Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Samsun: Koki Matsuda vs Gabriel Debru Set 1 Winner | 100% |
| Samsun: Koki Matsuda vs Gabriel Debru Set 1 O/U 8.5 | 100% |
| Samsun: Koki Matsuda vs Gabriel Debru Set 2 O/U 8.5 | 100% |
| Samsun: Koki Matsuda vs Gabriel Debru Match O/U 21.5 | 100% |
| Samsun: Koki Matsuda vs Gabriel Debru Total Sets: O/U 2.5 | 100% |
| Samsun: Koki Matsuda vs Gabriel Debru Set 2 O/U 9.5 | 100% |
| Samsun: Koki Matsuda vs Gabriel Debru Set 1 O/U 9.5 | 100% |
| Samsun: Koki Matsuda vs Gabriel Debru Match O/U 22.5 | 100% |
| Samsun: Koki Matsuda vs Gabriel Debru Set 2 O/U 10.5 | 100% |
| Samsun: Koki Matsuda vs Gabriel Debru Match O/U 23.5 | 100% |
| Samsun: Koki Matsuda vs Gabriel Debru | 0% |
| Samsun: Koki Matsuda vs Gabriel Debru Set 2 Winner | 0% |
| Samsun: Koki Matsuda vs Gabriel Debru Set Handicap +/-1.5 | 0% |
| Samsun: Koki Matsuda vs Gabriel Debru Set Handicap +/-1.5 | 0% |
| Samsun: Koki Matsuda vs Gabriel Debru Set 1 O/U 10.5 | 0% |
Market context
Market consensus: 100% chance of samsun: koki matsuda vs gabriel debru. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Koki Matsuda and Gabriel Debru in the Samsun, originally scheduled for July 31, 2026 at 3:00AM ET. This market will resolve to 'Koki…
Methodology
This page reviews Samsun: Koki Matsuda vs Gabriel Debru across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Best Prediction Markets, which mirrors the Polymarket order book at 0% fees.
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 Best Prediction Markets. 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.
- 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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