A vs TRT: Correlation
Agilent Technologies (A) and Trio-Tech International (TRT) show a negative relationship: their 3-year correlation of weekly returns is -0.15.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are A and TRT?
Over the past 3 years, A and TRT moved with a correlation of -0.15, which is negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.23 over 1 year against -0.15 over 3. Over 5 years the correlation is -0.01, and the annualized covariance of weekly returns is -504.7 %².
Among the 33 assets we track against A, TRT ranks #25 by 3-year correlation. Correlation aside, the last 12 months split them widely, with TRT ahead by 261.6 points (+33.9% versus +295.5%). One caveat on sizing: TRT is 3.5 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.
A vs TRT: side by side
| A (Agilent Technologies) | TRT (Trio-Tech International) | |
|---|---|---|
| 1-year return | +33.9% | +295.5% |
| 5-year return | -7.5% | +365.8% |
| Volatility (ann.) | 31.0% | 107.4% |
| Beta vs S&P 500 | 0.98 | 0.18 |
| Max drawdown (3Y) | -35.3% | -54.6% |
| Market cap | $44.5B | – |
| P/E (trailing) | 30.6 | 209.6 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | A | TRT |
|---|---|---|
| 2022 | -5.5% | -66.5% |
| 2023 | -6.4% | +12.7% |
| 2024 | -2.7% | +14.6% |
| 2025 | +1.9% | +127.9% |
| 2026 | +16.6% | +58.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are A and TRT good diversifiers for each other?
Yes: at -0.15, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between A and TRT?
Using weekly returns as of 2026-08-27: -0.15 over 3 years, with -0.23 over the last year and -0.01 over 5 years.
Is TRT a good diversifier for A?
Yes: at -0.15, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.15 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/a-vs-trt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/a-vs-trt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: A correlations · TRT correlations