Qualys, Inc. (QLYS:NASDAQ) closed at $225.15 on October 26, 2026, up 3.90% on the day. The stock trades 0.6% below its 52-week high of $226.51 and 202.2% above its 52-week low of $74.51. Over the past year, it gained 78.6%. Qualys, Inc. is part of the Technology sector (Computer Software: Prepackaged Software).
In 252 trading sessions since October 24, 2025, QLYS closed higher on 129 days (51%). Its best day was November 5, 2025 (+20.56%) and its worst was February 6, 2026 (-13.31%). The stock moved 10% or more in a single session 6 times. It opened at least 5% above the previous day's high 2 times.
Qualys, Inc. provides cloud-based security and compliance solutions in the United States and internationally. The company offers Qualys Cloud Suite, which includes Vulnerability Management, Continuous Monitoring, Cloud Agent, AssetView, ThreatPROTECT, Policy Compliance, PCI Compliance, Security Assessment Questionnaire, Web Application Scanning, and Web Application Firewall. Its integrated suite of security and compliance solutions delivered on its Qualys Cloud Platform enables customers to identify their IT assets, collect and analyze IT security data, discover and prioritize vulnerabilities, recommend remediation actions, and verify the implementation of such actions. The company also provides core services, including asset tagging and management, reporting and dashboards, questionnaires and collaboration, remediation and workflow, big data correlation and analytics engine, and alerts and notifications, which enable integrated workflows, management and real-time analysis, and reporting across IT security and compliance solutions. In addition, it offers cloud infrastructure services that include the data, data processing capabilities, software and hardware infrastructure, and infr...
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