Security Matters is trading 60.56% up at $17.63 in after-hours trading amid crypto-market strength.
- It closed September 21, 2026 at $10.98, reversing a 35.45% regular-session decline.
- Bitcoin rose 7.54% over 24 hours and Ethereum gained 6.34%, providing a favorable backdrop for crypto-related equities.
- No verified company-specific announcement or earnings release was identified; recent coverage centers on the earlier Digital Material Passport platform launch, leaving the rebound only partly explained.