CHTR vs TRT: Correlation
How closely do Charter Communications (CHTR) and Trio-Tech International (TRT) trade together? Their weekly returns over three years give a correlation of -0.31, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CHTR and TRT?
On 3 years of weekly data the CHTR/TRT correlation comes out at -0.31, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.47 versus -0.31 over 3 years. The 5-year figure is -0.17, and annualized covariance runs at -1365.6 %².
Out of 35 assets tracked against CHTR, TRT lands near the bottom at #35. The last year tells two different stories: TRT led by 340.4 percentage points, -44.9% for CHTR against +295.5% for TRT. Note the risk asymmetry: TRT runs 2.6 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.
CHTR vs TRT: side by side
| CHTR (Charter Communications) | TRT (Trio-Tech International) | |
|---|---|---|
| 1-year return | -44.9% | +295.5% |
| 5-year return | -81.8% | +365.8% |
| Volatility (ann.) | 41.3% | 107.4% |
| Beta vs S&P 500 | 0.74 | 0.18 |
| Max drawdown (3Y) | -72.9% | -54.6% |
| Market cap | $20.0B | – |
| P/E (trailing) | 4.0 | 209.6 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Communication Services | US Listed |
Year-by-year returns
| Year | CHTR | TRT |
|---|---|---|
| 2022 | -48.0% | -66.5% |
| 2023 | +14.6% | +12.7% |
| 2024 | -11.8% | +14.6% |
| 2025 | -39.1% | +127.9% |
| 2026 | -28.9% | +58.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CHTR and TRT good diversifiers for each other?
Yes: at -0.31, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CHTR and TRT?
Using weekly returns as of 2026-08-27: -0.31 over 3 years, with -0.47 over the last year and -0.17 over 5 years.
Is TRT a good diversifier for CHTR?
Yes: at -0.31, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.31 mean?
A reading of -0.31 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/chtr-vs-trt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/chtr-vs-trt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CHTR correlations · TRT correlations
