TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 7, 4:00 AM EST
Kalshi
This market tracks the overnight low temperature in Las Vegas on July 6, 2026. The outcome will be determined by the official National Weather Service daily climatological report for the Las Vegas area, which records the minimum temperature reached during that calendar day.
Resolution is based on the minimum temperature recorded at Las Vegas on July 6, 2026, as reported in the National Weather Service's Climatological Report (Daily) accessible via the Las Vegas NWS office. The official data source is the NWS Daily Climate Report for Las Vegas, NV, available through the specified NWS regional office portal. Traders should note that preliminary NWS data may be subject to rounding and conversion nuances, and the final official NWS Climatological Report (Daily) serves as the authoritative source for resolution. While secondary sources like AccuWeather or Google Weather may provide guidance, only the NWS Climatological Report (Daily) value is used for final determination.
Prediction market odds often diverge from traditional weather forecasts because they incorporate real-time trader sentiment and broader uncertainty. While meteorologists issue deterministic point forecasts or narrow ranges based on atmospheric models, this market aggregates the beliefs of many participants betting their capital on different outcomes. Traders may price in tail risks, seasonal patterns, or climate anomalies that analysts downweight, creating a probabilistic view that complements but may differ from official forecasts issued closer to the event date.
On Kalshi, this market is priced through an order-book mechanism where traders buy and sell contracts corresponding to different temperature ranges. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each contract represents a specific outcome, and the price reflects the probability traders assign to that range occurring. As new information arrives—updated weather models, seasonal data, or climate reports—traders adjust their positions, moving prices up or down to reflect shifting expectations about the lowest temperature on July 6, 2026.
This market resolves around Jul 7, 2026, once the event has occurred and the lowest temperature for July 6, 2026 in Las Vegas can be verified against credible public sources. The outcome is determined by the actual recorded low temperature on that date, confirmed through official meteorological data. Traders holding contracts aligned with the verified outcome receive their payout, while those on incorrect ranges lose their stake.
Major shifts in long-range weather forecasts, updates to seasonal climate patterns, or anomalies in atmospheric conditions could significantly move prices in this market. El Niño or La Niña developments, changes in solar activity, or unexpected heat waves or cold snaps in the southwestern United States may prompt traders to reprrice their expectations. As July 2026 approaches, weekly and daily forecasts will become more precise, likely triggering sharp price adjustments as uncertainty narrows and the crowd converges on a narrower range of probable outcomes.