BYD vs TRT: Correlation
Boyd Gaming Corporation (BYD) and Trio-Tech International (TRT) show a negative relationship: their 3-year correlation of weekly returns is -0.27.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BYD and TRT?
Across a 3-year window, the weekly returns of BYD and TRT correlate at -0.27, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.42) runs below the 3-year figure (-0.27). Stretching to 5 years gives -0.10, with an annualized covariance of -732.6 %².
Among the 11 assets we track against BYD, TRT sits near the bottom by co-movement, at rank #9. Their recent paths diverged sharply: over the last 12 months TRT outperformed by 303.5 percentage points (-8.0% for BYD against +295.5% for TRT). Note the risk asymmetry: TRT runs 4.3 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.
BYD vs TRT: side by side
| BYD (Boyd Gaming Corporation) | TRT (Trio-Tech International) | |
|---|---|---|
| 1-year return | -8.0% | +295.5% |
| 5-year return | +34.3% | +365.8% |
| Volatility (ann.) | 25.2% | 107.4% |
| Beta vs S&P 500 | 0.73 | 0.18 |
| Max drawdown (3Y) | -25.6% | -54.6% |
| Market cap | $5.8B | – |
| P/E (trailing) | 3.6 | 209.6 |
| Dividend yield | 0.94% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BYD | TRT |
|---|---|---|
| 2022 | -15.9% | -66.5% |
| 2023 | +16.0% | +12.7% |
| 2024 | +17.1% | +14.6% |
| 2025 | +18.6% | +127.9% |
| 2026 | -6.1% | +58.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BYD and TRT good diversifiers for each other?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BYD and TRT?
Using weekly returns as of 2026-08-27: -0.27 over 3 years, with -0.42 over the last year and -0.10 over 5 years.
Is TRT a good diversifier for BYD?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
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/byd-vs-trt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/byd-vs-trt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BYD correlations · TRT correlations
