Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
87% | 13% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
87% | 13% | 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 | 87% |
| Charlotte FC O/U 0.5 | 72% |
| O/U 1.5 | 61% |
| 1st Half O/U 0.5 | 61% |
| D.C. United SC O/U 0.5 | 60% |
| 2nd Half O/U 0.5 | 58% |
| 2nd Half O/U 1.5 | 58% |
| 2nd Half O/U 2.5 | 58% |
| Charlotte FC 1st Half O/U 0.5 | 54% |
| D.C. United SC 1st Half O/U 0.5 | 53% |
| Both Teams to Score in Second Half | 51% |
| D.C. United SC O/U 1.5 | 50% |
| Charlotte FC 1st Half O/U 1.5 | 50% |
| D.C. United SC 1st Half O/U 1.5 | 50% |
| Charlotte FC 2nd Half O/U 0.5 | 50% |
| Charlotte FC 2nd Half O/U 1.5 | 50% |
| D.C. United SC 2nd Half O/U 0.5 | 50% |
| D.C. United SC 2nd Half O/U 1.5 | 50% |
| Both Teams to Score | 43% |
| D.C. United SC O/U 2.5 | 38% |
| O/U 2.5 | 35% |
| Charlotte FC O/U 1.5 | 33% |
| Charlotte FC O/U 2.5 | 30% |
| Both Teams to Score in First Half | 27% |
| Charlotte FC (-1.5) | 20% |
| O/U 3.5 | 17% |
| O/U 4.5 | 14% |
| D.C. United SC (-1.5) | 11% |
| Charlotte FC (-2.5) | 7% |
| 1st Half O/U 1.5 | 6% |
| D.C. United SC (-2.5) | 5% |
| 1st Half O/U 2.5 | 5% |
| O/U 5.5 | 4% |
Market context
Charlotte FC hosted D.C. United on 22 August at Bank of America Stadium, with kick-off set for 7:30 p.m. ET and the match streamed on Apple TV.[1][2] The market’s 24% YES price implies a modest chance that the contract’s “more markets” condition is met, rather than a clear expectation that the underlying game will produce an unusually rich settlement profile.
The frame is familiar: Charlotte came in with better league position and stronger home form, while D.C. United arrived after a run of draws and a heavy home defeat, which keeps the away side live but less reliable in market terms.[4][5] In comparable MLS fixtures, short-price home teams do not automatically translate into a “yes” on side markets; the better guide is whether the game state turns open early, which usually requires an early goal, sustained pressure, or disciplinary events that widen the range of available props and outcomes.[4][15]
Catalysts were straightforward and time-sensitive: team sheets, late injury news, and any tactical rotation before the 7:30 p.m. ET start could shift expectations quickly, particularly once starting XIs were confirmed on the club channels.[11] The on-chain angle is mainly settlement mechanics rather than match direction, since the market resolves in USDC and is sensitive to final official outcomes only after the window closes; broader BTC and ETH moves matter only if they spill into exchange-wide risk appetite or liquidity conditions, not through the football itself.[13]
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 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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