DCO vs PKE: Correlation
Measured on weekly returns over the past three years, Ducommun Incorporated (DCO) and Park Aerospace Corp. (PKE) carry a correlation of 0.48, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DCO and PKE?
On 3 years of weekly data the DCO/PKE correlation comes out at 0.48, moderate. The past 12 months show a tighter link (0.60) than the 3-year average (0.48). The 5-year figure is 0.43, and annualized covariance runs at 515.8 %².
By 3-year correlation, PKE places #7 of the 12 assets tracked against DCO. The last year tells two different stories: DCO led by 23.4 percentage points, +99.5% for DCO against +76.1% for PKE.
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.
DCO vs PKE: side by side
| DCO (Ducommun Incorporated) | PKE (Park Aerospace Corp.) | |
|---|---|---|
| 1-year return | +99.5% | +76.1% |
| 5-year return | +248.0% | +176.6% |
| Volatility (ann.) | 30.0% | 36.0% |
| Beta vs S&P 500 | 0.78 | 0.80 |
| Max drawdown (3Y) | -23.5% | -26.6% |
| Market cap | $2.8B | $0.7B |
| P/E (trailing) | – | 51.8 |
| Dividend yield | 0.00% | 1.52% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DCO | PKE |
|---|---|---|
| 2022 | +6.8% | +4.9% |
| 2023 | +4.2% | +21.5% |
| 2024 | +22.3% | +3.2% |
| 2025 | +49.4% | +50.5% |
| 2026 | +93.3% | +54.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DCO and PKE good diversifiers for each other?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between DCO and PKE?
The DCO/PKE correlation stands at 0.48 on a 3-year window (1 year: 0.60, 5 years: 0.43), computed from weekly returns as of 2026-08-27.
Is PKE a good diversifier for DCO?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.48 mean?
On the −1 to +1 scale, 0.48 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/dco-vs-pke.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/dco-vs-pke/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DCO correlations · PKE correlations
