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 |
|---|---|
| ↑ 2,100 | 100% |
| ↑ 2,050 | 100% |
| ↑ 2,000 | 100% |
| ↑ 1,950 | 100% |
| ↑ 2,150 | 16% |
| ↑ 2,200 | 3% |
| ↑ 2,250 | 2% |
| ↓ 1,900 | 1% |
| ↓ 1,850 | 0% |
| ↓ 1,800 | 0% |
| ↓ 1,750 | 0% |
| ↓ 1,700 | 0% |
| ↓ 1,650 | 0% |
| ↓ 1,600 | 0% |
Market context
Ethereum's price trajectory through August 2026 will depend on macroeconomic conditions, regulatory developments, and adoption metrics across decentralised finance and layer-two scaling solutions. The 2% implied probability reflects trader scepticism about the asset reaching a specific price target on that particular date, though the exact threshold is not specified in available market documentation.
Historical volatility in Ethereum pricing shows daily swings of 5–15% are routine during periods of moderate market activity, yet sustained directional moves sufficient to hit predetermined targets within a narrow 24-hour window remain statistically uncommon. Bitcoin's correlation with Ethereum typically ranges from 0.7 to 0.85, meaning broader cryptocurrency market sentiment acts as a primary driver. Past instances of sharp single-day moves have coincided with Federal Reserve policy announcements, major exchange-traded fund approvals, or protocol upgrades—events that compress price discovery into brief windows.
Traders monitoring this market should track scheduled Ethereum development milestones, including any consensus-layer or execution-layer upgrades planned for mid-2026. Regulatory announcements from the SEC, CFTC, or international bodies could trigger volatility. Staking yield changes, total value locked across decentralised applications, and macroeconomic data releases—particularly inflation reports and central bank communications—will shape sentiment. News from major institutional investors or corporate treasury allocations to cryptocurrency holdings has historically moved prices within hours. The settlement window's precision to a single calendar day means even substantial price movement must align with specific timing to resolve affirmatively.
Methodology
Sports-specific comparison page for What price will Ethereum hit on August 19?. 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.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- 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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