F5 (LTS:0IL6) Cyclically Adjusted PB Ratio: 9.22 (As of Aug. 05, 2026) — 24% Above Median

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LTS:0IL6 F5 Inc LTS:0IL6
80 GF Score
Price $414.55
GF Value $295.25
Valuation Significantly Overvalued
! 5 Warning Signs
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What is F5 Cyclically Adjusted PB Ratio?

F5 LTS:0IL6 +2.45% 80 Cyclically Adjusted PB Ratio is 9.22 as of Aug. 05, 2026, which is 24% above its 10-year median of 7.43. GuruFocus rates LTS:0IL6 with a GF Score™ of 80/100 and a GF Value™ of $295.25 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,568 Software companies, F5 ranks worse than 89.09% on this metric.

As of today (2026-08-05), F5's current share price is $414.5505. F5's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was $44.98. F5's Cyclically Adjusted PB Ratio for today is 9.22.

The historical rank and industry rank for F5's Cyclically Adjusted PB Ratio or its related term are showing as below:

LTS:0IL6' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 4.34   Med: 7.43   Max: 11.43
Current: 9.14

During the past years, F5's highest Cyclically Adjusted PB Ratio was 11.43. The lowest was 4.34. And the median was 7.43.

LTS:0IL6's Cyclically Adjusted PB Ratio is ranked worse than
89.09% of 1568 companies
in the Software industry
Industry Median: 2.23 vs LTS:0IL6: 9.14

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 PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

F5's adjusted book value per share data for the three months ended in Jun. 2026 was $67.851. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $44.98 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


F5  (LTS:0IL6) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value 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 PB Ratio should give similar results to regular PB Ratio.


F5 Cyclically Adjusted PB Ratio Related Terms


F5 Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for F5's Cyclically Adjusted PB 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.

F5 Cyclically Adjusted PB Ratio Chart

F5 Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 7.92 4.96 4.98 6.15 8.03

F5 Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Cyclically Adjusted PB 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 7.53 8.03 6.21 6.75 9.36

LTS:0IL6 vs ZS, MDB, OKTA: Cyclically Adjusted PB Ratio Comparison

For the Software - Infrastructure subindustry, F5's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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.


F5 Cyclically Adjusted PB Ratio vs Software Industry

For the Software industry and Technology sector, F5's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where F5's Cyclically Adjusted PB Ratio falls into.


LTS:0IL6
80GF Score
F5 Inc LTS:0IL6
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

F5 Cyclically Adjusted PB Ratio Calculation

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

F5's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=414.5505/44.98
=9.22

* 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.

F5's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, F5's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=67.851/333.9520*333.9520
=67.851

Current CPI (Jun. 2026) = 333.9520.

F5 Quarterly Data

Book Value per Share CPI Adj_Book
201609 18.147 241.428 25.102
201612 18.445 241.432 25.513
201703 18.477 243.801 25.309
201706 18.957 244.955 25.844
201709 19.641 246.819 26.575
201712 19.843 246.524 26.880
201803 20.071 249.554 26.859
201806 20.816 251.989 27.587
201809 21.348 252.439 28.241
201812 23.464 251.233 31.190
201903 24.582 254.202 32.294
201906 27.005 256.143 35.208
201909 29.180 256.759 37.953
201912 31.733 256.974 41.239
202003 32.958 258.115 42.641
202006 35.215 257.797 45.618
202009 36.535 260.280 46.876
202012 38.967 260.474 49.959
202103 33.435 264.877 42.154
202106 36.355 271.696 44.685
202109 38.914 274.310 47.375
202112 39.620 278.802 47.457
202203 39.645 287.504 46.050
202206 39.005 296.311 43.960
202209 41.246 296.808 46.408
202212 42.955 296.797 48.332
202303 45.077 301.836 49.873
202306 44.818 305.109 49.055
202309 47.296 307.789 51.316
202312 48.659 306.746 52.975
202403 50.048 312.332 53.512
202406 51.656 314.175 54.908
202409 53.867 315.301 57.053
202412 55.662 315.605 58.898
202503 57.219 319.799 59.751
202506 59.994 322.561 62.113
202509 62.270 324.800 64.025
202512 62.198 324.054 64.098
202603 64.306 330.213 65.034
202606 67.851 333.952 67.851

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book 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 PB Ratio of 9.22 mean?
F5 (LTS:0IL6) has a Cyclically Adjusted PB Ratio of 9.22 as of Aug. 05, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on F5 and its competitors. This is 24% above median its historical median of 7.43. Over the past decade, F5's Cyclically Adjusted PB Ratio has ranged from 4.34 to 11.43. According to the industry distribution chart, F5 ranks #1397 out of 1568 companies in the Software industry, placing it in the top 89.1%.
Is F5's Cyclically Adjusted PB Ratio too high?
F5's current Cyclically Adjusted PB Ratio of 9.22 is 24% above median its 10-year median of 7.43. Over the past 10 years, this metric has ranged from a low of 4.34 to a high of 11.43. The Software industry median Cyclically Adjusted PB Ratio is 2.23. F5's value of 9.22 is 313.5% above this industry median. Based on the distribution chart, F5 ranks #1397 out of 1568 companies in the Software industry, which is in the bottom quartile relative to peers. Overall, F5 has a GF Score™ of 80/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does F5's Cyclically Adjusted PB Ratio compare to ZS and MDB?
According to the Software industry distribution chart, F5 ranks #1397 out of 1568 companies for Cyclically Adjusted PB Ratio. This places F5 in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.23. F5's value of 9.22 is 313.5% above this benchmark. Historically, F5's own Cyclically Adjusted PB Ratio has ranged from 4.34 to 11.43 over the past decade. While the company's 10-year median is 7.43 vs. the industry median of 2.23, F5 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 PB Ratio for a Software company?
The median Cyclically Adjusted PB Ratio among Software companies is 2.23, based on 1,568 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. F5's current Cyclically Adjusted PB Ratio of 9.22 is 313.5% 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 PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on F5 and its competitors. For the Software industry, the median Cyclically Adjusted PB Ratio is 2.23 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. F5's current Cyclically Adjusted PB Ratio is 9.22, which is 24% above median its own 10-year median of 7.43. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is F5 stock overvalued right now?
Based on GuruFocus' analysis, F5 (LTS:0IL6) is currently considered Significantly Overvalued. The stock's GF Value™ is $295.25, compared to a current price of $414.55 — trading 40.4% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 9.22, which is 24% above median its 10-year median of 7.43 and 313.5% above the Software industry median of 2.23. F5's overall GF Score™ is 80/100 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 PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For F5 (LTS:0IL6), the current Cyclically Adjusted PB Ratio is 9.22 as of Aug. 05, 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 F5 (LTS:0IL6) Overvalued in 2026?

Based on GuruFocus' analysis, F5 stock appears to be overvalued. The current stock price of $414.55 is trading 40.4% above its estimated GF Value™ of $295.25. GuruFocus considers F5 to be Significantly Overvalued.

Key valuation signals for LTS:0IL6:

  • Cyclically Adjusted PB Ratio: 9.22 (24% above median its 10-year median of 7.43)
  • GF Value™: $295.25 vs. price of $414.55 (40.4% above fair value)
  • GF Score™: 80/100 with 5 warning signs
  • Industry Position: 313.5% above the Software median (#1397 of 1568)

No single metric tells the full story. See the LTS:0IL6 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


F5 Business Description

Address 801 5th Avenue, Seattle, WA, USA, 98104
F5 is a market leader in the application delivery controller market. The company sells products for security, application performance, and automation. Its three customer verticals are enterprises, service providers, and government entities. Revenue is evenly split between its services business and products business with revenue trending toward products due to software adoption. The Seattle-based firm was incorporated in 1996, and went public in 1999.
80GF Score

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

$414.55
Price
$295.25
GF Value