Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Germany Legal) Pick polygram.ink (preferred broker) |
98% | 2% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
98% | 2% | 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 |
|---|---|
| 32°C | 98% |
| 33°C | 2% |
| 25°C or below | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 34°C | 0% |
| 35°C or higher | 0% |
Market context
On 14 July 2026, the highest temperature recorded at Incheon International Airport Station will fall into one of several defined ranges, measured in degrees Celsius. The Korea Meteorological Administration operates this station as the official weather observation point serving Seoul's metropolitan area. Historical July data for this location shows daily highs typically between 28–32°C, though heat waves can push readings above 35°C. The current crowd probability of 0% suggests traders are either awaiting resolution or have not yet engaged with this market.
Seoul's summer weather patterns depend heavily on the East Asian monsoon system and the positioning of the North Pacific high-pressure zone. Mid-July typically marks the onset of the rainy season (jangma), which can suppress temperatures, though sudden heat domes have occurred in recent years. The Korea Meteorological Administration issues heat wave alerts when temperatures exceed 33°C for two consecutive days; such events have become more frequent since 2010. Traders should monitor the agency's 10-day forecasts released weekly, as well as any tropical cyclone activity in the Western Pacific that might alter atmospheric circulation patterns over the Korean Peninsula in early July 2026.
From a regulatory standpoint, this market operates under different compliance frameworks depending on trader location. The German GlüStV (Glücksspielstaatsvertrag) exempts prediction markets on real-world events from gambling classification, provided operators hold appropriate licences. US CFTC jurisdiction over event derivatives remains unsettled for non-financial outcomes, though weather derivatives themselves are recognised instruments. Most platforms offer no-KYC access up to $1,500 notional exposure per user, meaning traders in many jurisdictions can participate without identity verification below this threshold, though settlement and withdrawal may require later documentation.
Methodology
This overview of Highest temperature in Seoul on July 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
- 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.
- 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.
- 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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