PairBook
HomeAWK › AWK vs ED

AWK vs ED: Correlation

American Water Works (AWK) and Consolidated Edison (ED) show a strong relationship: their 3-year correlation of weekly returns is 0.67.

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

Correlation (3Y)
0.67
strong
Correlation (1Y)
0.70
last 12 months
Correlation (5Y)
0.67
long-run
Ann. covariance
227.3
%² · weekly, annualized

How correlated are AWK and ED?

On 3 years of weekly data the AWK/ED correlation comes out at 0.67, strong. Recent behaviour matches the longer record: 0.70 over 1 year against 0.67 over 3. The 5-year figure is 0.67, and annualized covariance runs at 227.3 %².

By 3-year correlation, ED places #7 of the 49 assets tracked against AWK. On 12-month performance ED holds a 13.2-point edge, -3.0% against +10.2%. The link looks structural: the rolling one-year correlation barely moved, holding between 0.55 and 0.74.

+1.0+0.50-0.5-1.020232026-08-27
One-year correlation, rolled weekly across the last 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.

AWK vs ED: side by side

AWK (American Water Works)ED (Consolidated Edison)
1-year return-3.0%+10.2%
5-year return-16.6%+67.5%
Volatility (ann.)20.7%16.5%
Beta vs S&P 500-0.11-0.21
Max drawdown (3Y)-18.8%-17.4%
Market cap$27.2B$39.5B
P/E (trailing)23.717.5
Dividend yield2.46%3.22%
Sector / categoryUtilitiesUtilities
Lower P/E: ED 17.5 vs 23.7Higher yield: ED 3.22% vs 2.46%Smaller drawdown: ED -17.4% vs -18.8%Higher 5y return: ED +67.5% vs -16.6%
-13%0%+20%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). AWK · ED

Year-by-year returns

YearAWKED
2022-17.9%+15.7%
2023-11.7%-1.1%
2024-3.5%+1.5%
2025+7.4%+15.1%
2026+6.9%+10.1%

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

Are AWK and ED good diversifiers for each other?

To a limited degree. At 0.67 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between AWK and ED?

As of 2026-08-27, the correlation of weekly returns between AWK and ED is 0.67 over 3 years, 0.70 over 1 year and 0.67 over 5 years.

Is ED a good diversifier for AWK?

To a limited degree. At 0.67 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.67 mean?

On the −1 to +1 scale, 0.67 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

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

AWK vs ED: 3-year weekly correlation 0.67AWK vs ED0.67

Markdown for the live badge, attribution link included:

[![AWK vs ED correlation](https://www.pairbook.io/api/v1/badge/awk-vs-ed.svg)](https://www.pairbook.io/pair/awk-vs-ed/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: AWK correlations · ED correlations