Highest temperature in Shanghai on July 6?

Platform comparison

Market context

The underlying event is the peak daytime heat at Shanghai Pudong International Airport on 6 July 2026, a date historically prone to extreme temperatures exceeding 35°C. Current crowd-implied probability sits at 0% YES, suggesting the consensus believes the temperature will fall outside the specific range being traded, likely due to expectations of a cooler day or rain. However, historical data frames this as a high-value contrarian spot; July at Pudong typically sees daily highs climbing from 84°F to 88°F, rarely dipping below 75°F, with the month’s peak average reaching 32.5°C on 29 July[1][3]. The consensus appears to be ignoring the region’s notorious summer volatility, where temperatures often exceed 95°F (35°C) during the daytime, making a 0% valuation potentially mispriced if the weather remains clear[7].

Traders must watch for immediate catalysts, specifically the forecast for drizzle and light rain expected across Shanghai today and tomorrow, which could suppress peak temperatures significantly[2]. The primary dependency is the persistence of cloud cover and precipitation; if the light rain clears by midday, the high solar energy incident in July—rising to 5.6 kWh—could rapidly drive temperatures upward[1]. Recent forecasts indicate a gentle breeze and humidity at 84%, which may moderate the heat, but a shift to clear skies would be the critical trigger for a spike[2]. With the settlement window ending 12:00 UTC, the morning’s weather trajectory is the decisive factor; a clear morning under current high-pressure conditions (1011mb) would likely validate the underdog position, offering value against the current 0% consensus[2]. The market is effectively betting on a rain-cooled day, but the historical tendency for July to deliver scorching highs suggests the value lies in the opposite direction if the clouds break.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Shanghai on July 6? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Who Will Win 2026, which mirrors the Polymarket order book at 0% fees.

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

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 Who Will Win 2026. 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'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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win 2026 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.