CDTG vs PKG: Correlation
CDT Environmental Technology Investment Holdings Limited (CDTG) and Packaging Corporation of America (PKG) show a negative relationship: their 3-year correlation of weekly returns is -0.17.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CDTG and PKG?
Over the past 3 years, CDTG and PKG moved with a correlation of -0.17, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.23) sits close to the 3-year figure. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -642.8 %².
Within CDTG's tracked universe of 34 assets, PKG comes in at #9 by 3-year correlation. Correlation aside, the last 12 months split them widely, with PKG ahead by 111.1 points (-92.6% versus +18.5%). One caveat on sizing: CDTG is 6.8 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 PKG: side by side
| CDTG (CDT Environmental Technology Investment Holdings Limited) | PKG (Packaging Corporation of America) | |
|---|---|---|
| 1-year return | -92.6% | +18.5% |
| 5-year return | n/a | +86.8% |
| Volatility (ann.) | 160.6% | 23.5% |
| Beta vs S&P 500 | 0.42 | 0.52 |
| Max drawdown (3Y) | -99.2% | -28.4% |
| Market cap | – | $21.7B |
| P/E (trailing) | – | 31.6 |
| Dividend yield | 0.00% | 2.13% |
| Sector / category | US Listed | Materials |
Year-by-year returns
| Year | CDTG | PKG |
|---|---|---|
| 2022 | – | -2.6% |
| 2023 | – | +31.9% |
| 2024 | – | +41.7% |
| 2025 | -92.2% | -6.1% |
| 2026 | -87.0% | +19.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CDTG and PKG good diversifiers for each other?
By historical standards, yes. A correlation of -0.17 means the two rarely move for the same reasons.
FAQ
What is the correlation between CDTG and PKG?
As of 2026-08-27, the correlation of weekly returns between CDTG and PKG is -0.17 over 3 years, -0.23 over 1 year and n/a over 5 years.
Is PKG a good diversifier for CDTG?
By historical standards, yes. A correlation of -0.17 means the two rarely move for the same reasons.
What does a correlation of -0.17 mean?
On the −1 to +1 scale, -0.17 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.
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Related comparisons
Hubs: CDTG correlations · PKG correlations
