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 |
|---|---|
| 30°C | 99% |
| 31°C | 1% |
| 26°C or below | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 32°C | 0% |
| 33°C | 0% |
| 34°C | 0% |
| 35°C | 0% |
| 36°C or higher | 0% |
Market context
Seoul's highest temperature on 14 August 2026 will be measured at Incheon International Airport Station and recorded in Weather Underground's Daily Observations table. The settlement mechanism prioritises this granular dataset over summary high–low figures, meaning resolution hinges on the specific observation entry rather than rounded daily summaries. August in Seoul typically peaks between 28 and 33 degrees Celsius, though extreme heat events pushing above 35 degrees have occurred in recent summers, most notably during the 2018 heatwave when temperatures exceeded 39 degrees across the region.
The 0% crowd probability reflects either extreme confidence in a specific temperature band or sparse trading activity at market inception. Historical August records for Incheon show considerable year-to-year variance; the 2022 summer saw multiple days above 34 degrees, whilst cooler Augusts have remained in the 26–30 range. Traders should monitor South Korea's Meteorological Administration forecasts released in early August 2026, particularly any heat wave warnings or tropical cyclone activity that could suppress temperatures. El Niño or La Niña conditions active during northern hemisphere summer typically influence East Asian heat patterns; current climate indices should be cross-referenced against the Korea Meteorological Administration's seasonal outlook closer to the resolution date.
From a regulatory standpoint, this market's accessibility varies by jurisdiction. German traders operate under GlüStV provisions, which classify prediction markets as gaming rather than financial instruments below certain thresholds. US CFTC oversight applies to binary derivatives; however, many platforms offer no-KYC trading up to $1,500 notional exposure, permitting retail participation without identity verification at that tier. Traders should verify their platform's specific compliance framework before positioning.
Methodology
This overview of Highest temperature in Seoul (Incheon) on August 14? 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.
- 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.
- 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).
- 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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