CLDX vs PSNY: Correlation
Measured on weekly returns over the past three years, Celldex Therapeutics, Inc. (CLDX) and Polestar Automotive Holding UK Limited - Class A (PSNY) carry a correlation of 0.36, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CLDX and PSNY?
Across a 3-year window, the weekly returns of CLDX and PSNY correlate at 0.36, moderate. The relationship has been stable: the 1-year correlation (0.34) sits close to the 3-year figure. Stretching to 5 years gives 0.31, with an annualized covariance of 2000.6 %².
Within CLDX's tracked universe of 18 assets, PSNY comes in at #12 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CLDX ahead by 146.9 points (+79.0% versus -67.9%). Risk is not evenly split, since PSNY carries 1.6 times the volatility of the other side.
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.
CLDX vs PSNY: side by side
| CLDX (Celldex Therapeutics, Inc.) | PSNY (Polestar Automotive Holding UK Limited - Class A) | |
|---|---|---|
| 1-year return | +79.0% | -67.9% |
| 5-year return | -21.9% | -95.8% |
| Volatility (ann.) | 59.4% | 93.2% |
| Beta vs S&P 500 | 1.48 | 1.64 |
| Max drawdown (3Y) | -70.8% | -89.5% |
| Market cap | $3.2B | $1.8B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CLDX | PSNY |
|---|---|---|
| 2022 | +15.3% | -54.6% |
| 2023 | -11.0% | -57.4% |
| 2024 | -36.3% | -53.5% |
| 2025 | +7.5% | -32.2% |
| 2026 | +49.0% | -41.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CLDX and PSNY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.36 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CLDX and PSNY?
As of 2026-08-27, the correlation of weekly returns between CLDX and PSNY is 0.36 over 3 years, 0.34 over 1 year and 0.31 over 5 years.
Is PSNY a good diversifier for CLDX?
Yes, to a useful degree: a correlation of 0.36 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.36 mean?
On the −1 to +1 scale, 0.36 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/cldx-vs-psny.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cldx-vs-psny/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CLDX correlations · PSNY correlations
