KOPN vs QQQ: Correlation
How closely do Kopin Corporation (KOPN) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.40, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KOPN and QQQ?
Across a 3-year window, the weekly returns of KOPN and QQQ correlate at 0.40, moderate. The link has tightened recently: the 1-year correlation (0.61) runs above the 3-year figure (0.40). Stretching to 5 years gives 0.43, with an annualized covariance of 752.7 %².
Within KOPN's tracked universe of 15 assets, QQQ comes in at #9 by 3-year correlation. Correlation aside, the last 12 months split them widely, with KOPN ahead by 96.8 points (+123.1% versus +26.3%). Note the risk asymmetry: KOPN runs 4.9 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.
KOPN vs QQQ: side by side
| KOPN (Kopin Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +123.1% | +26.3% |
| 5-year return | -19.9% | +95.4% |
| Volatility (ann.) | 96.8% | 19.6% |
| Beta vs S&P 500 | 2.59 | 1.28 |
| Max drawdown (3Y) | -78.3% | -22.8% |
| Market cap | $0.9B | – |
| P/E (trailing) | 120.5 | – |
| Dividend yield | 0.00% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | 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 | KOPN | QQQ |
|---|---|---|
| 2022 | -69.7% | -32.6% |
| 2023 | +63.7% | +54.9% |
| 2024 | -33.0% | +25.6% |
| 2025 | +72.1% | +20.8% |
| 2026 | +106.0% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KOPN and QQQ good diversifiers for each other?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between KOPN and QQQ?
Using weekly returns as of 2026-08-27: 0.40 over 3 years, with 0.61 over the last year and 0.43 over 5 years.
Is QQQ a good diversifier for KOPN?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.40 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/kopn-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/kopn-vs-qqq/)
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Related comparisons
Hubs: KOPN correlations · QQQ correlations
