
The Exchange uses two NWS products for its Underlying: (1) the Daily Climate Reports for Weather Forecast Offices located in California and (2) any location within California included in an NWS Post-Storm Hurricane Report.
The market will expire on the first 10:00 AM ET following the release of official data at the Underlying confirming the event has occurred. Otherwise, the market will expire on the sooner of the the first 10:00 AM ET following the release of data for November 30, 2023, or one week after November 30, 2023.