AROC vs KGS: Correlation
Archrock, Inc. (AROC) and Kodiak Gas Services, Inc. (KGS) show a very strong relationship: their 3-year correlation of weekly returns is 0.81.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AROC and KGS?
On 3 years of weekly data the AROC/KGS correlation comes out at 0.81, very strong, meaning they move nearly in lockstep. Little has changed lately, as the 1-year reading of 0.81 lands near the 3-year figure. The 5-year figure is n/a, and annualized covariance runs at 1085.0 %².
KGS is one of the assets that tracks AROC most closely: it ranks #1 out of the 17 assets we track against AROC. Their recent paths diverged sharply: over the last 12 months KGS outperformed by 42.5 percentage points (+34.4% for AROC against +76.9% for KGS).
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 KGS: side by side
| AROC (Archrock, Inc.) | KGS (Kodiak Gas Services, Inc.) | |
|---|---|---|
| 1-year return | +34.4% | +76.9% |
| 5-year return | +420.1% | n/a |
| Volatility (ann.) | 36.3% | 37.1% |
| Beta vs S&P 500 | 0.87 | 0.72 |
| Max drawdown (3Y) | -30.3% | -38.6% |
| Market cap | $5.6B | $6.1B |
| P/E (trailing) | 17.0 | 68.4 |
| Dividend yield | 2.78% | 3.24% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AROC | KGS |
|---|---|---|
| 2022 | +28.8% | – |
| 2023 | +81.0% | – |
| 2024 | +67.6% | +115.2% |
| 2025 | +8.0% | -3.7% |
| 2026 | +25.6% | +64.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AROC and KGS good diversifiers for each other?
No: a correlation of 0.81 means AROC and KGS tend to fall together, which is precisely when diversification is supposed to help.
FAQ
What is the correlation between AROC and KGS?
The AROC/KGS correlation stands at 0.81 on a 3-year window (1 year: 0.81, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is KGS a good diversifier for AROC?
No: a correlation of 0.81 means AROC and KGS tend to fall together, which is precisely when diversification is supposed to help.
What does a correlation of 0.81 mean?
A reading of 0.81 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
$ curl https://www.pairbook.io/api/v1/pairs/aroc-vs-kgs.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/aroc-vs-kgs/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AROC correlations · KGS correlations
