Highest temperature in Busan on August 6?

Platform comparison

Market context

Polymarket currently prices **0% YES** for a Busan high-temperature contract that settles from the **highest reading at Gimhae Intl Airport Station** on 6 August, with gains or losses paid in **USDC on Polygon** through the relevant conditional tokens. A zero price means the crowd is assigning no probability to the specified outcome range at present, so the key question for traders is not the citywide feel but the exact station maximum that Wunderground records before the settlement window closes.

Busan’s August climate normally clusters around the low-to-mid 30s Celsius at the top end, with published monthly normals around 31–31.5°C and average highs near 30°C, so outcomes above the mid-30s are uncommon outside exceptional heat events.[2][16][19] That matters because the market’s range structure makes each extra degree meaningful: a move from the low 30s into the mid 30s can shift the winning bucket entirely, even when the broader weather picture still looks merely hot by local standards. Comparable heat episodes in the region show that Busan can briefly spike much higher; in 2026, nearby southeastern South Korea has already seen record-breaking extremes, including Busan’s own 38.8°C high during the current heat wave, which sets a practical benchmark for how far upside can run.[3][4][5][14]

A trader watching this market should follow the midday heating cycle, cloud cover, rainfall risk, and any changes in local heat advisories, because the station’s daily maximum is usually set in the afternoon rather than early morning. Forecast services currently point to a hot but not explosive day for Busan, with some models around 31–33°C and others allowing rain, which would cap the upside if convection arrives early.[11][12][13] The settlement source is fixed to Wunderground’s Gimhae Intl Airport Station history page, so the relevant catalyst is the actual reported daily maximum there, not headline forecasts for Busan more broadly.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Busan on August 6? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

UK Frequently Asked Questions

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.