Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
99% | 1% | 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 | 99% |
| 35°C | 1% |
| 31°C or below | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 36°C | 0% |
| 37°C | 0% |
| 38°C | 0% |
| 39°C | 0% |
| 40°C | 0% |
| 41°C or higher | 0% |
Market context
Milan’s reading on 2 August will come from the **highest temperature at Malpensa Airport**, not the city centre, so the outcome depends on how hot the suburban airport site gets during the afternoon peak. Forecasts for Milan on the day cluster around the high 20s to mid-30s Celsius, with some guidance pointing to daytime maxima near **36°C** under mostly sunny conditions, while other August outlooks are cooler, around **28–31°C** on long-run norms.[2][8][9]
The current **0% YES** pricing is hard to reconcile with the summer climatology, because early August in Milan is typically warm enough that the upper-20s and low-30s are normal, and recent years have shown the city can run far hotter in extreme heat spells. Milan has also just endured severe heat warnings in Italy, with BBC reporting major cities under the highest heat alert and CBS noting Milan’s recent record-breaking heat, which is the sort of backdrop that keeps double- and mid-30s outcomes live when a hot air mass settles over northern Italy.[14][7]
For traders, the key catalysts are any last-minute forecast shifts in cloud cover, thunderstorms, or sea-breeze moderation, because small changes in boundary-layer mixing can move the airport maximum by a degree or two and reshuffle the most likely temperature band. The market description points to Wunderground’s daily history page at Malpensa for settlement, so the decisive factor will be the final observed high there rather than headline Milan forecasts; if convection develops late, the ceiling could be capped, while a clear, dry afternoon would favour the hotter bins.[2][4]
Methodology
Sports-specific comparison page for Highest temperature in Milan on August 2?. 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 or Manifold.
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.
- 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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