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DDOG vs ZS: Correlation

Measured on weekly returns over the past three years, Datadog (DDOG) and Zscaler, Inc. (ZS) carry a correlation of 0.52, a moderate link.

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

Correlation (3Y)
0.52
moderate
Correlation (1Y)
0.50
last 12 months
Correlation (5Y)
0.61
long-run
Ann. covariance
1302.9
%² · weekly, annualized

How correlated are DDOG and ZS?

Over the past 3 years, DDOG and ZS moved with a correlation of 0.52, which is moderate. Little has changed lately, as the 1-year reading of 0.50 lands near the 3-year figure. Over 5 years the correlation is 0.61, and the annualized covariance of weekly returns is 1302.9 %².

Within DDOG's tracked universe of 30 assets, ZS comes in at #7 by 3-year correlation. The last year tells two different stories: DDOG led by 115.8 percentage points, +84.4% for DDOG 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.

DDOG vs ZS: side by side

DDOG (Datadog)ZS (Zscaler, Inc.)
1-year return+84.4%-31.4%
5-year return+77.8%-32.7%
Volatility (ann.)54.6%45.7%
Beta vs S&P 5001.371.47
Max drawdown (3Y)-48.6%-64.9%
Market cap$87.2B$30.3B
P/E (trailing)458.4
Dividend yield0.00%0.00%
Sector / categoryInformation TechnologyUS Listed
Smaller drawdown: DDOG -48.6% vs -64.9%Higher 5y return: DDOG +77.8% vs -32.7%
-57%0%+97%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. DDOG · ZS

Year-by-year returns

YearDDOGZS
2022-58.7%-65.2%
2023+65.1%+98.0%
2024+17.7%-18.6%
2025-4.8%+24.7%
2026+78.6%-16.7%

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

Are DDOG and ZS good diversifiers for each other?

Only partially. A correlation of 0.52 means DDOG 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 DDOG and ZS?

As of 2026-08-27, the correlation of weekly returns between DDOG and ZS is 0.52 over 3 years, 0.50 over 1 year and 0.61 over 5 years.

Is ZS a good diversifier for DDOG?

Only partially. A correlation of 0.52 means DDOG 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 0.52 mean?

A reading of 0.52 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/ddog-vs-zs.json

DDOG vs ZS: 3-year weekly correlation 0.52DDOG vs ZS0.52

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Related comparisons

Hubs: DDOG correlations · ZS correlations