Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative UK) Pick polygram.ink (preferred broker) |
53% | 47% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
53% | 47% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Los Cabos Open: Coleman Wong vs Arthur Gea Match O/U 23.5 | 53% |
| Completed Match | 50% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Set 2 O/U 8.5 | 50% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Set 1 O/U 8.5 | 50% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Set 2 O/U 9.5 | 50% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Match O/U 22.5 | 50% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Set 1 O/U 9.5 | 50% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Set 2 O/U 10.5 | 50% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Set 1 O/U 10.5 | 50% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Match O/U 21.5 | 46% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Set 2 Winner | 45% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Total Sets: O/U 2.5 | 41% |
| Los Cabos Open: Coleman Wong vs Arthur Gea | 39% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Set Handicap +/-1.5 | 39% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Set 1 Winner | 37% |
| Los Cabos Open: Coleman Wong vs Arthur Gea Set Handicap +/-1.5 | 19% |
Market context
Live Polymarket data shows 53% YES probability for Los Cabos Open: Coleman Wong vs Arthur Gea. This market refers to the tennis match between Coleman Wong and Arthur Gea in the Los Cabos Open, originally scheduled for August 1, 2026 at 1:00PM ET. This market will resolve to 'Coleman Wong' if C…
Methodology
We read Los Cabos Open: Coleman Wong vs Arthur Gea from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Kalshi Alternative UK has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
Trade Los Cabos Open: Coleman Wong vs Arthur Gea on Kalshi Alternative UK
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