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: Jun 28, 2:59 AM EST
Kalshi
This event tracks the highest temperature recorded in Denver, Colorado on June 27, 2026. The outcome will be determined by the official National Weather Service Climatological Report (Daily) for that date, with results divided into six temperature ranges.
Resolution is based on the highest temperature recorded in Denver, Colorado on June 27, 2026, as reported in the National Weather Service's Climatological Report (Daily). The temperature reading determines which outcome resolves affirmatively: 89°F or below, 90–91°F, 92–93°F, 94–95°F, 96–97°F, or 98°F and above. The official NWS Climatological Report (Daily) serves as the authoritative source; preliminary NWS data and alternative weather services are not used for final resolution. Traders should be aware that preliminary NWS reporting and measurement methods may involve rounding and conversion nuances that could affect interpretation of borderline readings.
Prediction market odds reflect real-money trader bets and often diverge from traditional weather analyst forecasts because markets incorporate a broader range of information and incentivize accuracy through financial stakes. While meteorologists publish deterministic forecasts based on models and historical patterns, this market aggregates the collective judgment of traders who profit only if their probability estimates prove correct. Comparing the two can reveal where professional consensus and market-implied odds align or diverge, offering insight into which forecasting method the trading community finds more reliable for this specific date and location.
On Kalshi, this market is priced through a continuous order book 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 share's price reflects the market's implied probability of that outcome occurring. Traders submit limit and market orders, and the spread between bid and ask prices tightens as liquidity increases. The platform's matching engine executes trades in real time, so prices update instantly as new information arrives or trader sentiment shifts.
This market resolves around Jun 28, 2026, after June 27, 2026 has passed and the day's weather data is finalized. The outcome is confirmed once the highest temperature recorded in Denver that day is verified against credible public sources. Traders who correctly predicted the temperature range win their shares at full value, while incorrect positions expire worthless. The resolution process is automated once the data becomes available, ensuring all positions settle fairly and transparently.
Major weather pattern shifts, updated seasonal climate forecasts, and historical temperature anomalies for late June in Denver can all shift market odds significantly. El Niño or La Niña developments, changes in solar activity predictions, and long-range model updates from the National Weather Service typically trigger repricing. Additionally, unexpected atmospheric events—such as high-altitude jet stream positioning or sudden pressure system changes—can cause sharp moves as traders reassess probabilities. Real-time monitoring of meteorological bulletins and climate indices will help you anticipate when this market may experience volatility.