Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
38% | 62% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
38% | 62% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 29°C | 38% |
| 28°C | 21% |
| 30°C | 19% |
| 27°C | 14% |
| 26°C | 10% |
| 31°C | 3% |
| 32°C | 1% |
| 25°C or below | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C or higher | 0% |
Market context
On 14 July 2026, the highest temperature recorded at Munich Airport Station will determine the settlement outcome of this market. The resolution hinges on a single daily maximum reading from Wunderground's historical weather database, with settlement occurring in USDC on the btc-prediction.bet platform once the measurement window closes at 12:00 UTC.
Munich's July climate sits firmly within its warm summer pattern, with historical daily highs typically ranging between 24–27°C during mid-July. The 0% crowd probability currently assigned suggests traders are either awaiting clearer temperature forecasts or treating this as a baseline calibration point before meaningful price discovery. Comparable July days at Munich Airport show that extreme heat above 30°C occurs in roughly 15–20% of years, whilst temperatures below 20°C are rare but not unprecedented during unsettled Atlantic weather patterns. The current flat probability distribution reflects genuine uncertainty about which temperature band will materialise.
Key variables for traders to monitor include European weather model consensus from the German Meteorological Institute (Deutscher Wetterdienst), which typically releases 10–14 day forecasts with reasonable skill by early July. Any significant high-pressure system anchoring over central Europe in the fortnight before settlement would shift expectations towards the warmer ranges, whilst Atlantic low-pressure systems could suppress maxima into cooler bands. Real-time monitoring of Wunderground's Munich Airport station data becomes critical in the final 48 hours, as intraday temperature swings and cloud cover patterns directly influence the daily maximum reading that triggers settlement.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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.
FAQ
- 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.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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