Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legit) 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 |
|---|---|
| Samsun: Kenta Miyoshi vs Vadym Ursu | 100% |
| Completed Match | 100% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Set 2 Winner | 100% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Set 1 Winner | 100% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Set 2 O/U 8.5 | 100% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Set Handicap +/-1.5 | 100% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Set 2 O/U 9.5 | 100% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Set 1 O/U 8.5 | 0% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Total Sets: O/U 2.5 | 0% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Match O/U 21.5 | 0% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Set Handicap +/-1.5 | 0% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Set 1 O/U 9.5 | 0% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Match O/U 22.5 | 0% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Set 1 O/U 10.5 | 0% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Set 2 O/U 10.5 | 0% |
| Samsun: Kenta Miyoshi vs Vadym Ursu Match O/U 23.5 | 0% |
Market context
Kenta Miyoshi’s quarter-final against Vadym Ursu in Samsun is priced as a near-certain Miyoshi win, with the market at 100% YES despite third-party match odds still being closer to roughly two-thirds in Miyoshi’s favour rather than a foregone conclusion. Public tennis listings place Miyoshi around ATP No. 602 and Ursu around No. 416, while head-to-head pages note no prior meeting, which matters because the market is not resolving on ranking but on who advances in this specific draw[2][3][9][15]. Comparable cases in Challenger-level events often see crowd prices overreact to one-sided recent form or a late schedule edge, but a one-sided market can still gap sharply if the favourite retires or the event is delayed beyond the settlement window.
For traders, the main catalysts are the official order of play, any same-day delay, and whether the match starts and finishes cleanly, because the market’s outcome turns on advancement rather than raw scoreline. That means withdrawals, medical time-outs leading to retirement, or a postponement beyond seven days are more material than set-by-set momentum. Accessibility also matters: “no-KYC up to $1,500” means a participant can usually gain entry without full identity verification until cumulative activity or balances reach that threshold, which makes the market easier to access but does not remove platform checks or withdrawal limits. On the regulatory side, German GlüStV rules can constrain access or marketing to users in Germany, while US CFTC jurisdiction is relevant because tennis event contracts offered to US persons can fall within federal derivatives oversight even when the underlying event is sports-based; that regulatory split affects who can trade, not the match itself.
Methodology
This overview of Samsun: Kenta Miyoshi vs Vadym Ursu reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
FAQ
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Is Kalshi Legit has a different geo footprint.
- How are winnings taxed?
- Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Is Kalshi Legit stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
- Are prediction markets gambling?
- Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legit would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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