ASTI vs BKSY: Correlation
Measured on weekly returns over the past three years, Ascent Solar Technologies, Inc (ASTI) and BlackSky Technology Inc. (BKSY) 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 ASTI and BKSY?
Over the past 3 years, ASTI and BKSY moved with a correlation of 0.38, which is moderate. Little has changed lately, as the 1-year reading of 0.40 lands near the 3-year figure. Over 5 years the correlation is 0.35, and the annualized covariance of weekly returns is 4904.9 %².
In ASTI's tracked universe of 10 assets, BKSY sits right near the top at #3. The trailing year gives ASTI the advantage: +48.1% versus +36.3%, a 11.8-point spread. Risk is not evenly split, since ASTI carries 1.6 times the volatility of the other side.
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.
ASTI vs BKSY: side by side
| ASTI (Ascent Solar Technologies, Inc) | BKSY (BlackSky Technology Inc.) | |
|---|---|---|
| 1-year return | +48.1% | +36.3% |
| 5-year return | n/a | -69.1% |
| Volatility (ann.) | 141.9% | 90.5% |
| Beta vs S&P 500 | 2.60 | 2.48 |
| Max drawdown (3Y) | -99.9% | -69.1% |
| Market cap | – | $1.0B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ASTI | BKSY |
|---|---|---|
| 2022 | – | -65.7% |
| 2023 | -99.7% | -9.1% |
| 2024 | -96.2% | -3.7% |
| 2025 | +25.7% | +73.8% |
| 2026 | -24.3% | +32.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASTI and BKSY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ASTI and BKSY?
As of 2026-08-27, the correlation of weekly returns between ASTI and BKSY is 0.38 over 3 years, 0.40 over 1 year and 0.35 over 5 years.
Is BKSY a good diversifier for ASTI?
Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.38 mean?
On the −1 to +1 scale, 0.38 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/asti-vs-bksy.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/asti-vs-bksy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ASTI correlations · BKSY correlations
