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 |
|---|---|
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils | 100% |
| Completed Match | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Total Sets: O/U 3.5 | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 2 O/U 8.5 | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 1 O/U 8.5 | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 2 Winner | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 1 Winner | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Match O/U 36.5 | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 2 O/U 9.5 | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 1 O/U 9.5 | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Match O/U 38.5 | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 2 O/U 10.5 | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 4 Winner | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 3 O/U 8.5 | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 4 O/U 8.5 | 100% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set Handicap +/-1.5 | 0% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 3 Winner | 0% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Total Sets: O/U 4.5 | 0% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set Handicap +/-2.5 | 0% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 1 O/U 10.5 | 0% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Match O/U 40.5 | 0% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 3 O/U 9.5 | 0% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 3 O/U 10.5 | 0% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 4 O/U 9.5 | 0% |
| Wimbledon ATP: Matteo Berrettini vs Arthur Fils Set 4 O/U 10.5 | 0% |
Market context
The underlying event is the second-round men’s singles match at Wimbledon 2026 between Matteo Berrettini, the 2021 finalist, and Arthur Fils, the rising French star, scheduled for 6:00 AM ET on 2 July 2026 on Centre Court. The market currently implies a 100% chance that Berrettini advances, a probability that must be weighed against their head-to-head record where Fils leads 1–0, having defeated Berrettini 7–6 with a retirement at the 2024 Tokyo Open[5]. Historical precedent shows Berrettini won the first set 7–6(5) in their most recent encounter before retiring, yet Fils ultimately won that tournament, suggesting that while Berrettini holds a 46–14 grass record, Fils has proven capable of overcoming him when matches extend[2][6].
Traders should monitor official Wimbledon updates on player fitness, particularly given Berrettini’s retirement history, and any schedule changes that could delay the match beyond the seven-day settlement window[4]. Recent coverage from The Athletic notes the match is locked at 3–3 in the first set, indicating a tightly contested start that could influence momentum if Berrettini’s physical condition deteriorates[4]. Key catalysts include pre-match medical reports, weather conditions affecting Centre Court play, and any announcements regarding match delays that might trigger the 50–50 resolution clause.
Regulatory accessibility hinges on jurisdiction-specific rules: German GlüStV implications may restrict participation for German residents, while US CFTC reach could limit access for US traders unless the platform complies with federal gambling laws. The “no-KYC up to $1,500” feature enhances accessibility for this market by allowing smaller bets without identity verification, though larger stakes will require full KYC to meet anti-money laundering standards. This structure balances compliance with user convenience, ensuring the market remains open to a global audience while adhering to legal frameworks.
Methodology
This overview of Wimbledon ATP: Matteo Berrettini vs Arthur Fils 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 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.
- 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 Legal in California would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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