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% |
| 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 | 94% |
| Chicago Fire FC O/U 1.5 | 83% |
| Both Teams to Score | 80% |
| Orlando City SC O/U 0.5 | 80% |
| O/U 2.5 | 78% |
| 1st Half O/U 1.5 | 56% |
| 2nd Half O/U 0.5 | 55% |
| O/U 3.5 | 53% |
| 2nd Half O/U 1.5 | 53% |
| Both Teams to Score in Second Half | 51% |
| 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% |
| Orlando City SC O/U 1.5 | 46% |
| Both Teams to Score in First Half | 38% |
| Orlando City SC 1st Half O/U 0.5 | 38% |
| Chicago Fire FC O/U 2.5 | 35% |
| Chicago Fire FC 1st Half O/U 1.5 | 32% |
| Chicago Fire FC (-1.5) | 31% |
| O/U 4.5 | 30% |
| Orlando City SC O/U 2.5 | 19% |
| 1st Half O/U 2.5 | 18% |
| Chicago Fire FC (-2.5) | 14% |
| O/U 5.5 | 14% |
| Orlando City SC (-1.5) | 8% |
| Orlando City SC 1st Half O/U 1.5 | 8% |
| Orlando City SC (-2.5) | 3% |
Market context
Orlando City SC hosted Chicago Fire FC at Inter&Co Stadium on 19 August, with kick-off listed at 7:30 p.m. ET and the match streamed on Apple TV. The market’s 8% YES price suggests traders are treating the “more markets” bucket as a low-probability outcome, which is consistent with a single MLS fixture where settlement depends on whether an extra contract condition, rather than the result itself, is triggered before the 23:30 UTC close.
Comparable MLS listings tend to reprice sharply only when late line-up news, red-card risk, or a late schedule change alters the expected path of the game. Chicago entered the fixture with the better season record, while Orlando were at home and the match was framed as an Eastern Conference meeting, so the main read-through is not the table position alone but how much volatility the market assigns to any linked sub-market before settlement.
For traders, the key catalysts are straightforward: confirmed line-ups, any official matchday announcement that changes kick-off or broadcast timing, and whether the on-chain market updates cleanly before the settlement window closes. If broader crypto conditions matter to sizing, BTC and ETH funding rates and spot volatility can still influence USDC-denominated risk appetite, but the contract itself should settle off the MLS event state, not the token tape.
Methodology
This page reads Orlando City SC vs. Chicago Fire FC - More Markets on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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 are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- 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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