Highest temperature in Beijing on July 31?

Platform comparison

Market context

Beijing’s late-July heat is usually intense, and the airport station has a meaningful record of producing very hot days. Historical summaries put July average highs around the low 30s Celsius, with occasional spikes into the high 30s and even above 40°C in exceptional years, including a 41.6°C extreme in Beijing history reported for 6 July 2023.[2][12][15] That matters for a market settled on the single highest temperature at Beijing Capital International Airport Station, because the event is not about the monthly average but about whether one afternoon manages to break away from the norm.

The current 0% implied probability for a YES outcome looks conservative against Beijing’s climate profile, but it is also consistent with the fact that the market is asking for a very specific threshold range at one named station on one date, not simply a hot day in the city.[2][5][12] The nearest comparable guidance suggests a typical 31 July high around the mid-30s Celsius, which would leave only the upper tail of outcomes relevant for the highest range.[1][5] In practice, traders should read the 0% as a statement about how rarely the top bracket is reached, not as evidence that heat is unlikely.

The main catalysts are the day’s weather evolution and any short-term forecast updates for Beijing Capital International Airport, especially if a strong heat ridge builds, cloud cover breaks late, or winds stay light through the afternoon. Daily climate and travel guides point to July as Beijing’s hottest month, with highs commonly in the 30s and the possibility of 38°C or more, so even small forecast changes can shift the upper-end settlement risk.[5][12] For this market, the key dependency is the airport station’s observed maximum on Wunderground rather than citywide headlines, so traders will focus on the highest hourly conditions into local afternoon and early evening.[2]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for Highest temperature in Beijing on July 31?. 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.

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.