توقع: Highest temperature in Guangzhou on July 21?

Platform comparison

Market context

Guangzhou's climate during late July sits firmly within its summer monsoon season, when the city experiences sustained heat and humidity. Historical data from Baiyun International Airport shows July daily maxima typically range between 32–35°C, with occasional peaks reaching 36–37°C during particularly intense heat waves. The 0% crowd probability suggests traders are pricing in either an unusually cool July or uncertainty about which specific temperature band the market offers as resolution options.

Guangzhou's July temperatures depend heavily on the strength and timing of the East Asian summer monsoon system. Years with weaker monsoon activity tend to produce drier, hotter conditions inland, whilst stronger monsoon years bring cloud cover and cooler peaks. Recent decades show increasing frequency of 35°C+ days in Guangzhou during mid-to-late July, though extreme heat events (38°C+) remain relatively rare at the airport station itself, which sits on the city's periphery where sea breezes provide modest cooling compared to urban core measurements.

Traders should monitor mid-July 2026 atmospheric pressure patterns and tropical cyclone activity across the South China Sea, as both significantly influence Guangzhou's temperature ceiling. The settlement window closes at midday on 21 July, meaning early morning and overnight lows will not factor into resolution—only the peak daytime temperature recorded. Any tropical systems tracking towards southern China in the week prior would likely suppress temperatures through increased cloud cover and precipitation, whilst high-pressure systems anchored over the region would favour sustained heat.

Methodology

Football-specific comparison page for توقع: Highest temperature in Guangzhou on July 21?. 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.

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.

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.