Question 1

What is F5's P/B ratio?

Accepted Answer

F5 (FFIV) P/B ratio is 6.2× as of June 5, 2026. The ratio is calculated by dividing market capitalisation by book value of equity, using USD-normalised financials (IAS 21 exchange-rate translation for non-USD reporters).

Question 2

How is the P/B ratio calculated?

Accepted Answer

P/B = Market Capitalisation ÷ Book Value of Equity (most recent quarterly shareholders' equity), or equivalently Share Price ÷ Book Value Per Share. All inputs are sourced from audited GAAP/IFRS filings and translated to USD using period-end exchange rates so the multiple is comparable across companies and currencies.

Question 3

What is the P/B ratio?

Accepted Answer

The price-to-book (P/B) ratio compares a company's market capitalisation to its book value of equity (total shareholders' equity) on the most recent quarterly balance sheet. It is calculated as market cap ÷ book value of equity (equivalent to share price ÷ book value per share). A P/B below 1× implies the market values the business below its accounting net worth; values well above 1× reflect intangible assets, brand value, or a high return on equity.

Question 4

What is a good P/B ratio for F5?

Accepted Answer

A "good" P/B depends on the business model. Banks, insurers, and other capital-heavy financials typically trade near 1×; asset-light technology and consumer-brand companies can sustainably trade at 5×+ because much of their value is intangible. P/B is most informative when paired with return on equity (ROE). For F5 specifically, the relevant sector benchmark is the current sector median of 6.0×.

Question 5

Is F5's P/B ratio high or low?

Accepted Answer

F5's P/B ratio of 6.2× is above its own 5-year average of 4.3× and above the sector median of 6.0×. That places the current reading at the 97th percentile of its 10-year history. A higher multiple usually reflects stronger expected growth, lower perceived risk, or higher returns on capital; a lower multiple reflects the opposite.

Question 6

What is F5's historical P/B ratio range?

Accepted Answer

In the available daily series, F5 (FFIV) P/B ratio has ranged from a low of 1.3× in 2004 to a high of 9.8× in 2010. The 5-year average is 4.3× and the 5-year median is 4.1×.

Question 7

What was F5's P/B ratio in 2025?

Accepted Answer

F5 (FFIV) P/B ratio at the end of 2025 was 5.2×. Annual values reflect the multiple on the last trading day of each calendar year, using the trailing twelve-month book value figure available at that date.

Question 8

Why does F5's P/B ratio change over time?

Accepted Answer

Valuation multiples move with two inputs: the numerator (market capitalisation, which tracks the share price) and the denominator (book value). Share-price changes — driven by interest rates, earnings expectations, risk appetite, and broader market sentiment — typically dominate short-term moves, while changes in the underlying fundamental drive the longer-term trend. As a result, the ratio can rise during stock-price rallies even if the business itself has not become more valuable, and fall during sell-offs even when fundamentals are improving.


2025	$18.63B	$3.59B	5.2×	+1.1×	Sep 30, 2025
2024	$12.86B	$3.13B	4.1×	+0.7×	Sep 30, 2024
2023	$9.55B	$2.80B	3.4×	-0.1×	Sep 30, 2023
2022	$8.65B	$2.47B	3.5×	-1.6×	Sep 30, 2022
2021	$12.03B	$2.36B	5.1×	+1.7×	Sep 30, 2021
2020	$7.51B	$2.23B	3.4×	-1.4×	Sep 30, 2020
2019	$8.46B	$1.76B	4.8×	-4.2×	Sep 30, 2019
2018	$11.54B	$1.29B	9.0×	+2.8×	Sep 30, 2018
2017	$7.61B	$1.23B	6.2×	-0.7×	Sep 30, 2017
2016	$8.20B	$1.19B	6.9×	+0.7×	Sep 30, 2016
2015	$8.22B	$1.32B	6.2×	-0.2×	Sep 30, 2015
2014	$8.77B	$1.37B	6.4×	+2.0×	Sep 30, 2014
2013	$6.74B	$1.54B	4.4×	-1.8×	Sep 30, 2013
2012	$8.27B	$1.33B	6.2×	+1.0×	Sep 30, 2012
2011	$5.73B	$1.11B	5.2×	-3.0×	Sep 30, 2011
2010	$8.26B	$1.00B	8.2×	+4.3×	Sep 30, 2010
2009	$3.11B	$799.02M	3.9×	+1.2×	Sep 30, 2009
2008	$1.92B	$718.26M	2.7×	-1.4×	Sep 30, 2008
2007	$3.18B	$770.58M	4.1×	+2.4×	Sep 30, 2007
2006	$1.08B	$616.46M	1.7×	-1.9×	Sep 30, 2006
2005	$1.67B	$464.21M	3.6×	+2.3×	Sep 30, 2005
2004	$402.88M	$307.64M	1.3×	-3.9×	Sep 30, 2004
2003	$580.26M	$110.43M	5.3×	+3.2×	Sep 30, 2003
2002	$193.30M	$93.69M	2.1×	—	Sep 30, 2002


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P/B Ratio for F5 (FFIV)

P/B Ratio daily chart for F5 (FFIV)

Historical P/B Ratio for F5 (FFIV) from 2002 to 2025

About P/B Ratio at F5 (FFIV)

F5 P/B Ratio by Year

F5 P/B Ratio 2025: 5.2×

F5 P/B Ratio 2024: 4.1×

F5 P/B Ratio 2023: 3.4×

F5 P/B Ratio 2022: 3.5×

F5 P/B Ratio 2021: 5.1×

Sector peers by P/B Ratio — chart

Sector peers by P/B Ratio — table

Frequently asked questions

F5 (FFIV) Key Financials

P/B Ratio daily chart for F5 (FFIV)

Historical P/B Ratio for F5 (FFIV) from 2002 to 2025

About P/B Ratio at F5 (FFIV)

F5 P/B Ratio by Year

F5 P/B Ratio 2025: 5.2×

F5 P/B Ratio 2024: 4.1×

F5 P/B Ratio 2023: 3.4×

F5 P/B Ratio 2022: 3.5×

F5 P/B Ratio 2021: 5.1×

Sector peers by P/B Ratio — chart

Sector peers by P/B Ratio — table

Frequently asked questions

+What is F5's P/B ratio?

+How is the P/B ratio calculated?

+What is the P/B ratio?

+What is a good P/B ratio for F5?

+Is F5's P/B ratio high or low?

+What is F5's historical P/B ratio range?

+What was F5's P/B ratio in 2025?

+Why does F5's P/B ratio change over time?

F5 (FFIV) Key Financials