DXPE vs NPK: Correlation
Measured on weekly returns over the past three years, DXP Enterprises, Inc. (DXPE) and National Presto Industries, Inc. (NPK) carry a correlation of 0.44, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DXPE and NPK?
Across a 3-year window, the weekly returns of DXPE and NPK correlate at 0.44, moderate. The relationship has been stable: the 1-year correlation (0.52) sits close to the 3-year figure. Stretching to 5 years gives 0.38, with an annualized covariance of 635.0 %².
Among the 12 assets we track against DXPE, NPK ranks #7 by 3-year correlation. The trailing year gives DXPE the advantage: +55.3% versus +44.2%, a 11.1-point spread. Note the risk asymmetry: DXPE runs 1.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
DXPE vs NPK: side by side
| DXPE (DXP Enterprises, Inc.) | NPK (National Presto Industries, Inc.) | |
|---|---|---|
| 1-year return | +55.3% | +44.2% |
| 5-year return | +542.5% | +115.3% |
| Volatility (ann.) | 49.8% | 28.9% |
| Beta vs S&P 500 | 1.41 | 0.70 |
| Max drawdown (3Y) | -33.0% | -23.3% |
| Market cap | $3.0B | $1.1B |
| P/E (trailing) | 33.5 | 25.2 |
| Dividend yield | 0.00% | 0.66% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DXPE | NPK |
|---|---|---|
| 2022 | +7.3% | -11.8% |
| 2023 | +22.3% | +23.8% |
| 2024 | +145.2% | +29.9% |
| 2025 | +32.9% | +9.6% |
| 2026 | +75.6% | +44.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DXPE and NPK good diversifiers for each other?
Reasonably. At 0.44, DXPE and NPK keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between DXPE and NPK?
Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.52 over the last year and 0.38 over 5 years.
Is NPK a good diversifier for DXPE?
Reasonably. At 0.44, DXPE and NPK keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.44 mean?
On the −1 to +1 scale, 0.44 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/dxpe-vs-npk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/dxpe-vs-npk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: DXPE correlations · NPK correlations
