GNRC vs MACI: Correlation
How closely do Generac (GNRC) and Melar Acquisition Corp. I - Class A (MACI) trade together? Their weekly returns over three years give a correlation of -0.15, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GNRC and MACI?
Across a 3-year window, the weekly returns of GNRC and MACI correlate at -0.15, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.06 lands near the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of -14.2 %².
Within GNRC's tracked universe of 35 assets, MACI comes in at #29 by 3-year correlation. Their 12-month results are close: +5.5% for GNRC against +4.4% for MACI. Risk is not evenly split, since GNRC carries 22.0 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.
GNRC vs MACI: side by side
| GNRC (Generac) | MACI (Melar Acquisition Corp. I - Class A) | |
|---|---|---|
| 1-year return | +5.5% | +4.4% |
| 5-year return | -55.4% | n/a |
| Volatility (ann.) | 46.1% | 2.1% |
| Beta vs S&P 500 | 1.35 | -0.03 |
| Max drawdown (3Y) | -47.8% | -2.0% |
| Market cap | $11.6B | $0.2B |
| P/E (trailing) | 47.4 | 60.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | GNRC | MACI |
|---|---|---|
| 2022 | -71.4% | – |
| 2023 | +28.4% | – |
| 2024 | +20.0% | – |
| 2025 | -12.0% | +5.7% |
| 2026 | +44.7% | +3.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GNRC and MACI good diversifiers for each other?
Yes. With a correlation of -0.15, GNRC and MACI have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between GNRC and MACI?
The GNRC/MACI correlation stands at -0.15 on a 3-year window (1 year: -0.06, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is MACI a good diversifier for GNRC?
Yes. With a correlation of -0.15, GNRC and MACI have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.15 mean?
On the −1 to +1 scale, -0.15 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/gnrc-vs-maci.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/gnrc-vs-maci/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: GNRC correlations · MACI correlations
