CDTG vs ECL: Correlation
How closely do CDT Environmental Technology Investment Holdings Limited (CDTG) and Ecolab (ECL) trade together? Their weekly returns over three years give a correlation of -0.23, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CDTG and ECL?
Over the past 3 years, CDTG and ECL moved with a correlation of -0.23, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.25) sits close to the 3-year figure. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -724.6 %².
By 3-year correlation, ECL places #24 of the 34 assets tracked against CDTG. Correlation aside, the last 12 months split them widely, with ECL ahead by 95.7 points (-92.6% versus +3.1%). One caveat on sizing: CDTG is 8.2 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.
CDTG vs ECL: side by side
| CDTG (CDT Environmental Technology Investment Holdings Limited) | ECL (Ecolab) | |
|---|---|---|
| 1-year return | -92.6% | +3.1% |
| 5-year return | n/a | +34.0% |
| Volatility (ann.) | 160.6% | 19.5% |
| Beta vs S&P 500 | 0.42 | 0.64 |
| Max drawdown (3Y) | -99.2% | -20.1% |
| Market cap | – | $80.1B |
| P/E (trailing) | – | 39.1 |
| Dividend yield | 0.00% | 0.98% |
| Sector / category | US Listed | Materials |
Year-by-year returns
| Year | CDTG | ECL |
|---|---|---|
| 2022 | – | -37.1% |
| 2023 | – | +37.9% |
| 2024 | – | +19.3% |
| 2025 | -92.2% | +13.2% |
| 2026 | -87.0% | +9.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CDTG and ECL good diversifiers for each other?
Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CDTG and ECL?
The CDTG/ECL correlation stands at -0.23 on a 3-year window (1 year: -0.25, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is ECL a good diversifier for CDTG?
Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.23 mean?
A reading of -0.23 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/cdtg-vs-ecl.json
Markdown for the live badge, attribution link included:
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Related comparisons
Hubs: CDTG correlations · ECL correlations
