Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via احتمالات كأس العالم) Pick polygram.ink (preferred broker) |
48% | 52% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
48% | 52% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 30°C | 48% |
| 31°C | 36% |
| 29°C | 10% |
| 32°C | 6% |
| 25°C or below | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C or higher | 0% |
Market context
London City Airport’s top reading on 3 August will be set by how far the afternoon warmth can build before sea breezes and any cloud cap the airport station. The market is currently pricing a very low chance of the upper bins, which is consistent with a day that looks hot by London standards but not obviously extreme enough to force a standout spike above the low 30s. The market’s own price stack has 30°C and 31°C as the leading outcomes, with the combined crowd view close to 70% around those two levels.[1]
For context, London’s August climatology usually sits well below the heatwave thresholds, so a result in the 30–31°C area is already a strong outcome rather than an outlier. In recent London heat episodes, the city has repeatedly pushed into the low-to-mid 30s when sunshine is sustained and winds stay light, but the Met Office has also noted that 2026 summer temperatures, while above average, have not generally been at record levels.[14][17] That matters because this market is settled on the single highest temperature at London City Airport Station, so a brief peak matters more than the daily mean.[1]
What traders should watch is the midday-to-afternoon forecast evolution: any upgrade in sunshine duration, a later sea-breeze onset, or stronger warm advection would raise the ceiling, while more cloud or a quicker coastal breeze would pull the peak back. The key dependency is the station-level maximum before the settlement cut-off, not the broader London headline, so airport-specific microclimate effects can decide whether the day lands in 30°C, 31°C, or one notch higher.[1]
Methodology
Football-specific comparison page for توقع: Highest temperature in London on August 3?. 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 (US-focused) or Manifold (play-money).
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.
FAQ
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- 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.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- 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.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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