توقع: Highest temperature in Shanghai on July 20?

Platform comparison

Market context

Shanghai is currently experiencing peak summer heat with temperatures reaching 34°C and a humid RealFeel of 39°C, while rain and scattered thunderstorms are expected to disrupt the afternoon [1][2]. This immediate volatility contrasts with the market’s 0% YES probability, suggesting traders are betting the July 20, 2026, maximum at Pudong Airport will fall outside the implied range, likely due to the forecasted precipitation cooling the air [2].

Historical data for mid-July in Shanghai shows consistent highs between 34°C and 38°C, with 2026 forecasts already indicating a maximum of 38°C for today [4][5]. The current 0% probability implies the settlement range is set significantly below these typical summer peaks, perhaps targeting a cooler band like 25–30°C, which would be an anomaly for this date unless the predicted thunderstorms deliver substantial cooling [2][4].

Traders should monitor the timing and intensity of the 70% chance of precipitation forecast for the afternoon, as heavy rain could suppress temperatures below 34°C [2]. The resolution depends entirely on the Wunderground record for Shanghai Pudong International Airport (ZSPD), so any sudden shift in cloud cover or wind direction from the south could alter the final reading [2]. With the settlement window closing at 12:00 UTC on 20 July 2026, the next few hours of weather evolution will determine if the 0% probability holds or if a temperature spike occurs before the rain arrives [1].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for توقع: Highest temperature in Shanghai on July 20?. 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 (US-focused) or Manifold (play-money).

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.

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.

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.

Which sports markets are available?

Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.

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.