Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
98% | 2% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
98% | 2% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 36°C | 98% |
| 37°C | 3% |
| 38°C | 1% |
| 29°C or below | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 39°C or higher | 0% |
Market context
Taipei’s heat remains the main driver here: July is typically the city’s hottest month, with daytime highs commonly around 32–34°C and many days clustering in the low-to-mid 30s. That makes the current 0% yes reading on the 35°C-plus outcomes look conservative relative to the climate normal, though not implausible if a hotter spell develops. Market prices have shifted towards the upper end of the range, with 35°C currently the frontrunner at 25% and 32°C next at 19%, suggesting traders are leaning towards a warm but not extreme finish. [1][3][5][7]
For historical framing, Taipei Songshan Airport can and does post very hot summer readings, but July’s distribution is still centred below the most extreme values. One source notes Taipei’s July daytime temperatures generally sit between 32°C and 38°C, while another says the city’s average July high is about 34°C and that its all-time record is 39.3°C. In other words, a 35°C print is above the monthly average but well within the envelope of plausible outcomes, especially in a basin city where heat and humidity can build quickly. [3][7]
The key catalysts are the local forecast and the timing of any afternoon convection, because thunderstorms and cloud cover can cap the day’s maximum even when the air mass is hot. Traders should watch short-range Taipei forecasts, any heat advisories, and whether sea-breeze or rain bands arrive before the daily peak. The market resolves from the highest temperature recorded at Taipei Songshan Airport Station on 24 July, so even a brief early-afternoon spike can decide the outcome if later showers cool the rest of the day. [1][4][6]
Methodology
We track Highest temperature in Taipei on July 24? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Today trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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