Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
38% | 62% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
38% | 62% | 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 |
|---|---|
| 31°C | 38% |
| 32°C | 29% |
| 30°C | 21% |
| 29°C | 9% |
| 33°C | 8% |
| 28°C or below | 2% |
| 34°C | 1% |
| 35°C | 0% |
| 36°C | 0% |
| 37°C | 0% |
| 38°C or higher | 0% |
Market context
Munich Airport's temperature readings on 16 August will determine this market's resolution, with the highest recorded value in the Daily Observations table at Wunderground serving as the definitive source. The settlement window closes at midday UTC on that date, meaning afternoon temperature spikes after 12:00 cannot influence the outcome.
Historical August temperatures at Munich Airport show that exceeding 35°C on any given day occurs in roughly 5–10% of years, with the station's all-time August high standing at 37.6°C. The 1% crowd probability suggests traders expect conditions well below typical summer peaks for that date. August 16 falls mid-month when continental European heat patterns are established; recent decades show increasing frequency of days surpassing 30°C during this window, though single-day extremes remain relatively rare without specific high-pressure systems anchored over Bavaria.
Traders should monitor European weather forecasts from mid-August onwards, particularly extended-range models from Météo-France and the German DWD that typically gain accuracy within 10 days of the target date. Any significant heat dome tracking northward from the Mediterranean or North Africa in early-to-mid August would be the primary catalyst shifting probabilities upward. Local Munich news outlets and aviation weather bulletins will carry official airport observations; discrepancies between summary highs and the granular Daily Observations table have historically been minor, but the market's explicit resolution hierarchy favours the latter source.
Methodology
Sports-specific comparison page for Highest temperature in Munich on August 16?. 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.
UK Frequently Asked Questions
- 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.
- 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%.
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