COYA vs DERM: Correlation
Coya Therapeutics, Inc. (COYA) and Journey Medical Corporation (DERM) show a moderate relationship: their 3-year correlation of weekly returns is 0.31.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COYA and DERM?
On 3 years of weekly data the COYA/DERM correlation comes out at 0.31, moderate. Little has changed lately, as the 1-year reading of 0.36 lands near the 3-year figure. The 5-year figure is 0.26, and annualized covariance runs at 1480.3 %².
Within COYA's tracked universe of 12 assets, DERM comes in at #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with DERM ahead by 26.6 points (-25.9% versus +0.7%).
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.
COYA vs DERM: side by side
| COYA (Coya Therapeutics, Inc.) | DERM (Journey Medical Corporation) | |
|---|---|---|
| 1-year return | -25.9% | +0.7% |
| 5-year return | n/a | -23.9% |
| Volatility (ann.) | 66.2% | 71.7% |
| Beta vs S&P 500 | 1.33 | 0.46 |
| Max drawdown (3Y) | -62.9% | -63.3% |
| Market cap | $0.1B | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | COYA | DERM |
|---|---|---|
| 2022 | – | -64.3% |
| 2023 | +56.4% | +200.0% |
| 2024 | -22.7% | -32.1% |
| 2025 | +1.2% | +97.2% |
| 2026 | -16.2% | -2.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COYA and DERM good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.31 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between COYA and DERM?
As of 2026-08-27, the correlation of weekly returns between COYA and DERM is 0.31 over 3 years, 0.36 over 1 year and 0.26 over 5 years.
Is DERM a good diversifier for COYA?
Yes, to a useful degree: a correlation of 0.31 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.31 mean?
On the −1 to +1 scale, 0.31 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/coya-vs-derm.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/coya-vs-derm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: COYA correlations · DERM correlations
