TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 6, 4:00 AM EST
Kalshi
The maximum temperature in Las Vegas on June 5, 2026, will be recorded according to the National Weather Service's daily climatological report.
Prediction market odds on Kalshi reflect real-money trader expectations and often incorporate the latest meteorological models and seasonal forecasts from climate analysts. While professional weather services issue deterministic point forecasts or ranges for June temperatures in Las Vegas, prediction markets aggregate distributed information from many participants, sometimes revealing nuances or tail-risk probabilities that traditional forecasts downplay. Comparing market-implied odds to analyst consensus can reveal whether traders are pricing in unusual heat patterns, La Niña or El Niño effects, or other climate signals that experts emphasize differently. Divergence between the two often signals emerging data or disagreement about likelihood.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, the highest temperature in Las Vegas on June 5, 2026 is priced as a set of binary or range-based contracts, each representing a specific temperature threshold or band. Traders buy or sell shares at prices between 0 and 100 cents, where the price reflects the market's implied probability of that outcome occurring. As new weather data, seasonal patterns, or climate anomalies emerge, traders adjust positions, moving prices up or down. The most actively traded contracts typically cluster around historically typical June highs for Las Vegas, though extreme heat or cooler scenarios can attract speculative interest and shift pricing accordingly.
The market resolves on Jun 6, 2026, shortly after the highest temperature for June 5, 2026 is officially recorded in Las Vegas. Resolution depends on verified meteorological data from the designated official weather station or source for Las Vegas. Once the final high temperature is confirmed, the contract corresponding to the actual outcome is settled at 100 cents, and all other contracts settle at zero. Traders holding the correct outcome receive their payout, while incorrect positions expire worthless. The resolution process typically occurs within hours of the market end date once data is finalized and validated.
Major signals include updated seasonal climate forecasts, La Niña or El Niño development, atmospheric pressure patterns, and jet-stream positioning that influence Southwest heat. Real-time weather model runs in late May and early June will sharpen expectations as the date approaches. Unusual solar activity, volcanic aerosols, or ocean temperature anomalies could shift long-range probabilities. Historical heat waves or cool spells in the region may prompt traders to reprice tail outcomes. As June 5 draws near, daily weather forecasts become increasingly precise, typically causing prices to converge toward the most likely outcome. Breaking news about climate events or extreme weather elsewhere can also trigger speculative repositioning.