Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) 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 |
|---|---|
| 1,400 | 100% |
| 1,500 | 100% |
| 1,600 | 100% |
| 1,700 | 100% |
| 1,800 | 100% |
| 1,900 | 78% |
| 2,000 | 1% |
| 2,100 | 0% |
| 2,200 | 0% |
| 2,300 | 0% |
| 2,400 | 0% |
Market context
Ethereum is trading around the high-$1,900s on major spot venues, with recent prints clustered near $1,914 to $1,921 and daily moves that have been relatively small rather than directional. Coinbase shows ETH at $3,036.82, but that feed is not the settlement source here; for this market, the relevant reference is Binance ETH/USDT, where the live price data cited by third-party trackers sits much closer to the $1,900 area.[1][4][5][7][9]
That backdrop makes the current 100% “Yes” probability look like a function of the strike being far below prevailing price rather than a view on near-term momentum. Comparable prediction-style forecasts for 10 August also cluster near current levels or slightly above, with published estimates around $1,916 to $1,954, which reinforces how deeply in-the-money a lower threshold would be if the title price is set beneath spot.[11][12][14] Historical references from the past few days likewise show ETH holding around $1,900 rather than making a sharp move away from it.[2][7][17]
For traders, the main catalysts are the usual short-horizon crypto drivers: Binance’s own ETH/USDT tape into the noon ET candle, any market-wide move in Bitcoin that spills into ETH, and macro headlines that can reprice risk assets quickly during US trading hours. Because settlement depends on a single one-minute Binance close at 12:00 ET, even a brief volatility spike around that minute matters more than the broader day’s range; there is no sign in the available sources of a specific ETH protocol event, ETF decision, or scheduled upgrade that would override that microstructure risk today.[9][13]
Methodology
Sports-specific comparison page for Ethereum above … on August 10?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- 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%.
Trade Ethereum above … on August 10? on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
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