Fon Stock

Fon Rule of 40

The Rule of 40 of Fon (FON.WA) as of Sep 3, 2026 is 146.45 %. In the previous year, Rule of 40 was 215.77 % — a change of -32.12% (lower).

Rule of 40

146.45 %

YoY

-32.12%

Last updated:

Rule of 40 of Fon is 2026 146.45 % . Rule of 40 of Fon was 2025 215.77 % . It decreases by -32.12% lower compared to the previous year.

The Fon Rule of 40 history

  • 3 Years

  • 10 Years

  • 25 Years

  • Max

Rule of 40
Date
Rule of 40
Jan 1, 2015
-10.21 EUR
Jan 1, 2016
75.00 EUR
Jan 1, 2017
-215.37 EUR
Jan 1, 2018
-161.88 EUR
Jan 1, 2020
130.92 EUR
Jan 1, 2021
15.47 EUR
Jan 1, 2022
215.77 EUR
Jan 1, 2025
146.45 EUR
The Fon Rule of 40 history
YEARRule of 40YoY
146.45 %-32.12%
215.77 %+1,294.44%
15.47 %-88.18%
130.92 %-180.87%
-161.88 %-24.84%
-215.37 %-387.17%
75.00 %-834.23%
-10.21 %
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Fon Stock analysis

What does Fon do? Fon is one of the most popular companies on Eulerpool.

Frequently Asked Questions about Fon stock

Rule of 40 of Fon is 146.45 % in 2026.

On Eulerpool you can find the complete historical development of Rule of 40 Fon since 2006 – with annual values, charts, and detailed analysis.

The Rule of 40 states that a company's revenue growth rate plus profit margin should exceed 40%. It is widely used to evaluate SaaS and high-growth companies.

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