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PolymarketMacro / FedUpdated 13m ago

Will the Fed increase interest rates by 50+ bps after the September 2026 meeting?

Market probability
0.7%
Little changed over 24 hours
1 day until the scheduled event
Deadline: September 15, 2026 at 8:00 PM ET
Resolution follows the outcome of the scheduled event.

No meaningful repricing — the probability is steady.

The pricing is supported by healthy trading volume and market depth, a tight spread.

How credible was the move?

Three separate questions — a move can be genuine while the latest price is still settling. Methodology →

Move validity

Is the move backed by real trading and depth?

Strong

The pricing is supported by healthy trading volume and market depth, a tight spread.

Consensus stability

Has the market settled at the new probability?

Stable

The probability has held near its current level over the past several hours.

Contract clarity

Will the rules resolve without ambiguity?

High

The resolution rules are relatively specific, with a named source and a defined deadline.

Recent trade activity$3.8K traded

From the latest trade tape (most recent 200 prints) — a live activity sample, not a lifetime total.

What this market actually measures

The FED interest rates are defined in this market by the upper bound of the target federal funds range. The decisions on the target federal funds range are made by the Federal Open Market Committee (FOMC) meetings.

This summary shows the opening of the venue's official rules. ProbCast has not yet generated an independent plain-English interpretation for this contract — review the full rules before relying on it.

View full official resolution rules

The FED interest rates are defined in this market by the upper bound of the target federal funds range. The decisions on the target federal funds range are made by the Federal Open Market Committee (FOMC) meetings. This market will resolve to the amount of basis points the upper bound of the target federal funds rate is changed by versus the level it was prior to the Federal Reserve's September 2026 meeting. If the target federal funds rate is changed to a level not expressed in the displayed options, the change will be rounded up to the nearest 25 and will resolve to the relevant bracket. (e.g. if there's a cut/increase of 12.5 bps it will be considered to be 25 bps) The resolution source for this market is the FOMC’s statement after its meeting scheduled for September 15-16, 2026 according to the official calendar: https://www.federalreserve.gov/monetarypolicy/fomccalendars.htm. The level and change of the target federal funds rate is also published at the official website of the Federal Reserve at https://www.federalreserve.gov/monetarypolicy/openmarket.htm. This market may resolve as soon as the FOMC’s statement for their September meeting with relevant data is issued. If no statement is released by the end date of the next scheduled meeting, this market will resolve to the "No change" bracket.

What could move this market next?

  • The scheduled event takes placeSeptember 15, 2026 at 8:00 PM ET

    The contract resolves on the event's outcome.

Derived from the contract's own mechanics as of Sep 14, 3:54 AM ET. ProbCast does not list scheduled meetings, announcements, or data releases it cannot verify.

Advanced analysis (experimental)

Research signals — these models are still accumulating the history needed for full validation, and they can disagree with the headline read. Model confidence: high · expected error ±7 pts.

Quote-drivenLegacy movement classifier: watch

What's happening

medium classifier confidence
Quote-driven

A tight, deep, quote-driven book with little executed flow. The price is stable but reflects resting quotes more than active trading.

  • Tight spread on a liquid, calm market

The latest price is a dependable read of consensus.

More details — reliability score, dynamics, durability
Reliability score
73High
Where the price path tends to go next292 observed
  • Stable consensus97%
  • Choppy / mean-reverting1%

Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.

DurabilityHigh· half-life ~4w
PredictabilityStable

Secondary read: leaning toward Trading normally.

A read-only classification of the market environment — how much weight the current price deserves as a read of consensus. It describes conditions, never a trade.

Market data

24h volume

$544.7K

Liquidity

$1.5M

Total volume

$20.4M

Category
Macro / Fed
Venue
Polymarket
Open interest
Spread
0.1 pts
Best bid
0.6%
Best ask
0.7%
7-day range
0.7% – 0.7%
Resolves
Sep 15, 2026
Change (pts)1H0.06H0.024H0.07D0.0

Cross-venue check

0.9 pts apart
Match: normalized event signature (moderate match)

Kalshi prices this same question at 2% vs Polymarket at 1%. The venues broadly agree, which adds confidence to the price.

Compare on Kalshi

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