Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| New York City FC O/U 0.5 | 100% |
| Club Necaxa O/U 0.5 | 100% |
| New York City FC 1st Half O/U 0.5 | 100% |
| O/U 2.5 | 51% |
| Both Teams to Score in Second Half | 51% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| New York City FC 2nd Half O/U 0.5 | 50% |
| New York City FC 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% |
| New York City FC O/U 1.5 | 35% |
| Club Necaxa O/U 1.5 | 22% |
| O/U 3.5 | 14% |
| New York City FC O/U 2.5 | 13% |
| New York City FC (-1.5) | 8% |
| Club Necaxa (-1.5) | 2% |
| New York City FC (-2.5) | 2% |
| O/U 4.5 | 2% |
| Club Necaxa O/U 2.5 | 2% |
| New York City FC 1st Half O/U 1.5 | 1% |
| Club Necaxa 1st Half O/U 0.5 | 1% |
| Club Necaxa 1st Half O/U 1.5 | 1% |
| Club Necaxa (-2.5) | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
Market context
New York City FC’s Leagues Cup meeting with Club Necaxa was scheduled for 13 August at Sports Illustrated Stadium in Harrison, New Jersey, and the fixture sits in the final matchday of Phase One. League and club previews said NYCFC needed a regulation win and help elsewhere to stay alive, while Necaxa had already been eliminated, which typically leaves more room for rotation and a less predictable game state than a standard league match.[7][11][12]
An 8% yes price is well below most pre-match football baselines for a home favourite in a knockout-style group finale, but this market is not the match result itself; it is a basket of secondary outcomes. That matters because comparable Leagues Cup markets can move sharply on line-up news and late tactical choices, and NYCFC’s prior cross-border meeting with Necaxa ended 2-1 to Necaxa in Mexico, showing the sides have already played a relatively tight game rather than a one-sided one.[1][3][17] ESPN’s pre-match board had NYCFC around -145 on the moneyline with a 3.5-goal total, which is consistent with a moderate-scoring contest rather than an extreme shoot-out.[8][19]
The main catalysts are team selection, live qualification scenarios, and any late change to the competition flow from the two other Phase One results that affect NYCFC’s path. Because settlement ends after the scheduled kick-off window, traders should watch the official matchday squad, the confirmed kick-off timing, and any in-play indication that rotation or game management is being prioritised over margin, particularly if Necaxa are already out and NYCFC need only a specific combination of outcomes. On-chain, the market settles in USDC, so the practical risk is less about fiat conversion and more about final oracle timing versus any news-driven repricing near the cut-off; broader BTC and ETH moves matter only if they spill into overall risk appetite, funding rates, or whale flows across prediction markets rather than through the football contract itself.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- 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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