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AMRC vs GRWG: Correlation

Ameresco, Inc. (AMRC) and GrowGeneration Corp. (GRWG) show a moderate relationship: their 3-year correlation of weekly returns is 0.50.

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

Correlation (3Y)
0.50
moderate
Correlation (1Y)
0.12
last 12 months
Correlation (5Y)
0.48
long-run
Ann. covariance
2975.4
%² · weekly, annualized

How correlated are AMRC and GRWG?

Over the past 3 years, AMRC and GRWG moved with a correlation of 0.50, which is moderate. The past 12 months show a weaker link (0.12) than the 3-year average (0.50). Over 5 years the correlation is 0.48, and the annualized covariance of weekly returns is 2975.4 %².

Within AMRC's tracked universe of 18 assets, GRWG comes in at #6 by 3-year correlation. The trailing year gives GRWG the advantage: -6.6% versus -1.2%, a 5.4-point spread.

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.

AMRC vs GRWG: side by side

AMRC (Ameresco, Inc.)GRWG (GrowGeneration Corp.)
1-year return-6.6%-1.2%
5-year return-66.7%-94.6%
Volatility (ann.)74.9%79.8%
Beta vs S&P 5001.781.88
Max drawdown (3Y)-81.5%-76.3%
Market cap$1.2B$0.1B
P/E (trailing)43.2
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: GRWG -76.3% vs -81.5%Higher 5y return: AMRC -66.7% vs -94.6%
-31%0%+64%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. AMRC · GRWG

Year-by-year returns

YearAMRCGRWG
2022-29.8%-70.0%
2023-44.6%-36.0%
2024-25.9%-32.7%
2025+24.7%-11.2%
2026-21.8%+10.7%

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

Are AMRC and GRWG good diversifiers for each other?

Only partially. A correlation of 0.50 means AMRC and GRWG 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 AMRC and GRWG?

Using weekly returns as of 2026-08-27: 0.50 over 3 years, with 0.12 over the last year and 0.48 over 5 years.

Is GRWG a good diversifier for AMRC?

Only partially. A correlation of 0.50 means AMRC and GRWG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.50 mean?

A reading of 0.50 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/amrc-vs-grwg.json

AMRC vs GRWG: 3-year weekly correlation 0.50AMRC vs GRWG0.50

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Related comparisons

Hubs: AMRC correlations · GRWG correlations