CrowdStrike and Fortinet entered October with stock gains far ahead of broad technology benchmarks. The source article measured CrowdStrike up 124% and Fortinet up 142% in 2026 through October 12, compared with a 52% gain for the CIBR cybersecurity ETF.
Strong business results support part of that rerating. CrowdStrike reported fiscal second-quarter 2027 revenue of $1.47 billion, up 26%, and annual recurring revenue of $5.84 billion, up 25%. Net new ARR reached $332.8 million, rising 51% from a year earlier.
CrowdStrike's bar is rising
Management raised its full-year net-new-ARR growth outlook, signaling confidence in demand. The platform spans endpoint, cloud, identity and security operations, which can increase customer spending without requiring a separate vendor for every tool.
The risk is that a high valuation requires repeated beats. CrowdStrike must sustain net retention, new-module adoption and free cash flow while managing competition and the continuing legal and customer risks associated with the July 2024 incident.
Fortinet offers a different model
Fortinet combines security software with proprietary appliances and networking products. That can support integrated deployments and strong margins, but hardware cycles and inventory affect the timing of revenue. Fortinet had not yet reported third-quarter 2026 results when this article was prepared; the company scheduled that release for October 28.
The stocks are not interchangeable even though both benefit from cybersecurity spending. CrowdStrike is more purely subscription-led, while Fortinet's hardware and secure-networking mix creates different drivers.
Triple-digit gains do not by themselves mean investors should sell. They do mean the next earnings reports carry more downside if growth or guidance disappoints. For CrowdStrike, ARR and cash flow are the key checks. For Fortinet, billings, product demand and service growth will show whether the rally is supported by operating momentum.