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ETR vs RPD: Correlation

How closely do Entergy (ETR) and Rapid7, Inc. (RPD) 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)
-0.32
last 12 months
Correlation (5Y)
-0.03
long-run
Ann. covariance
-252.0
%² · weekly, annualized

How correlated are ETR and RPD?

Over the past 3 years, ETR and RPD moved with a correlation of -0.23, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.32) sits close to the 3-year figure. Over 5 years the correlation is -0.03, and the annualized covariance of weekly returns is -252.0 %².

Out of 38 assets tracked against ETR, RPD lands near the bottom at #37. The last year tells two different stories: ETR led by 56.6 percentage points, +21.9% for ETR against -34.7% for RPD. Note the risk asymmetry: RPD runs 2.9 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

ETR vs RPD: side by side

ETR (Entergy)RPD (Rapid7, Inc.)
1-year return+21.9%-34.7%
5-year return+132.0%-88.9%
Volatility (ann.)19.7%56.3%
Beta vs S&P 5000.221.42
Max drawdown (3Y)-10.6%-91.8%
Market cap$49.7B$0.9B
P/E (trailing)27.237.5
Dividend yield2.35%0.00%
Sector / categoryUtilitiesUS Listed
Lower P/E: ETR 27.2 vs 37.5Higher yield: ETR 2.35% vs 0.00%Smaller drawdown: ETR -10.6% vs -91.8%Higher 5y return: ETR +132.0% vs -88.9%
-75%0%+35%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ETR · RPD

Year-by-year returns

YearETRRPD
2022+3.6%-71.1%
2023-6.1%+68.0%
2024+56.0%-29.5%
2025+25.3%-62.2%
2026+17.3%-11.2%

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

Are ETR and RPD good diversifiers for each other?

Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between ETR and RPD?

The ETR/RPD correlation stands at -0.23 on a 3-year window (1 year: -0.32, 5 years: -0.03), computed from weekly returns as of 2026-08-27.

Is RPD a good diversifier for ETR?

Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.23 mean?

A reading of -0.23 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/etr-vs-rpd.json

ETR vs RPD: 3-year weekly correlation -0.23ETR vs RPD-0.23

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Hubs: ETR correlations · RPD correlations