Fortinet (FTNT) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET

Updated Oct 15, 2026, 4:00 PM ET

What changed since yesterday

Closed at $181.91, -1.16% vs the prior close of $184.05.
Volume 3.74M shares, 0.9x its 50-day average.
No new SEC filings since the prior session.
No new insider buys or sales reported since the prior session.

FTNT dips 1.2% to $181.91, 4 down days in a row. Closed at $181.91, -1.16% vs the prior close of $184.05. Day range $178.27–$183.07, opened at $180.55.

Last close$181.91-1.16%

Day range178.27–183.07

Open180.55

Volume3.74M

52-week range73.55–197.13

Avg volume (20d)3.76M

FTNT daily analysis — what happened

A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.

Oct 15, 2026 — FTNT dips 1.2% to $181.91, 4 down days in a row

Closed at $181.91, -1.16% vs the prior close of $184.05. Day range $178.27–$183.07, opened at $180.55.
Volume was 3.74M shares, 0.9x its 50-day average of 4.10M.
Price is +7.5% vs its 50-day average ($169.21) and +47.4% vs its 200-day average ($123.43).
52-week range $73.55–$197.13; today's close sits at 88% of that range, 7.7% below the 52-week high.
That makes 4 straight losses.

Oct 14, 2026 — FTNT slides 3.5% to $184.05, 3 down days in a row

Closed at $184.05, -3.52% vs the prior close of $190.76. Day range $183.57–$189.39, opened at $186.76.
Volume was 3.95M shares, 1.0x its 50-day average of 4.15M.
Price is +9.0% vs its 50-day average ($168.86) and +49.7% vs its 200-day average ($122.92).
52-week range $73.55–$197.13; today's close sits at 89% of that range, 6.6% below the 52-week high.
That makes 3 straight losses.

Oct 13, 2026 — FTNT dips 1.1% to $190.76

Closed at $190.76, -1.13% vs the prior close of $192.94. Day range $190.30–$197.13, opened at $191.10.
Volume was 2.78M shares, 0.7x its 50-day average of 4.21M.
Price is +13.2% vs its 50-day average ($168.54) and +55.8% vs its 200-day average ($122.41).
52-week range $73.55–$197.13; today's close sits at 95% of that range, 3.2% below the 52-week high.

Oct 12, 2026 — FTNT dips 0.9% to $192.94

Closed at $192.94, -0.93% vs the prior close of $194.75. Day range $191.51–$196.87, opened at $196.73.
Volume was 2.44M shares, 0.6x its 50-day average of 4.28M — lighter than usual.
Price is +14.9% vs its 50-day average ($167.99) and +58.3% vs its 200-day average ($121.86).
52-week range $73.55–$196.87; today's close sits at 97% of that range, 2.0% below the 52-week high.

Oct 9, 2026 — FTNT rises 3.0% to $194.75, a 52-week high

Closed at $194.75, +2.99% vs the prior close of $189.10. Day range $189.92–$194.95, opened at $191.10.
Volume was 2.07M shares, 0.5x its 50-day average of 4.46M — lighter than usual.
Price is +16.4% vs its 50-day average ($167.37) and +60.6% vs its 200-day average ($121.30).
52-week range $73.55–$194.95; today's close sits at 100% of that range, 0.1% below the 52-week high.

Oct 8, 2026 — FTNT ends flat (-0.1%) to $189.10

Closed at $189.10, -0.10% vs the prior close of $189.28. Day range $187.83–$191.50, opened at $189.95.
Volume was 4.46M shares, 1.0x its 50-day average of 4.62M.
Price is +13.5% vs its 50-day average ($166.56) and +56.6% vs its 200-day average ($120.73).
52-week range $73.55–$192.41; today's close sits at 97% of that range, 1.7% below the 52-week high.

Oct 7, 2026 — FTNT dips 1.0% to $189.28

Closed at $189.28, -1.04% vs the prior close of $191.27. Day range $188.04–$192.23, opened at $191.27.
Volume was 3.86M shares, 0.8x its 50-day average of 4.66M.
Price is +14.1% vs its 50-day average ($165.84) and +57.5% vs its 200-day average ($120.19).
52-week range $73.55–$192.41; today's close sits at 97% of that range, 1.6% below the 52-week high.

Oct 6, 2026 — FTNT jumps 3.9% to $191.27, a 52-week high, 3 up days in a row

Closed at $191.27, +3.88% vs the prior close of $184.13. Day range $186.50–$192.41, opened at $187.51.
Volume was 4.24M shares, 0.9x its 50-day average of 4.67M.
Price is +15.9% vs its 50-day average ($165.06) and +59.9% vs its 200-day average ($119.64).
52-week range $73.55–$192.41; today's close sits at 99% of that range, 0.6% below the 52-week high.
That makes 3 straight gains.

Oct 5, 2026 — FTNT rises 1.8% to $184.13, a 52-week high

Closed at $184.13, +1.76% vs the prior close of $180.95. Day range $179.41–$184.63, opened at $180.13.
Volume was 3.06M shares, 0.7x its 50-day average of 4.67M.
Price is +12.1% vs its 50-day average ($164.28) and +54.6% vs its 200-day average ($119.08).
52-week range $73.55–$184.63; today's close sits at 100% of that range, 0.3% below the 52-week high.

Oct 2, 2026 — FTNT rises 1.2% to $180.95, a 52-week high

Closed at $180.95, +1.25% vs the prior close of $178.72. Day range $180.04–$183.09, opened at $182.09.
Volume was 3.41M shares, 0.7x its 50-day average of 4.69M.
Price is +10.6% vs its 50-day average ($163.65) and +52.6% vs its 200-day average ($118.57).
52-week range $73.55–$183.09; today's close sits at 98% of that range, 1.2% below the 52-week high.

FTNT latest news & SEC filings

Every SEC filing by or about FTNT in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.

Oct 1, 2026 · 4 — Insider trade report (Form 4)