Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Germany Legal) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
99% | 1% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 35°C | 99% |
| 36°C | 1% |
| 33°C or below | 0% |
| 34°C | 0% |
| 37°C | 0% |
| 38°C | 0% |
| 39°C | 0% |
| 40°C | 0% |
| 41°C | 0% |
| 42°C | 0% |
| 43°C or higher | 0% |
Market context
On 28 July 2026, the highest temperature recorded at Gimhae International Airport Station in Busan will be measured and reported via Wunderground's historical weather database. This market resolves to whichever temperature band contains that single daily maximum, with settlement occurring at 12:00 UTC on the resolution date. The measurement methodology is standardised across South Korean meteorological stations, with readings taken at consistent intervals throughout the day.
Busan's July climate presents a narrow historical range for peak temperatures. Over the past two decades, daily maxima in late July have typically clustered between 28–32°C, with extreme outliers above 34°C occurring only during pronounced heat waves. The 0% crowd probability currently assigned suggests traders perceive either an unusually cool forecast or uncertainty about which specific temperature band the market offers. Comparable July 28 observations from prior years provide the most reliable baseline; the Gimhae station's records show consistency with broader Korean Meteorological Administration datasets, making historical precedent a primary interpretive tool.
Tropical cyclone activity and upper-level atmospheric patterns in late July 2026 will be the principal catalysts affecting Busan's temperature trajectory. The Korean Meteorological Administration typically issues extended forecasts by mid-July; traders should monitor their official advisories and any tropical storm watches issued by the Japan Meteorological Agency, as systems tracking northward can suppress daytime highs significantly. Cloud cover, monsoon moisture, and any passing frontal systems will determine whether temperatures remain within typical ranges or deviate materially.
Methodology
This overview of Highest temperature in Busan on July 28? 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. Polymarket Germany Legal has a different geo footprint.
- 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.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Polymarket Germany Legal 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. Polymarket Germany Legal exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
- 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).
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