CDTG vs HST: Correlation
Measured on weekly returns over the past three years, CDT Environmental Technology Investment Holdings Limited (CDTG) and Host Hotels & Resorts (HST) 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 HST?
On 3 years of weekly data the CDTG/HST correlation comes out at -0.21, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.27 over 1 year against -0.21 over 3. The 5-year figure is n/a, and annualized covariance runs at -818.0 %².
Within CDTG's tracked universe of 34 assets, HST comes in at #17 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months HST outperformed by 131.8 percentage points (-92.6% for CDTG against +39.2% for HST). Note the risk asymmetry: CDTG runs 6.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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 HST: side by side
| CDTG (CDT Environmental Technology Investment Holdings Limited) | HST (Host Hotels & Resorts) | |
|---|---|---|
| 1-year return | -92.6% | +39.2% |
| 5-year return | n/a | +73.4% |
| Volatility (ann.) | 160.6% | 24.2% |
| Beta vs S&P 500 | 0.42 | 0.78 |
| Max drawdown (3Y) | -99.2% | -36.0% |
| Market cap | – | $15.5B |
| P/E (trailing) | – | 15.1 |
| Dividend yield | 0.00% | 3.57% |
| Sector / category | US Listed | Real Estate |
Year-by-year returns
| Year | CDTG | HST |
|---|---|---|
| 2022 | – | -4.6% |
| 2023 | – | +27.6% |
| 2024 | – | -5.5% |
| 2025 | -92.2% | +7.2% |
| 2026 | -87.0% | +32.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CDTG and HST 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 HST?
The CDTG/HST correlation stands at -0.21 on a 3-year window (1 year: -0.27, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is HST 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-hst.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cdtg-vs-hst/)
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Related comparisons
Hubs: CDTG correlations · HST correlations
