GNTX vs R: Correlation
Measured on weekly returns over the past three years, Gentex Corporation (GNTX) and Ryder System, Inc. (R) carry a correlation of 0.53, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GNTX and R?
Over the past 3 years, GNTX and R moved with a correlation of 0.53, which is moderate. Recent behaviour matches the longer record: 0.61 over 1 year against 0.53 over 3. Over 5 years the correlation is 0.50, and the annualized covariance of weekly returns is 412.1 %².
Within GNTX's tracked universe of 12 assets, R comes in at #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months R outperformed by 52.1 percentage points (-17.2% for GNTX against +34.9% for R).
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 R: side by side
| GNTX (Gentex Corporation) | R (Ryder System, Inc.) | |
|---|---|---|
| 1-year return | -17.2% | +34.9% |
| 5-year return | -18.8% | +245.8% |
| Volatility (ann.) | 24.9% | 31.1% |
| Beta vs S&P 500 | 0.61 | 1.09 |
| Max drawdown (3Y) | -43.0% | -23.9% |
| Market cap | $4.9B | $9.5B |
| P/E (trailing) | 12.2 | 20.3 |
| Dividend yield | 2.01% | 1.46% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GNTX | R |
|---|---|---|
| 2022 | -20.4% | +4.4% |
| 2023 | +21.8% | +41.6% |
| 2024 | -10.7% | +39.5% |
| 2025 | -17.4% | +24.5% |
| 2026 | +0.7% | +31.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GNTX and R good diversifiers for each other?
Only partially. A correlation of 0.53 means GNTX and R share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between GNTX and R?
Using weekly returns as of 2026-08-27: 0.53 over 3 years, with 0.61 over the last year and 0.50 over 5 years.
Is R a good diversifier for GNTX?
Only partially. A correlation of 0.53 means GNTX and R share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.53 mean?
On the −1 to +1 scale, 0.53 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/gntx-vs-r.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/gntx-vs-r/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: GNTX correlations · R correlations
