CET vs GRMN: Correlation
Central Securities Corporation (CET) and Garmin (GRMN) show a moderate relationship: their 3-year correlation of weekly returns is 0.52.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CET and GRMN?
Over the past 3 years, CET and GRMN moved with a correlation of 0.52, which is moderate. Recent behaviour matches the longer record: 0.51 over 1 year against 0.52 over 3. Over 5 years the correlation is 0.50, and the annualized covariance of weekly returns is 229.8 %².
Among the 38 assets we track against CET, GRMN ranks #20 by 3-year correlation. Over the last 12 months GRMN came out ahead by 9.4 percentage points (+15.7% against +25.1%). Risk is not evenly split, since GRMN carries 2.7 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.
CET vs GRMN: side by side
| CET (Central Securities Corporation) | GRMN (Garmin) | |
|---|---|---|
| 1-year return | +15.7% | +25.1% |
| 5-year return | +73.3% | +80.9% |
| Volatility (ann.) | 12.8% | 34.7% |
| Beta vs S&P 500 | 0.78 | 1.06 |
| Max drawdown (3Y) | -15.4% | -28.0% |
| Market cap | – | $55.9B |
| P/E (trailing) | 7.3 | 29.9 |
| Dividend yield | 5.03% | 1.45% |
| Sector / category | US Listed | Consumer Discretionary |
Year-by-year returns
| Year | CET | GRMN |
|---|---|---|
| 2022 | -19.7% | -30.2% |
| 2023 | +19.2% | +43.1% |
| 2024 | +26.8% | +63.3% |
| 2025 | +17.2% | -0.1% |
| 2026 | +8.3% | +44.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CET and GRMN good diversifiers for each other?
To a limited degree. At 0.52 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 CET and GRMN?
Using weekly returns as of 2026-08-27: 0.52 over 3 years, with 0.51 over the last year and 0.50 over 5 years.
Is GRMN a good diversifier for CET?
To a limited degree. At 0.52 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 0.52 mean?
A reading of 0.52 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/cet-vs-grmn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cet-vs-grmn/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CET correlations · GRMN correlations
