Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Germany Legal) Pick polygram.ink (preferred broker) |
49% | 51% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
49% | 51% | 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 |
|---|---|
| 33°C | 49% |
| 32°C | 35% |
| 34°C | 10% |
| 35°C | 1% |
| 29°C or below | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 36°C | 0% |
| 37°C | 0% |
| 38°C | 0% |
| 39°C or higher | 0% |
Market context
Seoul’s heat is the live variable, but the contract resolves on the **highest temperature at Incheon Intl Airport Station** recorded in Weather Underground’s Daily Observations, not the headline daily high. Current forecasts for the metropolitan area cluster around the low-to-mid **30s Celsius**, with official Korean short-range guidance calling for **34–35°C** and possible afternoon showers, while private forecasters show similar heat plus some cloud cover and precipitation risk.[10][12][4][7]
That combination makes the market more a reading on site-specific airport observations than on citywide summaries. In analogous summer heat markets, the key issue is whether the observed maximum lands a degree above or below the most commonly advertised forecast band; when the market is priced at **0% YES**, it usually reflects either a perceived mismatch with the settlement source or an expectation that the relevant station will not print the needed range. The KMA has already flagged continued heat and tropical nights, which supports elevated temperatures but not necessarily a record-like outcome at the airport station.[10]
For accessibility, German **GlüStV** treatment can matter because prediction markets aimed at users in Germany may face advertising, participation, or platform-licensing constraints depending on local classification, while US **CFTC** reach is relevant where a venue or user base touches American derivatives regulation. A stated **no-KYC up to $1,500** typically means small-value access can be opened with lighter identity checks, but it does not remove platform, jurisdiction, or payment-screening limits; for a weather contract like this, that mostly affects who can enter rather than how the temperature itself is settled.
Methodology
This overview of Highest temperature in Seoul (Incheon) on August 9? 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.
- Do I need to KYC for Polymarket Germany Legal?
- 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.
- 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 if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Polymarket Germany Legal would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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