Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via توقعات كورة) Pick polygram.ink (preferred broker) |
60% | 40% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
60% | 40% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 35°C | 60% |
| 34°C | 25% |
| 36°C | 16% |
| 33°C | 2% |
| 37°C | 2% |
| 32°C | 1% |
| 30°C or below | 0% |
| 31°C | 0% |
| 38°C | 0% |
| 39°C | 0% |
| 40°C or higher | 0% |
Market context
The market concerns the peak temperature recorded at London City Airport on 13 August 2026, with settlement based on the Daily Observations table from Weather Underground rather than summary figures. The 0% crowd probability suggests traders expect the temperature to fall outside all available resolution ranges, though this reflects current uncertainty rather than a genuine forecast of impossible conditions.
August temperatures at London City Airport typically range between 20–24°C on average, with historical highs occasionally reaching 28–30°C during warm spells. The 2022 heatwave saw London record 40.3°C, though City Airport's readings tend to run 2–4°C cooler than central London due to proximity to the Thames and maritime influence. Comparable August days in recent years—including 2023 and 2024—produced highs in the 24–27°C band, establishing a baseline for what constitutes typical versus exceptional conditions for that date.
Traders should monitor weather forecasts from mid-August 2025 onwards, particularly Atlantic pressure systems and any developing heat domes over continental Europe that might push warm air northward. The Met Office's seasonal outlooks, published quarterly, will signal whether August 2026 is tracking toward above-normal or below-normal temperatures. Any significant atmospheric patterns emerging in summer 2026—such as a blocking high-pressure system or tropical moisture incursion—would be the primary catalyst reshaping current probabilities away from the flat 0% assessment.
Methodology
Football-specific comparison page for توقع: Highest temperature in London on August 13?. 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
- 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.
- 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.
- 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.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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