PL vs RKLB: Correlation
Planet Labs PBC (PL) and Rocket Lab Corporation (RKLB) show a strong relationship: their 3-year correlation of weekly returns is 0.60.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PL and RKLB?
Over the past 3 years, PL and RKLB moved with a correlation of 0.60, which is strong. The relationship has been stable: the 1-year correlation (0.66) sits close to the 3-year figure. Over 5 years the correlation is 0.54, and the annualized covariance of weekly returns is 4574.5 %².
RKLB is one of the assets that tracks PL most closely: it ranks #1 out of the 10 assets we track against PL. Their recent paths diverged sharply: over the last 12 months PL outperformed by 152.9 percentage points (+198.9% for PL 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.
PL vs RKLB: side by side
| PL (Planet Labs PBC) | RKLB (Rocket Lab Corporation) | |
|---|---|---|
| 1-year return | +198.9% | +46.0% |
| 5-year return | +114.4% | +573.3% |
| Volatility (ann.) | 89.7% | 85.6% |
| Beta vs S&P 500 | 2.46 | 2.58 |
| Max drawdown (3Y) | -62.1% | -61.0% |
| Market cap | $7.5B | $43.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PL | RKLB |
|---|---|---|
| 2022 | -29.3% | -69.3% |
| 2023 | -43.2% | +46.7% |
| 2024 | +63.6% | +360.6% |
| 2025 | +388.1% | +173.9% |
| 2026 | +7.3% | -3.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PL and RKLB good diversifiers for each other?
Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between PL and RKLB?
Using weekly returns as of 2026-08-27: 0.60 over 3 years, with 0.66 over the last year and 0.54 over 5 years.
Is RKLB a good diversifier for PL?
Somewhat, no more. With 0.60 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.60 mean?
On the −1 to +1 scale, 0.60 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/pl-vs-rklb.json
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[](https://www.pairbook.io/pair/pl-vs-rklb/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PL correlations · RKLB correlations
