PSNY vs SGML: Correlation
How closely do Polestar Automotive Holding UK Limited - Class A (PSNY) and Sigma Lithium Corporation (SGML) trade together? Their weekly returns over three years give a correlation of 0.34, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PSNY and SGML?
Across a 3-year window, the weekly returns of PSNY and SGML correlate at 0.34, moderate. The relationship has been stable: the 1-year correlation (0.29) sits close to the 3-year figure. Stretching to 5 years gives 0.28, with an annualized covariance of 3063.3 %².
Among the 10 assets we track against PSNY, SGML ranks #4 by 3-year correlation. The last year tells two different stories: SGML led by 155.8 percentage points, -67.9% for PSNY against +87.9% for SGML.
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.
PSNY vs SGML: side by side
| PSNY (Polestar Automotive Holding UK Limited - Class A) | SGML (Sigma Lithium Corporation) | |
|---|---|---|
| 1-year return | -67.9% | +87.9% |
| 5-year return | -95.8% | +69.8% |
| Volatility (ann.) | 93.2% | 97.8% |
| Beta vs S&P 500 | 1.64 | 1.89 |
| Max drawdown (3Y) | -89.5% | -88.9% |
| Market cap | $1.8B | $1.4B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PSNY | SGML |
|---|---|---|
| 2022 | -54.6% | +171.1% |
| 2023 | -57.4% | +11.7% |
| 2024 | -53.5% | -64.4% |
| 2025 | -32.2% | +17.6% |
| 2026 | -41.4% | -4.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PSNY and SGML good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between PSNY and SGML?
Using weekly returns as of 2026-08-27: 0.34 over 3 years, with 0.29 over the last year and 0.28 over 5 years.
Is SGML a good diversifier for PSNY?
Yes, to a useful degree: a correlation of 0.34 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.34 mean?
On the −1 to +1 scale, 0.34 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.
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Related comparisons
Hubs: PSNY correlations · SGML correlations
