If the highest temperature recorded in Denver, CO for September 13, 2025 as reported by the National Weather Service's Climatological Report (Daily), is between 77-78°, then the market resolves to Yes.

Not all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.

Series KXHIGHDEN-25SEP13 Event KXHIGHDEN-25SEP13 Market KXHIGHDEN-25SEP13-B77.5