Qualys is trading 4.74% up now at $189.60 as cybersecurity stocks extended gains on September 21 and September 22, 2026, amid AI safety warnings increasing expectations for enterprise security spending.

  • CrowdStrike and Okta each rose about 4%; cybersecurity ETFs and technology benchmarks advanced.
  • No clear Qualys-specific earnings, acquisition, guidance, or analyst catalyst emerged overnight.
  • Qualys gained 3.47% on September 21 and has risen sharply since September 11, suggesting sector momentum rather than a new company event.