Firefly Aerospace is trading at $17.06 (+4.60%) at 9:44 a.m. EST on October 21, 2026, amid a broader space-stock rally following SpaceX’s strong results.

  • MarketWatch reported Firefly gained 4.2% to $16.99 in premarket trading amid the rally.
  • Firefly announced completion of Elytra’s preliminary design review for NASA’s MoonFall mission, advancing the spacecraft toward detailed design and hardware production.