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 |
|---|---|
| Houston Dynamo (-1.5) | 100% |
| O/U 0.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| Houston Dynamo O/U 0.5 | 100% |
| Houston Dynamo O/U 1.5 | 100% |
| Houston Dynamo 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Houston Dynamo 2nd Half O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| New England Revolution 1st Half O/U 1.5 | 1% |
| New England Revolution 2nd Half O/U 0.5 | 1% |
| Houston Dynamo 2nd Half O/U 1.5 | 1% |
| New England Revolution (-1.5) | 0% |
| New England Revolution (-2.5) | 0% |
| Houston Dynamo (-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% |
| New England Revolution O/U 0.5 | 0% |
| New England Revolution O/U 1.5 | 0% |
| New England Revolution O/U 2.5 | 0% |
| Houston Dynamo O/U 2.5 | 0% |
| New England Revolution 1st Half O/U 0.5 | 0% |
| Houston Dynamo 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| New England Revolution 2nd Half O/U 1.5 | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| Both Teams to Score | 0% |
Market context
New England Revolution host Houston Dynamo at Gillette Stadium in a rescheduled MLS fixture, with the original March 7 date pushed back because of field-related infrastructure issues and the match now set for 8 August. The crowd-implied **0% YES** price leaves little room for a routine football update to move the market unless the underlying settlement condition is tied to something narrow and verifiable on-chain rather than the sporting result itself. Houston’s recent club preview notes the Dynamo arrive fourth in the Western Conference and unbeaten in their last five MLS matches, while New England sit third in the East, so the football backdrop is not one of obvious mismatch[6].
For comparable framing, recent meetings point to a modestly competitive series rather than a one-sided edge: Houston beat New England 2-1 in October 2024, and the clubs also split a 3-2 pre-season result in January 2026[7][2]. More broadly, MLS match pricing can be sensitive to late roster changes, travel load, and weather; New England’s own matchday guide calls for cloudy conditions and an 84°F high, which is unlikely to force a cancellation but can still matter for tempo and substitution patterns[10]. On-chain, the key mechanic is whether the contract resolves only once the USDC-settled outcome is formally confirmed; if so, trader attention usually centres on official league communication and the market’s settlement timestamp rather than live score noise.
Catalysts to watch are straightforward: line-up announcements, any further schedule clarification from the clubs or MLS, and whether the rescheduled kick-off proceeds without another infrastructure or weather interruption. Houston’s preview confirms the match will be streamed on Apple TV, which means the first reliable information will likely arrive via official club and league channels close to kick-off[6][8]. If broader crypto conditions matter to participation rather than resolution, BTC and ETH spot volatility or funding-rate swings can influence liquidity in USDC markets, but there is no direct evidence in the current sources that whale flow is shaping this contract.
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
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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.
- 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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