Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legal in California) Pick polygram.ink (preferred broker) |
52% | 48% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
52% | 48% | 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 |
|---|---|
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Match O/U 21.5 | 52% |
| Completed Match | 50% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 2 O/U 8.5 | 50% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 2 O/U 9.5 | 50% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 2 O/U 10.5 | 49% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Match O/U 23.5 | 49% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Match O/U 22.5 | 18% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 2 Winner | 17% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Total Sets: O/U 2.5 | 17% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo | 9% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set Handicap +/-1.5 | 6% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 1 Winner | 0% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 1 O/U 8.5 | 0% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 1 O/U 9.5 | 0% |
| Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo Set 1 O/U 10.5 | 0% |
Market context
The Swiss Open tennis tournament will host a first-round match between Raphael Collignon and Juan Manuel Cerundolo on 18 July 2026. Collignon, a Belgian player ranked outside the top 200, faces Cerundolo, an Argentine with ATP experience and a ranking typically in the 100–150 range. The 54% crowd probability favours Collignon, suggesting market participants view him as a slight favourite despite Cerundolo's higher historical ranking and tour exposure. Early-round clay-court matchups between players of this calibre often hinge on recent form, surface comfort, and head-to-head records rather than seeding alone.
Historical context shows that Belgian players on clay have produced mixed results at Swiss Open level; Collignon has limited Grand Slam or ATP 500 appearances to establish a clear pattern. Cerundolo's family tennis background and Argentine clay pedigree typically confer an advantage on European clay, yet his inconsistency across surfaces and recent injury history (if any) would shift the calculus. Comparable first-round encounters at this venue between unseeded players in the 100–200 ranking band have favoured the player with recent match play and a winning record on clay within the preceding six months.
Traders should monitor official Swiss Open draw confirmation and any late withdrawals or schedule shifts in early July 2026. Injury announcements from either player's camp, particularly in the week before the match, will be critical. Recent ATP or Challenger results posted in June and early July will provide the most reliable form indicator. The settlement window closes 25 July, allowing a seven-day grace period for rescheduling; any delay beyond that triggers a 50-50 resolution.
Methodology
This overview of Swiss Open: Raphael Collignon vs Juan Manuel Cerundolo 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 Legal in California has a different geo footprint.
- Do I need to KYC for Is Kalshi Legal in California?
- 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 Legal in California exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- 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).
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