GPI vs PAG: Correlation
Group 1 Automotive, Inc. (GPI) and Penske Automotive Group, Inc. (PAG) show a strong relationship: their 3-year correlation of weekly returns is 0.74.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GPI and PAG?
Across a 3-year window, the weekly returns of GPI and PAG correlate at 0.74, strong. The link has loosened recently: the 1-year correlation (0.57) runs below the 3-year figure (0.74). Stretching to 5 years gives 0.79, with an annualized covariance of 619.2 %².
Few assets follow GPI as closely as PAG, which ranks #2 of 10 tracked partners. Their recent paths diverged sharply: over the last 12 months PAG outperformed by 64.3 percentage points (-44.8% for GPI against +19.5% for PAG).
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.
GPI vs PAG: side by side
| GPI (Group 1 Automotive, Inc.) | PAG (Penske Automotive Group, Inc.) | |
|---|---|---|
| 1-year return | -44.8% | +19.5% |
| 5-year return | +64.3% | +177.2% |
| Volatility (ann.) | 31.9% | 26.3% |
| Beta vs S&P 500 | 0.68 | 0.66 |
| Max drawdown (3Y) | -48.6% | -24.0% |
| Market cap | $3.1B | $14.3B |
| P/E (trailing) | 10.8 | 15.8 |
| Dividend yield | 0.04% | 2.60% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GPI | PAG |
|---|---|---|
| 2022 | -6.9% | +9.2% |
| 2023 | +70.2% | +42.3% |
| 2024 | +39.1% | -2.5% |
| 2025 | -6.3% | +7.1% |
| 2026 | -33.1% | +41.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GPI and PAG good diversifiers for each other?
To a limited degree. At 0.74 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between GPI and PAG?
The GPI/PAG correlation stands at 0.74 on a 3-year window (1 year: 0.57, 5 years: 0.79), computed from weekly returns as of 2026-08-27.
Is PAG a good diversifier for GPI?
To a limited degree. At 0.74 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.74 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
$ curl https://www.pairbook.io/api/v1/pairs/gpi-vs-pag.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/gpi-vs-pag/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GPI correlations · PAG correlations
