Telefonica Rule of 40
The Rule of 40 of Telefonica (TEF.MC) as of Oct 9, 2026 is -10.81 %. In the previous year, Rule of 40 was 10.24 % — a change of -205.63% (lower).
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Rule of 40
-10.81 %
YoY
-205.63%
Last updated:
Rule of 40 of Telefonica is 2025 -10.81 % . Rule of 40 of Telefonica was 2024 10.24 % . It decreases by -205.63% lower compared to the previous year.
The Telefonica Rule of 40 history
3 Years
10 Years
25 Years
Max
Rule of 40
Date
Rule of 40
Jan 1, 2018
7.02 EUR
Jan 1, 2019
5.11 EUR
Jan 1, 2020
2.91 EUR
Jan 1, 2021
25.77 EUR
Jan 1, 2022
11.96 EUR
Jan 1, 2023
8.03 EUR
Jan 1, 2024
10.24 EUR
Jan 1, 2025
-10.81 EUR
| YEAR | Rule of 40 | YoY |
|---|---|---|
| -10.81 % | -205.63% | |
| 10.24 % | +27.52% | |
| 8.03 % | -32.92% | |
| 11.96 % | -53.57% | |
| 25.77 % | +785.80% | |
| 2.91 % | -43.05% | |
| 5.11 % | -27.23% | |
| 7.02 % | -46.01% | |
| 13.00 % | -37.21% | |
| 20.71 % | -15,615.16% | |
| -0.13 % | — |
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Telefonica Stock analysis
What does Telefonica do? Telefonica SA is a Spanish telecommunications company that was founded in 1924. The company is one of the largest of its kind in Europe and offers numerous products and services in over 20 countries worldwide. Its main business areas are fixed-line, mobile, and internet services. Telefonica SA is also involved in the production and distribution of digital content. Telefonica is one of the most popular companies on Eulerpool.
Frequently Asked Questions about Telefonica stock
Rule of 40 of Telefonica is -10.81 % in 2025.
On Eulerpool you can find the complete historical development of Rule of 40 Telefonica 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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Quality — Telefonica
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