CDTG vs CDW: Correlation
Measured on weekly returns over the past three years, CDT Environmental Technology Investment Holdings Limited (CDTG) and CDW Corporation (CDW) carry a correlation of -0.21, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CDTG and CDW?
On 3 years of weekly data the CDTG/CDW correlation comes out at -0.21, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.16) sits close to the 3-year figure. The 5-year figure is n/a, and annualized covariance runs at -1239.0 %².
Within CDTG's tracked universe of 34 assets, CDW comes in at #16 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months CDW outperformed by 84.6 percentage points (-92.6% for CDTG against -8.0% for CDW). One caveat on sizing: CDTG is 4.7 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 CDW: side by side
| CDTG (CDT Environmental Technology Investment Holdings Limited) | CDW (CDW Corporation) | |
|---|---|---|
| 1-year return | -92.6% | -8.0% |
| 5-year return | n/a | -20.5% |
| Volatility (ann.) | 160.6% | 34.2% |
| Beta vs S&P 500 | 0.42 | 1.01 |
| Max drawdown (3Y) | -99.2% | -60.4% |
| Market cap | – | $18.6B |
| P/E (trailing) | – | 17.0 |
| Dividend yield | 0.00% | 1.78% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | CDTG | CDW |
|---|---|---|
| 2022 | – | -11.7% |
| 2023 | – | +28.8% |
| 2024 | – | -22.6% |
| 2025 | -92.2% | -20.6% |
| 2026 | -87.0% | +11.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CDTG and CDW good diversifiers for each other?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CDTG and CDW?
As of 2026-08-27, the correlation of weekly returns between CDTG and CDW is -0.21 over 3 years, -0.16 over 1 year and n/a over 5 years.
Is CDW a good diversifier for CDTG?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.21 mean?
On the −1 to +1 scale, -0.21 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/cdtg-vs-cdw.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cdtg-vs-cdw/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CDTG correlations · CDW correlations
