Fortinet Inc., US34959E1091

Fortinet stock closes lower at the bell on September 22

Published on 09/22/2026 at 23:15 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

At the close on September 22, 2026, Fortinet stock ended below the prior session's USD 175.23 close after trading as high as USD 177.25. Nasdaq technology shares also gained during the session.

Architekturvisualisierung eines modernen Technologiecampus mit Glasfassaden und Landschaftspark
Fortinet Inc. moderner Glasfassaden Campus als architektonisches Render mit Landschaft für ISIN US34959E1091, Illustration mit AI erstellt.

Fortinet stock closed at a price below the prior session's USD 175.23 on Nasdaq on September 22, 2026, after Tuesday trading reached USD 177.25. Fortinet Inc. (ISIN US34959E1091, Nasdaq: FTNT) therefore finished below its September 22 intraday high, while the Nasdaq Composite gained 0.38 percent to 27,225.39.

September 22, 2026 in numbers

The stock's session high was USD 177.25, compared with the previous close of USD 175.23. The closing level reported for the preceding session was USD 172.78 on September 21, 2026, when Fortinet rose roughly 3 percent, according to Zacks.

Fortinet had reached a fresh 52-week high of USD 175.23 on September 21, 2026, before the later session moved above that level. The Nasdaq Composite's 0.38 percent gain provided a positive technology-market comparison for the September 22 session.

After the bell today

Fortinet's next trading session follows on September 23, 2026. The available event calendar identifies after-the-bell results for Aytu BioPharma and KB Home on September 22, 2026, rather than Fortinet, according to Seeking Alpha.

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