O vs TRT: Correlation
How closely do Realty Income (O) and Trio-Tech International (TRT) trade together? Their weekly returns over three years give a correlation of -0.20, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are O and TRT?
Over the past 3 years, O and TRT moved with a correlation of -0.20, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.33 versus -0.20 over 3 years. Over 5 years the correlation is -0.08, and the annualized covariance of weekly returns is -379.6 %².
Among the 44 assets we track against O, TRT sits near the bottom by co-movement, at rank #41. Their recent paths diverged sharply: over the last 12 months TRT outperformed by 284.2 percentage points (+11.3% for O against +295.5% for TRT). Risk is not evenly split, since TRT carries 6.2 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.
O vs TRT: side by side
| O (Realty Income) | TRT (Trio-Tech International) | |
|---|---|---|
| 1-year return | +11.3% | +295.5% |
| 5-year return | +14.5% | +365.8% |
| Volatility (ann.) | 17.3% | 107.4% |
| Beta vs S&P 500 | 0.21 | 0.18 |
| Max drawdown (3Y) | -19.3% | -54.6% |
| Market cap | $58.5B | – |
| P/E (trailing) | 45.4 | 209.6 |
| Dividend yield | 5.20% | 0.00% |
| Sector / category | Real Estate | US Listed |
Year-by-year returns
| Year | O | TRT |
|---|---|---|
| 2022 | -7.4% | -66.5% |
| 2023 | -4.5% | +12.7% |
| 2024 | -2.1% | +14.6% |
| 2025 | +12.2% | +127.9% |
| 2026 | +13.0% | +58.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are O and TRT good diversifiers for each other?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
FAQ
What is the correlation between O and TRT?
The O/TRT correlation stands at -0.20 on a 3-year window (1 year: -0.33, 5 years: -0.08), computed from weekly returns as of 2026-08-27.
Is TRT a good diversifier for O?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
What does a correlation of -0.20 mean?
A reading of -0.20 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/o-vs-trt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/o-vs-trt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: O correlations · TRT correlations