Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Who Will Win Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Who Will Win → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Who Will Win → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Who Will Win → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Who Will Win → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Who Will Win → |
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 Who Will Win.
Active sub-markets
Market context
The settlement hinges on the single highest temperature reading at Shenzhen Bao'an International Airport on 8 June 2026, measured in Celsius and resolved via Wunderground's historical weather database. The market presents a straightforward meteorological outcome with no ambiguity in measurement methodology, though the specific temperature range brackets remain unspecified in the market description provided.
Shenzhen's June climate sits firmly within its hot season, with historical data showing average daily highs between 29–32°C and occasional peaks exceeding 35°C during heat waves. The 0% implied probability suggests the crowd has either not engaged with this market or expects an unusually cool day relative to seasonal norms. June 2026 falls within the pre-monsoon window when subtropical high-pressure systems frequently drive temperatures upward across southern China. Comparable years show considerable variance: some Junes see sustained heat above 33°C, whilst cooler systems occasionally suppress peaks to the upper 20s. Without access to the specific temperature brackets offered, assessing value requires understanding whether the lowest bracket sits at a genuinely anomalous threshold or reflects realistic seasonal expectations.
Traders should monitor seasonal weather pattern forecasts as June 2026 approaches, particularly any signals of tropical systems or unusual atmospheric circulation that might suppress temperatures. The South China monsoon onset typically occurs in May, so by early June, conditions favour heat rather than cooling. Wunderground's historical data for Bao'an station is reliable and consistently updated, eliminating resolution risk. The zero probability likely reflects low market liquidity rather than genuine meteorological consensus.
Methodology
This page reviews Highest temperature in Shenzhen on June 8? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Who Will Win — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- On Who Will Win, 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.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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.
- What does it cost to trade on Who Will Win?
- Zero. Who Will Win routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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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