BKSY vs STXS: Correlation
BlackSky Technology Inc. (BKSY) and Stereotaxis, Inc. (STXS) show a moderate relationship: their 3-year correlation of weekly returns is 0.43.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BKSY and STXS?
Over the past 3 years, BKSY and STXS moved with a correlation of 0.43, which is moderate. The link has tightened recently: the 1-year correlation (0.53) runs above the 3-year figure (0.43). Over 5 years the correlation is 0.37, and the annualized covariance of weekly returns is 1999.2 %².
Among the 14 assets we track against BKSY, STXS ranks #6 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BKSY outperformed by 85.1 percentage points (+36.3% for BKSY against -48.8% for STXS). Note the risk asymmetry: BKSY runs 1.8 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.
BKSY vs STXS: side by side
| BKSY (BlackSky Technology Inc.) | STXS (Stereotaxis, Inc.) | |
|---|---|---|
| 1-year return | +36.3% | -48.8% |
| 5-year return | -69.1% | -76.8% |
| Volatility (ann.) | 90.5% | 51.7% |
| Beta vs S&P 500 | 2.48 | 1.07 |
| Max drawdown (3Y) | -69.1% | -64.7% |
| Market cap | $1.0B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BKSY | STXS |
|---|---|---|
| 2022 | -65.7% | -66.6% |
| 2023 | -9.1% | -15.5% |
| 2024 | -3.7% | +30.3% |
| 2025 | +73.8% | +0.9% |
| 2026 | +32.1% | -36.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BKSY and STXS good diversifiers for each other?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between BKSY and STXS?
As of 2026-08-27, the correlation of weekly returns between BKSY and STXS is 0.43 over 3 years, 0.53 over 1 year and 0.37 over 5 years.
Is STXS a good diversifier for BKSY?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.43 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: BKSY correlations · STXS correlations
