Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) 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: Dan Added vs Kenta Miyoshi Set 1 Winner | 100% |
| Samsun: Dan Added vs Kenta Miyoshi Total Sets: O/U 2.5 | 100% |
| Samsun: Dan Added vs Kenta Miyoshi Set 1 O/U 8.5 | 100% |
| Samsun: Dan Added vs Kenta Miyoshi Match O/U 21.5 | 100% |
| Samsun: Dan Added vs Kenta Miyoshi Set 2 O/U 8.5 | 100% |
| Samsun: Dan Added vs Kenta Miyoshi Match O/U 22.5 | 100% |
| Samsun: Dan Added vs Kenta Miyoshi Match O/U 23.5 | 100% |
| Samsun: Dan Added vs Kenta Miyoshi | 0% |
| Samsun: Dan Added vs Kenta Miyoshi Set 2 Winner | 0% |
| Samsun: Dan Added vs Kenta Miyoshi Set Handicap +/-1.5 | 0% |
| Samsun: Dan Added vs Kenta Miyoshi Set 1 O/U 9.5 | 0% |
| Samsun: Dan Added vs Kenta Miyoshi Set Handicap +/-1.5 | 0% |
| Samsun: Dan Added vs Kenta Miyoshi Set 2 O/U 9.5 | 0% |
| Samsun: Dan Added vs Kenta Miyoshi Set 1 O/U 10.5 | 0% |
| Samsun: Dan Added vs Kenta Miyoshi Set 2 O/U 10.5 | 0% |
Market context
Dan Added’s match with Kenta Miyoshi in Samsun is a Challenger-level meeting on outdoor hard courts, with Added listed around ATP No. 224 and Miyoshi around No. 602, and the pair had no recorded head-to-head before this tournament. The market’s 0% YES price is therefore more a statement about how little pre-match certainty there is than about an established mismatch; the rank gap points to Added as the more proven player, but Challenger draws often compress that advantage when the lower-ranked player arrives with stronger recent qualifying form or a favourable surface run.[1][4][8]
What traders should watch most closely is whether the live schedule and match status remain cleanly on track, because the event has already been listed with slightly different start times across scoreboards and previews, which is common in Challenger tennis when courts run behind. Live listings were showing the match in progress on 30 July, so any retirement, suspension, or completion delay is more relevant to settlement than pre-market opinion; if the contest is not finished in the normal window, the market rules point to a 50-50 outcome rather than a win for either side.[1][3][9] The most useful near-term cues are official draw updates, court assignment changes, and any injury or withdrawal note from the tournament feed or local reporting.
Methodology
Sports-specific comparison page for Samsun: Dan Added vs Kenta Miyoshi. 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.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- 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.
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