DHR vs TRT: Correlation
Measured on weekly returns over the past three years, Danaher Corporation (DHR) and Trio-Tech International (TRT) carry a correlation of -0.22, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DHR and TRT?
Over the past 3 years, DHR and TRT moved with a correlation of -0.22, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.34 versus -0.22 over 3 years. Over 5 years the correlation is -0.04, and the annualized covariance of weekly returns is -699.3 %².
TRT is close to the least connected end of DHR's tracked universe, ranking #46 of 49. The last year tells two different stories: TRT led by 289.5 percentage points, +6.0% for DHR against +295.5% for TRT. Risk is not evenly split, since TRT carries 3.6 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.
DHR vs TRT: side by side
| DHR (Danaher Corporation) | TRT (Trio-Tech International) | |
|---|---|---|
| 1-year return | +6.0% | +295.5% |
| 5-year return | -23.8% | +365.8% |
| Volatility (ann.) | 29.5% | 107.4% |
| Beta vs S&P 500 | 0.82 | 0.18 |
| Max drawdown (3Y) | -41.7% | -54.6% |
| Market cap | $151.6B | – |
| P/E (trailing) | 38.4 | 209.6 |
| Dividend yield | 0.67% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | DHR | TRT |
|---|---|---|
| 2022 | -19.0% | -66.5% |
| 2023 | -1.2% | +12.7% |
| 2024 | -0.3% | +14.6% |
| 2025 | +0.4% | +127.9% |
| 2026 | -5.4% | +58.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DHR and TRT good diversifiers for each other?
Yes. With a correlation of -0.22, DHR and TRT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between DHR and TRT?
As of 2026-08-27, the correlation of weekly returns between DHR and TRT is -0.22 over 3 years, -0.34 over 1 year and -0.04 over 5 years.
Is TRT a good diversifier for DHR?
Yes. With a correlation of -0.22, DHR and TRT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.22 mean?
On the −1 to +1 scale, -0.22 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/dhr-vs-trt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/dhr-vs-trt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DHR correlations · TRT correlations
