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Highest temperature in Chengdu on August 1?

Regulatory snapshot for "Highest temperature in Chengdu on August 1?": platform geo-block status, KYC thresholds, tax implications.

27°C 100% 22°C or below 0% 23°C 0% 24°C 0% Volume: $79K Liquidity: $114K Closes: 1 Aug 2026
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Highest temperature in Chengdu on August 1?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Is Polymarket Legal in Canada) Pick
polygram.ink (preferred broker)
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open the market →
Polymarket (direct)
polymarket.com
100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain Open the market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Open the market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Open the market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Open the market →

Outcome probabilities

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

OutcomeProbability
27°C100%
22°C or below0%
23°C0%
24°C0%
25°C0%
26°C0%
28°C0%
29°C0%
30°C0%
31°C0%
32°C or higher0%

Market context

The underlying event is whether Chengdu Shuangliu International Airport records its day’s **highest temperature** in a given Celsius band on 1 August 2026. Chengdu’s August climate is typically hot, humid and rain-prone, with average highs around 29–31°C and occasional spikes well above 35°C, so the market is mainly about whether the airport reaches a genuinely extreme daytime peak rather than ordinary seasonal warmth.[2][4][11][16]

A 0% YES price is hard to read as a weather forecast because the historical distribution does not support zero-likelihood summer heat. Multiple climate summaries place Chengdu’s August highs near the high 20s to low 30s Celsius, while records cited for the city range up to about 39–41.6°C, including 39°C in 2022 and 41.6°C in another long-run dataset.[1][4][6][16] The practical takeaway is that even if the market is framed around a specific airport station rather than the wider city, August conditions in Chengdu regularly allow for temperatures that can land in several adjacent resolution bands, especially if a heat pulse develops around midday.[2][5][13]

For traders, the main catalysts are forecast updates on the days leading into settlement, any shift in monsoon rainfall timing, and whether cloud cover or thunderstorm outflows suppress the afternoon maximum; Chengdu’s August rain statistics are substantial, with climate sources showing frequent wet days and high monthly precipitation.[2][3][11] On accessibility, German GlüStV can matter because it may treat prediction-market participation as gambling activity subject to local restrictions, while US CFTC reach is relevant if a venue or participant activity falls within US commodities regulation; *no-KYC up to $1,500* usually means smaller accounts can open and trade with limited identity checks until cumulative activity crosses that threshold, which can lower friction for this specific market but does not remove jurisdictional limits or tax reporting obligations where they apply.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of Highest temperature in Chengdu on August 1? 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. Is Polymarket Legal in Canada has a different geo footprint.
Do I need to KYC for Is Polymarket Legal in Canada?
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.
Can I trade anonymously?
Pseudonymously, yes — up to the KYC threshold. Is Polymarket Legal in Canada stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
What happens during a tax audit?
You're responsible for documenting your trades. Is Polymarket Legal in Canada exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
What if regulation changes?
If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Polymarket Legal in Canada would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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