Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| 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
Elmer Moeller faces Ivan Ivanov in a Roehampton grass-court encounter originally scheduled for 17 August 2026. The match sits at 100% implied probability for Moeller's advancement, a ceiling that typically signals either overwhelming form disparity, substantial injury concerns affecting Ivanov, or incomplete market information. Settlement occurs by 24 August 2026, allowing a seven-day window for rescheduling before the market defaults to 50-50 resolution.
Grass-court matchups at Roehampton historically favour players with established serve-and-volley patterns and low first-serve break rates. Moeller's recent record on similar surfaces and Ivanov's performance trajectory through the summer circuit will determine whether the current odds reflect genuine dominance or market overconfidence. Previous Roehampton encounters between comparable-ranked players have occasionally produced upsets when the lower-seeded player possessed superior grass-court experience or when injury management became a factor in the final week before competition.
Traders should monitor official tournament draws and withdrawal announcements through the ATP and WTA channels, particularly any late fitness updates on Ivanov in the 48 hours preceding the scheduled start. Grass-court conditions at Roehampton shift materially with weather patterns—rain delays or court maintenance could trigger the seven-day rescheduling clause. Coaching staff changes or unexpected player retirements from the event would also alter resolution mechanics. The extreme probability reading warrants scrutiny of whether Ivanov has publicly withdrawn or whether Moeller carries injury concerns that have not yet filtered into market pricing.
Methodology
Sports-specific comparison page for Roehampton: Elmer Moeller vs Ivan Ivanov. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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