CDTG vs MAR: Correlation
Measured on weekly returns over the past three years, CDT Environmental Technology Investment Holdings Limited (CDTG) and Marriott International (MAR) carry a correlation of -0.20, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CDTG and MAR?
On 3 years of weekly data the CDTG/MAR correlation comes out at -0.20, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.18) sits close to the 3-year figure. The 5-year figure is n/a, and annualized covariance runs at -815.3 %².
Within CDTG's tracked universe of 34 assets, MAR comes in at #14 by 3-year correlation. Correlation aside, the last 12 months split them widely, with MAR ahead by 124.9 points (-92.6% versus +32.3%). Risk is not evenly split, since CDTG carries 6.5 times the volatility of the other side.
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 MAR: side by side
| CDTG (CDT Environmental Technology Investment Holdings Limited) | MAR (Marriott International) | |
|---|---|---|
| 1-year return | -92.6% | +32.3% |
| 5-year return | n/a | +173.2% |
| Volatility (ann.) | 160.6% | 24.6% |
| Beta vs S&P 500 | 0.42 | 0.97 |
| Max drawdown (3Y) | -99.2% | -30.5% |
| Market cap | – | $92.3B |
| P/E (trailing) | – | 36.7 |
| Dividend yield | 0.00% | 0.76% |
| Sector / category | US Listed | Consumer Discretionary |
Year-by-year returns
| Year | CDTG | MAR |
|---|---|---|
| 2022 | – | -9.3% |
| 2023 | – | +53.1% |
| 2024 | – | +24.9% |
| 2025 | -92.2% | +12.3% |
| 2026 | -87.0% | +14.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CDTG and MAR good diversifiers for each other?
Yes. With a correlation of -0.20, CDTG and MAR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CDTG and MAR?
Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.18 over the last year and n/a over 5 years.
Is MAR a good diversifier for CDTG?
Yes. With a correlation of -0.20, CDTG and MAR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.20 mean?
On the −1 to +1 scale, -0.20 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-mar.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cdtg-vs-mar/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CDTG correlations · MAR correlations
