TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 9, 4:00 AM EST
Kalshi
Las Vegas will experience varying heat levels on July 8, 2026. The actual maximum temperature recorded by the National Weather Service will determine which temperature range occurred that day. This market tracks the peak daytime temperature in the city.
Resolution is determined by the maximum temperature recorded at Las Vegas on July 8, 2026, according to the National Weather Service's Climatological Report (Daily). The official data source is accessed through the NWS Regional Headquarters website by navigating to the Observed Weather tab and selecting Las Vegas, NV with Daily Climate Report. Temperature ranges are stratified into six outcomes: 106°F or below, 107-108°F, 109-110°F, 111-112°F, 113-114°F, and 115°F or above. Traders should note that preliminary NWS reporting may be subject to rounding and conversion nuances, and the final official NWS Climatological Report (Daily) serves as the authoritative source rather than preliminary data or third-party weather services.
Prediction market odds reflect real-money bets from traders who profit when their forecasts prove accurate, creating a financial incentive for precision. This differs from traditional analyst forecasts, which may rely on models or institutional guidance without direct financial stakes. This market aggregates dispersed knowledge from many participants, often revealing consensus or disagreement on whether the Las Vegas temperature will exceed or fall short of key thresholds. Comparing the implied probability here to published meteorological outlooks can highlight where traders see edge or divergence from official predictions.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell contracts representing different temperature outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each contract reflects the collective belief in that outcome's likelihood, with higher prices indicating stronger confidence. As new information arrives—updated weather models, seasonal patterns, or real-time atmospheric data—traders adjust their positions, moving prices to reflect fresh expectations. This continuous repricing ensures the market remains efficient and responsive to changing conditions.
This market resolves around Jul 9, 2026, after the highest temperature in Las Vegas on July 8, 2026 has been recorded and verified. The outcome is confirmed once the event is verifiable from credible public reporting, allowing traders to settle their positions based on the actual observed temperature. Until that date, prices may fluctuate as forecasts update and market participants adjust their views on the likely high for that day.
Major weather pattern shifts, updated seasonal climate forecasts, and long-range atmospheric models will likely drive price movement in this market. Real-time heat waves, changes in upper-air circulation, or anomalies in ocean temperatures could signal hotter or cooler conditions ahead. Historical temperature records for early July in Las Vegas and broader climate trends may also influence trader positioning. As July 8, 2026 approaches, short-term weather forecasts will become increasingly precise, potentially triggering sharp repricing as the event date nears.