ATOS vs BDTX: Correlation
How closely do Atossa Therapeutics, Inc. (ATOS) and Black Diamond Therapeutics, Inc. (BDTX) trade together? Their weekly returns over three years give a correlation of 0.48, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATOS and BDTX?
On 3 years of weekly data the ATOS/BDTX correlation comes out at 0.48, moderate. Recent behaviour matches the longer record: 0.51 over 1 year against 0.48 over 3. The 5-year figure is 0.50, and annualized covariance runs at 2906.4 %².
BDTX is one of the assets that tracks ATOS most closely: it ranks #1 out of the 14 assets we track against ATOS. Their recent paths diverged sharply: over the last 12 months BDTX outperformed by 55.9 percentage points (-76.8% for ATOS against -20.9% for BDTX).
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 BDTX: side by side
| ATOS (Atossa Therapeutics, Inc.) | BDTX (Black Diamond Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | -76.8% | -20.9% |
| 5-year return | -95.0% | -77.0% |
| Volatility (ann.) | 73.3% | 83.4% |
| Beta vs S&P 500 | 1.97 | 2.26 |
| Max drawdown (3Y) | -94.4% | -83.1% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ATOS | BDTX |
|---|---|---|
| 2022 | -66.9% | -66.2% |
| 2023 | +66.0% | +56.1% |
| 2024 | +6.8% | -23.8% |
| 2025 | -37.2% | +13.6% |
| 2026 | -70.2% | -6.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATOS and BDTX good diversifiers for each other?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ATOS and BDTX?
As of 2026-08-27, the correlation of weekly returns between ATOS and BDTX is 0.48 over 3 years, 0.51 over 1 year and 0.50 over 5 years.
Is BDTX a good diversifier for ATOS?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.48 mean?
On the −1 to +1 scale, 0.48 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
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[](https://www.pairbook.io/pair/atos-vs-bdtx/)
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Related comparisons
Hubs: ATOS correlations · BDTX correlations
