Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Mundial 2026 Grupos) Pick polygram.ink (preferred broker) |
78% | 22% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
78% | 22% | 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 |
|---|---|
| 34°C | 78% |
| 35°C | 23% |
| 36°C | 4% |
| 37°C | 1% |
| 29°C or below | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 38°C | 0% |
| 39°C or higher | 0% |
Market context
The underlying event is the daily peak heat at Shanghai Pudong International Airport on 7 July 2026, where temperatures routinely climb above 30°C and often breach 35°C during the hottest hours between 11:00 AM and 5:00 PM[4]. Historical data shows July highs typically range from 26–31°C on average, with peaks reaching 38°C in 2025, making a 0% probability for any outcome factually inconsistent with the region’s summer climate profile[4][7]. In comparable years, the warmest day of July occurs around 29 July at 32.5°C, while early July days like 3 July are cooler at 24.3°C, yet mid-July still regularly exceeds 35°C, suggesting the market’s current pricing ignores established thermal patterns[7].
Traders should monitor real-time weather updates from Wunderground for the station ZSPD, as the resolution hinges on the highest recorded temperature for all times on that day[2]. Key catalysts include sudden shifts in cloud cover, humidity spikes from the “plum rain” season, or unexpected wind patterns that could suppress peak temperatures below 35°C[4]. Recent forecasts indicate daily highs in July 2026 will range from 86°F to 100°F (30–38°C), with overnight lows between 76–82°F, reinforcing that temperatures above 35°C are highly probable[9]. Any announcement of extreme heat advisories or changes in local atmospheric conditions from the National Weather Service could further validate outcomes in the 35–38°C range[6]. The market’s 0% YES probability appears detached from these concrete meteorological indicators.
Methodology
Football-specific comparison page for Pronóstico: Highest temperature in Shanghai on July 7?. 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.
- 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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