ATOS vs MORN: Correlation
Atossa Therapeutics, Inc. (ATOS) and Morningstar, Inc. (MORN) show a moderate relationship: their 3-year correlation of weekly returns is 0.44.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATOS and MORN?
Over the past 3 years, ATOS and MORN moved with a correlation of 0.44, which is moderate. The link has tightened recently: the 1-year correlation (0.54) runs above the 3-year figure (0.44). Over 5 years the correlation is 0.40, and the annualized covariance of weekly returns is 974.6 %².
Few assets follow ATOS as closely as MORN, which ranks #2 of 14 tracked partners. Their recent paths diverged sharply: over the last 12 months MORN outperformed by 60.2 percentage points (-76.8% for ATOS against -16.6% for MORN). One caveat on sizing: ATOS is 2.4 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.
ATOS vs MORN: side by side
| ATOS (Atossa Therapeutics, Inc.) | MORN (Morningstar, Inc.) | |
|---|---|---|
| 1-year return | -76.8% | -16.6% |
| 5-year return | -95.0% | -15.1% |
| Volatility (ann.) | 73.3% | 30.5% |
| Beta vs S&P 500 | 1.97 | 0.77 |
| Max drawdown (3Y) | -94.4% | -60.0% |
| Market cap | – | $8.2B |
| P/E (trailing) | – | 20.2 |
| Dividend yield | 0.00% | 0.92% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ATOS | MORN |
|---|---|---|
| 2022 | -66.9% | -36.3% |
| 2023 | +66.0% | +33.1% |
| 2024 | +6.8% | +18.3% |
| 2025 | -37.2% | -35.1% |
| 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 MORN good diversifiers for each other?
Reasonably. At 0.44, ATOS and MORN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ATOS and MORN?
As of 2026-08-27, the correlation of weekly returns between ATOS and MORN is 0.44 over 3 years, 0.54 over 1 year and 0.40 over 5 years.
Is MORN a good diversifier for ATOS?
Reasonably. At 0.44, ATOS and MORN keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.44 mean?
A reading of 0.44 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-morn.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/atos-vs-morn/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ATOS correlations · MORN correlations
