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Highest temperature in Seoul on July 23?

"Highest temperature in Seoul on July 23?" — odds, fees, regulatory status. Is Polymarket Legal in Canada as a Polymarket alternative.

28°C 57% 29°C 27% 30°C or higher 12% 27°C 5% Volume: $104K Liquidity: $157K Closes: 23 Jul 2026
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Highest temperature in Seoul on July 23?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Is Polymarket Legal in Canada) Pick
polygram.ink (preferred broker)
57% 43% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open the market →
Polymarket (direct)
polymarket.com
57% 43% 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
28°C57%
29°C27%
30°C or higher12%
27°C5%
20°C or below0%
21°C0%
22°C0%
23°C0%
24°C0%
25°C0%
26°C0%

Market context

The highest temperature recorded at Incheon International Airport on 23 July will be determined from the day’s actual maximum reading in °C, and the market is presently pricing a relatively cool outcome, with **27°C** the frontrunner at 49% and **28°C** at 30%[1]. That leaves the current **0% YES** implication out of step with the market’s own distribution, because July in Seoul is typically warm enough for highs around **28°C** on an average day, with frequent humidity and a meaningful chance of rain[2].

For comparison, this kind of summer temperature market is usually driven more by the day’s weather regime than by the date alone: monsoon moisture, cloud cover, and timing of afternoon showers can keep the airport reading below the city’s headline heat. In regulatory terms, accessibility can vary by venue and user profile. A German participant would need to consider the **GlüStV** framework, which can affect whether a prediction market is treated as gambling and how it is offered, while the **US CFTC** can still assert reach where a contract is viewed as a derivatives-style event market rather than a simple wager. For a trader, “**no-KYC up to $1,500**” means smaller positions may be possible without full identity verification, but that threshold is an access feature rather than a guarantee of unrestricted use everywhere, and higher activity may trigger checks or jurisdictional limits.

The main catalysts are straightforward: updates to Seoul-area forecast models, any shift in rain timing, and the final airport observations around the settlement window. Because the resolution source is Wunderground for Incheon Intl Airport Station, the key dependency is the actual recorded high there, not a generic Seoul forecast, so late-day convective rain or a break in cloud cover can matter more than morning conditions.

Sources: 1 · 2

Methodology

This overview of Highest temperature in Seoul on July 23? 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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