Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via توقعات كورة) Pick polygram.ink (preferred broker) |
83% | 17% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
83% | 17% | 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 |
|---|---|
| 37°C | 83% |
| 38°C | 16% |
| 39°C | 2% |
| 34°C or below | 0% |
| 35°C | 0% |
| 36°C | 0% |
| 40°C | 0% |
| 41°C | 0% |
| 42°C | 0% |
| 43°C | 0% |
| 44°C or higher | 0% |
Market context
Madrid's summer heat peaks in late July, with the city regularly experiencing temperatures exceeding 35°C during this period. The settlement relies on official readings from Adolfo Suárez Madrid-Barajas Airport, the primary meteorological station for the region, which typically records the day's maximum in early afternoon hours. July 21st falls within Madrid's hottest fortnight, when high-pressure systems dominate the Iberian Peninsula and daytime highs frequently reach 38–40°C.
Historical data from the airport station shows July maxima have ranged from 32°C in cooler years to 42°C during heat waves. The 0% crowd probability suggests traders are pricing in either extreme scepticism about the market's temperature thresholds or uncertainty about which specific range will settle. Madrid's July climate is remarkably consistent year-on-year; anomalously cool days are rare, making temperatures below 30°C statistically improbable for this date.
Traders should monitor European weather forecasts from mid-July onwards, particularly Atlantic pressure patterns and any blocking high-pressure systems that could intensify heat. The Spanish meteorological agency (AEMET) publishes detailed forecasts roughly two weeks ahead. Wunderground's historical data confirms the airport station's readings are reliable and updated daily, so settlement should be straightforward once the date passes. The current probability distribution may reflect confusion about the market's temperature bands rather than genuine uncertainty about Madrid's weather.
Methodology
Football-specific comparison page for توقع: Highest temperature in Madrid on July 21?. 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.
- 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.
- 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.
- 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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