Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) 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 |
|---|---|
| 27°C | 100% |
| 22°C or below | 0% |
| 23°C | 0% |
| 24°C | 0% |
| 25°C | 0% |
| 26°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C or higher | 0% |
Market context
London City Airport recorded a peak of 26.4°C on 2 July 2026, with forecasts suggesting Friday 3 July will reach a similar high of 26°C before warming further to 28°C on Saturday[1][7]. The current crowd-implied probability of 0% for the market outcome is starkly contradicted by recent data, as the 26°C threshold is already trading at 46% on parallel platforms, indicating a significant mispricing in this specific venue[2]. Historically, early July in London frequently sees temperatures hovering between 24°C and 27°C, making a 26°C peak a statistically probable event rather than an anomaly, which frames the 0% probability as an outlier against established seasonal norms[8][9].
Traders must monitor the official Wunderground settlement data released after 12:00 UTC on 3 July, as this is the definitive resolution source for the highest temperature recorded at the EGLC station[4]. While the Met Office forecast currently predicts a maximum of 24°C, the BBC Weather model suggests a higher peak of 26°C, creating a dependency on which dataset aligns with the final Wunderground reading[1][6]. No immediate weather-related suspensions or injuries affect the outcome, but the rapid shift from 26.4°C on 2 July to the forecasted 26°C on 3 July suggests a stabilising heatwave that traders should watch closely for any sudden cloud cover or rain that could depress the temperature below the threshold[7]. The settlement window closes at 12:00 UTC on 3 July 2026, requiring immediate attention to the final hourly logs to confirm if the 26°C mark is breached[4].
Methodology
Football-specific comparison page for Pronóstico: Highest temperature in London on July 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
- 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.
- 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.
- 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.
Trade Pronóstico: Highest temperature in London on July 3? on Mundial 2026 Grupos
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