Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
52% | 48% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
52% | 48% | 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 |
|---|---|
| 27°C | 52% |
| 28°C | 19% |
| 26°C or below | 13% |
| 29°C | 7% |
| 30°C | 3% |
| 31°C | 2% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 36°C or higher | 0% |
Market context
Taipei’s high temperature for 9 August will be judged against the **Wunderground Daily Observations** entry for Taipei Songshan Airport, not the headline day-high summary. That matters because late-afternoon peaks can differ from forecast highs, and the market’s current **3% YES** implies traders expect the station to stay well below the hotter August norms often quoted for Taipei, where monthly averages are typically around the low-30s Celsius.[4][13][14]
Comparable recent readings suggest the market is pricing a cooler, rain-influenced day rather than a classic peak-summer spike. Forecasts for 9 August point to heavy rainstorms or widespread rain, with daytime ranges around **27–31°C** or **26–30°C**, while historical August guides still place Taipei’s usual highs near **33–34°C**.[2][11][3][14] The gap between those expected highs and the low single-digit probability is consistent with a market that is leaning on cloud cover and rainfall suppressing the maximum rather than on climatology alone.[2][11]
The main catalysts are the day’s evolving weather conditions in northern Taiwan, especially the timing of showers, cloud breaks, and any afternoon heating before the airport station’s observation window closes. Weather services are already flagging rain and high humidity for Taipei on 9 August, so any shift towards a drier, sunnier afternoon would be the key risk to a low-temperature outcome; if the rain persists, the recorded maximum is more likely to sit near the forecast band rather than the usual August average.[2][11][15]
Methodology
Sports-specific comparison page for Highest temperature in Taipei on August 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 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.
- 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.
- 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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