Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Polymarket Legal in Canada) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 30°C | 100% |
| 23°C or below | 0% |
| 24°C | 0% |
| 25°C | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 29°C | 0% |
| 31°C | 0% |
| 32°C | 0% |
| 33°C or higher | 0% |
Market context
The underlying event is the highest temperature recorded on 1 July 2026 at Incheon International Airport, measured in degrees Celsius, with settlement finalising by 12:00 UTC on 1 July 2026. Historical patterns for early July in South Korea show hot, humid conditions where daily highs frequently approach 30°C, often feeling like over 34°C due to humidity exceeding 80% during the Jangma monsoon season [3]. Current market data for the adjacent 2 July event points to typical monsoon highs of 28–30°C, while the 1 July market currently assigns a 58% probability to the 30°C range, contradicting the 0% YES probability for the specific "highest temperature" outcome mentioned in your prompt [1][2].
Traders should monitor the Korea Meteorological Administration’s short-range heatwave forecasts and daily precipitation probabilities, which currently sit at 20% with mostly cloudy skies [4]. The resolution depends entirely on Wunderground’s official daily record for Incheon, a source that aggregates data from all times on the day, making short, heavy July rainfalls a critical variable that could suppress peak temperatures [3]. Recent regulatory shifts include the German GlüStV’s tightening of state-level gambling rules and the US CFTC’s expanding reach over digital prediction markets, which now scrutinise platforms offering "no-KYC up to $1,500" for accessibility; this threshold allows retail traders to access this specific weather market without identity verification, provided the bet size remains under the limit, though compliance with local laws remains the trader’s responsibility.
Methodology
This overview of Highest temperature in Seoul on July 1? 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. Is Polymarket Legal in Canada has a different geo footprint.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Is Polymarket Legal in Canada 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. Is Polymarket Legal in Canada 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).
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Polymarket Legal in Canada would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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