How the contract works
A contract on this question settles at $1 if the federal funds target range announced after the 15-16 September 2026 meeting matches the range in place before that meeting, and at nothing if the Committee raises or cuts. A change that does not land on a clean 25 basis-point step is rounded up to the nearest 25 basis-point bracket for the purpose of settling the contract. The price at any moment reflects what buyers and sellers currently think the odds are โ a contract priced at 0.30, for example, would imply the market sees roughly a three-in-ten chance of that outcome, not this market's actual level. Positions can typically be bought or sold at the prevailing price any time before the 16 September 2026 settlement, rather than held to the end.
Yes20%
No80%
Probability
How the price has moved
The market opened at 98% on 29 July 2026, effectively pricing a hold as near-certain. It fell as low as 44% within the recorded window before recovering slightly to the current consensus of 45%, a range of 55 percentage points inside a single day of trading. The timing coincides with the conclusion of the Fed's own July FOMC meeting on 29 July 2026, though the specific public statements that drove the repricing are not part of the recorded data. In the most recent 24 hours the price has not moved at all, suggesting the initial shock has been absorbed and the market has settled into a contested, near-even view rather than continuing to drift.
Analysis
Context
The Federal Open Market Committee sets the federal funds target range at scheduled meetings roughly eight times a year. Its next decision lands on 15-16 September 2026, the meeting this market is built around. The question is simple on its face โ does the upper bound of the target range stay exactly where it was, or does it move โ but the answer depends on incoming data the Fed has not yet seen in full.
The Committee's July 2026 meeting concluded on 29 July 2026, the day before this market's earliest recorded price. Between the July decision and the September one, the Fed will receive a full employment report, at least one more inflation reading, and whatever guidance officials choose to give in public remarks. Those releases, not sentiment alone, are what typically move a rate-hold market this close to the decision.
The headline number here understates how unsettled this question is. The market's own history, first logged on 29 July 2026, opened at 98%, essentially treating a hold as certain. Within the recorded window it has ranged all the way down to 44%, before settling at the current consensus of 45% โ a move of more than 50 percentage points in the space of roughly a day. That kind of swing, from near-certainty to a coin flip, is unusual for a rate market this far from its resolution date and signals that new information sharply changed how traders read the Fed's near-term intentions.
The timing lines up with the Fed's own calendar. The July FOMC meeting concluded on 29 July 2026, one day before this market's first recorded price. A policy statement and press conference at that meeting are the kind of event that can reprice expectations for the following meeting almost overnight, and the size of the move here โ from 98% down toward the low-40s โ is consistent with the Committee opening the door to a September move where markets previously assumed none was coming. The last 24 hours show zero net change, which suggests the repricing has, for now, finished; the market has settled into a genuine dispute rather than continuing to drift.
With 145 price observations logged already and $2,747,409 in volume concentrated on a single venue, Polymarket, this is a market with real participation behind the number, even though it trades in one place rather than being cross-checked against a second venue. A near-even split at 45% is the market's way of saying the outcome genuinely depends on data not yet published โ chiefly the August employment report and the August inflation reading, both due before the Committee meets. Neither figure is in hand yet, which is exactly the condition under which a market sits near 50% rather than clustering near 0% or 100%.
Historically, the Fed's own communications โ the dot plot released with quarterly projections, and remarks from the Chair โ have been the dominant driver of rate-path repricing between meetings, more than any single data release taken alone. The June 2026 projections, if they signalled a data-dependent path rather than a preset cut or hike, would explain why the market can swing this hard on a single week's news: there is no fixed committed path to anchor expectations, so each report moves the probability more than it would if the Fed had already committed to a course.
What moves the probability
August jobs report
Due in early September, before the FOMC meets, this is the last full employment reading the Committee will have. A weak report increases the odds of a cut and pushes the hold probability down; a strong one supports a hold.
August CPI data
Scheduled for mid-September, arriving just before or around the meeting window. A hot inflation print makes both a hold and a hike more likely and cuts less likely; a soft print does the opposite.
Fed communications since July
Public remarks from Committee members after the 29 July 2026 meeting are the most plausible explanation for the drop from 98% to the mid-40s. Any further public signal before September could move the price again in either direction.
June 2026 dot plot
If the Committee's own quarterly projections showed a data-dependent path rather than a locked-in decision, that ambiguity is itself a reason the market can sit near a coin flip this close to the meeting.
Single-venue pricing
All recorded volume sits on one venue, Polymarket. Without a second venue to check the price against, there is no cross-market spread to signal whether 45% reflects broad agreement or a thinner, more contested order book.
The case for
- The Committee could conclude that August data show inflation still running above target, favouring a hold over a cut.
- A resilient labour market in the August jobs report, released before the meeting, would remove pressure for an immediate rate cut.
- Fed officials could use public remarks between now and 16 September 2026 to explicitly signal a pause, stabilising the market's current split.
- A hold requires no single new shock; it is the default outcome absent a clear case for either a cut or a hike.
The case against
- A sharp weakening in the August employment report could push the Committee toward a cut, which would resolve this contract No.
- An unexpected rise in the August inflation reading could, in principle, revive discussion of a hike rather than a hold.
- The size of the move already seen โ from 98% to the mid-40s in about a day โ shows this market can reprice quickly on new information, and more data is still due before 16 September 2026.
- With the probability parked near 45%, the market itself is signalling it does not currently favour a hold as the more likely outcome.
What to watch
The August employment report, due in early September 2026, and the August consumer price index reading, due around mid-September, are the two scheduled releases most likely to move this price before the FOMC meets on 15-16 September 2026. Any speeches or interviews by Federal Reserve officials in the intervening weeks are also worth tracking, since the market's initial repricing appears tied to communications around the July meeting rather than to a single data point. The resolution itself will be read off the FOMC statement published at the end of the September meeting.
Trade this contract
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