Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
94% | 6% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
94% | 6% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 28°C | 94% |
| 29°C | 6% |
| 22°C or below | 0% |
| 23°C | 0% |
| 24°C | 0% |
| 25°C | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 30°C | 0% |
| 31°C | 0% |
| 32°C or higher | 0% |
Market context
The real-world event driving this market is the highest temperature recorded on 2 July 2026 at Incheon International Airport, measured in degrees Celsius. In prediction markets, a YES share pays out if the temperature falls within a specific range you selected, while a NO share pays out if it does not. Here, the crowd currently implies a 0% chance for the highest temperature to be in the selected range, suggesting traders believe that outcome is virtually impossible.
Historical data frames this probability clearly: July in Seoul is typically hot and humid, with daytime highs averaging between 25°C and 30°C, and occasional peaks nudging 30°C[3][5]. The market’s frontrunner is 27°C at 43%, followed closely by 28°C at 39%, indicating traders expect temperatures in the upper 20s rather than extremes[1]. Given that July is the rainiest month in Korea, with short but heavy downpours common, a sudden drop to unusually low temperatures is unlikely, reinforcing why the current probability for the selected range sits at zero[2].
Traders should monitor the Korea Meteorological Administration’s short-range forecasts, which currently show a 60% chance of slight rainfall and temperatures feeling around 26°C[7]. The monsoon season (Jangma), lasting from late June to mid-July, often brings concentrated rain that can temporarily lower peak temperatures, though humidity usually keeps the “feels like” temperature above 34°C at midday[2]. Any official announcements regarding weather disruptions or shifts in the monsoon pattern could alter expectations, but current data suggests sustained warmth in the mid-to-high 20s is the most probable outcome[3][9].
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Market UK, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Prediction Market UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Market UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Highest temperature in Seoul on July 2? on Prediction Market UK
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