Highest temperature in Shenzhen on July 7?

Platform comparison

Market context

Shenzhen’s July climate is defined by intense heat, with daily highs typically reaching 32°C (90°F) and frequent heavy rainfall driven by the subtropical high and typhoons[1]. The market currently prices the “24°C or below” outcome at 0% probability, reflecting the crowd’s certainty that temperatures will far exceed this threshold on 7 July 2026[2]. This aligns with historical data: July is Shenzhen’s hottest month, averaging a high of 89°F (32°C) and rarely dipping below 27°C (81°F) even on cooler days[3][6].

Recent forecasts for July 2026 predict daily highs between 86°F and 96°F (30°C–36°C), confirming that a sub-24°C reading is meteorologically implausible[4]. Traders should monitor the official weather bulletins from the Shenzhen Meteorological Bureau, particularly any updates on incoming typhoons or heavy shower systems that could temporarily lower temperatures, though even these events rarely push highs below 27°C[1]. The resolution depends entirely on Wunderground’s recorded maximum for the Bao’an International Airport Station, with no on-chain adjustments possible once the conditional tokens settle on Polygon using USDC[2].

No moralising is needed: the data shows a 0% chance for this outcome, and the on-chain mechanics will enforce this result when the settlement window closes on 7 July 2026 at 12:00 UTC[2]. The market’s pricing is a direct reflection of climatology, not speculation, and the USDC liquidity will settle accordingly without further intervention.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Highest temperature in Shenzhen on July 7? 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

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 PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 PolyGram 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.