CET vs VTI: Correlation
Central Securities Corporation (CET) and Vanguard Total Stock Market ETF (VTI) show a very strong relationship: their 3-year correlation of weekly returns is 0.89.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CET and VTI?
Over the past 3 years, CET and VTI moved with a correlation of 0.89, which is very strong, meaning they move nearly in lockstep. Little has changed lately, as the 1-year reading of 0.83 lands near the 3-year figure. Over 5 years the correlation is 0.87, and the annualized covariance of weekly returns is 166.8 %².
By 3-year correlation, VTI places #4 of the 38 assets tracked against CET. The trailing year gives VTI the advantage: +15.7% versus +20.7%, a 5.0-point spread.
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 VTI: side by side
| CET (Central Securities Corporation) | VTI (Vanguard Total Stock Market ETF) | |
|---|---|---|
| 1-year return | +15.7% | +20.7% |
| 5-year return | +73.3% | +74.8% |
| Volatility (ann.) | 12.8% | 14.6% |
| Beta vs S&P 500 | 0.78 | 1.01 |
| Max drawdown (3Y) | -15.4% | -19.3% |
| Market cap | – | – |
| P/E (trailing) | 7.3 | – |
| Dividend yield | 5.03% | 1.06% |
| Expense ratio | – | 0.03% |
| Assets under management | – | $2,290.0B |
| Sector / category | US Listed | ETF · US Large Cap |
VTI, Vanguard's Large Blend fund, carries $2,290.0B under management, 3140 holdings, a 0.03% expense ratio, a 1.06% trailing dividend yield.
Year-by-year returns
| Year | CET | VTI |
|---|---|---|
| 2022 | -19.7% | -19.5% |
| 2023 | +19.2% | +26.0% |
| 2024 | +26.8% | +23.8% |
| 2025 | +17.2% | +17.1% |
| 2026 | +8.3% | +14.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CET and VTI good diversifiers for each other?
Not really. At 0.89, the two trade almost as one position, and owning both buys little extra protection.
FAQ
What is the correlation between CET and VTI?
As of 2026-08-27, the correlation of weekly returns between CET and VTI is 0.89 over 3 years, 0.83 over 1 year and 0.87 over 5 years.
Is VTI a good diversifier for CET?
Not really. At 0.89, the two trade almost as one position, and owning both buys little extra protection.
What does a correlation of 0.89 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/cet-vs-vti.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cet-vs-vti/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CET correlations · VTI correlations