Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via World Cup 2026 Favorites) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 88-89°F | 100% |
| 77°F or below | 0% |
| 78-79°F | 0% |
| 80-81°F | 0% |
| 82-83°F | 0% |
| 84-85°F | 0% |
| 86-87°F | 0% |
| 90-91°F | 0% |
| 92-93°F | 0% |
| 94-95°F | 0% |
| 96°F or higher | 0% |
Market context
Miami’s 6 August high has already settled into a very tight late-summer band, which helps explain why the market is pinned to the lower temperature ranges rather than a breakout heat spike. AccuWeather’s August outlook shows Miami running around 87-89°F on nearby dates, while historical August averages sit near 90°F for the daily high, which is consistent with a market centred on the upper 80s to around 90°F rather than the mid-90s. [1][13]
For comparison, Miami has already posted several 2026 highs in the low-90s, including 92°F to 94°F earlier in August, and a season peak of 97°F in mid-July, so there is precedent for hotter readings if the air mass clears and sunshine dominates. That said, the current setup still favours a controlled range unless a stronger heat ridge builds over south Florida; the market’s 0% YES pricing on a higher bucket suggests traders are treating the upper-90s as a low-probability tail outcome rather than a base case. [3][2]
The main catalysts are forecast changes, cloud cover, and any rain or thunderstorm timing that limits daytime heating at Miami International Airport, since the market resolves off the Weather Underground Daily Observations table for KMIA rather than the summary high/low. Wunderground’s own event framing points traders to the station-specific daily record, so the most relevant late moves would come from updated short-range guidance, convective rainfall, or a shift in the forecast track that changes how long temperatures can climb before the daily maximum is reached. [2][7]
Methodology
Football-specific comparison page for Highest temperature in Miami on August 6?. 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.
- 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.
- 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.
- 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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