Highest temperature in Shenzhen on July 16?

Platform comparison

Market context

Shenzhen is currently experiencing extreme heat with temperatures at Shenzhen Bao'an International Airport reaching 88°F (approximately 31°C) and a RealFeel of 104°F due to 78% humidity, yet the prediction market for the highest temperature on 16 July 2026 shows a 0% implied probability for any specific outcome, suggesting a potential data anomaly or unresolved liquidity issue rather than a genuine forecast of impossible conditions [2][3].

Historical data for mid-July in Shenzhen typically sees peak temperatures between 33°C and 36°C, with the Bao'an station frequently recording highs exceeding 35°C during clear, humid spells, meaning a 0% probability across all ranges contradicts established climatic patterns for this region [1]. Comparable cases from previous years show that even with precipitation chances of 68%, the afternoon sun often drives temperatures to record highs, making the current market pricing inconsistent with the region's summer weather behaviour [2].

Traders should monitor the official Wunderground daily history page for the Bao'an station as the settlement source, watching for any real-time updates or corrections to the 2026 dataset that might explain the zero probability [1]. No specific weather announcements are scheduled, but the dependency on a single data feed means any delay in the 16 July 2026 record appearing on Wunderground could stall resolution, creating a divergence between live sportsbook-style odds and the static prediction-market line until the official number is logged.

Sources: 1 · 2 · 3

Methodology

We track Highest temperature in Shenzhen on July 16? 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

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. 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.

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.