DIOD vs ROG: Correlation
Measured on weekly returns over the past three years, Diodes Incorporated (DIOD) and Rogers Corporation (ROG) carry a correlation of 0.60, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DIOD and ROG?
Across a 3-year window, the weekly returns of DIOD and ROG correlate at 0.60, strong. Little has changed lately, as the 1-year reading of 0.63 lands near the 3-year figure. Stretching to 5 years gives 0.43, with an annualized covariance of 1036.3 %².
Within DIOD's tracked universe of 25 assets, ROG comes in at #13 by 3-year correlation. Twelve-month performance is nearly a tie, at +61.7% for DIOD and +62.8% for ROG.
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.
DIOD vs ROG: side by side
| DIOD (Diodes Incorporated) | ROG (Rogers Corporation) | |
|---|---|---|
| 1-year return | +61.7% | +62.8% |
| 5-year return | -7.4% | -39.5% |
| Volatility (ann.) | 50.3% | 34.4% |
| Beta vs S&P 500 | 1.84 | 1.02 |
| Max drawdown (3Y) | -60.1% | -64.0% |
| Market cap | $4.2B | $2.3B |
| P/E (trailing) | 48.6 | 74.8 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DIOD | ROG |
|---|---|---|
| 2022 | -30.7% | -56.3% |
| 2023 | +5.8% | +10.7% |
| 2024 | -23.4% | -23.1% |
| 2025 | -20.0% | -9.9% |
| 2026 | +84.2% | +41.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DIOD and ROG good diversifiers for each other?
Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between DIOD and ROG?
Using weekly returns as of 2026-08-27: 0.60 over 3 years, with 0.63 over the last year and 0.43 over 5 years.
Is ROG a good diversifier for DIOD?
Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.60 mean?
On the −1 to +1 scale, 0.60 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/diod-vs-rog.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/diod-vs-rog/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: DIOD correlations · ROG correlations
