Pronóstico: Highest temperature in Guangzhou on July 9?

Platform comparison

Market context

Guangzhou is entering its peak summer heat phase, with early July typically delivering daily highs between 31°C and 34°C at the Baiyun International Airport station[4]. The current 0% crowd-implied probability for any specific temperature range suggests the market expects no record-breaking anomaly or perhaps a misalignment in how traders interpret the settlement criteria, though historical data confirms July is the city’s hottest month, peaking around 25 July with an average high of 33°C[1].

Historical patterns show that July 9 rarely deviates significantly from the early-month cluster, with temperatures consistently landing in the 31–34°C band based on Chinese Meteorological Administration records[4]. The 23.2°C average July temperature recorded this year is the highest since 1961, indicating a sustained heatwave trend that could push daily peaks toward the upper end of the typical range[2]. This context makes a 0% probability for any range statistically unusual unless traders are betting on a specific narrow band that historical data does not support.

Traders should monitor real-time updates from Wunderground, the official resolution source, for the highest temperature recorded at 00:00–23:59 local time on 9 July[3]. Key catalysts include any sudden shifts in monsoon activity or cloud cover, which could suppress temperatures below the 31°C threshold, and official heatwave advisories from Guangdong authorities that may signal extreme conditions[6]. No recent suspensions or injuries apply here, but weather model revisions from CMA or local meteorological bureaus could materially shift expectations before the 12:00 UTC settlement window closes.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Pronóstico: Highest temperature in Guangzhou on July 9?. 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.

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.