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DDOG vs EXC: Correlation

How closely do Datadog (DDOG) and Exelon (EXC) trade together? Their weekly returns over three years give a correlation of -0.23, which is negative.

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

Correlation (3Y)
-0.23
negative
Correlation (1Y)
-0.06
last 12 months
Correlation (5Y)
-0.02
long-run
Ann. covariance
-245.4
%² · weekly, annualized

How correlated are DDOG and EXC?

Over the past 3 years, DDOG and EXC moved with a correlation of -0.23, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.06) than the 3-year average (-0.23). Over 5 years the correlation is -0.02, and the annualized covariance of weekly returns is -245.4 %².

Among the 30 assets we track against DDOG, EXC ranks #23 by 3-year correlation. The last year tells two different stories: DDOG led by 82.7 percentage points, +84.4% for DDOG against +1.7% for EXC. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from -0.50 to 0.22. One caveat on sizing: DDOG is 2.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
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 EXC: side by side

DDOG (Datadog)EXC (Exelon)
1-year return+84.4%+1.7%
5-year return+77.8%+48.1%
Volatility (ann.)54.6%19.4%
Beta vs S&P 5001.37-0.05
Max drawdown (3Y)-48.6%-18.9%
Market cap$87.2B$45.3B
P/E (trailing)458.416.3
Dividend yield0.00%3.69%
Sector / categoryInformation TechnologyUtilities
Lower P/E: EXC 16.3 vs 458.4Higher yield: EXC 3.69% vs 0.00%Smaller drawdown: EXC -18.9% vs -48.6%Higher 5y return: DDOG +77.8% vs +48.1%
-23%0%+97%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. DDOG · EXC

Year-by-year returns

YearDDOGEXC
2022-58.7%+8.3%
2023+65.1%-14.0%
2024+17.7%+9.2%
2025-4.8%+20.0%
2026+78.6%+2.7%

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

Are DDOG and EXC good diversifiers for each other?

Yes. With a correlation of -0.23, DDOG and EXC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between DDOG and EXC?

Using weekly returns as of 2026-08-27: -0.23 over 3 years, with -0.06 over the last year and -0.02 over 5 years.

Is EXC a good diversifier for DDOG?

Yes. With a correlation of -0.23, DDOG and EXC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.23 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

DDOG vs EXC: 3-year weekly correlation -0.23DDOG vs EXC-0.23

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Related comparisons

Hubs: DDOG correlations · EXC correlations