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 |
|---|---|
| Istanbul 2: Harmony Tan vs Lucie Havlickova | 100% |
| Completed Match | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Total Sets: O/U 2.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 2 O/U 8.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 2 Winner | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 1 O/U 8.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Match O/U 21.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Match O/U 22.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 1 O/U 9.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Match O/U 23.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 1 O/U 10.5 | 100% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 1 Winner | 0% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set Handicap +/-1.5 | 0% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 2 O/U 9.5 | 0% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set Handicap +/-1.5 | 0% |
| Istanbul 2: Harmony Tan vs Lucie Havlickova Set 2 O/U 10.5 | 0% |
Market context
Market consensus: 100% chance of istanbul 2: harmony tan vs lucie havlickova. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Harmony Tan and Lucie Havlickova in the Istanbul 2, originally scheduled for July 14, 2026 at 6:00AM ET. This market will resolve to…
Methodology
Sports-specific comparison page for Istanbul 2: Harmony Tan vs Lucie Havlickova. 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.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- 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.
- 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.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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