GLW vs TRI: Correlation
Corning Inc. (GLW) and Thomson Reuters Corp (TRI) show a negative relationship: their 3-year correlation of weekly returns is -0.25.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GLW and TRI?
Across a 3-year window, the weekly returns of GLW and TRI correlate at -0.25, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.41 versus -0.25 over 3 years. Stretching to 5 years gives -0.13, with an annualized covariance of -332.8 %².
Within GLW's tracked universe of 37 assets, TRI comes in at #28 by 3-year correlation. The last year tells two different stories: GLW led by 167.3 percentage points, +129.7% for GLW against -37.6% for TRI.
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.
GLW vs TRI: side by side
| GLW (Corning Inc.) | TRI (Thomson Reuters Corp) | |
|---|---|---|
| 1-year return | +129.7% | -37.6% |
| 5-year return | +331.4% | -0.4% |
| Volatility (ann.) | 42.1% | 32.0% |
| Beta vs S&P 500 | 1.15 | 0.53 |
| Max drawdown (3Y) | -51.5% | -62.9% |
| Market cap | $131.6B | $45.4B |
| P/E (trailing) | 70.4 | 27.6 |
| Dividend yield | 0.73% | 2.48% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | GLW | TRI |
|---|---|---|
| 2022 | -11.6% | -3.0% |
| 2023 | -1.2% | +30.0% |
| 2024 | +60.6% | +11.1% |
| 2025 | +87.8% | -16.6% |
| 2026 | +75.1% | -17.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GLW and TRI good diversifiers for each other?
By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.
FAQ
What is the correlation between GLW and TRI?
Using weekly returns as of 2026-08-27: -0.25 over 3 years, with -0.41 over the last year and -0.13 over 5 years.
Is TRI a good diversifier for GLW?
By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.
What does a correlation of -0.25 mean?
A reading of -0.25 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: GLW correlations · TRI correlations
