PTHS vs STLN: Correlation
Pelthos Therapeutics Inc. (PTHS) and Starling Oncology, Inc. (STLN) show a moderate relationship: their 3-year correlation of weekly returns is 0.36.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PTHS and STLN?
Over the past 3 years, PTHS and STLN moved with a correlation of 0.36, which is moderate. The link has loosened recently: the 1-year correlation (0.03) runs below the 3-year figure (0.36). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 5315.5 %².
Within PTHS's tracked universe of 14 assets, STLN comes in at #7 by 3-year correlation. The last year tells two different stories: STLN led by 77.8 percentage points, +5.4% for PTHS against +83.2% for STLN.
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.
PTHS vs STLN: side by side
| PTHS (Pelthos Therapeutics Inc.) | STLN (Starling Oncology, Inc.) | |
|---|---|---|
| 1-year return | +5.4% | +83.2% |
| 5-year return | n/a | -36.1% |
| Volatility (ann.) | 125.0% | 116.5% |
| Beta vs S&P 500 | 1.67 | 1.39 |
| Max drawdown (3Y) | -88.7% | -94.8% |
| Market cap | $0.1B | $0.6B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PTHS | STLN |
|---|---|---|
| 2022 | – | -83.1% |
| 2023 | – | +23.6% |
| 2024 | – | -84.9% |
| 2025 | +383.6% | +1052.1% |
| 2026 | -19.4% | +78.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PTHS and STLN 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 PTHS and STLN?
The PTHS/STLN correlation stands at 0.36 on a 3-year window (1 year: 0.03, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is STLN a good diversifier for PTHS?
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?
A reading of 0.36 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/pths-vs-stln.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/pths-vs-stln/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PTHS correlations · STLN correlations
