AXSM vs PTHS: Correlation
How closely do Axsome Therapeutics, Inc. (AXSM) and Pelthos Therapeutics Inc. (PTHS) trade together? Their weekly returns over three years give a correlation of 0.37, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AXSM and PTHS?
On 3 years of weekly data the AXSM/PTHS correlation comes out at 0.37, moderate. The past 12 months show a weaker link (0.06) than the 3-year average (0.37). The 5-year figure is n/a, and annualized covariance runs at 1875.5 %².
Among the 12 assets we track against AXSM, PTHS ranks #7 by 3-year correlation. Correlation aside, the last 12 months split them widely, with AXSM ahead by 63.9 points (+69.3% versus +5.4%). One caveat on sizing: PTHS is 3.2 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
AXSM vs PTHS: side by side
| AXSM (Axsome Therapeutics, Inc.) | PTHS (Pelthos Therapeutics Inc.) | |
|---|---|---|
| 1-year return | +69.3% | +5.4% |
| 5-year return | +746.1% | n/a |
| Volatility (ann.) | 39.4% | 125.0% |
| Beta vs S&P 500 | 0.82 | 1.67 |
| Max drawdown (3Y) | -32.7% | -88.7% |
| Market cap | $10.8B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AXSM | PTHS |
|---|---|---|
| 2022 | +104.2% | – |
| 2023 | +3.2% | – |
| 2024 | +6.3% | – |
| 2025 | +115.9% | +383.6% |
| 2026 | +12.9% | -19.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AXSM and PTHS good diversifiers for each other?
Reasonably. At 0.37, AXSM and PTHS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between AXSM and PTHS?
Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.06 over the last year and n/a over 5 years.
Is PTHS a good diversifier for AXSM?
Reasonably. At 0.37, AXSM and PTHS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.37 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/axsm-vs-pths.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/axsm-vs-pths/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AXSM correlations · PTHS correlations
