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ClosedLast odds shown below are frozen at close (Jun 19, 2026). Future questions tracked on /odds.
Winner-take-all answer·3 source contracts·Polymarket 3·closed just now·Closes Dec 31, 2026 · 195d

Russia x Ukraine ceasefire agreement by...

Leader sits at 49% across 3 bound outcomes, runner-up at 34%. This is a winner-take-all market — the headline is the leader’s price, not an arithmetic mean.

Leader probability

49%

December 31

runner-up 34¢leader 49¢

Outcomes

3

winner-take-all

Runner-up

34¢

October 31

Spread

15pp

contested

24h volume

$145K

liquid

Closes

Dec 31, 2026

195 days

Venue

Polymarket

3 bound

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

Market participants estimate a 46% probability that Russia and Ukraine reach a ceasefire agreement by December 31, 2026. The near-term contract (June 30) trades at 9%, suggesting traders view a truce within the next weeks as unlikely. The December deadline implies that any agreement would require either major battlefield developments shifting negotiating positions, a change in political leadership in one or both countries, or diplomatic intervention reshaping incentives. The core driver of uncertainty is whether military dynamics—territorial control, casualty rates, weapons availability—will produce stalemate conditions that make negotiation attractive to both sides. Key upcoming variables include ammunition production capacity, NATO posture shifts, internal political movements, and whether either side achieves decisive territorial gains over the next six months.

  • Current territorial front lines and their stability or movement over the next 90 days will indicate whether either side perceives military advantage or stalemate
  • U.S., EU, and other major power diplomatic signaling—statements on negotiations, sanctions policy, or weapons supply—directly influences both sides' perceived costs of continued conflict
  • Ukrainian domestic political viability of any ceasefire terms versus Russian demands will constrain what agreements are acceptable to Kyiv
  • Russian military losses, recruitment capacity, and domestic political pressure will determine Moscow's willingness to negotiate from current positions
  • Any scheduled major diplomatic summit, peace proposal rollout, or leadership transition announcement before year-end would shift market expectations materially

Recently closed in ukraine

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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