Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
99% | 1% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 36°C | 99% |
| 37°C | 1% |
| 29°C or below | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 38°C | 0% |
| 39°C or higher | 0% |
Market context
Shanghai's weather in mid-July sits firmly within the city's summer monsoon season, when temperatures routinely exceed 30°C and humidity levels remain elevated throughout the day. The Pudong International Airport station, located in the浦东 district, records conditions representative of the broader metropolitan area and serves as the official reference point for this market's resolution.
Historical data from Shanghai's meteorological records shows July temperatures cluster heavily in the 32–36°C range, with extremes occasionally reaching 37–38°C during particularly intense heat waves. The 0% crowd probability suggests traders expect the highest temperature on 14 July 2026 to fall outside whatever upper threshold this market's resolution brackets define. Comparable July days at Pudong over the past decade establish that temperatures below 30°C would be anomalous, whilst readings above 38°C occur roughly once every three to five years during the peak summer period.
Traders monitoring this market should track seasonal weather pattern forecasts released by China's National Meteorological Centre in the weeks preceding mid-July, as monsoon intensity and timing directly influence Shanghai's temperature peaks. The settlement window closes at midday UTC on 14 July, meaning final resolution depends on the complete 24-hour temperature record from Pudong station. Any significant atmospheric systems—tropical cyclones tracking toward eastern China or unusual pressure patterns—would shift expected temperature ranges materially and warrant reassessment of current probability distributions.
Methodology
Sports-specific comparison page for Highest temperature in Shanghai on July 14?. 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.
FAQ
- 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.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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