Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Roehampton: Elmer Moeller vs Ivan Ivanov | 100% |
| Completed Match | 100% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Set 2 Winner | 100% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Set Handicap +/-1.5 | 100% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Set 1 Winner | 100% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Set 1 O/U 8.5 | 100% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Set 1 O/U 9.5 | 100% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Total Sets: O/U 2.5 | 0% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Set 2 O/U 8.5 | 0% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Match O/U 21.5 | 0% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Set 2 O/U 9.5 | 0% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Set Handicap +/-1.5 | 0% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Match O/U 22.5 | 0% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Set 2 O/U 10.5 | 0% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Set 1 O/U 10.5 | 0% |
| Roehampton: Elmer Moeller vs Ivan Ivanov Match O/U 23.5 | 0% |
Market context
Market consensus: 100% chance of roehampton: elmer moeller vs ivan ivanov. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Elmer Moeller and Ivan Ivanov in the Roehampton, originally scheduled for August 17, 2026 at 5:00AM ET. This market will resolve to …
Methodology
We track Roehampton: Elmer Moeller vs Ivan Ivanov across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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 Kalshi vs Polymarket. 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.
- 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.
- 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 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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