TECH vs TRT: Correlation
Bio-Techne (TECH) and Trio-Tech International (TRT) show a negative relationship: their 3-year correlation of weekly returns is -0.19.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are TECH and TRT?
Across a 3-year window, the weekly returns of TECH and TRT correlate at -0.19, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.27) sits close to the 3-year figure. Stretching to 5 years gives -0.05, with an annualized covariance of -842.1 %².
Out of 39 assets tracked against TECH, TRT lands near the bottom at #35. Correlation aside, the last 12 months split them widely, with TRT ahead by 265.9 points (+29.6% versus +295.5%). One caveat on sizing: TRT is 2.6 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.
TECH vs TRT: side by side
| TECH (Bio-Techne) | TRT (Trio-Tech International) | |
|---|---|---|
| 1-year return | +29.6% | +295.5% |
| 5-year return | -41.4% | +365.8% |
| Volatility (ann.) | 41.9% | 107.4% |
| Beta vs S&P 500 | 0.90 | 0.18 |
| Max drawdown (3Y) | -48.1% | -54.6% |
| Market cap | $11.4B | – |
| P/E (trailing) | 62.5 | 209.6 |
| Dividend yield | 0.44% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | TECH | TRT |
|---|---|---|
| 2022 | -35.7% | -66.5% |
| 2023 | -6.5% | +12.7% |
| 2024 | -6.2% | +14.6% |
| 2025 | -17.9% | +127.9% |
| 2026 | +23.8% | +58.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are TECH and TRT good diversifiers for each other?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
FAQ
What is the correlation between TECH and TRT?
Using weekly returns as of 2026-08-27: -0.19 over 3 years, with -0.27 over the last year and -0.05 over 5 years.
Is TRT a good diversifier for TECH?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
What does a correlation of -0.19 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/tech-vs-trt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/tech-vs-trt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: TECH correlations · TRT correlations
