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CRWD vs ZS: Correlation

Measured on weekly returns over the past three years, CrowdStrike (CRWD) and Zscaler, Inc. (ZS) carry a correlation of 0.64, a strong link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.64
strong
Correlation (1Y)
0.63
last 12 months
Correlation (5Y)
0.67
long-run
Ann. covariance
1462.4
%² · weekly, annualized

How correlated are CRWD and ZS?

Across a 3-year window, the weekly returns of CRWD and ZS correlate at 0.64, strong. The relationship has been stable: the 1-year correlation (0.63) sits close to the 3-year figure. Stretching to 5 years gives 0.67, with an annualized covariance of 1462.4 %².

In CRWD's tracked universe of 31 assets, ZS sits right near the top at #3. The last year tells two different stories: CRWD led by 147.2 percentage points, +115.8% for CRWD against -31.4% for ZS.

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

CRWD vs ZS: side by side

CRWD (CrowdStrike)ZS (Zscaler, Inc.)
1-year return+115.8%-31.4%
5-year return+218.4%-32.7%
Volatility (ann.)50.2%45.7%
Beta vs S&P 5001.871.47
Max drawdown (3Y)-44.4%-64.9%
Market cap$233.4B$30.3B
P/E (trailing)3256.6
Dividend yield0.00%0.00%
Sector / categoryInformation TechnologyUS Listed
Smaller drawdown: CRWD -44.4% vs -64.9%Higher 5y return: CRWD +218.4% vs -32.7%
-57%0%+118%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CRWD · ZS

Year-by-year returns

YearCRWDZS
2022-48.6%-65.2%
2023+142.5%+98.0%
2024+34.0%-18.6%
2025+37.0%+24.7%
2026+94.5%-16.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are CRWD and ZS good diversifiers for each other?

Only partially. A correlation of 0.64 means CRWD and ZS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between CRWD and ZS?

As of 2026-08-27, the correlation of weekly returns between CRWD and ZS is 0.64 over 3 years, 0.63 over 1 year and 0.67 over 5 years.

Is ZS a good diversifier for CRWD?

Only partially. A correlation of 0.64 means CRWD and ZS share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.64 mean?

A reading of 0.64 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/crwd-vs-zs.json

CRWD vs ZS: 3-year weekly correlation 0.64CRWD vs ZS0.64

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[![CRWD vs ZS correlation](https://www.pairbook.io/api/v1/badge/crwd-vs-zs.svg)](https://www.pairbook.io/pair/crwd-vs-zs/)

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Related comparisons

Hubs: CRWD correlations · ZS correlations