FTNT
Fortinet Inc.Stock · TechnologyNasdaq-100 0.5% · Nasdaq Composite 0.2% · S&P 500 Equal Weight 0.2% · S&P 500 0.1% · Russell 1000 0.1% · US Stock Market 0.1% · Russell 3000 0.1% · MSCI World 0.10% · MSCI ACWI 0.05%$156.07-1.75%
as of market close, Sep 11, 2026
☾ AH — —
Fortinet Inc. monthly returns
Fortinet Inc. has averaged 2.86% per month, positive in 63% of months. Month-by-month returns for Fortinet Inc. (FTNT) below, through September 11, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+2.9%
201 months
Best month
+63.6%
May 2026
Worst month
-25.5%
Jul 2011
Positive months
63%
of all months
Fortinet Inc. monthly returns#
| Month | Path | Total return |
|---|---|---|
| Sep 2026 | -8.7% | |
| Aug 2026 | +5.5% | |
| Jul 2026 | +6.1% | |
| Jun 2026 | +10.6% | |
| May 2026 | +63.6% | |
| Apr 2026 | +3.2% | |
| Mar 2026 | +3.4% | |
| Feb 2026 | -2.7% | |
| Jan 2026 | +2.3% | |
| Dec 2025 | -2.1% | |
| Nov 2025 | -6.1% | |
| Oct 2025 | +2.8% | |
| Sep 2025 | +6.7% | |
| Aug 2025 | -21.2% | |
| Jul 2025 | -5.5% | |
| Jun 2025 | +3.9% | |
| May 2025 | -1.9% | |
| Apr 2025 | +7.8% | |
| Mar 2025 | -10.9% | |
| Feb 2025 | +7.1% | |
| Jan 2025 | +6.8% | |
| Dec 2024 | -0.6% | |
| Nov 2024 | +20.8% | |
| Oct 2024 | +1.4% | |
| Sep 2024 | +1.1% | |
| Aug 2024 | +32.2% | |
| Jul 2024 | -3.7% | |
| Jun 2024 | +1.6% | |
| May 2024 | -6.1% | |
| Apr 2024 | -7.5% | |
| Mar 2024 | -1.2% | |
| Feb 2024 | +7.2% | |
| Jan 2024 | +10.2% | |
| Dec 2023 | +11.4% | |
| Nov 2023 | -8.1% | |
| Oct 2023 | -2.6% | |
| Sep 2023 | -2.5% | |
| Aug 2023 | -22.5% | |
| Jul 2023 | +2.8% | |
| Jun 2023 | +10.6% | |
| May 2023 | +8.4% | |
| Apr 2023 | -5.1% | |
| Mar 2023 | +11.8% | |
| Feb 2023 | +13.6% | |
| Jan 2023 | +7.1% | |
| Dec 2022 | -8.0% | |
| Nov 2022 | -7.0% | |
| Oct 2022 | +16.3% | |
| Sep 2022 | +0.9% | |
| Aug 2022 | -18.4% | |
| Jul 2022 | +5.4% | |
| Jun 2022 | -3.8% | |
| May 2022 | +1.8% | |
| Apr 2022 | -15.4% | |
| Mar 2022 | -0.8% | |
| Feb 2022 | +15.9% | |
| Jan 2022 | -17.3% | |
| Dec 2021 | +8.2% | |
| Nov 2021 | -1.3% | |
| Oct 2021 | +15.2% | |
| Sep 2021 | -7.3% | |
| Aug 2021 | +15.8% | |
| Jul 2021 | +14.3% | |
| Jun 2021 | +9.0% | |
| May 2021 | +7.0% | |
| Apr 2021 | +10.7% | |
| Mar 2021 | +9.2% | |
| Feb 2021 | +16.6% | |
| Jan 2021 | -2.5% | |
| Dec 2020 | +20.5% | |
| Nov 2020 | +11.7% | |
| Oct 2020 | -6.3% | |
| Sep 2020 | -10.8% | |
| Aug 2020 | -4.5% | |
| Jul 2020 | +0.8% | |
| Jun 2020 | -1.4% | |
| May 2020 | +29.2% | |
| Apr 2020 | +6.5% | |
| Mar 2020 | -0.9% | |
| Feb 2020 | -11.5% | |
| Jan 2020 | +8.1% | |
| Dec 2019 | +1.6% | |
| Nov 2019 | +28.9% | |
| Oct 2019 | +6.3% | |
| Sep 2019 | -3.1% | |
| Aug 2019 | -1.4% | |
| Jul 2019 | +4.5% | |
| Jun 2019 | +6.0% | |
| May 2019 | -22.4% | |
| Apr 2019 | +11.3% | |
| Mar 2019 | -3.2% | |
| Feb 2019 | +13.3% | |
| Jan 2019 | +8.7% | |
| Dec 2018 | -4.6% | |
| Nov 2018 | -10.1% | |
| Oct 2018 | -10.9% | |
| Sep 2018 | +10.2% | |
| Aug 2018 | +33.1% | |
| Jul 2018 | +0.8% | |
| Jun 2018 | +2.0% | |
| May 2018 | +10.5% | |
| Apr 2018 | +3.3% | |
| Mar 2018 | +6.2% | |
| Feb 2018 | +9.6% | |
| Jan 2018 | +5.4% | |
| Dec 2017 | +3.9% | |
| Nov 2017 | +6.7% | |
| Oct 2017 | +10.0% | |
| Sep 2017 | -6.2% | |
| Aug 2017 | +3.5% | |
| Jul 2017 | -1.4% | |
| Jun 2017 | -4.8% | |
| May 2017 | +0.9% | |
| Apr 2017 | +1.7% | |
| Mar 2017 | +2.7% | |
| Feb 2017 | +12.3% | |
| Jan 2017 | +10.4% | |
| Dec 2016 | +0.1% | |
| Nov 2016 | -6.1% | |
| Oct 2016 | -13.2% |
Monthly total return (since Oct 2021)#
-60%-40%-20%0%20%40%60%
Oct 2021+15%
Nov 2021-1.3%
Dec 2021+8.2%
Jan 2022-17%2022
Feb 2022+16%
Mar 2022-0.81%
Apr 2022-15%
May 2022+1.8%
Jun 2022-3.8%
Jul 2022+5.4%
Aug 2022-18%
Sep 2022+0.9%
Oct 2022+16%
Nov 2022-7.0%
Dec 2022-8.0%
Jan 2023+7.1%2023
Feb 2023+14%
Mar 2023+12%
Apr 2023-5.1%
May 2023+8.4%
Jun 2023+11%
Jul 2023+2.8%
Aug 2023-23%
Sep 2023-2.5%
Oct 2023-2.6%
Nov 2023-8.1%
Dec 2023+11%
Jan 2024+10%2024
Feb 2024+7.2%
Mar 2024-1.2%
Apr 2024-7.5%
May 2024-6.1%
Jun 2024+1.6%
Jul 2024-3.7%
Aug 2024+32%
Sep 2024+1.1%
Oct 2024+1.4%
Nov 2024+21%
Dec 2024-0.6%
Jan 2025+6.8%2025
Feb 2025+7.1%
Mar 2025-11%
Apr 2025+7.8%
May 2025-1.9%
Jun 2025+3.9%
Jul 2025-5.5%
Aug 2025-21%
Sep 2025+6.7%
Oct 2025+2.8%
Nov 2025-6.1%
Dec 2025-2.1%
Jan 2026+2.3%2026
Feb 2026-2.7%
Mar 2026+3.4%
Apr 2026+3.2%
May 2026+64%
Jun 2026+11%
Jul 2026+6.1%
Aug 2026+5.5%
Sep 2026-8.7%
Methodology#
Monthly returns are total returns (dividends reinvested), computed from FTNT's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
FAQ#
- What is Fortinet Inc.'s average monthly return?
- Fortinet Inc. (FTNT) has averaged about 2.86% per month, positive in roughly 63% of months. The best month was May 2026 (+63.6%) and the worst was Jul 2011 (-25.5%).
More on Fortinet Inc.
By month for: S&P 500 · S&P 500 Equal Weight · US Stock Market · Nasdaq-100