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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

Correlation (3Y)
0.49
moderate
Correlation (1Y)
0.54
last 12 months
Correlation (5Y)
0.43
long-run
Ann. covariance
274.3
%² · weekly, annualized

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 5000.781.31
Max drawdown (3Y)-15.4%-40.6%
Market cap$5.7B
P/E (trailing)7.321.9
Dividend yield5.03%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: CET 7.3 vs 21.9Higher yield: CET 5.03% vs 0.00%Smaller drawdown: CET -15.4% vs -40.6%Higher 5y return: FTDR +91.0% vs +73.3%
-20%0%+44%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CET · FTDR

Year-by-year returns

YearCETFTDR
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.

Use this data

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CET vs FTDR: 3-year weekly correlation 0.49CET vs FTDR0.49

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Hubs: CET correlations · FTDR correlations