BBY vs GM: Correlation
Measured on weekly returns over the past three years, Best Buy (BBY) and General Motors (GM) carry a correlation of 0.39, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BBY and GM?
Over the past 3 years, BBY and GM moved with a correlation of 0.39, which is moderate. Recent behaviour matches the longer record: 0.38 over 1 year against 0.39 over 3. Over 5 years the correlation is 0.44, and the annualized covariance of weekly returns is 471.1 %².
Among the 33 assets we track against BBY, GM ranks #18 by 3-year correlation. The last year tells two different stories: GM led by 31.1 percentage points, +16.9% for BBY against +48.0% for GM. The rolling one-year correlation moved between 0.25 and 0.70 over the past three years, a moderate range.
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.
BBY vs GM: side by side
| BBY (Best Buy) | GM (General Motors) | |
|---|---|---|
| 1-year return | +16.9% | +48.0% |
| 5-year return | -11.2% | +82.5% |
| Volatility (ann.) | 37.6% | 32.2% |
| Beta vs S&P 500 | 0.97 | 0.98 |
| Max drawdown (3Y) | -44.3% | -29.1% |
| Market cap | – | $77.9B |
| P/E (trailing) | 16.2 | 38.6 |
| Dividend yield | 0.00% | 0.76% |
| Sector / category | Consumer Discretionary | Consumer Discretionary |
Year-by-year returns
| Year | BBY | GM |
|---|---|---|
| 2022 | -17.5% | -42.4% |
| 2023 | +2.5% | +7.9% |
| 2024 | +14.4% | +49.8% |
| 2025 | -17.8% | +54.2% |
| 2026 | +28.4% | +6.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BBY and GM good diversifiers for each other?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between BBY and GM?
Using weekly returns as of 2026-08-27: 0.39 over 3 years, with 0.38 over the last year and 0.44 over 5 years.
Is GM a good diversifier for BBY?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.39 mean?
On the −1 to +1 scale, 0.39 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bby-vs-gm.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bby-vs-gm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BBY correlations · GM correlations
