Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
7% | 93% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
7% | 93% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31 | 7% |
| May 31 | 0% |
| February 28 | 0% |
| March 31 | 0% |
| April 30 | 0% |
Market context
Russia's advance into Zaporizhzhya Oblast has stalled significantly since mid-2024, with frontline positions largely frozen across much of the region. Malokaterynivka, a small settlement roughly 30 kilometres south-west of Zaporizhzhia city, remains under Ukrainian control as of late 2024. The Institute for the Study of War's operational map, which serves as the settlement arbiter, currently shows no Russian territorial gains in this specific locality. The market's 0% implied probability reflects the substantial distance between active Russian positions and this target, combined with the compressed timeframe—just over fourteen months until the February 2026 deadline.
Historical precedent suggests that Russian advances in Zaporizhzhya have been episodic rather than sustained. The 2022 initial invasion saw rapid territorial shifts, but subsequent operations have yielded incremental gains measured in kilometres per month at best. Comparable settlements in the oblast have changed hands only when Russian forces achieved breakthrough conditions elsewhere on the front, typically requiring concentration of forces that diverts resources from other sectors. The current stalemate, with neither side demonstrating capacity for major offensive operations, historically correlates with resolution probabilities well below 5% for specific locality captures on twelve-month horizons.
Traders should monitor Russian activity along the Orikhiv-Zaporizhzhia axis, where any meaningful advance would create preconditions for southern movement toward Malokaterynivka. Artillery expenditure rates, reported by Ukrainian officials and analysed by open-source monitors, serve as leading indicators of operational tempo. Winter conditions through February 2025 typically reduce offensive capability across the region, whilst spring thaw in March-April 2026 would represent the final window for any credible Russian push. Cross-platform comparison shows Polymarket and Kalshi aligned at near-zero probability, suggesting consensus among both retail and institutional traders.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- 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 Kalshi vs Polymarket. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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