Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via توقعات كورة) 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 |
|---|---|
| 80-81°F | 100% |
| 75°F or below | 0% |
| 76-77°F | 0% |
| 78-79°F | 0% |
| 82-83°F | 0% |
| 84-85°F | 0% |
| 86-87°F | 0% |
| 88-89°F | 0% |
| 90-91°F | 0% |
| 92-93°F | 0% |
| 94°F or higher | 0% |
Market context
Seattle’s high on 4 August was the key number, with the market settled from the highest reading recorded at Seattle-Tacoma International Airport rather than the city as a whole.[4] The crowd has been leaning to a cooler outcome, with a 0% YES implied probability pointing to a very low expectation of an extreme temperature print compared with the normal August range in Seattle.[10][14]
Historically, Seattle’s August temperatures cluster well below heatwave territory, with AccuWeather’s August table showing recent early-month highs around 75°F to 81°F and lows in the upper 50s to low 60s.[1] WeatherSpark’s August climate pages also frame the month as warm but not typically extreme, so a market pricing close to zero for a very high outcome is consistent with the city’s usual late-summer pattern rather than a one-off spike.[10][14] For traders, the key read-through is whether the day clears the low-80s threshold, since that is where the market’s plausible bins tend to sit on temperature boards for Seattle events.[3][4]
The main catalysts are the official airport observations and any forecast updates into the day, especially if marine air, smoke, or a stronger warm push alters the afternoon peak.[3][4] Polymarket’s market page notes that revisions are considered only until the first datapoint for the following date is published, so late changes to the recorded maximum can still matter before settlement.[3] Robinhood’s contract description also confirms the source as Weather Underground’s Seattle-Tacoma Intl Airport Station, which makes the airport-specific hourly path more important than headlines about Seattle broadly.[4]
Methodology
Football-specific comparison page for توقع: Highest temperature in Seattle on August 4?. 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 (US-focused) or Manifold (play-money).
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.
- 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.
- 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.
- 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.
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