Traders' 73% implied probability favoring "No" on a major solar storm—defined as a G4 or G5 geomagnetic event—by April 30 stems from NOAA Space Weather Prediction Center's latest forecasts showing quiet conditions and low near-term risks amid solar cycle 25's ascent toward maximum in mid-2025. Current geomagnetic activity remains at G1 levels or below, with recent X-class flares from active regions like AR3697 producing minor radio blackouts but few Earth-directed coronal mass ejections capable of major impacts. Historical precedents indicate G4+ storms occur roughly once per solar cycle phase, even at peak, supporting trader consensus despite rising sunspot numbers; watch SWPC's 27-day outlooks for shifts.
Experimental AI-generated summary referencing Polymarket data · UpdatedMajor solar storm by April 30?
Major solar storm by April 30?
$10,641 Vol.
$10,641 Vol.
$10,641 Vol.
$10,641 Vol.
An S3 event is a solar radiation storm with a "Strong" classification. 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".
Market Opened: Mar 16, 2026, 5:41 PM ET
Resolver
0x65070BE91...An S3 event is a solar radiation storm with a "Strong" classification. 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".
Resolver
0x65070BE91...Traders' 73% implied probability favoring "No" on a major solar storm—defined as a G4 or G5 geomagnetic event—by April 30 stems from NOAA Space Weather Prediction Center's latest forecasts showing quiet conditions and low near-term risks amid solar cycle 25's ascent toward maximum in mid-2025. Current geomagnetic activity remains at G1 levels or below, with recent X-class flares from active regions like AR3697 producing minor radio blackouts but few Earth-directed coronal mass ejections capable of major impacts. Historical precedents indicate G4+ storms occur roughly once per solar cycle phase, even at peak, supporting trader consensus despite rising sunspot numbers; watch SWPC's 27-day outlooks for shifts.
Experimental AI-generated summary referencing Polymarket data · Updated



Beware of external links.
Beware of external links.
Frequently Asked Questions