ATOS vs OCGN: Correlation
Measured on weekly returns over the past three years, Atossa Therapeutics, Inc. (ATOS) and Ocugen, Inc. (OCGN) carry a correlation of 0.41, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATOS and OCGN?
Across a 3-year window, the weekly returns of ATOS and OCGN correlate at 0.41, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.28 versus 0.41 over 3 years. Stretching to 5 years gives 0.36, with an annualized covariance of 2896.6 %².
Among the 14 assets we track against ATOS, OCGN ranks #6 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months OCGN outperformed by 108.5 percentage points (-76.8% for ATOS against +31.7% for OCGN).
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.
ATOS vs OCGN: side by side
| ATOS (Atossa Therapeutics, Inc.) | OCGN (Ocugen, Inc.) | |
|---|---|---|
| 1-year return | -76.8% | +31.7% |
| 5-year return | -95.0% | -81.2% |
| Volatility (ann.) | 73.3% | 95.8% |
| Beta vs S&P 500 | 1.97 | 1.22 |
| Max drawdown (3Y) | -94.4% | -73.9% |
| Market cap | – | $0.5B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ATOS | OCGN |
|---|---|---|
| 2022 | -66.9% | -71.4% |
| 2023 | +66.0% | -55.8% |
| 2024 | +6.8% | +40.0% |
| 2025 | -37.2% | +67.7% |
| 2026 | -70.2% | +1.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATOS and OCGN good diversifiers for each other?
Reasonably. At 0.41, ATOS and OCGN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ATOS and OCGN?
The ATOS/OCGN correlation stands at 0.41 on a 3-year window (1 year: 0.28, 5 years: 0.36), computed from weekly returns as of 2026-08-27.
Is OCGN a good diversifier for ATOS?
Reasonably. At 0.41, ATOS and OCGN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.41 mean?
A reading of 0.41 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/atos-vs-ocgn.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/atos-vs-ocgn/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ATOS correlations · OCGN correlations
