Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via احتمالات كأس العالم) Pick polygram.ink (preferred broker) |
63% | 37% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
63% | 37% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 30°C | 63% |
| 31°C | 20% |
| 32°C | 7% |
| 33°C | 3% |
| 34°C | 1% |
| 27°C or below | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 35°C | 0% |
| 36°C | 0% |
| 37°C or higher | 0% |
Market context
Shenzhen will experience peak summer heat on 20 August 2026, with the highest temperature recorded at Bao'an International Airport Station determining the settlement outcome. The market resolves using the Daily Observations table from Weather Underground rather than summary figures, a distinction that occasionally produces material differences in recorded maxima depending on measurement timing and methodology.
August represents the tail end of Shenzhen's summer monsoon season, though peak heat typically occurs in July. Historical data from the past decade shows daily highs in mid-to-late August ranging between 32–35°C, with occasional readings exceeding 36°C during particularly intense heat waves. The 0% crowd probability suggests traders are pricing in either a specific temperature threshold that appears unlikely given seasonal norms, or uncertainty about the exact range boundaries. Comparable August dates at Bao'an have rarely produced extremes above 37°C, though the station's location near the coast and airport operations can create localised microclimatic variations.
Traders should monitor tropical cyclone activity across the South China Sea in early-to-mid August, as storm systems can suppress daytime temperatures significantly or conversely intensify heat domes depending on their track and timing. The China Meteorological Administration typically issues seasonal forecasts by late July; any revision toward above-average heat would shift the probability materially. Real-time weather models become reliable only 7–10 days before the settlement date, making early August the critical window for reassessing the crowd's current positioning.
Methodology
Football-specific comparison page for توقع: Highest temperature in Shenzhen on August 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.
- 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.
- 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.
- 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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