FAST vs GD: Correlation
Fastenal (FAST) and General Dynamics (GD) show a moderate relationship: their 3-year correlation of weekly returns is 0.46.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FAST and GD?
On 3 years of weekly data the FAST/GD correlation comes out at 0.46, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.34 versus 0.46 over 3 years. The 5-year figure is 0.45, and annualized covariance runs at 231.1 %².
Among the 33 assets we track against FAST, GD ranks #19 by 3-year correlation. Over the last 12 months GD came out ahead by 14.7 percentage points (+4.1% against +18.8%). On a rolling one-year basis the correlation drifted between 0.17 and 0.63, a moderate band.
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.
FAST vs GD: side by side
| FAST (Fastenal) | GD (General Dynamics) | |
|---|---|---|
| 1-year return | +4.1% | +18.8% |
| 5-year return | +105.5% | +111.9% |
| Volatility (ann.) | 24.0% | 21.1% |
| Beta vs S&P 500 | 0.63 | 0.52 |
| Max drawdown (3Y) | -21.9% | -22.5% |
| Market cap | $58.7B | $102.8B |
| P/E (trailing) | 43.7 | 23.3 |
| Dividend yield | 1.80% | 1.62% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | FAST | GD |
|---|---|---|
| 2022 | -24.3% | +21.7% |
| 2023 | +41.3% | +7.1% |
| 2024 | +13.5% | +3.5% |
| 2025 | +14.0% | +30.4% |
| 2026 | +29.5% | +14.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FAST and GD good diversifiers for each other?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between FAST and GD?
As of 2026-08-27, the correlation of weekly returns between FAST and GD is 0.46 over 3 years, 0.34 over 1 year and 0.45 over 5 years.
Is GD a good diversifier for FAST?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.46 mean?
On the −1 to +1 scale, 0.46 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/fast-vs-gd.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/fast-vs-gd/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: FAST correlations · GD correlations
