Which has grown faster, CLS or ZS?

Over the past five years, ZS grew revenue faster — CLS at a 22.80% CAGR versus ZS at 39.45%.

Is CLS or ZS more profitable?

CLS runs the higher net margin — CLS at 7.16% versus ZS at -2.44%.

How have CLS and ZS total returns compared?

Over the past 5 years, CLS delivered 39.47% and ZS delivered -5.50% annualized total return. Past performance doesn't predict future results.

Celestica Inc. (CLS) vs Zscaler, Inc. (ZS)

A side-by-side comparison of Celestica Inc. and Zscaler, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 20, 2026. Differences are shown without an overall score or investment verdict.

CLS

Celestica Inc.

$34.65B

$301.36TechnologyAt close: Aug 19, 2026, 4:00 PM ET

Zscaler, Inc.

$29.85B

$184.60TechnologyAt close: Aug 19, 2026, 4:00 PM ET

Total return — CLS vs ZS

growth of $100 · dividends reinvested · last 8y

CLS +2562.2% (+50.7%/yr)ZS +459.4% (+24.0%/yr)CLS compounded faster over this window

CLS ZS

CLS vs ZS: by the numbers

•CLS is the larger company ($34.65B vs $29.85B market cap).
•CLS is profitable (7.16% net margin) while ZS runs a net loss (-2.44%).
•ZS grew revenue faster over the past five years (39.45% vs 22.80% CAGR).

Metrics side by side

Valuation

Metric	CLS	ZS
P/E ratio	31.29	N/A
Forward P/E	26.50	44.84
P/S ratio	2.24	9.35
P/B ratio	14.12	12.54
EV / EBITDA	24.41	7118.33
FCF yield	1.48%	3.24%

Profitability

Metric	CLS	ZS
Gross margin	11.59%	76.67%
Operating margin	8.13%	-4.73%
Net margin	7.16%	-2.44%
ROE	45.07%	-3.27%
ROIC	29.75%	-3.26%

Growth (annualized)

Metric	CLS	ZS
Revenue CAGR (5Y)	22.80%	39.45%
EPS CAGR (5Y)	73.33%	N/A
FCF CAGR (5Y)	29.00%	49.89%
Total return CAGR (5Y)	103.26%	-5.50%

Frequently asked

Which has grown faster, CLS or ZS?: Over the past five years, ZS grew revenue faster — CLS at a 22.80% CAGR versus ZS at 39.45%.
Is CLS or ZS more profitable?: CLS runs the higher net margin — CLS at 7.16% versus ZS at -2.44%.
How have CLS and ZS total returns compared?: Over the past 5 years, CLS delivered 39.47% and ZS delivered -5.50% annualized total return. Past performance doesn't predict future results.

Go deeper

Full CLS analysis Full ZS analysis Interactive comparison tool

Dig into the metrics

Celestica P/E ratio Celestica ROE Zscaler ROE Celestica operating margin Zscaler operating margin Celestica revenue growth Zscaler revenue growth Celestica free cash flow Zscaler free cash flow

Celestica & Zscaler appear in these rankings

Fastest Revenue Growth Stocks Highest ROE Stocks Highest ROIC Stocks Highest 10-Year Total Return Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified August 20, 2026.