Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win 2026) Pick polygram.ink (preferred broker) |
6% | 94% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
6% | 94% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| December 31 | 6% |
| September 30 | 3% |
| May 31 | 0% |
| January 15 | 0% |
| January 31 | 0% |
| March 31 | 0% |
| February 28 | 0% |
| April 30 | 0% |
Market context
Russian forces would need to secure the entirety of Prymorske, a municipality in Zaporizhzhia Oblast, by mid-January 2026 to settle this market affirmatively. The 0% implied probability reflects the substantial distance between current front lines and the target area, combined with the compressed timeframe. As of late 2024, Russian advances in Zaporizhzhia have been measured in kilometres per month rather than the sustained territorial gains required to capture an entire municipality within roughly fourteen months.
Historical precedent suggests caution about rapid Russian territorial consolidation in this region. The 2022 Kharkiv counteroffensive demonstrated Ukrainian capacity to reclaim significant ground, whilst Russian advances in Donetsk and Luhansk have slowed considerably despite numerical advantages. Prymorske's location on the southern flank of Zaporizhzhia makes it strategically valuable but logistically challenging; Russian forces would need to break through multiple defensive lines whilst maintaining supply routes across contested territory. Comparable operations—such as the grinding advance towards Mariupol in early 2022—consumed months and substantial resources for marginal gains.
Traders should monitor winter conditions and any Ukrainian repositioning announcements, as frozen ground typically favours mechanised offensives. Russian mobilisation capacity and casualty rates remain critical dependencies; recent reports from independent analysts suggest manpower constraints are limiting operational tempo. Any significant shift in Western military aid commitments or Ukrainian force withdrawals from other sectors could alter the calculus, though current consensus reflects scepticism about Russian breakthrough capability within the settlement window.
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
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 Who Will Win 2026. 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.
- 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 fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- 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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