Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
99% | 1% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
99% | 1% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 26°C | 99% |
| 27°C | 2% |
| 19°C or below | 0% |
| 20°C | 0% |
| 21°C | 0% |
| 22°C | 0% |
| 23°C | 0% |
| 24°C | 0% |
| 25°C | 0% |
| 28°C | 0% |
| 29°C or higher | 0% |
Market context
Paris is in the middle of a notable July heat spell, with forecasters warning of highs in the high 30s Celsius and a possible push to 40°C in places. That makes the market’s 0% implied probability look detached from the prevailing weather setup, because the settlement source is the Paris-Le Bourget Airport Station maximum for the day, not a citywide average, and airport readings can move quickly when a hot airmass is in place.[1][4]
For context, a 0% line only fits if traders think the heat breaks sharply or the station never gets close to the upper forecast envelope. July in Paris is normally warm rather than extreme, but the current pattern is being described as a multi-day heatwave, with cooler Atlantic air expected only towards the end of the week as the ridge weakens. That leaves the key question less about whether Paris is warm, and more about whether the airport’s official peak lands in the high 20s, low 30s, or well above that.[1][2]
The main catalysts are the timing of any heat-alert updates, the exact daily forecast for Paris-Le Bourget, and whether afternoon convection or thunderstorms trigger an earlier cap on temperatures. Traders should also watch for changes in the forecast as the heat dome weakens, because even a modest shift in cloud cover, wind direction, or rain could pull the maximum down several degrees. Public guidance has already emphasised the hottest part of the day between noon and 6 p.m., which is the window most likely to decide the settlement value.[1][2]
Methodology
Sports-specific comparison page for Highest temperature in Paris on July 26?. 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
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- 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.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
Trade Highest temperature in Paris on July 26? on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →