Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) 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 |
|---|---|
| September 30 | 7% |
| June 30 | 0% |
| July 31 | 0% |
Market context
Ukraine is still defending Hryshyne, but the settlement sits on one of the most heavily contested approaches to Pokrovsk, where Russian infantry pressure has repeatedly probed the village from multiple sides. Ukrainian units have said they are holding the centre and northern approaches while repelling small-group infiltrations, and several April reports described Russian attempts to establish footholds without confirming durable control changes on the map.[1][3][5][6][8]
That background helps explain why the crowd-implied 0% looks more like a statement about current map status than about the operational picture. Recent reports have already described Russian troops entering parts of Hryshyne, being repelled, and then renewing attacks, which is the kind of churn that can matter on an ISW-based market if a shaded control change appears briefly before settlement date.[1][6][7][9] In comparable frontline markets around Pokrovsk, low probabilities often persist until a formal map update, even when ground reporting shows steady pressure and frequent close-range fighting.
The main catalysts are likely to be any ISW map revision, a major Russian breakthrough north-west of Pokrovsk, or a Ukrainian counterattack that restores visible control over the settlement. Traders should also watch for daily or near-daily Ukrainian brigade and corps updates, because those reports have been the most direct indicators of whether Russian assaults are expanding, stalling, or being pushed back in Hryshyne.[1][2][4][5] If the front continues to shift in small increments rather than through a clear territorial rupture, sportsbook-style lines and prediction-market pricing may stay close to zero until an authoritative map update catches up.
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
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.
FAQ
- 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 does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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