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: Jun 16, 3:00 AM EST
Kalshi
This event tracks the lowest temperature recorded in Denver on June 15, 2026. The outcome will be determined by the official National Weather Service daily climatological report for Denver, which measures the minimum temperature reached during that calendar day.
Resolution is based on the minimum temperature recorded at Denver on June 15, 2026, as reported in the National Weather Service's Climatological Report (Daily). The official data source is accessed via the NWS Boulder office website under the Observed Weather section for Denver with Daily Climate Report selected. Temperature readings are divided into six consecutive ranges: 45°F or below, 46-47°F, 48-49°F, 50-51°F, 52-53°F, and 54°F or above. Each range corresponds to a separate market outcome that resolves to Yes if the recorded minimum temperature falls within that range. 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, superseding other weather services.
Prediction market odds often diverge from traditional weather forecasts because they reflect real-money incentives and crowd intelligence rather than single-model outputs. While meteorologists issue probabilistic forecasts based on atmospheric data and historical patterns, this market aggregates the beliefs of many traders betting on actual outcomes. Analyst forecasts tend to be more conservative and model-driven, whereas prediction markets can price in tail risks and incorporate late-breaking information. Over time, markets have proven competitive with or superior to expert predictions on weather events, particularly when traders have access to recent data and strong incentives for accuracy.
On Kalshi, this market is priced through a continuous 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. Each outcome has a bid-ask spread, and the midpoint reflects the market's consensus probability. Traders can place limit or market orders to enter or exit positions, and prices adjust in real time based on supply and demand. The platform displays the implied probability for each temperature range, allowing participants to quickly assess whether they believe the market is overpricing or underpricing a particular scenario.
This market resolves around Jun 16, 2026, after June 15, 2026 concludes and the lowest temperature for that day is finalized. The outcome is confirmed once the event is verifiable from credible public reporting. Traders' positions settle based on which temperature range the actual low falls into, with payouts distributed according to the outcome that occurred. Resolution typically happens within hours of the market close, once official data is available and verified.
Several factors could shift odds in this market before resolution. Seasonal weather pattern updates, changes to long-range forecasts, and shifts in atmospheric conditions weeks or months ahead can influence trader positioning. Major weather systems developing in late spring 2026 would likely trigger sharp repricing. Climate anomalies, El Niño or La Niña transitions, and historical precedent for June temperatures in Denver all inform trader decisions. As the event date approaches, short-range forecasts become more reliable, often causing the market to converge toward meteorological consensus. Real-time forecast updates in the days leading up to June 15 typically drive the most volatile price action.