Koss Rule of 40
The Rule of 40 of Koss (KOSS) as of Oct 19, 2026 is -8.47 %. In the previous year, Rule of 40 was -10.83 % — a change of -21.77% (higher).
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Rule of 40
-8.47 %
YoY
-21.77%
Last updated:
Rule of 40 of Koss is 2026 -8.47 % . Rule of 40 of Koss was 2025 -10.83 % . It decreases by -21.77% higher compared to the previous year.
The Koss Rule of 40 history
3 Years
10 Years
25 Years
Max
Rule of 40
Date
Rule of 40
Jan 1, 2019
-5.26 USD
Jan 1, 2020
-18.81 USD
Jan 1, 2021
4.74 USD
Jan 1, 2022
-4.32 USD
Jan 1, 2023
-216.10 USD
Jan 1, 2024
-21.64 USD
Jan 1, 2025
-10.83 USD
Jan 1, 2026
-8.47 USD
| YEAR | Rule of 40 | YoY |
|---|---|---|
| -8.47 % | -21.77% | |
| -10.83 % | -49.93% | |
| -21.64 % | -89.99% | |
| -216.10 % | +4,900.54% | |
| -4.32 % | -191.14% | |
| 4.74 % | -125.22% | |
| -18.81 % | +257.23% | |
| -5.26 % | +40.09% | |
| -3.76 % | -64.87% | |
| -10.70 % | -166.71% | |
| 16.04 % | +327.80% | |
| 3.75 % | — |
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Koss Stock analysis
What does Koss do? Koss Corp is an American company that is engaged in the manufacturing and marketing of audio devices. The company was founded in 1953 by John C. Koss in Milwaukee, Wisconsin. Today, it is one of the leading providers of headphones and other audio devices and is internationally known. Koss is one of the most popular companies on Eulerpool.
Frequently Asked Questions about Koss stock
Rule of 40 of Koss is -8.47 % in 2026.
On Eulerpool you can find the complete historical development of Rule of 40 Koss 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 — Koss
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