labour market data
A softening jobs market removes the political and economic room for a hike and strengthens the argument for holding or easing. Strong employment alongside firm prices is the combination that most supports Yes. This driver matters roughly as much as inflation because the Fed's mandate weighs both.
Committee composition and guidance
FOMC voting rotates each January, and the chair's four-year term as chair expired in May 2026, so the balance of views inside the room has been a live question this year. Explicit signalling in a statement or press conference that the committee is prepared to tighten would move the price sharply toward Yes; language reaffirming patience does the reverse.
The generous Yes trigger
Settlement needs only one increase to the upper bound at any point in the window, including between meetings. That keeps a floor under the probability, because low-likelihood shock scenarios โ an inflation surprise, a disorderly dollar move โ all resolve Yes without requiring a full tightening cycle. It explains why the contract has never traded near zero.
Financial conditions and the dollar
If long-term Treasury yields and the dollar tighten conditions on their own, the Fed has less need to act, which favours No. A weakening dollar accompanied by rising import costs works the other way. This is a secondary driver but it shapes how the committee reads the inflation data.
The case for
- Inflation data over the autumn shows price pressure firming rather than fading, giving a majority of the committee grounds to accept the cost of reversing direction before year-end.
- The settlement rule requires only a single increase to the upper bound at any point in the window, so one hawkish decision at any remaining meeting โ or an intermeeting move โ is enough, with no sustained cycle required.
- The market has never priced this below 63% in its recorded history, which means participants have consistently seen a credible path to a hike even at the low end of sentiment.
- A labour market that stays firm removes the strongest argument for holding and lets the committee treat inflation as the binding constraint.
The case against
- Central banks reverse direction slowly, and a hike within months of a different stance would force the committee to concede its prior guidance was wrong โ a cost the FOMC has historically preferred to defer.
- Only a small number of scheduled decisions remain before the window closes on 9 December, so the outcome requires action on a specific near date rather than eventually.
- The probability has fallen from 76% at first record to the bottom of its 63%โ78% range, meaning the flow of information so far this year has been read as favouring a hold.
- Any softening in employment data would shift the committee's balance of risks toward the labour side of its mandate and effectively remove a hike from the table for 2026.
What to watch
Trade this contract
- No external wallet needed
- gas covered
- yield on collateral
