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Highest temperature in Beijing on August 10?

Regulatory snapshot for "Highest temperature in Beijing on August 10?": platform geo-block status, KYC thresholds, tax implications.

32°C 99% 33°C 2% 28°C or below 0% 29°C 0% Volume: $55K Liquidity: $186K Closes: 10 Aug 2026
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Highest temperature in Beijing on August 10?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Polymarket Legal UK) Pick
polygram.ink (preferred broker)
99% 1% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Trade this market →
Polymarket (direct)
polymarket.com
99% 1% 0% Geo-blocked in US/UK/EU USDC, on-chain Trade this market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Trade this market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Trade this market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Trade this market →

Outcome probabilities

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

OutcomeProbability
32°C99%
33°C2%
28°C or below0%
29°C0%
30°C0%
31°C0%
34°C0%
35°C0%
36°C0%
37°C0%
38°C or higher0%

Market context

Beijing’s 10 August temperature will be set by the day’s observed peak at the Beijing Capital International Airport station, not by any headline summary figure, so the relevant trade is about the highest *measured* reading in Weather Underground’s Daily Observations table. Seasonal context points to a hot, humid mid-summer profile: August averages are around 30–31°C for daytime highs, with lows near 21–22°C, and individual August 10 historical entries commonly sit in the low-30s Celsius rather than at the extremes.[1][6][18]

The present 0% YES implies the market is treating the lower outcome bands as overwhelmingly likely, but Beijing’s late-summer weather often leaves scope for a few-degree swing either way. Recent historic and forecast-style pages show 10 August highs around 33–34°C in some years, while other August days have reached 35°C or more, so the practical question is whether the airport station records a modestly hot afternoon or a more pronounced heat spike.[7][9][13][14] For accessibility, “no-KYC up to $1,500” means a trader can typically participate without full identity verification until cumulative activity crosses that threshold; that lowers friction for small positions, though platform rules still apply. Separately, German GlüStV rules can matter because unauthorised online gambling-style products may be restricted for German users, while US CFTC jurisdiction is relevant wherever a market is treated as a derivatives-style event contract rather than a simple wager.

Catalysts are operational rather than political: the main live inputs are the airport station’s hourly temperature trace, any late-morning cloud cover or precipitation, and whether the observed maximum arrives before the settlement cut-off. Timeanddate’s Beijing forecast for 10 August points to a sunny, dry day with a high near 91°F and 0% precipitation chance, which supports the idea of a warm afternoon if verified conditions track the forecast.[14] For a market resolved from Weather Underground, the key is whether the Daily Observations table captures a later peak than the day summary, particularly if the highest reading occurs after the morning update cycle or during a brief heat surge.[2][15]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of Highest temperature in Beijing on August 10? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.

Resolution & payout

On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.

UK Frequently Asked Questions

Is Polymarket legal in my country?
Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Polymarket Legal UK has a different geo footprint.
Is Polymarket regulated by the UKGC?
No. Polymarket is not licensed by the UK Gambling Commission (UKGC). It is a decentralised prediction market operated under US regulation. UK traders can use it but do not benefit from UKGC dispute resolution or player protection requirements.
What are the HMRC tax rules on Polymarket profits for UK traders?
Polymarket profits are treated as cryptocurrency disposal events by HMRC. Each USDC settlement is a taxable event subject to Capital Gains Tax (CGT). For 2026/27, the CGT rate is 18% (basic rate) or 24% (higher rate). The annual CGT exemption is £3,000. Report via HMRC Self Assessment if your total crypto gains exceed £3,000 or proceeds exceed £50,000.
Does Polymarket KYC apply to UK users?
Yes. Polymarket requires KYC (Know Your Customer) verification for all users, including UK residents. You must provide a government-issued photo ID and a selfie. The process typically takes 5–10 minutes via their ID verification provider.
What is the legal difference between Polymarket and Betfair Exchange for UK traders?
Betfair Exchange is UKGC-licensed, meaning UK consumer protections apply and winnings are typically tax-free. Polymarket is not UKGC-licensed — it operates under decentralised blockchain rules. Profits from Polymarket are subject to HMRC CGT as crypto disposals. Choose based on your regulatory preference and tax situation.
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