Highest temperature in Seoul on June 2?

Platform comparison

Market context

On 2 June 2026, the highest temperature recorded at Incheon International Airport Station will fall into one of several predefined ranges measured in degrees Celsius. The settlement will draw from Weather Underground's historical data for that specific location and date, with resolution occurring at 12:00 UTC on the same day. Incheon, serving Seoul's metropolitan area, experiences early summer conditions in June with typical daily highs ranging from 24–28°C, though heat waves can push readings significantly higher.

The 0% implied probability reflects the market's current state rather than meteorological impossibility. Seoul's June temperatures have historically varied considerably; the Korea Meteorological Administration records show June highs have reached 30°C or above in roughly one-third of years since 2000, with extreme outliers near 35°C during heat waves. Comparable weather prediction markets typically show non-zero probabilities for temperature ranges weeks in advance, as seasonal patterns and historical distributions inform pricing. The absence of trader activity here likely indicates low liquidity or early-stage market formation rather than certainty about conditions.

Traders monitoring this market should track the Korean Meteorological Administration's seasonal forecasts and any heat wave warnings issued in late May 2026. El Niño or La Niña conditions, if present, would influence broader East Asian temperature patterns. Real-time weather models become reliable only 10–14 days before the settlement date; early positioning relies on climatological norms and any announced pressure systems. The settlement window closes at noon UTC, meaning traders must account for the time difference between UTC and Korean Standard Time (UTC+9) when interpreting final readings.

Methodology

This overview of Highest temperature in Seoul on June 2? 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

Resolution source: This market settles from the official publication at https://www.wunderground.com/history/daily/kr/incheon/RKSI. A proposer submits the result to the UMA Optimistic Oracle on Polygon, the two-hour challenge window opens, and the smart contract pays out in USDC.

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. PolyGram has a different geo footprint.

Do I need to KYC for PolyGram?

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.

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. PolyGram 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.