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Highest temperature in Busan on August 10?

"Highest temperature in Busan on August 10?" — odds, fees, regulatory status. Polymarket Tax UK as a Polymarket alternative.

32°C 100% 24°C or below 0% 25°C 0% 26°C 0% Volume: $72K Liquidity: $219K Closes: 10 Aug 2026
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Highest temperature in Busan on August 10?

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
32°C100%
24°C or below0%
25°C0%
26°C0%
27°C0%
28°C0%
29°C0%
30°C0%
31°C0%
33°C0%
34°C or higher0%

Market context

Busan’s high for 10 August will be set by the hottest reading at Gimhae International Airport, and the market resolves from Weather Underground’s daily observations rather than the summary high/low box, so intraday spikes matter more than the headline forecast. On current market structure, that makes the crowded 30–31°C band more informative than the headline “yes/no” framing, because the contract is really a temperature-bin bet on the day’s peak rather than a simple weather outcome.[4][16]

For context, Busan’s August climate is typically warm to hot and humid, with long-run average highs around 29–30°C and occasional days reaching the mid-30s; historical climate pages also show an August 10 record high of 34.6°C. Recent reporting from South Korea has highlighted an unusually severe heatwave, with nearby Yangsan reaching 42.5°C and Busan described as sweltering in the high 30s, which is relevant because regional heat can lift late-afternoon maxima even when marine influence keeps coastal readings lower.[7][6][13][15][18]

The main catalysts are the day’s actual synoptic conditions: morning cloud, thunderstorms, wind direction, and whether sunshine breaks through before the usual afternoon peak. AccuWeather’s forecast for 10 August points to thunderstorms early, then overcast conditions and a high around 86°F/30°C, while a separate forecast source shows 83/77°F with morning storms and a breezy day; if those cloud and precipitation signals persist, the upper bins become harder to reach, but if the sky clears after noon the market can still print higher than the morning forecast implies.[12][16][1] From a market-access angle, German GlüStV rules can affect whether retail participation is permitted from Germany, the US CFTC can assert jurisdiction over certain derivatives-style access arrangements involving US persons, and “no-KYC up to $1,500” generally means small accounts may trade with lighter identity checks until that threshold, improving access for casual users while leaving higher-volume participation subject to verification.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of Highest temperature in Busan on August 10? 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.

UK Frequently Asked Questions

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.
Is Polymarket regulated by the UKGC?
No. Polymarket is not licensed by the UK Gambling Commission (UKGC). It is a decentralised prediction market operated under US regulation. UK traders can use it but do not benefit from UKGC dispute resolution or player protection requirements.
What are the HMRC tax rules on Polymarket profits for UK traders?
Polymarket profits are treated as cryptocurrency disposal events by HMRC. Each USDC settlement is a taxable event subject to Capital Gains Tax (CGT). For 2026/27, the CGT rate is 18% (basic rate) or 24% (higher rate). The annual CGT exemption is £3,000. Report via HMRC Self Assessment if your total crypto gains exceed £3,000 or proceeds exceed £50,000.
Does Polymarket KYC apply to UK users?
Yes. Polymarket requires KYC (Know Your Customer) verification for all users, including UK residents. You must provide a government-issued photo ID and a selfie. The process typically takes 5–10 minutes via their ID verification provider.
What is the legal difference between Polymarket and Betfair Exchange for UK traders?
Betfair Exchange is UKGC-licensed, meaning UK consumer protections apply and winnings are typically tax-free. Polymarket is not UKGC-licensed — it operates under decentralised blockchain rules. Profits from Polymarket are subject to HMRC CGT as crypto disposals. Choose based on your regulatory preference and tax situation.
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