TRT vs WASH: Correlation
Measured on weekly returns over the past three years, Trio-Tech International (TRT) and Washington Trust Bancorp, Inc. (WASH) carry a correlation of -0.30, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are TRT and WASH?
On 3 years of weekly data the TRT/WASH correlation comes out at -0.30, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.61) than the 3-year average (-0.30). The 5-year figure is -0.17, and annualized covariance runs at -1108.1 %².
Among the 104 assets we track against TRT, WASH sits near the bottom by co-movement, at rank #100. Correlation aside, the last 12 months split them widely, with TRT ahead by 255.4 points (+295.5% versus +40.1%). One caveat on sizing: TRT is 3.1 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.
TRT vs WASH: side by side
| TRT (Trio-Tech International) | WASH (Washington Trust Bancorp, Inc.) | |
|---|---|---|
| 1-year return | +295.5% | +40.1% |
| 5-year return | +365.8% | +4.8% |
| Volatility (ann.) | 107.4% | 34.9% |
| Beta vs S&P 500 | 0.18 | 1.04 |
| Max drawdown (3Y) | -54.6% | -32.3% |
| Market cap | – | $0.8B |
| P/E (trailing) | 209.6 | 13.7 |
| Dividend yield | 0.00% | 5.64% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | TRT | WASH |
|---|---|---|
| 2022 | -66.5% | -12.5% |
| 2023 | +12.7% | -26.1% |
| 2024 | +14.6% | +2.7% |
| 2025 | +127.9% | +1.7% |
| 2026 | +58.3% | +41.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are TRT and WASH good diversifiers for each other?
Yes: at -0.30, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between TRT and WASH?
As of 2026-08-27, the correlation of weekly returns between TRT and WASH is -0.30 over 3 years, -0.61 over 1 year and -0.17 over 5 years.
Is WASH a good diversifier for TRT?
Yes: at -0.30, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.30 mean?
On the −1 to +1 scale, -0.30 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/trt-vs-wash.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/trt-vs-wash/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: TRT correlations · WASH correlations
