PSNY vs UUU: Correlation
Polestar Automotive Holding UK Limited - Class A (PSNY) and Universal Safety Products, Inc. (UUU) show a negative relationship: their 3-year correlation of weekly returns is -0.22.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PSNY and UUU?
Across a 3-year window, the weekly returns of PSNY and UUU correlate at -0.22, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.20 over 1 year against -0.22 over 3. Stretching to 5 years gives -0.15, with an annualized covariance of -2485.7 %².
UUU is close to the least connected end of PSNY's tracked universe, ranking #9 of 10. The last year tells two different stories: UUU led by 152.0 percentage points, -67.9% for PSNY against +84.1% for UUU.
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 UUU: side by side
| PSNY (Polestar Automotive Holding UK Limited - Class A) | UUU (Universal Safety Products, Inc.) | |
|---|---|---|
| 1-year return | -67.9% | +84.1% |
| 5-year return | -95.8% | +5.9% |
| Volatility (ann.) | 93.2% | 122.8% |
| Beta vs S&P 500 | 1.64 | -0.54 |
| Max drawdown (3Y) | -89.5% | -77.3% |
| Market cap | $1.8B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PSNY | UUU |
|---|---|---|
| 2022 | -54.6% | -40.3% |
| 2023 | -57.4% | -18.2% |
| 2024 | -53.5% | +42.8% |
| 2025 | -32.2% | +158.6% |
| 2026 | -41.4% | +2.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PSNY and UUU good diversifiers for each other?
Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PSNY and UUU?
The PSNY/UUU correlation stands at -0.22 on a 3-year window (1 year: -0.20, 5 years: -0.15), computed from weekly returns as of 2026-08-27.
Is UUU a good diversifier for PSNY?
Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.22 mean?
A reading of -0.22 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/psny-vs-uuu.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/psny-vs-uuu/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PSNY correlations · UUU correlations
