GLW vs QQQ: Correlation
Measured on weekly returns over the past three years, Corning Inc. (GLW) and Invesco QQQ Trust (QQQ) carry a correlation of 0.38, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GLW and QQQ?
Over the past 3 years, GLW and QQQ moved with a correlation of 0.38, which is moderate. Little has changed lately, as the 1-year reading of 0.29 lands near the 3-year figure. Over 5 years the correlation is 0.42, and the annualized covariance of weekly returns is 308.8 %².
Among the 37 assets we track against GLW, QQQ ranks #22 by 3-year correlation. Correlation aside, the last 12 months split them widely, with GLW ahead by 103.4 points (+129.7% versus +26.3%). This link changes with the market regime, having swung between 0.08 and 0.77 on a rolling one-year basis. Note the risk asymmetry: GLW runs 2.1 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 QQQ: side by side
| GLW (Corning Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +129.7% | +26.3% |
| 5-year return | +331.4% | +95.4% |
| Volatility (ann.) | 42.1% | 19.6% |
| Beta vs S&P 500 | 1.15 | 1.28 |
| Max drawdown (3Y) | -51.5% | -22.8% |
| Market cap | $131.6B | – |
| P/E (trailing) | 70.4 | – |
| Dividend yield | 0.73% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | Information Technology | ETF · US Growth & Tech |
QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | GLW | QQQ |
|---|---|---|
| 2022 | -11.6% | -32.6% |
| 2023 | -1.2% | +54.9% |
| 2024 | +60.6% | +25.6% |
| 2025 | +87.8% | +20.8% |
| 2026 | +75.1% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GLW and QQQ good diversifiers for each other?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between GLW and QQQ?
The GLW/QQQ correlation stands at 0.38 on a 3-year window (1 year: 0.29, 5 years: 0.42), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for GLW?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.38 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
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Related comparisons
Hubs: GLW correlations · QQQ correlations
