Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| 100-101°F | 100% |
| 95°F or below | 0% |
| 96-97°F | 0% |
| 98-99°F | 0% |
| 102-103°F | 0% |
| 104-105°F | 0% |
| 106-107°F | 0% |
| 108-109°F | 0% |
| 110-111°F | 0% |
| 112-113°F | 0% |
| 114°F or higher | 0% |
Market context
Dallas Love Field’s early-August heat profile makes a **triple-digit** outcome the natural frame for this market, and the 0% crowd price on “YES” only makes sense if traders are anchoring to a materially cooler reading than the current forecast backdrop. Weather Underground says the settlement source is the **Daily Observations** table, so the relevant number is the station’s recorded maximum on 6 August rather than the broader day summary; that matters because the market resolves off the observed peak at Dallas Love Field, not a citywide impression. [3]
The main historical guide is that Dallas routinely reaches the upper 90s or low 100s in August, with the local climatology showing a long run of extreme heat and repeated 100°F-plus days in the region. Weather Underground’s market page points to an afternoon high of **101°F** under persistent summer heat and light southerly flow, while other forecast sites for Dallas around that date cluster in the mid-to-upper 90s, which helps explain why the leading bucket is around 100-101°F and why the market is not pricing a very low ceiling. [1][2][11]
For traders, the key catalysts are the **final station observation** at Love Field, any late-day forecast adjustment from the National Weather Service, and whether cloud cover or a storm outflow trims the peak temperature before the day’s last reading is logged. CBS Texas noted hot weather continuing across North Texas with triple-digit heat in the forecast for 6 August, which supports watching for any day-of changes in heat index, convection, or wind direction that could nudge the actual maximum into or out of the top bracket. [12][1][3]
Methodology
Sports-specific comparison page for Highest temperature in Dallas 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 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.
- 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.
- 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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