EFX vs TRT: Correlation
Measured on weekly returns over the past three years, Equifax (EFX) and Trio-Tech International (TRT) carry a correlation of -0.27, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EFX and TRT?
Across a 3-year window, the weekly returns of EFX and TRT correlate at -0.27, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.43) than the 3-year average (-0.27). Stretching to 5 years gives -0.08, with an annualized covariance of -966.2 %².
TRT is close to the least connected end of EFX's tracked universe, ranking #50 of 53. Their recent paths diverged sharply: over the last 12 months TRT outperformed by 317.3 percentage points (-21.8% for EFX against +295.5% for TRT). Note the risk asymmetry: TRT runs 3.2 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.
EFX vs TRT: side by side
| EFX (Equifax) | TRT (Trio-Tech International) | |
|---|---|---|
| 1-year return | -21.8% | +295.5% |
| 5-year return | -26.0% | +365.8% |
| Volatility (ann.) | 33.3% | 107.4% |
| Beta vs S&P 500 | 1.25 | 0.18 |
| Max drawdown (3Y) | -49.7% | -54.6% |
| Market cap | $22.4B | – |
| P/E (trailing) | 33.5 | 209.6 |
| Dividend yield | 1.11% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | EFX | TRT |
|---|---|---|
| 2022 | -33.1% | -66.5% |
| 2023 | +28.2% | +12.7% |
| 2024 | +3.7% | +14.6% |
| 2025 | -14.2% | +127.9% |
| 2026 | -11.7% | +58.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EFX and TRT good diversifiers for each other?
By historical standards, yes. A correlation of -0.27 means the two rarely move for the same reasons.
FAQ
What is the correlation between EFX and TRT?
The EFX/TRT correlation stands at -0.27 on a 3-year window (1 year: -0.43, 5 years: -0.08), computed from weekly returns as of 2026-08-27.
Is TRT a good diversifier for EFX?
By historical standards, yes. A correlation of -0.27 means the two rarely move for the same reasons.
What does a correlation of -0.27 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/efx-vs-trt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/efx-vs-trt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: EFX correlations · TRT correlations
