Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
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% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| O/U 4.5 | 100% |
| O/U 5.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| 1st Half O/U 2.5 | 100% |
| Real Salt Lake O/U 0.5 | 100% |
| Real Salt Lake O/U 1.5 | 100% |
| Real Salt Lake O/U 2.5 | 100% |
| FC Dallas O/U 0.5 | 100% |
| FC Dallas O/U 1.5 | 100% |
| FC Dallas O/U 2.5 | 100% |
| Real Salt Lake 1st Half O/U 0.5 | 100% |
| FC Dallas 1st Half O/U 0.5 | 100% |
| FC Dallas 1st Half O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Real Salt Lake 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 99% |
| Real Salt Lake 2nd Half O/U 1.5 | 99% |
| Both Teams to Score in Second Half | 51% |
| 2nd Half O/U 2.5 | 50% |
| FC Dallas 2nd Half O/U 0.5 | 50% |
| FC Dallas 2nd Half O/U 1.5 | 50% |
| Real Salt Lake (-1.5) | 8% |
| FC Dallas (-1.5) | 6% |
| FC Dallas (-2.5) | 2% |
| Real Salt Lake (-2.5) | 1% |
| Real Salt Lake 1st Half O/U 1.5 | 0% |
Market context
Real Salt Lake will host FC Dallas on 19 August at 9:30 PM ET in an MLS regular-season fixture. The market settling on 20 August at 01:30 UTC captures whether additional betting markets will be offered for this match on Polymarket. Currently priced at 8% YES on the conditional token infrastructure, the contract reflects trader expectations that supplementary markets—beyond standard match outcome or goal-total contracts—will not materialise before settlement. Polymarket's conditional token architecture on Polygon allows fractionalised positions in USDC, with settlement contingent on whether the platform's operators expand the market suite for this specific fixture.
Historical precedent suggests MLS fixtures receive limited market proliferation compared to Premier League or Champions League matches. Polymarket's market selection has favoured high-volume competitions; mid-table MLS regular-season games typically attract single-market offerings rather than clusters of derivative contracts. The 8% probability reflects this pattern: traders are pricing in a low likelihood that Real Salt Lake versus FC Dallas warrants the operational overhead of additional conditional markets.
Catalysts for traders centre on Polymarket's weekly market releases and any surge in trading volume for the base Real Salt Lake–FC Dallas contract in the 48 hours before kickoff. MLS scheduling announcements and fixture prominence on the platform's homepage could signal whether operators view this match as commercially viable for expanded offerings. Settlement hinges entirely on Polymarket's internal decision-making rather than the match outcome itself, making this a pure platform-behaviour contract.
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 Kalshi UK, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
UK Frequently Asked Questions
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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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