AAP vs GPC: Correlation
How closely do Advance Auto Parts Inc. (AAP) and Genuine Parts Company (GPC) trade together? Their weekly returns over three years give a correlation of 0.38, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AAP and GPC?
Over the past 3 years, AAP and GPC moved with a correlation of 0.38, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.49 versus 0.38 over 3 years. Over 5 years the correlation is 0.42, and the annualized covariance of weekly returns is 688.6 %².
GPC is one of the assets that tracks AAP most closely: it ranks #3 out of the 11 assets we track against AAP. Correlation aside, the last 12 months split them widely, with GPC ahead by 28.0 points (-26.7% versus +1.3%). One caveat on sizing: AAP is 1.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
AAP vs GPC: side by side
| AAP (Advance Auto Parts Inc.) | GPC (Genuine Parts Company) | |
|---|---|---|
| 1-year return | -26.7% | +1.3% |
| 5-year return | -75.5% | +27.6% |
| Volatility (ann.) | 57.4% | 31.9% |
| Beta vs S&P 500 | 0.80 | 0.66 |
| Max drawdown (3Y) | -64.2% | -39.7% |
| Market cap | – | $18.8B |
| P/E (trailing) | 24.7 | 546.8 |
| Dividend yield | 2.27% | 3.00% |
| Sector / category | US Listed | Consumer Discretionary |
Year-by-year returns
| Year | AAP | GPC |
|---|---|---|
| 2022 | -36.5% | +26.8% |
| 2023 | -57.6% | -18.1% |
| 2024 | -21.1% | -13.2% |
| 2025 | -15.0% | +8.7% |
| 2026 | +12.8% | +13.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AAP and GPC good diversifiers for each other?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between AAP and GPC?
As of 2026-08-27, the correlation of weekly returns between AAP and GPC is 0.38 over 3 years, 0.49 over 1 year and 0.42 over 5 years.
Is GPC a good diversifier for AAP?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.38 mean?
On the −1 to +1 scale, 0.38 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: AAP correlations · GPC correlations
