BKSY vs KOPN: Correlation
Measured on weekly returns over the past three years, BlackSky Technology Inc. (BKSY) and Kopin Corporation (KOPN) carry a correlation of 0.45, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BKSY and KOPN?
On 3 years of weekly data the BKSY/KOPN correlation comes out at 0.45, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.57 versus 0.45 over 3 years. The 5-year figure is 0.39, and annualized covariance runs at 3969.0 %².
By 3-year correlation, KOPN places #5 of the 14 assets tracked against BKSY. Their recent paths diverged sharply: over the last 12 months KOPN outperformed by 86.8 percentage points (+36.3% for BKSY against +123.1% for KOPN).
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.
BKSY vs KOPN: side by side
| BKSY (BlackSky Technology Inc.) | KOPN (Kopin Corporation) | |
|---|---|---|
| 1-year return | +36.3% | +123.1% |
| 5-year return | -69.1% | -19.9% |
| Volatility (ann.) | 90.5% | 96.8% |
| Beta vs S&P 500 | 2.48 | 2.59 |
| Max drawdown (3Y) | -69.1% | -78.3% |
| Market cap | $1.0B | $0.9B |
| P/E (trailing) | – | 120.5 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BKSY | KOPN |
|---|---|---|
| 2022 | -65.7% | -69.7% |
| 2023 | -9.1% | +63.7% |
| 2024 | -3.7% | -33.0% |
| 2025 | +73.8% | +72.1% |
| 2026 | +32.1% | +106.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BKSY and KOPN good diversifiers for each other?
Reasonably. At 0.45, BKSY and KOPN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BKSY and KOPN?
As of 2026-08-27, the correlation of weekly returns between BKSY and KOPN is 0.45 over 3 years, 0.57 over 1 year and 0.39 over 5 years.
Is KOPN a good diversifier for BKSY?
Reasonably. At 0.45, BKSY and KOPN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.45 mean?
On the −1 to +1 scale, 0.45 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/bksy-vs-kopn.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bksy-vs-kopn/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BKSY correlations · KOPN correlations
