ZS Rule of 40
Rule of 40 combines revenue growth and free cash flow margin in one quarterly score.
73
Q1
46
Q2
40
Q3
45
2025
Q4
78
Q1
47
Q2
41
Q3
32
2026
Q4
40
0
Mix
Other ZS Charts
More quarter-by-quarter fundamentals for Zscaler, Inc.
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Revenue
EPS
Free Cash Flow
Gross Margin
FCF Margin
P/E Ratio
Cumulative FCF
Shares Outstanding
Total Assets
Total Debt
Networking & Security Comparison
1 / 3
CSCO · Rule of 40
Q4 FY2026 · latest
46.5✓ Passing
Growth +17.6%
FCF +29.0%
19
Q1
24
Q2
38
Q3
35
FY2025
Q4
27
Q1
20
Q2
33
Q3
47
FY2026
Q4
40
0
Mix
PANW · Rule of 40
2026 Q4 · latest
71.2✓ Passing
Growth +34.5%
FCF +36.8%
82
Q1
37
Q2
39
Q3
53
2025
Q4
84
Q1
30
Q2
57
Q3
71
2026
Q4
40
0
Mix
CRWD · Rule of 40
2027 Q2 · latest
51.5✓ Passing
Growth +25.8%
FCF +25.7%
51
Q3
48
2025
Q4
45
Q1
46
Q2
46
Q3
52
2026
Q4
59
Q1
51
2027
Q2
40
0
Mix
Latest Rule of 40: +32 (2026Q4); -13 pts YoY.
Across the 8 quarters from 2025Q1 to 2026Q4, Rule of 40 ranged from +32 in 2026Q4 to +78 in 2026Q1.