Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 29°C | 100% |
| 31°C | 1% |
| 24°C or below | 0% |
| 25°C | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 30°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C or higher | 0% |
Market context
Shenzhen will experience peak summer heat on 14 July 2026, with the settlement hinging on the single highest temperature recorded at Bao'an International Airport Station throughout that calendar day. The current market pricing reflects near-zero conviction across all temperature bands, suggesting either insufficient trader participation or genuine uncertainty about seasonal conditions eighteen months forward. On Polygon, this conditional token contract settles in USDC against Wunderground's historical weather database, making the resolution mechanically straightforward once the date passes.
July represents Shenzhen's hottest month climatologically, with thirty-year averages peaking around 32–33°C, though readings regularly exceed 35°C during heat waves. The 2023 summer saw multiple days above 36°C, whilst 2024 data through June indicated similar patterns. Airport station measurements tend to run slightly cooler than urban core readings due to proximity to water and ventilation, but the differential rarely exceeds 1–2°C. Historical precedent suggests the 35–37°C band should command meaningful probability weight, yet the flat current odds indicate traders are either deferring to seasonal models not yet published or awaiting updated climate forecasts from China Meteorological Administration.
Traders monitoring this contract should track spring 2026 seasonal outlooks from CMA and international weather services, typically released by March. El Niño or La Niña conditions developing through early 2026 will influence summer intensity. Extreme heat warnings issued in June 2026 would signal elevated probability for the higher temperature ranges, whilst any unusual atmospheric patterns reported by late June could shift expectations materially before settlement.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Scam?, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Scam?. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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 Polymarket Scam? trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Highest temperature in Shenzhen on July 14? on Polymarket Scam?
Live order book, 0% fees, USDC settlement in seconds.
Open live market →