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 12, 2:59 AM EST
Kalshi
This event tracks the highest temperature recorded in Denver, Colorado on July 11, 2026. The outcome will be determined by the official National Weather Service Climatological Report (Daily) for that date, with temperature ranges spanning from 90°F or below up to 99°F or above.
Resolution is based on the highest temperature recorded in Denver, Colorado on July 11, 2026, as reported in the National Weather Service's Climatological Report (Daily). The temperature reading determines which outcome resolves affirmatively: 90°F or below, 91–92°F, 93–94°F, 95–96°F, 97–98°F, or 99°F or above. The NWS Climatological Report (Daily) is the sole authoritative source; preliminary NWS data and third-party weather services such as AccuWeather or Google Weather may differ due to rounding and conversion nuances and should not be used as the final reference. Traders should exercise caution when interpreting preliminary data.
Prediction market odds often diverge from traditional weather forecasts because they incorporate real-time trader conviction and incentivize accuracy through financial stakes. While meteorologists publish seasonal outlooks and historical climate patterns, this market aggregates the collective judgment of traders betting on the actual outcome. Prediction markets tend to update faster than official forecasts when new data arrives, and they can reveal tail-risk scenarios that analysts downplay. Comparing the implied probabilities here to published forecasts from the National Weather Service or climate models can highlight where market participants see different risks.
On Kalshi, this market is priced through a continuous order-book mechanism where traders buy and sell shares 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 market price reflects the collective willingness to bet on that outcome occurring. Traders can place limit or market orders, and prices update in real time as new trades execute. The bid-ask spread tightens as volume increases, making it easier to enter or exit positions near fair value.
This market resolves around Jul 12, 2026, after July 11, 2026 concludes. The outcome is determined by the highest temperature recorded in Denver on that date and verified against credible public sources. Once the event is confirmed, this market settles based on the verified temperature reading, and traders' positions are paid out according to the outcome.
Major weather pattern shifts, seasonal climate anomalies, and updated long-range forecasts from meteorological agencies can all move prices significantly. El Niño or La Niña conditions, jet stream positioning, and historical heat-wave patterns for early July in Colorado will influence trader expectations. Real-time atmospheric data releases, changes in solar activity forecasts, and shifts in climate models can trigger sharp repricing. As July 2026 approaches, near-term weather models become more reliable, typically causing the market to converge toward meteorological consensus. Unusual heat events in neighboring regions or early summer heat waves may also signal changing conditions.