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CECO vs TTEC: Correlation

How closely do CECO Environmental Corp. (CECO) and TTEC Holdings, Inc. (TTEC) trade together? Their weekly returns over three years give a correlation of -0.26, which is negative.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
-0.26
negative
Correlation (1Y)
-0.24
last 12 months
Correlation (5Y)
-0.13
long-run
Ann. covariance
-1180.1
%² · weekly, annualized

How correlated are CECO and TTEC?

Across a 3-year window, the weekly returns of CECO and TTEC correlate at -0.26, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.24) sits close to the 3-year figure. Stretching to 5 years gives -0.13, with an annualized covariance of -1180.1 %².

TTEC is close to the least connected end of CECO's tracked universe, ranking #10 of 12. The last year tells two different stories: CECO led by 116.5 percentage points, +54.1% for CECO against -62.4% for TTEC. One caveat on sizing: TTEC is 1.6 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.

CECO vs TTEC: side by side

CECO (CECO Environmental Corp.)TTEC (TTEC Holdings, Inc.)
1-year return+54.1%-62.4%
5-year return+853.0%-98.6%
Volatility (ann.)54.0%83.7%
Beta vs S&P 5000.971.01
Max drawdown (3Y)-47.9%-95.4%
Market cap$4.2B$0.1B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: CECO -47.9% vs -95.4%Higher 5y return: CECO +853.0% vs -98.6%
-64%0%+109%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CECO · TTEC

Year-by-year returns

YearCECOTTEC
2022+87.5%-50.4%
2023+73.6%-49.1%
2024+49.1%-76.8%
2025+98.0%-27.9%
2026+20.5%-61.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are CECO and TTEC good diversifiers for each other?

Yes. With a correlation of -0.26, CECO and TTEC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between CECO and TTEC?

The CECO/TTEC correlation stands at -0.26 on a 3-year window (1 year: -0.24, 5 years: -0.13), computed from weekly returns as of 2026-08-27.

Is TTEC a good diversifier for CECO?

Yes. With a correlation of -0.26, CECO and TTEC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.26 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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CECO vs TTEC: 3-year weekly correlation -0.26CECO vs TTEC-0.26

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Related comparisons

Hubs: CECO correlations · TTEC correlations