KalshiMacro / FedUpdated 8m ago

Will the Federal Reserve Hike rates by 25bps at their September 2027 meeting?

As of Sep 28, 2026, 10:06 AM ET, Kalshi priced this market at 21.5% (up from 10.5% 24 hours earlier). It had $664 traded in the past 24 hours and a bid-ask spread of 13.0 pts.

Market probability
21.5%
+11 percentage points
over 24 hours10.5% → 21.5%
352 days until the event deadline
Deadline: September 15, 2027 at 1:59 PM ET

Too little market data to assess this move — treat the probability with caution.

This venue reports too little volume or book data for this market to judge the trading behind the price.

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?

Insufficient data

This venue reports too little volume or book data for this market to judge the trading behind the price.

Consensus stability

Has the market settled at the new probability?

Forming

Movement has slowed (11 points over six hours) but the market has not fully settled.

Contract clarity

Will the rules resolve without ambiguity?

High

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

What this market actually measures

If the Federal Reserve does a Hike of 25bps on September 15, 2027, then the market resolves to Yes.

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

If the Federal Reserve does a Hike of 25bps on September 15, 2027, then the market resolves to Yes.

Resolution source: If the Federal Reserve does a Hike of 25bps on September 15, 2027, then the market resolve…

Why the odds moved

The probability rose 11.0 percentage points over the last 24 hours (10.5% → 21.5%).

No verified catalyst has been linked to this move yet. ProbCast does not attribute moves to news without evidence connecting the timing of a specific report to the repricing.

What could move this market next?

  • The market's deadline arrivesSeptember 15, 2027 at 1:59 PM ET

    The contract must resolve based on what has happened by this date.

Derived from the contract's own mechanics as of Sep 28, 10:15 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: low · expected error ±34 pts.

Thin marketLegacy movement classifier: noisy

What's happening

medium classifier confidence
Thin market

Thin book and/or wide spread. Small orders can move this price disproportionately, so any single print is noisy and easily overread.

  • Low liquidity score (30)
  • Wide spread (13.0 pts)

Read with caution —Read the latest price with caution; conditions make it an unreliable summary right now.

More details — reliability score, dynamics, durability
Reliability score
0Low
Where the price path tends to go next997 observed
  • Illiquid / quiet98%

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

DurabilityLow· half-life <1h
PredictabilityElevated irreducibility

Secondary read: leaning toward One big trader.

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

$664

Liquidity

$0

Total volume

$1.3K

Category
Macro / Fed
Venue
Kalshi
Open interest
$1K
Spread
13.0 pts
Best bid
15.0%
Best ask
28.0%
7-day range
10.5% – 21.5%
Resolves
Sep 15, 2027
Resolution
If the Federal Reserve does a Hike of 25bps on September 15, 2027, then the market resolve…
Change (pts)1H+0.56H+11.024H+11.07D+11.0

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