GNRC vs MTRN: Correlation
How closely do Generac (GNRC) and Materion Corporation (MTRN) trade together? Their weekly returns over three years give a correlation of 0.53, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GNRC and MTRN?
On 3 years of weekly data the GNRC/MTRN correlation comes out at 0.53, moderate. Little has changed lately, as the 1-year reading of 0.46 lands near the 3-year figure. The 5-year figure is 0.43, and annualized covariance runs at 1109.5 %².
Among the 35 assets we track against GNRC, MTRN ranks #12 by 3-year correlation. The last year tells two different stories: MTRN led by 118.1 percentage points, +5.5% for GNRC against +123.6% for MTRN.
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.
GNRC vs MTRN: side by side
| GNRC (Generac) | MTRN (Materion Corporation) | |
|---|---|---|
| 1-year return | +5.5% | +123.6% |
| 5-year return | -55.4% | +248.3% |
| Volatility (ann.) | 46.1% | 45.7% |
| Beta vs S&P 500 | 1.35 | 1.51 |
| Max drawdown (3Y) | -47.8% | -47.8% |
| Market cap | $11.6B | $5.1B |
| P/E (trailing) | 47.4 | 54.9 |
| Dividend yield | 0.00% | 0.24% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | GNRC | MTRN |
|---|---|---|
| 2022 | -71.4% | -4.3% |
| 2023 | +28.4% | +49.4% |
| 2024 | +20.0% | -23.7% |
| 2025 | -12.0% | +26.4% |
| 2026 | +44.7% | +98.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GNRC and MTRN good diversifiers for each other?
Somewhat, no more. With 0.53 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between GNRC and MTRN?
As of 2026-08-27, the correlation of weekly returns between GNRC and MTRN is 0.53 over 3 years, 0.46 over 1 year and 0.43 over 5 years.
Is MTRN a good diversifier for GNRC?
Somewhat, no more. With 0.53 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.53 mean?
A reading of 0.53 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/gnrc-vs-mtrn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/gnrc-vs-mtrn/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GNRC correlations · MTRN correlations
