KOPN vs RKLB: Correlation
Measured on weekly returns over the past three years, Kopin Corporation (KOPN) and Rocket Lab Corporation (RKLB) carry a correlation of 0.50, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KOPN and RKLB?
Across a 3-year window, the weekly returns of KOPN and RKLB correlate at 0.50, moderate. The relationship has been stable: the 1-year correlation (0.56) sits close to the 3-year figure. Stretching to 5 years gives 0.46, with an annualized covariance of 4106.3 %².
RKLB is one of the assets that tracks KOPN most closely: it ranks #1 out of the 15 assets we track against KOPN. Their recent paths diverged sharply: over the last 12 months KOPN outperformed by 77.1 percentage points (+123.1% for KOPN against +46.0% for RKLB).
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 RKLB: side by side
| KOPN (Kopin Corporation) | RKLB (Rocket Lab Corporation) | |
|---|---|---|
| 1-year return | +123.1% | +46.0% |
| 5-year return | -19.9% | +573.3% |
| Volatility (ann.) | 96.8% | 85.6% |
| Beta vs S&P 500 | 2.59 | 2.58 |
| Max drawdown (3Y) | -78.3% | -61.0% |
| Market cap | $0.9B | $43.2B |
| P/E (trailing) | 120.5 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KOPN | RKLB |
|---|---|---|
| 2022 | -69.7% | -69.3% |
| 2023 | +63.7% | +46.7% |
| 2024 | -33.0% | +360.6% |
| 2025 | +72.1% | +173.9% |
| 2026 | +106.0% | -3.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KOPN and RKLB good diversifiers for each other?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between KOPN and RKLB?
As of 2026-08-27, the correlation of weekly returns between KOPN and RKLB is 0.50 over 3 years, 0.56 over 1 year and 0.46 over 5 years.
Is RKLB a good diversifier for KOPN?
Somewhat, no more. With 0.50 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.50 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.
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Related comparisons
Hubs: KOPN correlations · RKLB correlations
