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 |
|---|---|
| Completed Match | 100% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Set 1 Winner | 100% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Set 2 O/U 8.5 | 100% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Total Sets: O/U 2.5 | 100% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Match O/U 21.5 | 100% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Set 1 O/U 8.5 | 100% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Set 2 O/U 9.5 | 100% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Set 1 O/U 9.5 | 100% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Match O/U 22.5 | 100% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Match O/U 23.5 | 100% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine | 0% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Set 2 Winner | 0% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Set Handicap +/-1.5 | 0% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Set Handicap +/-1.5 | 0% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Set 2 O/U 10.5 | 0% |
| Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine Set 1 O/U 10.5 | 0% |
Market context
Kenta Miyoshi and Constantin Bittoun Kouzmine are set to meet in Samsun, with the market currently implying a modest edge for Miyoshi at 28% YES. The pricing sits in the context of a close pairing on paper: the available head-to-head listings show no prior match-up, while current ranking data places Bittoun Kouzmine higher, around ATP 507, compared with Miyoshi at ATP 602.[2][3][4]
Recent form suggests neither player arrives in poor shape. One stats feed lists both men with matching recent run patterns, and season records that are broadly competitive, with Miyoshi shown at 20–6 in 2026 and Bittoun Kouzmine at 31–20 overall, including a strong hard-court sample for each.[1] Another score source also lists the match on outdoor hard courts in Samsun, which matters because both players have accumulated most of their recent results on that surface rather than clay or grass.[4][15]
For traders, the key catalyst is whether the contest stays on schedule and reaches a completed result before the settlement window closes on 2026-08-08. Live listings already placed the match on 1 August, and one score page showed it underway, which means the main risk is not a long pre-match delay but an interruption, retirement, or cancellation that could push the outcome to the market’s 50-50 fallback.[3][6] The most useful updates will be the official draw/order-of-play, any retirement notice, and whether either player is reported as withdrawn before the match is completed.[3][4]
Methodology
Sports-specific comparison page for Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine. 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
- 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.
- 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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