Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legal in California) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 1 O/U 8.5 | 100% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 1 O/U 9.5 | 100% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set Handicap +/-1.5 | 100% |
| Samsun: Paul Inchauspe vs Gabriel Debru | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 2 Winner | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 1 Winner | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Total Sets: O/U 2.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Match O/U 21.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set Handicap +/-1.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 2 O/U 8.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Match O/U 22.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 2 O/U 9.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 1 O/U 10.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Match O/U 23.5 | 0% |
| Samsun: Paul Inchauspe vs Gabriel Debru Set 2 O/U 10.5 | 0% |
Market context
Paul Inchauspe and Gabriel Debru were scheduled to meet in the Samsun Challenger semi-finals on hard court, and live listings showed the match as due to start on 1 August 2026 in Turkey. The market’s 0% YES pricing implies no traded expectation of an Inchauspe advance, which is unusual for a live, scheduled tennis semi-final unless the contract is effectively being treated as already settled or the venue/status has not updated cleanly.[1][10][14]
For context, both players have been priced by bookmakers as relatively close in level, with one recent line showing Inchauspe marginally shorter than Debru, while other tennis databases describe their head-to-head as broadly even. That makes a zero-price outcome more about market microstructure, data latency, or event-resolution risk than about a decisive performance edge; in comparable Challenger-level matches, late withdrawals, walkovers, or incomplete scoreboards can dominate pricing more than pre-match strength signals.[15][18][4]
Traders should watch the tournament order of play, any court-start or delay notices, and whether the match completes inside the seven-day settlement window, because cancellation, no-contest, or a delay past that point would send the contract to 50-50 under the market rules. Accessibility also depends on platform rules: “no-KYC up to $1,500” generally means a user can usually trade or withdraw within that threshold without full identity verification, but larger activity can trigger checks; for German users, the GlüStV framework can make sports-style prediction markets especially sensitive from an access and compliance standpoint, while US-facing activity can still fall within CFTC scrutiny if the product is deemed a derivatives-style event contract.
Methodology
This overview of Samsun: Paul Inchauspe vs Gabriel Debru 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
- 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 Legal in California 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.
- Is there a withdrawal cap?
- No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legal in California would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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