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Highest temperature in Busan on August 1?

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

39°C 100% 36°C or below 0% 37°C 0% 38°C 0% Volume: $75K Liquidity: $102K Closes: 1 Aug 2026
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Highest temperature in Busan on August 1?

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
39°C100%
36°C or below0%
37°C0%
38°C0%
40°C0%
41°C0%
42°C0%
43°C0%
44°C0%
45°C0%
46°C or higher0%

Market context

Busan’s highest temperature on 1 August is a simple weather print, but the market resolves off the *Gimhae Intl Airport Station* reading, not a city-wide average, so coastal moderation and airport siting matter more than headline “Busan weather”. August is normally the hottest month in Busan, with average highs around 84–87°F (about 29–31°C), while the long-run record range shows that genuinely hot afternoons can still push well above those averages on individual days.[2][3][16][17]

A 0% YES price is best read as a signal that the market has not yet received a fresh weather update, not as a statement about summer climatology. Comparable Busan August norms suggest a broad trading band rather than an extreme outcome: typical daytime highs cluster in the high 20s to low 30s Celsius, with occasional peaks higher during heat spells, and Wunderground’s own history page is the settlement source, so the exact noon-to-midday update path matters more than generic forecasts.[1][2][13][15][16] Under German GlüStV framing, access can still be constrained by product classification and operator compliance obligations, even if the underlying event is just a temperature print; in the US, CFTC reach is relevant because weather-linked event contracts can fall into regulated or restricted territory depending on structure and venue. For a market described as “no-KYC up to $1,500”, that typically means small deposits or withdrawals may be available with lighter identity checks, but higher limits, fiat rails, or jurisdictional access can still trigger verification and geoblocking.

The main catalysts are the live forecast trend for Busan, the timing of any Korean Peninsula heat advisory, and whether cloud cover or rain bands suppress the day’s maximum before the settlement window closes at noon UTC, which is late afternoon local time. Traders should watch short-range forecast revisions from major weather services, because August in Busan is also one of the wettest periods of the year, and humidity or rainfall can cap the realised high even when the broader seasonal backdrop is hot.[2][12][17]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of Highest temperature in Busan 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

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.
Are prediction markets gambling?
Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
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).
What if regulation changes?
If regulation changes in your jurisdiction (e.g. prediction markets are banned), Polymarket Tax UK would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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