Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| 96-97°F | 100% |
| 92-93°F | 0% |
| 102-103°F | 0% |
| 104-105°F | 0% |
| 91°F or below | 0% |
| 94-95°F | 0% |
| 98-99°F | 0% |
| 100-101°F | 0% |
| 106-107°F | 0% |
| 108-109°F | 0% |
| 110°F or higher | 0% |
Market context
A powerful heat wave is currently expanding across the central United States, driving dangerously high temperatures and intense summer conditions specifically into Texas, Oklahoma, and the broader Midwest. Millions are facing prolonged periods of extreme heat with high humidity increasing heat index values, while little overnight cooling adds to the heat stress concerns for vulnerable populations in Dallas.
Historical records for late June at Dallas Love Field show a consistent pattern of scorching highs, with the record for June 26 set at 100°F in 2022, and recent forecasts for June 2026 projecting daily highs ranging from 96°F to 100°F. Comparable markets for earlier June dates in Dallas have overwhelmingly resolved to the 92–93°F range or higher, suggesting that a 0% probability for the lowest temperature bracket aligns with the region's established thermal baseline during this period of active heat.
Traders should monitor the National Weather Service updates for Dallas Love Field, which currently report above-normal temperatures with a heat index of 97°F, alongside any scheduled declarations regarding heat safety or emergency declarations from local authorities. The market is leaning heavily on the immediate continuation of this expanding heat wave, as recent news from YouTube coverage confirms that towns in Texas experienced heat index numbers above 115°F on June 10th, indicating that the current atmospheric conditions are likely to sustain these elevated temperatures through the settlement window.
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Dallas on June 28? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
FAQ
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- Which platform has the deepest political liquidity?
- Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Which political events have the biggest volume?
- US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.
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