CET vs TROW: Correlation
How closely do Central Securities Corporation (CET) and T. Rowe Price (TROW) trade together? Their weekly returns over three years give a correlation of 0.69, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CET and TROW?
Over the past 3 years, CET and TROW moved with a correlation of 0.69, which is strong. The past 12 months show a weaker link (0.40) than the 3-year average (0.69). Over 5 years the correlation is 0.70, and the annualized covariance of weekly returns is 206.6 %².
By 3-year correlation, TROW places #9 of the 38 assets tracked against CET. The trailing year gives CET the advantage: +15.7% versus +8.1%, a 7.6-point spread. Note the risk asymmetry: TROW runs 1.8 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 TROW: side by side
| CET (Central Securities Corporation) | TROW (T. Rowe Price) | |
|---|---|---|
| 1-year return | +15.7% | +8.1% |
| 5-year return | +73.3% | -37.0% |
| Volatility (ann.) | 12.8% | 23.5% |
| Beta vs S&P 500 | 0.78 | 1.10 |
| Max drawdown (3Y) | -15.4% | -34.0% |
| Market cap | – | $24.0B |
| P/E (trailing) | 7.3 | 11.3 |
| Dividend yield | 5.03% | 4.57% |
| Sector / category | US Listed | Financials |
Year-by-year returns
| Year | CET | TROW |
|---|---|---|
| 2022 | -19.7% | -42.2% |
| 2023 | +19.2% | +3.4% |
| 2024 | +26.8% | +9.7% |
| 2025 | +17.2% | -4.7% |
| 2026 | +8.3% | +12.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CET and TROW good diversifiers for each other?
Somewhat, no more. With 0.69 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between CET and TROW?
The CET/TROW correlation stands at 0.69 on a 3-year window (1 year: 0.40, 5 years: 0.70), computed from weekly returns as of 2026-08-27.
Is TROW a good diversifier for CET?
Somewhat, no more. With 0.69 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.69 mean?
On the −1 to +1 scale, 0.69 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/cet-vs-trow.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cet-vs-trow/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CET correlations · TROW correlations
