GLW vs JKHY: Correlation
Corning Inc. (GLW) and Jack Henry & Associates (JKHY) show a negative relationship: their 3-year correlation of weekly returns is -0.26.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GLW and JKHY?
Across a 3-year window, the weekly returns of GLW and JKHY correlate at -0.26, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.45) runs below the 3-year figure (-0.26). Stretching to 5 years gives -0.07, with an annualized covariance of -250.1 %².
Within GLW's tracked universe of 37 assets, JKHY comes in at #30 by 3-year correlation. Correlation aside, the last 12 months split them widely, with GLW ahead by 123.9 points (+129.7% versus +5.8%). Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from -0.56 to 0.47. Note the risk asymmetry: GLW runs 1.8 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.
GLW vs JKHY: side by side
| GLW (Corning Inc.) | JKHY (Jack Henry & Associates) | |
|---|---|---|
| 1-year return | +129.7% | +5.8% |
| 5-year return | +331.4% | +2.6% |
| Volatility (ann.) | 42.1% | 23.0% |
| Beta vs S&P 500 | 1.15 | 0.21 |
| Max drawdown (3Y) | -51.5% | -35.4% |
| Market cap | $131.6B | $12.1B |
| P/E (trailing) | 70.4 | 24.7 |
| Dividend yield | 0.73% | 1.38% |
| Sector / category | Information Technology | Financials |
Year-by-year returns
| Year | GLW | JKHY |
|---|---|---|
| 2022 | -11.6% | +6.2% |
| 2023 | -1.2% | -5.7% |
| 2024 | +60.6% | +8.7% |
| 2025 | +87.8% | +5.5% |
| 2026 | +75.1% | -6.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GLW and JKHY good diversifiers for each other?
Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between GLW and JKHY?
The GLW/JKHY correlation stands at -0.26 on a 3-year window (1 year: -0.45, 5 years: -0.07), computed from weekly returns as of 2026-08-27.
Is JKHY a good diversifier for GLW?
Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.26 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-jkhy.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/glw-vs-jkhy/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GLW correlations · JKHY correlations
