Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
41% | 59% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
41% | 59% | 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 |
|---|---|
| 26°C | 41% |
| 27°C | 41% |
| 25°C | 18% |
| 28°C | 11% |
| 29°C | 5% |
| 30°C | 1% |
| 23°C or below | 0% |
| 24°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C or higher | 0% |
Market context
Beijing's peak temperature on 16 August 2026 will be measured from the official Weather Underground station at Beijing Capital International Airport, using the highest reading recorded in the Daily Observations table rather than summary figures. The settlement window closes at midday UTC on that date, meaning traders must account for the full diurnal cycle up to that point.
August represents the tail end of Beijing's summer monsoon season, with historical daily maxima typically ranging between 28–33°C during mid-August. The city's climate data from the past two decades shows considerable year-to-year variation driven by moisture transport from the Pacific and Indian oceans; the 2012 peak for this date reached 34.5°C whilst 2015 recorded only 26.8°C. Such variability reflects the influence of passing weather systems and urban heat island effects that can shift readings by several degrees depending on atmospheric conditions in the preceding weeks.
Traders should monitor long-range weather forecasts issued in early August, particularly those tracking potential tropical cyclone remnants or high-pressure systems that could either suppress or amplify temperatures across northern China. The China Meteorological Administration typically issues 10-day outlooks by early August that provide directional guidance on whether anomalous heat or cooler conditions are probable. Additionally, any significant precipitation events in the week preceding 16 August would likely moderate daytime maxima through increased cloud cover and soil moisture effects.
Methodology
Sports-specific comparison page for Highest temperature in Beijing on August 16?. 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
- 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.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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