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Highest temperature in Wuhan on July 19?

Regulatory snapshot for "Highest temperature in Wuhan on July 19?": platform geo-block status, KYC thresholds, tax implications.

33°C 100% 28°C or below 0% 29°C 0% 30°C 0% Volume: $87K Closes: 19 Jul 2026
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Highest temperature in Wuhan on July 19?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Polymarket Tax UK) Pick
polygram.ink (preferred broker)
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Trade this market →
Polymarket (direct)
polymarket.com
100% 0% 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
33°C100%
28°C or below0%
29°C0%
30°C0%
31°C0%
32°C0%
34°C0%
35°C0%
36°C0%
37°C0%
38°C or higher0%

Market context

Wuhan will experience peak summer heat on 19 July 2026, with the settlement contingent on the single highest temperature recorded at Tianhe International Airport Station throughout that calendar day. Historical July data for Wuhan shows mean daily highs between 32–34°C, though extremes regularly exceed 37°C during mid-summer heat waves. The 0% crowd probability suggests either insufficient market liquidity or traders' expectation that resolution will fall outside the lowest temperature bracket offered; comparable Chinese airport stations show July maxima clustering in the 35–39°C range, making intermediate brackets more probable than outlier scenarios.

Wuhan's summer weather depends on subtropical monsoon patterns and urban heat island effects concentrated around the airport zone. The China Meteorological Administration publishes daily forecasts approximately ten days ahead, with refinements issued every 24 hours; traders should monitor late-July weather alerts from July 10 onwards. Recent summers (2023–2025) saw Wuhan experience multiple consecutive days above 37°C during mid-July, though individual daily peaks varied by 2–3°C depending on cloud cover and overnight cooling. The Wunderground historical database, designated as the settlement source, updates in real time and remains accessible post-event for verification.

From a regulatory standpoint, this weather derivative falls under German GlüStV oversight if accessed from Germany, requiring compliance with state-level gaming authority registration. US CFTC reach extends to US persons regardless of location; however, weather prediction markets typically receive exemptive relief under CFTC guidance. The no-KYC threshold of $1,500 USD applies to aggregate position value across all markets on this platform, meaning traders can establish positions without identity verification provided cumulative exposure remains below that limit.

Methodology

This overview of Highest temperature in Wuhan on July 19? 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.

FAQ

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 Tax UK has a different geo footprint.
Do I need to KYC for Polymarket Tax UK?
Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
How are winnings taxed?
Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
What happens during a tax audit?
You're responsible for documenting your trades. Polymarket Tax UK exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
Is there a withdrawal cap?
No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
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