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Highest temperature in Seoul on July 25?

Regulatory snapshot for "Highest temperature in Seoul on July 25?": platform geo-block status, KYC thresholds, tax implications.

31°C 91% 32°C or higher 8% 22°C or below 0% 23°C 0% Volume: $102K Liquidity: $152K Closes: 25 Jul 2026
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Highest temperature in Seoul on July 25?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Is Polymarket Legal in Canada) Pick
polygram.ink (preferred broker)
91% 9% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open the market →
Polymarket (direct)
polymarket.com
91% 9% 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
31°C91%
32°C or higher8%
22°C or below0%
23°C0%
24°C0%
25°C0%
26°C0%
27°C0%
28°C0%
29°C0%
30°C0%

Market context

Seoul experiences peak summer heat in late July, with daily highs typically ranging from 28 to 32 degrees Celsius during this period. The Incheon International Airport Station, situated west of the city centre, serves as the official measurement point for this market. Historical data from the Korea Meteorological Administration shows that 25 July has recorded temperatures between 26 and 34 degrees Celsius over the past two decades, with extreme heat events becoming more frequent in recent years. The 0% crowd probability suggests traders are uncertain about which specific temperature band will be recorded, or that the market's resolution criteria remain unclear to participants.

Comparable weather prediction markets on this platform typically see probability clustering around historical medians once traders familiarise themselves with the measurement station's microclimate and seasonal patterns. Incheon's coastal location moderates temperatures relative to central Seoul, a distinction that affects how historical records translate to this specific settlement location. The current flat probability distribution indicates limited trading activity or disagreement about baseline expectations for late July conditions.

Traders should monitor the Korea Meteorological Administration's seasonal forecasts and any tropical cyclone activity in the Western Pacific, which can significantly alter temperature trajectories in late July. Heat wave advisories issued by South Korean authorities typically appear 5–7 days before onset, providing actionable signals. The settlement window closes at 12:00 UTC on 25 July 2026, meaning only the highest temperature recorded up to that point counts; afternoon peaks after settlement are excluded from resolution.

Methodology

This overview of Highest temperature in Seoul on July 25? 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.
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.
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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