Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) 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 |
|---|---|
| 32°C or below | 100% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 36°C | 0% |
| 37°C | 0% |
| 38°C | 0% |
| 39°C | 0% |
| 40°C | 0% |
| 41°C | 0% |
| 42°C or higher | 0% |
Market context
The market bets on the peak Celsius reading at Milan’s Malpensa International Airport on 15 July 2026, with the crowd currently pricing a 100% probability that the outcome will resolve to a specific range. Today’s live observation at Milano/Malpensa shows 21°C with southerly winds and falling pressure, offering a real-time snapshot but no direct forecast for the settlement date [2].
Historical July highs in Milan typically cluster between 28°C and 34°C, with Malpensa often recording slightly cooler peaks than the city centre due to its airport location and open surroundings. In recent years, extreme heatwaves have pushed readings above 35°C, but such events remain sporadic; the current 100% YES probability implies the market expects a moderate, non-extreme day, aligning with the 50% chance assigned to “32°C or below” in parallel markets [1].
Traders should monitor the European Centre for Medium-Range Weather Forecasts (ECMWF) 10-day ensemble runs as they approach 5–7 days before 15 July, alongside any official declarations from Italy’s national meteorological service (CMN) regarding heatwave alerts. A sudden shift in Mediterranean pressure patterns or an announced Adriatic heat dome would be the primary catalyst to watch, as these directly influence peak temperatures in northwestern Italy. No scheduled political debates or campaign-finance disclosures affect this weather market; the leaning catalyst is purely atmospheric, with ECMWF updates serving as the key polling aggregator for temperature trends [1].
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Milan on July 15? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
FAQ
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Are political prediction markets legal in my country?
- It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.
- Which political events have the biggest volume?
- US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.
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