BKSY vs PL: Correlation
How closely do BlackSky Technology Inc. (BKSY) and Planet Labs PBC (PL) trade together? Their weekly returns over three years give a correlation of 0.55, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BKSY and PL?
On 3 years of weekly data the BKSY/PL correlation comes out at 0.55, moderate. Recent behaviour matches the longer record: 0.63 over 1 year against 0.55 over 3. The 5-year figure is 0.51, and annualized covariance runs at 4421.6 %².
Few assets follow BKSY as closely as PL, which ranks #1 of 14 tracked partners. The last year tells two different stories: PL led by 162.6 percentage points, +36.3% for BKSY against +198.9% for PL.
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 PL: side by side
| BKSY (BlackSky Technology Inc.) | PL (Planet Labs PBC) | |
|---|---|---|
| 1-year return | +36.3% | +198.9% |
| 5-year return | -69.1% | +114.4% |
| Volatility (ann.) | 90.5% | 89.7% |
| Beta vs S&P 500 | 2.48 | 2.46 |
| Max drawdown (3Y) | -69.1% | -62.1% |
| Market cap | $1.0B | $7.5B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BKSY | PL |
|---|---|---|
| 2022 | -65.7% | -29.3% |
| 2023 | -9.1% | -43.2% |
| 2024 | -3.7% | +63.6% |
| 2025 | +73.8% | +388.1% |
| 2026 | +32.1% | +7.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BKSY and PL good diversifiers for each other?
Only partially. A correlation of 0.55 means BKSY and PL share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between BKSY and PL?
The BKSY/PL correlation stands at 0.55 on a 3-year window (1 year: 0.63, 5 years: 0.51), computed from weekly returns as of 2026-08-27.
Is PL a good diversifier for BKSY?
Only partially. A correlation of 0.55 means BKSY and PL share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.55 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/bksy-vs-pl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bksy-vs-pl/)
No key needed, free to use. Full endpoint list in the API documentation.
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Hubs: BKSY correlations · PL correlations
