Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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: 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
Polymarket is pricing Kenta Miyoshi against Constantin Bittoun Kouzmine at about **73%** for Miyoshi, with settlement in USDC on Polygon through conditional tokens, so the contract is already leaning firmly towards the Japanese player rather than treating this as a close coin-flip. The market description matters here: it pays out on who advances, not merely who leads a set, and it flips to 50-50 if the match is not played, ends level, or drifts more than seven days past the scheduled date without a winner.
The current price fits the wider hard-court profile in the data. Miyoshi is listed around ATP 602 and Bittoun Kouzmine around ATP 507, but recent pricing on bookmaker-style boards has still favoured Miyoshi heavily, with one market showing him around 1.13 to win the match and 1.51 for 2-0 in sets, while public prediction models also put him above 75%[1][15][16]. Both players arrive with recent wins in Samsun and no prior head-to-head, which usually pushes traders towards form, draw path, and local conditions rather than any historical matchup edge[2][3][6].
For Polymarket users, the live catalysts are simple: official scheduling changes, match completion, and any sign of delay or abandonment. Challenger events can move quickly, and the key on-chain question is whether the match is actually decided before the settlement window closes, because a postponed or interrupted contest can push the contract into the fallback 50-50 outcome. Current live score feeds indicate the fixture is active in Samsun on outdoor hard courts, so the main swing factor is whether Miyoshi converts that pre-match edge into an advance rather than leaving the market exposed to a suspension or a walkover-style resolution[4][5][8][14].
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi UK, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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 Kalshi UK. 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.
Trade Samsun: Kenta Miyoshi vs Constantin Bittoun Kouzmine on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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