GLW vs MTSI: Correlation
How closely do Corning Inc. (GLW) and MACOM Technology Solutions Holdings, Inc. (MTSI) trade together? Their weekly returns over three years give a correlation of 0.53, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GLW and MTSI?
Across a 3-year window, the weekly returns of GLW and MTSI correlate at 0.53, moderate. The past 12 months show a tighter link (0.68) than the 3-year average (0.53). Stretching to 5 years gives 0.50, with an annualized covariance of 1093.0 %².
By 3-year correlation, MTSI places #11 of the 37 assets tracked against GLW. Correlation aside, the last 12 months split them widely, with GLW ahead by 15.9 points (+129.7% versus +113.8%).
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 MTSI: side by side
| GLW (Corning Inc.) | MTSI (MACOM Technology Solutions Holdings, Inc.) | |
|---|---|---|
| 1-year return | +129.7% | +113.8% |
| 5-year return | +331.4% | +341.3% |
| Volatility (ann.) | 42.1% | 48.7% |
| Beta vs S&P 500 | 1.15 | 1.65 |
| Max drawdown (3Y) | -51.5% | -44.2% |
| Market cap | $131.6B | $21.2B |
| P/E (trailing) | 70.4 | 88.3 |
| Dividend yield | 0.73% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | GLW | MTSI |
|---|---|---|
| 2022 | -11.6% | -19.6% |
| 2023 | -1.2% | +47.6% |
| 2024 | +60.6% | +39.8% |
| 2025 | +87.8% | +31.8% |
| 2026 | +75.1% | +61.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GLW and MTSI good diversifiers for each other?
Somewhat, no more. With 0.53 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between GLW and MTSI?
Using weekly returns as of 2026-08-27: 0.53 over 3 years, with 0.68 over the last year and 0.50 over 5 years.
Is MTSI a good diversifier for GLW?
Somewhat, no more. With 0.53 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.53 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-mtsi.json
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[](https://www.pairbook.io/pair/glw-vs-mtsi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GLW correlations · MTSI correlations
