CET vs MA: Correlation
Central Securities Corporation (CET) and Mastercard (MA) show a moderate relationship: their 3-year correlation of weekly returns is 0.59.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CET and MA?
Across a 3-year window, the weekly returns of CET and MA correlate at 0.59, moderate. The link has loosened recently: the 1-year correlation (0.40) runs below the 3-year figure (0.59). Stretching to 5 years gives 0.60, with an annualized covariance of 145.1 %².
Within CET's tracked universe of 38 assets, MA comes in at #11 by 3-year correlation. Over the last 12 months CET came out ahead by 14.9 percentage points (+15.7% against +0.8%). Note the risk asymmetry: MA runs 1.5 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 MA: side by side
| CET (Central Securities Corporation) | MA (Mastercard) | |
|---|---|---|
| 1-year return | +15.7% | +0.8% |
| 5-year return | +73.3% | +72.6% |
| Volatility (ann.) | 12.8% | 19.3% |
| Beta vs S&P 500 | 0.78 | 0.77 |
| Max drawdown (3Y) | -15.4% | -20.9% |
| Market cap | – | $518.4B |
| P/E (trailing) | 7.3 | 32.9 |
| Dividend yield | 5.03% | 0.56% |
| Sector / category | US Listed | Financials |
Year-by-year returns
| Year | CET | MA |
|---|---|---|
| 2022 | -19.7% | -2.7% |
| 2023 | +19.2% | +23.4% |
| 2024 | +26.8% | +24.2% |
| 2025 | +17.2% | +9.0% |
| 2026 | +8.3% | +4.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CET and MA good diversifiers for each other?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between CET and MA?
The CET/MA correlation stands at 0.59 on a 3-year window (1 year: 0.40, 5 years: 0.60), computed from weekly returns as of 2026-08-27.
Is MA a good diversifier for CET?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.59 mean?
A reading of 0.59 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-ma.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cet-vs-ma/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CET correlations · MA correlations
