FAST vs NOC: Correlation
Fastenal (FAST) and Northrop Grumman (NOC) show a moderate relationship: their 3-year correlation of weekly returns is 0.36.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FAST and NOC?
On 3 years of weekly data the FAST/NOC correlation comes out at 0.36, moderate. The relationship has been stable: the 1-year correlation (0.37) sits close to the 3-year figure. The 5-year figure is 0.27, and annualized covariance runs at 229.8 %².
Among the 33 assets we track against FAST, NOC ranks #21 by 3-year correlation. Over the last 12 months FAST came out ahead by 9.7 percentage points (+4.1% against -5.6%). The rolling one-year correlation moved between 0.09 and 0.48 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.
FAST vs NOC: side by side
| FAST (Fastenal) | NOC (Northrop Grumman) | |
|---|---|---|
| 1-year return | +4.1% | -5.6% |
| 5-year return | +105.5% | +60.1% |
| Volatility (ann.) | 24.0% | 26.7% |
| Beta vs S&P 500 | 0.63 | 0.24 |
| Max drawdown (3Y) | -21.9% | -35.1% |
| Market cap | $58.7B | $77.4B |
| P/E (trailing) | 43.7 | 17.5 |
| Dividend yield | 1.80% | 1.71% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | FAST | NOC |
|---|---|---|
| 2022 | -24.3% | +43.0% |
| 2023 | +41.3% | -12.8% |
| 2024 | +13.5% | +1.9% |
| 2025 | +14.0% | +23.6% |
| 2026 | +29.5% | -3.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FAST and NOC good diversifiers for each other?
A fair diversifier. At 0.36, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between FAST and NOC?
Using weekly returns as of 2026-08-27: 0.36 over 3 years, with 0.37 over the last year and 0.27 over 5 years.
Is NOC a good diversifier for FAST?
A fair diversifier. At 0.36, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.36 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/fast-vs-noc.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/fast-vs-noc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FAST correlations · NOC correlations
