PairBook
HomeAGX › AGX vs STRL

AGX vs STRL: Correlation

Measured on weekly returns over the past three years, Argan, Inc. (AGX) and Sterling Infrastructure, Inc. (STRL) carry a correlation of 0.41, a moderate link.

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

Correlation (3Y)
0.41
moderate
Correlation (1Y)
0.30
last 12 months
Correlation (5Y)
0.39
long-run
Ann. covariance
1539.4
%² · weekly, annualized

How correlated are AGX and STRL?

Over the past 3 years, AGX and STRL moved with a correlation of 0.41, which is moderate. The link has loosened recently: the 1-year correlation (0.30) runs below the 3-year figure (0.41). Over 5 years the correlation is 0.39, and the annualized covariance of weekly returns is 1539.4 %².

By 3-year correlation, STRL places #5 of the 11 assets tracked against AGX. Correlation aside, the last 12 months split them widely, with AGX ahead by 28.7 points (+103.7% versus +75.0%).

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.

AGX vs STRL: side by side

AGX (Argan, Inc.)STRL (Sterling Infrastructure, Inc.)
1-year return+103.7%+75.0%
5-year return+1008.1%+2095.9%
Volatility (ann.)55.9%66.9%
Beta vs S&P 5000.922.13
Max drawdown (3Y)-43.7%-51.1%
Market cap$6.4B$15.5B
P/E (trailing)40.436.5
Dividend yield0.41%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: STRL 36.5 vs 40.4Higher yield: AGX 0.41% vs 0.00%Smaller drawdown: AGX -43.7% vs -51.1%Higher 5y return: STRL +2095.9% vs +1008.1%
0%+263%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. AGX · STRL

Year-by-year returns

YearAGXSTRL
2022-2.0%+24.7%
2023+30.2%+168.1%
2024+198.3%+91.6%
2025+130.6%+81.8%
2026+47.2%+65.4%

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

Are AGX and STRL good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between AGX and STRL?

As of 2026-08-27, the correlation of weekly returns between AGX and STRL is 0.41 over 3 years, 0.30 over 1 year and 0.39 over 5 years.

Is STRL a good diversifier for AGX?

Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.41 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/agx-vs-strl.json

AGX vs STRL: 3-year weekly correlation 0.41AGX vs STRL0.41

Markdown for the live badge, attribution link included:

[![AGX vs STRL correlation](https://www.pairbook.io/api/v1/badge/agx-vs-strl.svg)](https://www.pairbook.io/pair/agx-vs-strl/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: AGX correlations · STRL correlations