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Highest temperature in Shanghai on August 13?

Sports snapshot for "Highest temperature in Shanghai on August 13?" with league data and platform comparison on a single page.

29°C 95% 30°C 5% 24°C or below 0% 25°C 0% Volume: $100K Liquidity: $294K Closes: 13 Aug 2026
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Highest temperature in Shanghai on August 13?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Sport Prediction) Pick
polygram.ink (preferred broker)
95% 5% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Live odds →
Polymarket (direct)
polymarket.com
95% 5% 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
29°C95%
30°C5%
24°C or below0%
25°C0%
26°C0%
27°C0%
28°C0%
31°C0%
32°C0%
33°C0%
34°C or higher0%

Market context

Shanghai's highest temperature on 13 August 2026 will be measured at Pudong International Airport Station and resolved using Weather Underground's Daily Observations table rather than the Day High & Low summary. The market currently shows 0% implied probability across all temperature ranges, suggesting traders have not yet priced in expectations for this specific date.

August represents peak summer in Shanghai, with historical data showing average daily highs between 32–34°C during this period. The city's subtropical climate produces consistently warm conditions through mid-August, though occasional typhoon systems or monsoon patterns can introduce variability. Examining Weather Underground records from previous August 13th observations provides the most direct comparable baseline: temperatures have typically ranged from 30–36°C depending on cloud cover, precipitation, and atmospheric pressure systems active in the region.

Traders should monitor tropical cyclone forecasts issued by the China Meteorological Administration and regional weather services in late July and early August 2026, as typhoons approaching or crossing the East China Sea materially affect Shanghai's temperature profile. Urban heat island effects from Shanghai's dense development also influence station readings, particularly during high-pressure systems. The resolution methodology's reliance on Pudong Airport Station data—rather than alternative Shanghai monitoring sites—means familiarity with that specific location's historical temperature patterns will be essential for calibrating range selections. Current zero probability across all ranges suggests the market awaits initial trader participation to establish baseline expectations.

Methodology

Sports-specific comparison page for Highest temperature in Shanghai on August 13?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

UK Frequently Asked Questions

Are prediction markets better than sports betting?
Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
When do sports markets resolve?
Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
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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