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 |
|---|---|
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar | 100% |
| Completed Match | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 2 O/U 8.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Total Sets: O/U 2.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Match O/U 21.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 1 O/U 8.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 2 Winner | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Match O/U 22.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 1 O/U 9.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Match O/U 23.5 | 100% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 1 Winner | 0% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 2 O/U 9.5 | 0% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set Handicap +/-1.5 | 0% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 2 O/U 10.5 | 0% |
| Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar Set 1 O/U 10.5 | 0% |
Market context
Juan Manuel Cerundolo, the Argentine left-hander ranked in the ATP's top 100, faces Zdenek Kolar of the Czech Republic in an early-round Swiss Open match scheduled for 13 July 2026. Cerundolo has competed on the ATP and Challenger circuits with moderate consistency; Kolar operates primarily at Challenger level. The 100% implied probability reflects either strong market confidence in Cerundolo's superiority or minimal liquidity in the order book, a common pattern for lower-profile qualifying or early-round fixtures where one player carries clear seeding or ranking advantage.
Historical precedent suggests that ATP-ranked players advance against Challenger-level opponents at roughly 75–85% frequency, depending on surface, draw position, and recent form. Grass courts, as used at Swiss Open events, favour serve-dominant players and can produce upsets more readily than hard courts. Cerundolo's left-handed serve may offer tactical advantage on grass, though injury or unexpected withdrawal remains a material risk for either competitor in the fortnight before settlement closes on 20 July.
Traders should monitor ATP injury reports and official Swiss Open draw confirmations through the ATP website and tournament organisers' channels. Withdrawal announcements typically occur 48–72 hours before scheduled play. The market's settlement window extends seven days beyond the scheduled date, meaning delays or postponements within that window do not trigger the 50-50 tie-break clause. Weather disruptions on grass are common in July; any multi-day rain delay could compress the schedule and affect player condition.
Methodology
This overview of Swiss Open: Juan Manuel Cerundolo vs Zdenek Kolar 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
- 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.
- What happens during a tax audit?
- You're responsible for documenting your trades. Is Kalshi Legit exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- 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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