DCO vs XLI: Correlation
How closely do Ducommun Incorporated (DCO) and Industrial Select Sector SPDR Fund (XLI) trade together? Their weekly returns over three years give a correlation of 0.52, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DCO and XLI?
Across a 3-year window, the weekly returns of DCO and XLI correlate at 0.52, moderate. Little has changed lately, as the 1-year reading of 0.62 lands near the 3-year figure. Stretching to 5 years gives 0.56, with an annualized covariance of 246.8 %².
Among the 12 assets we track against DCO, XLI ranks #4 by 3-year correlation. Correlation aside, the last 12 months split them widely, with DCO ahead by 81.2 points (+99.5% versus +18.3%). Risk is not evenly split, since DCO carries 1.9 times the volatility of the other side.
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 XLI: side by side
| DCO (Ducommun Incorporated) | XLI (Industrial Select Sector SPDR Fund) | |
|---|---|---|
| 1-year return | +99.5% | +18.3% |
| 5-year return | +248.0% | +84.0% |
| Volatility (ann.) | 30.0% | 15.7% |
| Beta vs S&P 500 | 0.78 | 0.89 |
| Max drawdown (3Y) | -23.5% | -18.5% |
| Market cap | $2.8B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.15% |
| Expense ratio | – | 0.08% |
| Assets under management | – | $32.9B |
| Sector / category | US Listed | Sector ETF |
XLI is an Industrials fund from State Street Investment Management: $32.9B under management, 83 holdings, a 0.08% expense ratio, a 1.15% trailing dividend yield.
Year-by-year returns
| Year | DCO | XLI |
|---|---|---|
| 2022 | +6.8% | -5.6% |
| 2023 | +4.2% | +18.1% |
| 2024 | +22.3% | +17.3% |
| 2025 | +49.4% | +19.3% |
| 2026 | +93.3% | +15.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DCO and XLI good diversifiers for each other?
Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between DCO and XLI?
Using weekly returns as of 2026-08-27: 0.52 over 3 years, with 0.62 over the last year and 0.56 over 5 years.
Is XLI a good diversifier for DCO?
Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.52 mean?
On the −1 to +1 scale, 0.52 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-xli.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/dco-vs-xli/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DCO correlations · XLI correlations
