2026-10-30Neutral
-24.40%weekly changeQ3 services growth slowed to 13% against 37% for products, and a trimmed service revenue forecast drove the sell-off.
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S&P 500
FTNT
Fortinet
latest move
-24.40%
2026-10-30
7 sessions · 2026-08-27 → 2026-10-30 · avg 12.50% · largest 24.40%
Fortinet is a cybersecurity company in the Software - Infrastructure industry. Its products include the FortiOS operating system, FortiASIC security processors, FortiCloud SaaS, FortiAI, FortiEndpoint and OT Security.
Price history
stitched from the price window carried by each report
Every session it moved
newest first2026-10-29Neutral
-20.09%24 hours changeFortinet cut full-year service revenue guidance to $5.15bn to $5.17bn from $5.18bn to $5.22bn and the stock fell 20.09%.
read the report →2026-10-28Neutral
-5.90%24 hours changeQ3 revenue growth slowed to 20% from 26% and the service revenue forecast was cut, sending shares down sharply after hours.
read the report →2026-10-16Neutral
-7.03%24 hours changeSector selloff after a Palo Alto PAN-OS zero-day pulled FTNT down 7.03% to $169.13 on 16 October, with no Fortinet news.
read the report →2026-09-14Bullish
+9.04%24 hours changeShares surged due to a cybersecurity sector rotation sparked by Wall Street research highlighting demand for agentic AI security.
read the report →2026-08-31Bullish
+11.35%weekly changeThe stock surged following CrowdStrike's blowout earnings report and Fortinet Federal achieving CMMC Level 2 certification.
read the report →2026-08-27Neutral
+9.67%24 hours changeFortinet shares surged due to strong Q2 earnings from peer CrowdStrike, along with achieving U.S. DoD CMMC Level 2 certification.
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