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Highest temperature in Shenzhen on August 14?

Comparison of odds and platforms for "Highest temperature in Shenzhen on August 14?" — sourced live from the Polymarket order book, curated by Who Will Win.

30°C 97% 31°C 3% 26°C or below 0% 27°C 0% Volume: $83K Liquidity: $78K Closes: 14 Aug 2026
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Highest temperature in Shenzhen on August 14?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Who Will Win) Pick
polygram.ink (preferred broker)
97% 3% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Live odds →
Polymarket (direct)
polymarket.com
97% 3% 0% Geo-blocked in US/UK/EU USDC, on-chain Live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Live odds →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
30°C97%
31°C3%
26°C or below0%
27°C0%
28°C0%
29°C0%
32°C0%
33°C0%
34°C0%
35°C0%
36°C or higher0%

Market context

Shenzhen's peak temperature on 14 August 2026 will be measured at Bao'an International Airport Station, with settlement determined by the Daily Observations table on Weather Underground rather than summary figures. The 0% implied probability suggests the market has not yet attracted substantive trading interest, though August temperatures in Shenzhen routinely exceed 32°C and frequently reach 35°C or higher during the summer monsoon season.

Historical August data from Shenzhen shows consistent heat patterns across the past decade. Daily highs typically range between 32–36°C during mid-August, with occasional spikes above 37°C during particularly intense heat waves. The 2015 and 2019 August periods recorded several days exceeding 35°C, establishing that extreme heat is neither rare nor exceptional for this period. Current market pricing at zero probability across all temperature ranges suggests either technical setup issues or genuine absence of early trading activity rather than genuine confidence that temperatures will fall outside historical norms.

Traders should monitor tropical cyclone activity in the South China Sea during early August 2026, as storm systems can suppress temperatures significantly or, conversely, create pre-storm heat spikes. Shenzhen's proximity to the coast means monsoon patterns and sea surface temperatures will influence outcomes. Weather forecasts become reliable only 10–14 days before the settlement date, meaning current positioning reflects pure historical distribution rather than meteorological prediction. The resolution methodology's emphasis on Daily Observations data rather than summary highs creates a technical dependency worth verifying against Weather Underground's historical recording practices.

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 Who Will Win, which mirrors the Polymarket order book directly.

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.

UK Frequently Asked Questions

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.
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.
Is Polymarket legal in the UK?
Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
Do I pay tax on prediction market profits in the UK?
UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
How do I deposit on Polymarket from the UK?
UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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