Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| Philadelphia Union 1st Half O/U 0.5 | 100% |
| Philadelphia Union 1st Half O/U 1.5 | 100% |
| Philadelphia Union O/U 1.5 | 99% |
| Philadelphia Union O/U 2.5 | 99% |
| Club Necaxa O/U 0.5 | 99% |
| O/U 0.5 | 98% |
| O/U 1.5 | 98% |
| Philadelphia Union O/U 0.5 | 97% |
| Philadelphia Union (-1.5) | 84% |
| 2nd Half O/U 2.5 | 65% |
| Both Teams to Score in Second Half | 50% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| Philadelphia Union 2nd Half O/U 0.5 | 50% |
| Philadelphia Union 2nd Half O/U 1.5 | 50% |
| Club Necaxa 2nd Half O/U 0.5 | 50% |
| Club Necaxa 2nd Half O/U 1.5 | 50% |
| O/U 4.5 | 42% |
| Philadelphia Union (-2.5) | 22% |
| Club Necaxa O/U 1.5 | 19% |
| O/U 5.5 | 7% |
| Club Necaxa O/U 2.5 | 2% |
| Club Necaxa (-1.5) | 1% |
| Club Necaxa (-2.5) | 1% |
| Both Teams to Score in First Half | 1% |
| 1st Half O/U 2.5 | 1% |
| Club Necaxa 1st Half O/U 0.5 | 1% |
| Club Necaxa 1st Half O/U 1.5 | 1% |
Market context
The Philadelphia Union v Club Necaxa match at Subaru Park is priced by Polymarket at a **84% YES** crowd-implied chance on the “more markets” contract, with settlement due by 2026-08-09T23:30:00Z. On Polymarket, that price reflects how traders are allocating **USDC** on **Polygon** against the contract’s **conditional tokens**, so the chart is less a pure match forecast than a live read on whether the listed side markets will resolve as expected.
That level looks rich versus the broader pre-match framing. Polymarket’s own event page had the Union around **60.5%** to win outright, while outside models and previews clustered closer to the mid-50s to mid-60s for Philadelphia, with Necaxa generally in the high teens to low 20s and the draw in the low-to-mid 20s.[2][6][12] That matters because “more markets” contracts often track not just who is favoured, but whether the fixture produces enough marketable outcomes to resolve attached propositions; a home favourite in a Leagues Cup group match can still leave plenty of variance in goals, first scorer, and team-specific submarkets.
For a trader, the main catalysts are the official team news, any late line-up changes, and the competition context around advancement pressure, because these can move pricing on derivative markets faster than the win line. Leagues Cup previews noted Philadelphia were fresh off a win over Cruz Azul while Necaxa were coming off a 2-0 defeat to Chicago Fire, and both clubs entered the match needing points to stay alive in the phase-one table.[1][2] Polymarket users should also watch for any confirmed absences, rotation cues, or schedule knock-on effects from the MLS–Liga MX format, since those can change how much confidence the market places in the conditional-token bundle rather than the headline result alone.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Scam?, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
UK Frequently Asked Questions
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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