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 |
|---|---|
| Completed Match | 100% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Set 2 O/U 8.5 | 100% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Set 1 O/U 8.5 | 100% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Set Handicap +/-1.5 | 100% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Game Spread +/-2.5 | 100% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Set 1 O/U 9.5 | 100% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Set 1 O/U 10.5 | 100% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch | 0% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Set 1 Winner | 0% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Match O/U 21.5 | 0% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Set 2 Winner | 0% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Total Sets: O/U 2.5 | 0% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Set 2 O/U 9.5 | 0% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Match O/U 22.5 | 0% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Set 2 O/U 10.5 | 0% |
| US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch Match O/U 23.5 | 0% |
Market context
Pol Martin Tiffon and Tom Gentzsch met in US Open qualifying, with the match listed for 24 August in New York and covered as a first-round or qualifying tie on Court 13. The crowd’s 0% YES price is best read as a stale or miskeyed market rather than a live view of the tennis, because the event has already been completed in match trackers and result pages show Gentzsch winning in straight sets.
For context, qualifying at the US Open is a short, high-variance path: players must win three rounds to reach the main draw, so one upset or scheduling change can fully alter the settlement path. Comparable qualification markets often move sharply on ranking gaps, surface form and whether a match is actually played, and they can collapse to the default 50-50 outcome if a fixture is cancelled, abandoned without a winner, or left unresolved inside the market’s settlement window.
Regulatory and access framing matters here. A German-facing account is typically read against GlüStV restrictions on local gambling-style offerings, while US CFTC reach is relevant if the platform or users are treated as accessing a derivatives-style prediction product. “No-KYC up to $1,500” generally means a small user can reach the market without identity checks until cumulative activity crosses that threshold, which lowers entry friction but does not change the event’s settlement rules or legal character.
Methodology
This overview of US Open, Qualification ATP: Pol Martin Tiffon vs Tom Gentzsch 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.
- Do I need to KYC for Is Kalshi Legit?
- Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
- 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.
- 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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