Ouster is trading at $42.66, down 4.26% on October 5, 2026; no clear company-specific catalyst was identified. - Ouster’s latest listed release was its October 1 partnership with Seneca for autonomous wildfire-response drones, which does not directly explain the decline. - The Nasdaq is up 0.63%, while the Dow is down 0.53%; neither establishes a clear broad-market explanation. - No reliable current volume or activity data was found.