Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
18% | 82% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
18% | 82% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31 | 18% |
| October 31 | 8% |
| May 31 | 0% |
| June 30 | 0% |
Market context
The market prices a Russia-Ukraine ceasefire commencing and holding for ten consecutive days by year-end 2026 at zero, reflecting trader conviction that no mutually agreed suspension of direct kinetic warfare will materialise within the settlement window. On Polygon, USDC-denominated conditional tokens currently trade YES at negligible fractions, with NO tokens absorbing nearly all liquidity. This pricing persists despite the 24-month timeframe, suggesting the crowd views structural barriers to negotiated pause as durable rather than temporary.
Historical precedent offers limited comfort for YES positions. The 2014-2015 Minsk agreements, nominally ceasefire frameworks, collapsed within weeks amid competing interpretations of "direct military engagement" and persistent artillery exchanges. The 2022 Istanbul talks produced no formalised suspension. Comparable conflicts—Georgia 2008, Azerbaijan-Armenia 2020—saw ceasefires emerge only after decisive military outcomes shifted negotiating positions, not mid-conflict. The current stalemate, with neither side claiming territorial advantage sufficient to force capitulation, mirrors conditions that historically precede prolonged attrition rather than negotiated pauses.
Traders monitoring this contract should track statements from US, EU and UN mediators regarding peace frameworks, particularly any formal negotiation schedules announced before mid-2026. The International Contact Group on Ukraine and any Trump administration diplomatic initiatives would constitute material catalysts. Ceasefire announcements typically require weeks of backroom coordination before public declaration; absence of credible reporting on active negotiations by mid-2025 would substantially narrow YES probability. The ten-day continuity requirement also raises the bar—temporary local truces or unilateral pauses would not settle YES, requiring both parties' explicit, sustained commitment.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Scam?, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
UK Frequently Asked Questions
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Scam?. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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