DIOD vs IPGP: Correlation
Measured on weekly returns over the past three years, Diodes Incorporated (DIOD) and IPG Photonics Corporation (IPGP) carry a correlation of 0.57, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DIOD and IPGP?
On 3 years of weekly data the DIOD/IPGP correlation comes out at 0.57, moderate. Little has changed lately, as the 1-year reading of 0.47 lands near the 3-year figure. The 5-year figure is 0.57, and annualized covariance runs at 1366.5 %².
Among the 25 assets we track against DIOD, IPGP ranks #14 by 3-year correlation. The last year tells two different stories: DIOD led by 69.3 percentage points, +61.7% for DIOD against -7.6% for IPGP.
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 IPGP: side by side
| DIOD (Diodes Incorporated) | IPGP (IPG Photonics Corporation) | |
|---|---|---|
| 1-year return | +61.7% | -7.6% |
| 5-year return | -7.4% | -55.1% |
| Volatility (ann.) | 50.3% | 48.0% |
| Beta vs S&P 500 | 1.84 | 1.24 |
| Max drawdown (3Y) | -60.1% | -55.1% |
| Market cap | $4.2B | $3.3B |
| P/E (trailing) | 48.6 | 113.6 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DIOD | IPGP |
|---|---|---|
| 2022 | -30.7% | -45.0% |
| 2023 | +5.8% | +14.7% |
| 2024 | -23.4% | -33.0% |
| 2025 | -20.0% | -1.5% |
| 2026 | +84.2% | +7.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DIOD and IPGP good diversifiers for each other?
Somewhat, no more. With 0.57 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between DIOD and IPGP?
As of 2026-08-27, the correlation of weekly returns between DIOD and IPGP is 0.57 over 3 years, 0.47 over 1 year and 0.57 over 5 years.
Is IPGP a good diversifier for DIOD?
Somewhat, no more. With 0.57 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.57 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/diod-vs-ipgp.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/diod-vs-ipgp/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DIOD correlations · IPGP correlations
