Highest temperature in Shenzhen on July 6?

Platform comparison

Market context

On 6 July 2026, the Shenzhen Bao’an International Airport will record its peak daily temperature, which this market resolves to a specific Celsius range. The current crowd-implied probability of 0% for the “YES” outcome suggests traders believe the temperature will fall outside the defined range, likely due to expectations of unusually low heat or a misalignment with the resolution criteria. Historically, July is Shenzhen’s hottest month, with average highs around 89°F (32°C) and lows near 80°F (27°C), meaning temperatures rarely dip below 25°C even on cooler days[2]. Recent June 2026 data shows daily highs between 89° and 92°F, reinforcing that extreme heat is typical, making a 0% probability for a low-range outcome statistically anomalous unless the range is set unrealistically high[4].

Traders should monitor real-time weather feeds from Wunderground and AccuWeather, as these are the official resolution sources for this market[8]. A key catalyst is the onset of monsoon activity or cloud cover, which can suppress peak temperatures; for instance, AccuWeather forecasts today’s high at 87°F (31°C), slightly below the monthly average, hinting at potential variability[8]. Additionally, check for any local meteorological announcements from the National Weather Service regarding Shenzhen, as sudden shifts in wind patterns or precipitation could alter the day’s maximum[1]. Programmatically, power-users would deploy bots to scrape Wunderground’s hourly data and cross-reference with conditional orders that trigger only if the temperature breaches the market’s threshold, ensuring automated execution without manual oversight. This approach mirrors how conditional trading bots operate in other weather-linked prediction markets, where latency and data accuracy are critical.

Sources: 1 · 2 · 3 · 4 · 5

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 Kalshi Fees, 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 Kalshi Fees. 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 Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.