TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 8, 2:00 AM EST
Kalshi
This market tracks the highest temperature recorded in Houston on July 7, 2026. The outcome will be determined by the official National Weather Service Climatological Report (Daily) for Houston-Hobby, which provides the authoritative temperature measurement for the region.
Resolution is based on the maximum temperature recorded at Houston on July 7, 2026, according to the National Weather Service's Climatological Report (Daily) for Houston-Hobby, TX. The temperature is divided into six ranges: 91°F or below, 92-93°F, 94-95°F, 96-97°F, 98-99°F, and 100°F or above. Each range corresponds to a distinct market outcome. The official data source is accessed through the NWS website by navigating to the Observed Weather tab and selecting Houston-Hobby, TX with the Daily Climate Report option. Traders should note that preliminary NWS data may be subject to rounding and conversion nuances, and the final determination uses only the official NWS Climatological Report (Daily), not preliminary reports or third-party weather services.
Prediction market odds reflect aggregated trader beliefs and often incorporate meteorological models, historical temperature patterns, and seasonal trends that professional forecasters also rely on. Unlike static analyst reports, this market updates continuously as new information arrives, allowing traders to price in evolving conditions. Comparing odds here to published forecasts from the National Weather Service or climate analysts can reveal where the crowd expects surprises or consensus. Markets typically converge toward expert consensus over time, though they may diverge when traders spot overlooked signals.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell shares representing different temperature outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Prices reflect the probability traders assign to each outcome bracket, with higher prices indicating stronger conviction. As new weather data, climate patterns, or seasonal forecasts emerge, traders adjust their positions, moving prices up or down. The continuous pricing model ensures that odds stay aligned with real-time expectations and available information.
This market resolves around Jul 8, 2026, once the highest temperature recorded in Houston on July 7, 2026 is verifiable from credible public sources. The outcome is determined by official temperature readings from established meteorological stations serving the Houston area. Resolution occurs after the trading window closes and the final data is confirmed, ensuring all traders have equal access to the same authoritative information before settlement.
Major shifts in long-range weather forecasts, updated climate models, and seasonal pattern changes can significantly move odds. El Niño or La Niña conditions, atmospheric pressure systems, and historical heat wave patterns for early July all influence trader positioning. News about urban heat island effects, infrastructure changes in Houston, or broader climate trends may also prompt repricing. As July 7, 2026 approaches, short-range forecasts become more reliable, typically triggering sharper price movements in the final weeks before resolution.