GNTX vs MTX: Correlation
Measured on weekly returns over the past three years, Gentex Corporation (GNTX) and Minerals Technologies Inc. (MTX) 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 GNTX and MTX?
Across a 3-year window, the weekly returns of GNTX and MTX correlate at 0.57, moderate. The link has loosened recently: the 1-year correlation (0.43) runs below the 3-year figure (0.57). Stretching to 5 years gives 0.56, with an annualized covariance of 430.9 %².
MTX is one of the assets that tracks GNTX most closely: it ranks #1 out of the 12 assets we track against GNTX. Their recent paths diverged sharply: over the last 12 months MTX outperformed by 29.2 percentage points (-17.2% for GNTX against +12.0% for MTX).
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.
GNTX vs MTX: side by side
| GNTX (Gentex Corporation) | MTX (Minerals Technologies Inc.) | |
|---|---|---|
| 1-year return | -17.2% | +12.0% |
| 5-year return | -18.8% | -6.2% |
| Volatility (ann.) | 24.9% | 30.4% |
| Beta vs S&P 500 | 0.61 | 0.90 |
| Max drawdown (3Y) | -43.0% | -42.5% |
| Market cap | $4.9B | $2.3B |
| P/E (trailing) | 12.2 | – |
| Dividend yield | 2.01% | 0.65% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GNTX | MTX |
|---|---|---|
| 2022 | -20.4% | -16.7% |
| 2023 | +21.8% | +18.0% |
| 2024 | -10.7% | +7.4% |
| 2025 | -17.4% | -19.4% |
| 2026 | +0.7% | +19.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GNTX and MTX good diversifiers for each other?
To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between GNTX and MTX?
Using weekly returns as of 2026-08-27: 0.57 over 3 years, with 0.43 over the last year and 0.56 over 5 years.
Is MTX a good diversifier for GNTX?
To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
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/gntx-vs-mtx.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/gntx-vs-mtx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GNTX correlations · MTX correlations
