SimpleFunctions
Winner-take-all answer·5 source contracts·Kalshi 5·refreshed just now·Closes Jan 1, 2029 · 834d

Will the Federal Reserve hike rates by December 31, 2027

Leader sits at 93% across 5 bound outcomes, runner-up at 92%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

93%

Before 2029

runner-up 92¢leader 93¢

Outcomes

5

winner-take-all

Runner-up

92¢

Before July 2028

Spread

1pp

contested

24h volume

$898

thin orderbook

Closes

Jan 1, 2029

834 days

Venue

Kalshi

5 bound

30-day trend

0%50%100%-30d-3w-2w-1wtodayBefore 2029: 93% on 2026-09-18Before July 2028: 92% on 2026-09-17Before 2028: 91% (3 days, 2 points)Before 2028: 91% on 2026-09-19
Before 202993¢Before July 202892¢Before 202891¢
Top 3 candidates by current price · 3d

Bracket family

How the bracket ladder is priced.

Each row is one outcome on the venue. Sorted by 24h volume — the heaviest book is at the top.

Analysis

This market reflects a 92% probability that the Federal Reserve will raise interest rates at some point before the end of 2027. The pricing across the contract ladder suggests traders expect rate increases to occur relatively soon, with near-term contracts (by end of 2026) priced at 81¢, indicating meaningful near-term hike expectations despite recent rate cuts. The primary drivers are the inflation trajectory, labor market data, and Fed communications about policy direction. The December 2027 contract at 89¢ reflects increasing certainty as the timeframe extends, suggesting traders see rate hikes as highly probable within this window. The December 2026 contract pricing—most liquid at $4.2M volume—will be a critical test; if the Fed does not hike by then, the entire probability structure would likely shift lower. Key economic releases, Fed meeting decisions, and employment reports through late 2026 and 2027 will be the primary drivers of price movement.

  • Current Fed policy stance: the overnight rate sits between 4.25-4.5%, following recent cuts; any hike would reverse this easing cycle
  • Inflation data trajectory: if core PCE remains above 2.5% or re-accelerates, probability of hikes increases; disinflation below 2% would reduce likelihood
  • The December 2026 contract (81¢) implies roughly 1-in-5 odds of zero hikes in the next 15 months, representing the near-term resolution point with highest trading volume ($4.2M daily)
  • Rate path expectations: market pricing suggests traders expect rate increases more likely in 2027 than 2026, evident from the step-up from 81¢ to 89¢ across the contract ladder
  • Labor market stability: unemployment rate changes and wage growth data will influence Fed calculations; significant labor weakness would reduce hike probability

What moved the line

  • Sep 18Before July 20274pp8690¢ · Kalshi

Recently closed in fed rate

These markets stopped trading. Last odds and any captured outcome are shown above — full settlement detail lives at the venue.

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How we compute these odds

SimpleFunctions aggregates live prediction-market contracts from Kalshi and Polymarket. Each slug groups contracts that resolve on the same underlying event, identified by venue event_id.

For binary slugs, the headline probability is the liquidity-weighted mid-price across all bound contracts. For multi-outcome slugs (e.g. elections with 3+ candidates), the headline is the leader’s price; we never arithmetically average disjoint outcomes — that would produce a number with no real-world meaning.

Snapshots refresh every 5 minutes during market hours; daily aggregates are computed at 04:00 UTC. The 30-day sparkline is drawn from per-ticker daily means stored in market_indicator_daily; 24h delta and movement events are derived from the same source.

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