Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| O/U 0.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| Chicago Fire FC O/U 0.5 | 100% |
| Chicago Fire FC 1st Half O/U 0.5 | 99% |
| O/U 1.5 | 90% |
| Both Teams to Score | 74% |
| O/U 2.5 | 72% |
| Orlando City SC O/U 0.5 | 53% |
| Chicago Fire FC O/U 1.5 | 53% |
| Chicago Fire FC O/U 2.5 | 52% |
| Orlando City SC O/U 2.5 | 51% |
| Orlando City SC 1st Half O/U 0.5 | 50% |
| Orlando City SC 1st Half O/U 1.5 | 50% |
| Chicago Fire FC 1st Half O/U 1.5 | 50% |
| Both Teams to Score in Second Half | 50% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Orlando City SC 2nd Half O/U 0.5 | 50% |
| Orlando City SC 2nd Half O/U 1.5 | 50% |
| Chicago Fire FC 2nd Half O/U 0.5 | 50% |
| Chicago Fire FC 2nd Half O/U 1.5 | 50% |
| O/U 5.5 | 49% |
| Chicago Fire FC (-1.5) | 46% |
| Orlando City SC O/U 1.5 | 40% |
| O/U 3.5 | 32% |
| O/U 4.5 | 26% |
| 1st Half O/U 2.5 | 23% |
| 1st Half O/U 1.5 | 19% |
| Chicago Fire FC (-2.5) | 16% |
| Orlando City SC (-2.5) | 14% |
| Orlando City SC (-1.5) | 10% |
| Both Teams to Score in First Half | 9% |
Market context
Orlando City SC hosting Chicago Fire FC on 19 August is priced at only 10% YES, which points to Polymarket treating the broader “More markets” contract as a low-probability outcome rather than a view on the match result itself. On-chain, that means traders are paying USDC into conditional tokens on Polygon, so the market price reflects both event expectations and the usual liquidity and positioning effects that come with a narrow, settlement-window product.
That kind of probability sits well below what the fixture itself suggests, because the underlying game is a standard MLS meeting at Inter&Co Stadium with both clubs already deep into the season and the Fire arriving in stronger league form than Orlando. Comparable MLS side markets often stay compressed until line-ups, scoring patterns, or late match-state swings create a clear trigger; if the market is tied to ancillary match conditions, a 10% price usually means the crowd sees the condition as uncommon, not impossible.
The main catalysts for a Polymarket trader are the confirmed starting XIs, any late injury or rotation news, and whether the market’s exact wording depends on in-play events, official stats, or full-time outcome processing before the 23:30 UTC settlement cut-off. Broadcast and matchday information was set for Apple TV at 7:30 p.m. ET, and recent previews framed this as a meaningful Eastern Conference fixture, so any last-minute team sheet or scheduling change would matter more than pre-match narrative.
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 PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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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