Pronóstico: Highest temperature in Beijing on July 7?

Platform comparison

Market context

The underlying real-world event is whether Beijing’s Capital International Airport will record a peak temperature of 32°C or higher on 7 July 2026. Today, Polymarket prices this contract at 0% for the YES outcome, implying the crowd sees no chance of hitting that threshold. Yet historical data frames a different picture: July in Beijing typically sees daily highs around 31°C (88°F), rarely dipping below 26°C (78°F) or exceeding 36°C (96°F)[2]. In 2023, the month’s peak reached 40°C (104°F), and in 2010, Beijing hit 42.1°C on 5 July—just two days before the current settlement date[4][7]. These extremes suggest that while 32°C is not guaranteed, it is well within the realm of possibility, making the current 0% probability appear overly cautious.

Traders should monitor upcoming heatwave announcements from China’s National Meteorological Centre and regional weather bulletins, as an unprecedented July heat wave has already swept parts of China, with temperatures exceeding 35°C in many areas[8]. A recent Reuters report confirmed China recorded its hottest month in recent history in July 2024, averaging 23.21°C, eclipsing the 2017 peak[3]. On-chain mechanics matter too: USDC liquidity on Polygon and conditional token volumes for the 32°C bracket (currently $4,265) may shift if new forecasts emerge[5]. The settlement window ends 2026-07-07T12:00:00Z, so real-time Wunderground data for ZBAA will be the definitive resolution source. Watch for sudden humidity spikes or cloud cover changes, which could suppress peak temperatures despite broader warming trends.

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 Polymarket Qué Es, 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 Qué Es. 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.

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.