System1 Rule of 40
The Rule of 40 of System1 (SST) as of Oct 25, 2026 is -45.93 %. In the previous year, Rule of 40 was -40.20 % — a change of 14.25% (lower).
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Rule of 40
-45.93 %
YoY
14.25%
Last updated:
The System1 Rule of 40 history
3 Years
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| YEAR | Rule of 40 | YoY |
|---|---|---|
| -45.93 % | +14.25% | |
| -40.20 % | -34.03% | |
| -60.94 % | +180.92% | |
| -21.69 % | -141.71% | |
| 52.01 % | +212.62% | |
| 16.64 % | -74.89% | |
| 66.26 % | — |
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System1 Stock analysis
Frequently Asked Questions about System1 stock
Rule of 40 of System1 is -45.93 % in 2025.
On Eulerpool you can find the complete historical development of Rule of 40 System1 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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