This market will resolve to "Yes" if a geomagnetic storm, solar radiation storm, or radio blackout with a severity level of 3 or greater occurs between March 29, 2026, 12:00AM ET and April 4, 2026, 11:59PM ET. Otherwise, this market will resolve to "No".

A G3 event is a geomagnetic storm with a classification indicating "Strong". An S3 event is a solar radiation storm with a "Strong" classification. An R3 event is a radio blackout event with a classification indicating "Strong". More information on the space weather classification criteria can be found here: https://www.swpc.noaa.gov/noaa-scales-explanation

This market will resolve immediately upon the occurrence of a qualifying event. Any later revisions or corrections will not be considered.

This market will resolve based on information from the National Oceanic and Atmospheric Administration's Space Weather Prediction Center under the heading marked "Current Space Weather Conditions". (https://www.swpc.noaa.gov/products/alerts-watches-and-warnings#)

If the resolution source becomes permanently unavailable, this market will resolve to "No".