Fortinet (FRA:FO8) Cyclically Adjusted PS Ratio: 32.68 (As of Jul. 21, 2026) — 66% Above Median

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FRA:FO8 Fortinet Inc FRA:FO8
88 GF Score
Price €142.48
GF Value €84.85
Valuation Significantly Overvalued
! 5 Warning Signs
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What is Fortinet Cyclically Adjusted PS Ratio?

Fortinet FRA:FO8 +0.98% 88 Cyclically Adjusted PS Ratio is 32.68 as of Jul. 21, 2026, which is 66% above its 10-year median of 19.68. GuruFocus rates FRA:FO8 with a GF Score™ of 88/100 and a GF Value™ of €84.85 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,592 Software companies, Fortinet ranks worse than 98.56% on this metric.

As of today (2026-07-21), Fortinet's current share price is €142.48. Fortinet's Cyclically Adjusted Revenue per Share for the quarter that ended in Mar. 2026 was €4.36. Fortinet's Cyclically Adjusted PS Ratio for today is 32.68.

The historical rank and industry rank for Fortinet's Cyclically Adjusted PS Ratio or its related term are showing as below:

FRA:FO8' s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 11.44   Med: 19.68   Max: 37.13
Current: 31.3

During the past years, Fortinet's highest Cyclically Adjusted PS Ratio was 37.13. The lowest was 11.44. And the median was 19.68.

FRA:FO8's Cyclically Adjusted PS Ratio is ranked worse than
98.56% of 1592 companies
in the Software industry
Industry Median: 1.63 vs FRA:FO8: 31.30

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PS Ratio. The Cyclically Adjusted Revenue per Share is the average of the inflation adjusted revenue per share of a company over the past 10 years.

Fortinet's adjusted revenue per share data for the three months ended in Mar. 2026 was €2.154. Add all the adjusted revenue per share for the past 10 years together and divide 10 will get our Cyclically Adjusted Revenue per Share, which is €4.36 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Fortinet  (FRA:FO8) Cyclically Adjusted PS Ratio Explanation

Compared with the regular PS Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PS Ratio smoothed out the fluctuations of revenue during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PS Ratio should give similar results to regular PS Ratio.


Fortinet Cyclically Adjusted PS Ratio Related Terms


Fortinet Cyclically Adjusted PS Ratio Historical Data

* Premium members only.

The historical data trend for Fortinet's Cyclically Adjusted PS Ratio can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Fortinet Cyclically Adjusted PS Ratio Chart

Fortinet Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PS Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 35.83 18.76 17.88 23.49 16.32

Fortinet Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PS Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 22.70 23.75 18.01 16.32 15.83

FRA:FO8 vs SNPS, NET, CRWV: Cyclically Adjusted PS Ratio Comparison

For the Software - Infrastructure subindustry, Fortinet's Cyclically Adjusted PS Ratio, along with its competitors' market caps and Cyclically Adjusted PS Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Fortinet Cyclically Adjusted PS Ratio vs Software Industry

For the Software industry and Technology sector, Fortinet's Cyclically Adjusted PS Ratio distribution charts can be found below:

* The bar in red indicates where Fortinet's Cyclically Adjusted PS Ratio falls into.


FRA:FO8
88GF Score
Fortinet Inc FRA:FO8
Cyclically Adjusted PS Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Fortinet Cyclically Adjusted PS Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PS Ratio takes the Revenue per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/S calculation. Because it considers this 10-year average, it's often referred to as the CAPS Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PS Ratio.

Fortinet's Cyclically Adjusted PS Ratio for today is calculated as

Cyclically Adjusted PS Ratio=Share Price/ Cyclically Adjusted Revenue per Share
=142.48/4.36
=32.68

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Fortinet's Cyclically Adjusted Revenue per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Fortinet's adjusted Revenue per Share data for the three months ended in Mar. 2026 was:

Adj_RevenuePerShare=Revenue per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=2.154/330.2130*330.2130
=2.154

Current CPI (Mar. 2026) = 330.2130.

Fortinet Quarterly Data

Revenue per Share CPI Adj_RevenuePerShare
201606 0.322 241.018 0.441
201609 0.317 241.428 0.434
201612 0.388 241.432 0.531
201703 0.357 243.801 0.484
201706 0.360 244.955 0.485
201709 0.351 246.819 0.470
201712 0.401 246.524 0.537
201803 0.377 249.554 0.499
201806 0.435 251.989 0.570
201809 0.443 252.439 0.579
201812 0.511 251.233 0.672
201903 0.479 254.202 0.622
201906 0.527 256.143 0.679
201909 0.569 256.759 0.732
201912 0.635 256.974 0.816
202003 0.600 258.115 0.768
202006 0.663 257.797 0.849
202009 0.668 260.280 0.847
202012 0.743 260.474 0.942
202103 0.717 264.877 0.894
202106 0.796 271.696 0.967
202109 0.879 274.310 1.058
202112 1.021 278.802 1.209
202203 1.056 287.504 1.213
202206 1.203 296.311 1.341
202209 1.454 296.808 1.618
202212 1.530 296.797 1.702
202303 1.486 301.836 1.626
202306 1.499 305.109 1.622
202309 1.581 307.789 1.696
202312 1.680 306.746 1.809
202403 1.616 312.332 1.709
202406 1.731 314.175 1.819
202409 1.760 315.301 1.843
202412 2.045 315.605 2.140
202503 1.833 319.799 1.893
202506 1.829 322.561 1.872
202509 1.931 324.800 1.963
202512 2.176 324.054 2.217
202603 2.154 330.213 2.154

Add all the adjusted revenue per share together and divide 10 will get our Cyclically Adjusted Revenue per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PS Ratio of 32.68 mean?
Fortinet (FRA:FO8) has a Cyclically Adjusted PS Ratio of 32.68 as of Jul. 21, 2026. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Fortinet and its competitors. This is 66% above median its historical median of 19.68. Over the past decade, Fortinet's Cyclically Adjusted PS Ratio has ranged from 11.44 to 37.13. According to the industry distribution chart, Fortinet ranks #1569 out of 1592 companies in the Software industry, placing it in the top 98.6%.
Is Fortinet's Cyclically Adjusted PS Ratio too high?
Fortinet's current Cyclically Adjusted PS Ratio of 32.68 is 66% above median its 10-year median of 19.68. Over the past 10 years, this metric has ranged from a low of 11.44 to a high of 37.13. The Software industry median Cyclically Adjusted PS Ratio is 1.63. Fortinet's value of 32.68 is 1904.9% above this industry median. Based on the distribution chart, Fortinet ranks #1569 out of 1592 companies in the Software industry, which is in the bottom quartile relative to peers. Overall, Fortinet has a GF Score™ of 88/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Fortinet's Cyclically Adjusted PS Ratio compare to SNPS and NET?
According to the Software industry distribution chart, Fortinet ranks #1569 out of 1592 companies for Cyclically Adjusted PS Ratio. This places Fortinet in the lower half of its industry. The industry median Cyclically Adjusted PS Ratio is 1.63. Fortinet's value of 32.68 is 1904.9% above this benchmark. Historically, Fortinet's own Cyclically Adjusted PS Ratio has ranged from 11.44 to 37.13 over the past decade. While the company's 10-year median is 19.68 vs. the industry median of 1.63, Fortinet has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PS Ratio for a Software company?
The median Cyclically Adjusted PS Ratio among Software companies is 1.63, based on 1,592 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PS Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PS Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Fortinet's current Cyclically Adjusted PS Ratio of 32.68 is 1904.9% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PS Ratio mean?
A high Cyclically Adjusted PS Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Fortinet and its competitors. For the Software industry, the median Cyclically Adjusted PS Ratio is 1.63 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Fortinet's current Cyclically Adjusted PS Ratio is 32.68, which is 66% above median its own 10-year median of 19.68. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Fortinet stock overvalued right now?
Based on GuruFocus' analysis, Fortinet (FRA:FO8) is currently considered Significantly Overvalued. The stock's GF Value™ is €84.85, compared to a current price of €142.48 — trading 67.9% above its estimated fair value. The current Cyclically Adjusted PS Ratio is 32.68, which is 66% above median its 10-year median of 19.68 and 1904.9% above the Software industry median of 1.63. Fortinet's overall GF Score™ is 88/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PS Ratio calculated?
Cyclically Adjusted PS Ratio is calculated from a company's financial statements. For Fortinet (FRA:FO8), the current Cyclically Adjusted PS Ratio is 32.68 as of Jul. 21, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Fortinet (FRA:FO8) Overvalued in 2026?

Based on GuruFocus' analysis, Fortinet stock appears to be overvalued. The current stock price of €142.48 is trading 67.9% above its estimated GF Value™ of €84.85. GuruFocus considers Fortinet to be Significantly Overvalued.

Key valuation signals for FRA:FO8:

  • Cyclically Adjusted PS Ratio: 32.68 (66% above median its 10-year median of 19.68)
  • GF Value™: €84.85 vs. price of €142.48 (67.9% above fair value)
  • GF Score™: 88/100 with 5 warning signs
  • Industry Position: 1904.9% above the Software median (#1569 of 1592)

No single metric tells the full story. See the FRA:FO8 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Fortinet Business Description

Address 909 Kifer Road, Sunnyvale, CA, USA, 94086
Fortinet is a platform-based cybersecurity vendor with product offerings covering network security, cloud security, zero-trust access, and security operations. The firm derives a majority of its revenue through sales of its subscriptions and support-based business. The California-based firm has more than 800,000 customers across the world.
88GF Score

Get the complete analysis for FRA:FO8

Cyclically Adjusted PS Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€142.48
Price
€84.85
GF Value