CET vs FTDR: Correlation
How closely do Central Securities Corporation (CET) and Frontdoor, Inc. (FTDR) trade together? Their weekly returns over three years give a correlation of 0.49, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CET and FTDR?
On 3 years of weekly data the CET/FTDR correlation comes out at 0.49, moderate. The relationship has been stable: the 1-year correlation (0.54) sits close to the 3-year figure. The 5-year figure is 0.43, and annualized covariance runs at 274.3 %².
Within CET's tracked universe of 38 assets, FTDR comes in at #24 by 3-year correlation. The last year tells two different stories: FTDR led by 17.9 percentage points, +15.7% for CET against +33.6% for FTDR. One caveat on sizing: FTDR is 3.4 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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 FTDR: side by side
| CET (Central Securities Corporation) | FTDR (Frontdoor, Inc.) | |
|---|---|---|
| 1-year return | +15.7% | +33.6% |
| 5-year return | +73.3% | +91.0% |
| Volatility (ann.) | 12.8% | 43.8% |
| Beta vs S&P 500 | 0.78 | 1.31 |
| Max drawdown (3Y) | -15.4% | -40.6% |
| Market cap | – | $5.7B |
| P/E (trailing) | 7.3 | 21.9 |
| Dividend yield | 5.03% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CET | FTDR |
|---|---|---|
| 2022 | -19.7% | -43.2% |
| 2023 | +19.2% | +69.3% |
| 2024 | +26.8% | +55.2% |
| 2025 | +17.2% | +5.5% |
| 2026 | +8.3% | +43.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CET and FTDR good diversifiers for each other?
Reasonably. At 0.49, CET and FTDR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CET and FTDR?
Using weekly returns as of 2026-08-27: 0.49 over 3 years, with 0.54 over the last year and 0.43 over 5 years.
Is FTDR a good diversifier for CET?
Reasonably. At 0.49, CET and FTDR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.49 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.
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Related comparisons
Hubs: CET correlations · FTDR correlations