GLW vs LFUS: Correlation
Corning Inc. (GLW) and Littelfuse, Inc. (LFUS) show a strong relationship: their 3-year correlation of weekly returns is 0.61.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GLW and LFUS?
On 3 years of weekly data the GLW/LFUS correlation comes out at 0.61, strong. Recent behaviour matches the longer record: 0.57 over 1 year against 0.61 over 3. The 5-year figure is 0.56, and annualized covariance runs at 900.3 %².
In GLW's tracked universe of 37 assets, LFUS sits right near the top at #1. Their recent paths diverged sharply: over the last 12 months GLW outperformed by 67.7 percentage points (+129.7% for GLW against +62.0% for LFUS).
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 LFUS: side by side
| GLW (Corning Inc.) | LFUS (Littelfuse, Inc.) | |
|---|---|---|
| 1-year return | +129.7% | +62.0% |
| 5-year return | +331.4% | +53.7% |
| Volatility (ann.) | 42.1% | 35.3% |
| Beta vs S&P 500 | 1.15 | 1.44 |
| Max drawdown (3Y) | -51.5% | -45.0% |
| Market cap | $131.6B | $10.7B |
| P/E (trailing) | 70.4 | – |
| Dividend yield | 0.73% | 0.72% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | GLW | LFUS |
|---|---|---|
| 2022 | -11.6% | -29.4% |
| 2023 | -1.2% | +22.7% |
| 2024 | +60.6% | -11.0% |
| 2025 | +87.8% | +8.6% |
| 2026 | +75.1% | +67.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GLW and LFUS good diversifiers for each other?
Somewhat, no more. With 0.61 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between GLW and LFUS?
As of 2026-08-27, the correlation of weekly returns between GLW and LFUS is 0.61 over 3 years, 0.57 over 1 year and 0.56 over 5 years.
Is LFUS a good diversifier for GLW?
Somewhat, no more. With 0.61 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.61 mean?
On the −1 to +1 scale, 0.61 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/glw-vs-lfus.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/glw-vs-lfus/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GLW correlations · LFUS correlations
