Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
89% | 11% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
89% | 11% | 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 |
|---|---|
| 29°C | 89% |
| 30°C or higher | 10% |
| 20°C or below | 0% |
| 21°C | 0% |
| 22°C | 0% |
| 23°C | 0% |
| 24°C | 0% |
| 25°C | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
Market context
Seoul’s July heat is intensifying, with daily highs typically climbing from 81°F to 85°F and rarely dipping below 74°F or exceeding 91°F[1]. Historical data shows that extreme heatwaves in the region, such as the 2018 event when Seoul hit 39.6°C, are becoming more frequent and severe[2]. The current crowd-implied probability of 0% for a specific temperature range suggests traders are betting against an outlier event, yet recent records from 2025—where temperatures reached 41.2°C and 22 tropical nights occurred—indicate that such extremes are no longer impossible[4]. With the Korea Meteorological Administration forecasting sustained above-average temperatures and no significant rainfall through early August, the baseline for July 7, 2026, leans toward persistent, high-intensity heat[2].
Traders should monitor immediate weather bulletins from the Ministry of the Interior and Safety, which recently elevated heatwave alerts to the highest “severe” level six days earlier than last year[2]. Key dependencies include the timing of monsoon rains, which could temporarily suppress temperatures, and the persistence of tropical nights, a factor that has driven record-breaking heat in recent summers[4]. Recent forecasts from AccuWeather for July 2026 predict daily highs between 79°F and 94°F, with overnight lows remaining warm between 72°F and 79°F, reinforcing the likelihood of sustained high temperatures[6]. Any sudden shift in rainfall patterns or cloud cover, as hinted by local reports of heavy rain in July, could alter the trajectory, but the prevailing trend points to continued extreme heat[9].
Methodology
Sports-specific comparison page for Highest temperature in Seoul on July 7?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
Trade Highest temperature in Seoul on July 7? on March Madness Predictions
Live order book, 0% fees, USDC settlement in seconds.
Open live market →