Highest temperature in Milan on August 10?

Platform comparison

Market context

Polymarket has this contract at **0% YES**, so the market is pricing the Malpensa Intl Airport Station to miss every listed temperature band on 10 August, rather than just to land on a cooler outcome. The settlement is tied to the **highest temperature in Weather Underground’s Daily Observations table** for that station and date, with the temperature range containing that peak deciding the result; on Polygon, holders of the relevant conditional tokens are exposed only through that exact resolution rule, not the broader “Day High & Low” summary.

Historically, Milan in August is a warm-weather city, with average highs commonly around the high 20s Celsius and occasional excursions into the low 30s, so the question is usually where the day peaks rather than whether it gets hot at all.[1][3][8][11][17] Comparable late-summer history also shows meaningful upside risk: recent August observations and forecasts have printed near 30°C or above, while record-type summaries for Milan point to substantially higher extremes in heatwave conditions.[4][9][14][15] In market terms, a 0% price implies either very sparse liquidity or a strong crowd view that the recorded maximum will resolve into a bucket the current book is discounting entirely.

The main catalysts are the actual Weather Underground observations through the settlement window and any station-specific interruptions, since the market turns on the recorded table value rather than forecast headlines. A trader should watch for rapid morning-to-afternoon warming, cloud cover breakdown, or any late-afternoon surge, as those are the moments when the daily maximum is typically set; nearby official and historical pages from timeanddate and the Met Office show how quickly Milan temperatures can climb through the day in summer, underscoring the importance of the observation sequence rather than a single headline high.[13][15][19] If Weather Underground’s station feed is delayed or revised, the Daily Observations table remains the controlling source for resolution.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Highest temperature in Milan on August 10? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

UK Frequently Asked Questions

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.