Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Election Predictions UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Election Predictions UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Election Predictions UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Election Predictions UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Election Predictions UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Election Predictions UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Election Predictions UK.
Active sub-markets
Market context
Shenzhen will experience peak temperatures on 31 May 2026, with the highest reading recorded at Bao'an International Airport Station determining the settlement outcome. The market currently shows zero probability assigned to any temperature range, suggesting either insufficient trader participation or uncertainty about which bracket will resolve correctly. Settlement depends on historical weather data from Wunderground, making the resolution straightforward once the day concludes.
May temperatures in Shenzhen typically range between 28–35°C, with late May marking the transition into the pre-monsoon season. Historical data from previous years shows considerable year-to-year variation; May 2023 saw highs around 32–34°C whilst May 2024 peaked near 33–35°C. Coastal proximity and subtropical climate patterns mean humidity rises sharply during this period, though extreme heat events exceeding 36°C remain uncommon for this specific date. Traders should reference Wunderground's historical archive for Bao'an station to calibrate expectations against recent seasonal trends.
The primary catalyst affecting this market is the accuracy of seasonal forecasting models in the months preceding May 2026. La Niña or El Niño conditions, if present, could shift temperature patterns meaningfully. Traders should monitor meteorological forecasts released in April and early May 2026, particularly from China's National Meteorological Centre, which issues detailed provincial outlooks. The settlement window closes at midday UTC on 31 May, allowing final adjustments based on morning weather reports from the region.
Methodology
This page tracks Highest temperature in Shenzhen on May 31? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Election Predictions UK routes every trade through to Polymarket — at 0% fees.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
FAQ
- Where can I trade this market with the lowest fees?
- On Election Predictions UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Election Predictions UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- 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.
Trade Highest temperature in Shenzhen on May 31? on Election Predictions UK
Live order book, 0% fees, USDC settlement in seconds.
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