Highest temperature in Munich on August 10?

Platform comparison

Market context

Munich Airport Station still has almost the whole day to set the highest temperature used for settlement, and the contract pays in USDC on-chain only if the final Weather Underground Daily Observations entry falls into the winning Celsius range. The current 0% YES implies the market is pricing in an outcome below the relevant threshold or treating the path to settlement as effectively locked in, but the underlying weather risk has not yet been fully realised because the resolution window closes at 12:00 UTC and the source is the station’s observation table, not the summary high/low panel.

Historically, Munich’s August weather is warm but not extreme: averages cluster near the low-to-mid 20s Celsius, while records show that the city can still reach the mid-to-high 30s in rare heat events.[1][16][17] Comparable late-summer cases therefore hinge on whether a short-lived afternoon spike appears before the observation window closes, rather than on the daily mean. For a prediction-market trader, the key framing is that a low implied probability can persist even when a hot day is plausible, because a single sub-threshold reading in the official table is enough to settle against YES.

The main catalysts are the intraday weather evolution in Munich and any forecast revisions from major providers before noon UTC, especially if cloud cover, wind, or convective showers suppress the maximum. Weather Underground’s history page provides the operative settlement feed, while broader market context on the crypto side is mainly the usual USDC escrow and any overnight BTC or ETH volatility that can affect risk appetite rather than the weather outcome itself. If the venue’s on-chain order flow is thin, late whale activity can still move implied pricing, but only the recorded station temperature decides the contract.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reads Highest temperature in Munich on August 10? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

UK Frequently Asked Questions

What does a transaction cost on Polygon?

Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.

Can I use Bitcoin directly?

No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.

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%.