DE vs TRT: Correlation
Measured on weekly returns over the past three years, Deere & Company (DE) and Trio-Tech International (TRT) 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 DE and TRT?
Over the past 3 years, DE and TRT moved with a correlation of -0.21, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.30 lands near the 3-year figure. Over 5 years the correlation is -0.11, and the annualized covariance of weekly returns is -614.1 %².
TRT is close to the least connected end of DE's tracked universe, ranking #29 of 33. The last year tells two different stories: TRT led by 267.6 percentage points, +27.9% for DE against +295.5% for TRT. Note the risk asymmetry: TRT runs 4.0 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.
DE vs TRT: side by side
| DE (Deere & Company) | TRT (Trio-Tech International) | |
|---|---|---|
| 1-year return | +27.9% | +295.5% |
| 5-year return | +74.5% | +365.8% |
| Volatility (ann.) | 26.7% | 107.4% |
| Beta vs S&P 500 | 0.65 | 0.18 |
| Max drawdown (3Y) | -19.9% | -54.6% |
| Market cap | $168.1B | – |
| P/E (trailing) | 35.2 | 209.6 |
| Dividend yield | 1.02% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | DE | TRT |
|---|---|---|
| 2022 | +26.6% | -66.5% |
| 2023 | -5.5% | +12.7% |
| 2024 | +7.6% | +14.6% |
| 2025 | +11.4% | +127.9% |
| 2026 | +34.5% | +58.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DE and TRT 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 DE and TRT?
Using weekly returns as of 2026-08-27: -0.21 over 3 years, with -0.30 over the last year and -0.11 over 5 years.
Is TRT a good diversifier for DE?
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/de-vs-trt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/de-vs-trt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DE correlations · TRT correlations
