GLW vs LITE: Correlation
Corning Inc. (GLW) and Lumentum (LITE) show a moderate relationship: their 3-year correlation of weekly returns is 0.52.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GLW and LITE?
Over the past 3 years, GLW and LITE moved with a correlation of 0.52, which is moderate. The relationship has been stable: the 1-year correlation (0.47) sits close to the 3-year figure. Over 5 years the correlation is 0.51, and the annualized covariance of weekly returns is 1437.8 %².
Within GLW's tracked universe of 37 assets, LITE comes in at #13 by 3-year correlation. The last year tells two different stories: LITE led by 530.1 percentage points, +129.7% for GLW against +659.8% for LITE. Across three years, the rolling one-year figure varied moderately, from 0.36 to 0.72. One caveat on sizing: LITE is 1.6 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.
GLW vs LITE: side by side
| GLW (Corning Inc.) | LITE (Lumentum) | |
|---|---|---|
| 1-year return | +129.7% | +659.8% |
| 5-year return | +331.4% | +998.1% |
| Volatility (ann.) | 42.1% | 65.5% |
| Beta vs S&P 500 | 1.15 | 2.36 |
| Max drawdown (3Y) | -51.5% | -50.6% |
| Market cap | $131.6B | $85.8B |
| P/E (trailing) | 70.4 | – |
| Dividend yield | 0.73% | 0.00% |
| Sector / category | Information Technology | Information Technology |
Year-by-year returns
| Year | GLW | LITE |
|---|---|---|
| 2022 | -11.6% | -50.7% |
| 2023 | -1.2% | +0.5% |
| 2024 | +60.6% | +60.1% |
| 2025 | +87.8% | +339.1% |
| 2026 | +75.1% | +159.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GLW and LITE good diversifiers for each other?
Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between GLW and LITE?
The GLW/LITE correlation stands at 0.52 on a 3-year window (1 year: 0.47, 5 years: 0.51), computed from weekly returns as of 2026-08-27.
Is LITE a good diversifier for GLW?
Somewhat, no more. With 0.52 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.52 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/glw-vs-lite.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/glw-vs-lite/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: GLW correlations · LITE correlations
