AROC vs CALM: Correlation
Measured on weekly returns over the past three years, Archrock, Inc. (AROC) and Cal-Maine Foods, Inc. (CALM) carry a correlation of 0.33, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AROC and CALM?
Over the past 3 years, AROC and CALM moved with a correlation of 0.33, which is moderate. The past 12 months show a weaker link (0.14) than the 3-year average (0.33). Over 5 years the correlation is 0.13, and the annualized covariance of weekly returns is 369.8 %².
CALM is close to the least connected end of AROC's tracked universe, ranking #13 of 17. Their recent paths diverged sharply: over the last 12 months AROC outperformed by 64.1 percentage points (+34.4% for AROC against -29.7% for CALM).
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.
AROC vs CALM: side by side
| AROC (Archrock, Inc.) | CALM (Cal-Maine Foods, Inc.) | |
|---|---|---|
| 1-year return | +34.4% | -29.7% |
| 5-year return | +420.1% | +187.0% |
| Volatility (ann.) | 36.3% | 30.5% |
| Beta vs S&P 500 | 0.87 | 0.35 |
| Max drawdown (3Y) | -30.3% | -37.0% |
| Market cap | $5.6B | $3.7B |
| P/E (trailing) | 17.0 | 12.5 |
| Dividend yield | 2.78% | 2.96% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AROC | CALM |
|---|---|---|
| 2022 | +28.8% | +51.9% |
| 2023 | +81.0% | +14.5% |
| 2024 | +67.6% | +87.0% |
| 2025 | +8.0% | -15.6% |
| 2026 | +25.6% | +1.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AROC and CALM good diversifiers for each other?
Reasonably. At 0.33, AROC and CALM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between AROC and CALM?
Using weekly returns as of 2026-08-27: 0.33 over 3 years, with 0.14 over the last year and 0.13 over 5 years.
Is CALM a good diversifier for AROC?
Reasonably. At 0.33, AROC and CALM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.33 mean?
On the −1 to +1 scale, 0.33 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.
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Related comparisons
Hubs: AROC correlations · CALM correlations
