AROC vs KMI: Correlation
Measured on weekly returns over the past three years, Archrock, Inc. (AROC) and Kinder Morgan (KMI) carry a correlation of 0.60, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AROC and KMI?
Across a 3-year window, the weekly returns of AROC and KMI correlate at 0.60, strong. Recent behaviour matches the longer record: 0.53 over 1 year against 0.60 over 3. Stretching to 5 years gives 0.63, with an annualized covariance of 482.8 %².
Among the 17 assets we track against AROC, KMI ranks #6 by 3-year correlation. Over the last 12 months AROC came out ahead by 12.1 percentage points (+34.4% against +22.3%). Note the risk asymmetry: AROC runs 1.6 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.
AROC vs KMI: side by side
| AROC (Archrock, Inc.) | KMI (Kinder Morgan) | |
|---|---|---|
| 1-year return | +34.4% | +22.3% |
| 5-year return | +420.1% | +153.0% |
| Volatility (ann.) | 36.3% | 22.1% |
| Beta vs S&P 500 | 0.87 | 0.29 |
| Max drawdown (3Y) | -30.3% | -18.4% |
| Market cap | $5.6B | $70.2B |
| P/E (trailing) | 17.0 | 20.6 |
| Dividend yield | 2.78% | 3.69% |
| Sector / category | US Listed | Energy |
Year-by-year returns
| Year | AROC | KMI |
|---|---|---|
| 2022 | +28.8% | +21.2% |
| 2023 | +81.0% | +4.1% |
| 2024 | +67.6% | +64.4% |
| 2025 | +8.0% | +4.8% |
| 2026 | +25.6% | +18.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AROC and KMI good diversifiers for each other?
Only partially. A correlation of 0.60 means AROC and KMI 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 AROC and KMI?
As of 2026-08-27, the correlation of weekly returns between AROC and KMI is 0.60 over 3 years, 0.53 over 1 year and 0.63 over 5 years.
Is KMI a good diversifier for AROC?
Only partially. A correlation of 0.60 means AROC and KMI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.60 mean?
A reading of 0.60 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: AROC correlations · KMI correlations
