BBY vs TRT: Correlation
How closely do Best Buy (BBY) and Trio-Tech International (TRT) trade together? Their weekly returns over three years give a correlation of -0.22, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BBY and TRT?
On 3 years of weekly data the BBY/TRT correlation comes out at -0.22, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.30 over 1 year against -0.22 over 3. The 5-year figure is -0.11, and annualized covariance runs at -909.3 %².
Out of 33 assets tracked against BBY, TRT lands near the bottom at #30. The last year tells two different stories: TRT led by 278.6 percentage points, +16.9% for BBY against +295.5% for TRT. Risk is not evenly split, since TRT carries 2.9 times the volatility of the other side.
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.
BBY vs TRT: side by side
| BBY (Best Buy) | TRT (Trio-Tech International) | |
|---|---|---|
| 1-year return | +16.9% | +295.5% |
| 5-year return | -11.2% | +365.8% |
| Volatility (ann.) | 37.6% | 107.4% |
| Beta vs S&P 500 | 0.97 | 0.18 |
| Max drawdown (3Y) | -44.3% | -54.6% |
| Market cap | – | – |
| P/E (trailing) | 16.2 | 209.6 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Consumer Discretionary | US Listed |
Year-by-year returns
| Year | BBY | TRT |
|---|---|---|
| 2022 | -17.5% | -66.5% |
| 2023 | +2.5% | +12.7% |
| 2024 | +14.4% | +14.6% |
| 2025 | -17.8% | +127.9% |
| 2026 | +28.4% | +58.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BBY and TRT good diversifiers for each other?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
FAQ
What is the correlation between BBY and TRT?
Using weekly returns as of 2026-08-27: -0.22 over 3 years, with -0.30 over the last year and -0.11 over 5 years.
Is TRT a good diversifier for BBY?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
What does a correlation of -0.22 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/bby-vs-trt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bby-vs-trt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BBY correlations · TRT correlations
