CSTM vs GNPX: Correlation
Measured on weekly returns over the past three years, Constellium SE (CSTM) and Genprex, Inc. (GNPX) carry a correlation of -0.27, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CSTM and GNPX?
On 3 years of weekly data the CSTM/GNPX correlation comes out at -0.27, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at 0.03 versus -0.27 over 3 years. The 5-year figure is -0.16, and annualized covariance runs at -2800.1 %².
Out of 11 assets tracked against CSTM, GNPX lands near the bottom at #9. Their recent paths diverged sharply: over the last 12 months CSTM outperformed by 185.8 percentage points (+87.7% for CSTM against -98.1% for GNPX). Note the risk asymmetry: GNPX runs 6.2 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
CSTM vs GNPX: side by side
| CSTM (Constellium SE) | GNPX (Genprex, Inc.) | |
|---|---|---|
| 1-year return | +87.7% | -98.1% |
| 5-year return | +38.2% | -100.0% |
| Volatility (ann.) | 41.2% | 255.0% |
| Beta vs S&P 500 | 1.25 | -0.45 |
| Max drawdown (3Y) | -66.3% | -100.0% |
| Market cap | $3.7B | – |
| P/E (trailing) | 7.0 | 0.1 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CSTM | GNPX |
|---|---|---|
| 2022 | -33.9% | +10.7% |
| 2023 | +68.7% | -84.1% |
| 2024 | -48.5% | -90.7% |
| 2025 | +83.5% | -95.9% |
| 2026 | +45.4% | -90.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CSTM and GNPX good diversifiers for each other?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CSTM and GNPX?
The CSTM/GNPX correlation stands at -0.27 on a 3-year window (1 year: 0.03, 5 years: -0.16), computed from weekly returns as of 2026-08-27.
Is GNPX a good diversifier for CSTM?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.27 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/cstm-vs-gnpx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cstm-vs-gnpx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CSTM correlations · GNPX correlations
