AZIO vs BIIB: Correlation
Measured on weekly returns over the past three years, Azio AI Holdings, Inc. (AZIO) and Biogen (BIIB) carry a correlation of -0.21, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AZIO and BIIB?
Over the past 3 years, AZIO and BIIB moved with a correlation of -0.21, which is negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.38) than the 3-year average (-0.21). Over 5 years the correlation is -0.14, and the annualized covariance of weekly returns is -2503.6 %².
Among the 18 assets we track against AZIO, BIIB ranks #11 by 3-year correlation. The last year tells two different stories: BIIB led by 105.9 percentage points, -43.5% for AZIO against +62.4% for BIIB. One caveat on sizing: AZIO is 13.4 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.
AZIO vs BIIB: side by side
| AZIO (Azio AI Holdings, Inc.) | BIIB (Biogen) | |
|---|---|---|
| 1-year return | -43.5% | +62.4% |
| 5-year return | -97.5% | -35.7% |
| Volatility (ann.) | 404.0% | 30.1% |
| Beta vs S&P 500 | 1.20 | 0.53 |
| Max drawdown (3Y) | -98.8% | -57.7% |
| Market cap | – | $32.7B |
| P/E (trailing) | – | 39.2 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | AZIO | BIIB |
|---|---|---|
| 2022 | -52.7% | +15.4% |
| 2023 | -36.2% | -6.6% |
| 2024 | -11.0% | -40.9% |
| 2025 | -97.0% | +15.1% |
| 2026 | +276.0% | +25.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AZIO and BIIB good diversifiers for each other?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AZIO and BIIB?
As of 2026-08-27, the correlation of weekly returns between AZIO and BIIB is -0.21 over 3 years, -0.38 over 1 year and -0.14 over 5 years.
Is BIIB a good diversifier for AZIO?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.21 mean?
On the −1 to +1 scale, -0.21 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
$ curl https://www.pairbook.io/api/v1/pairs/azio-vs-biib.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/azio-vs-biib/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AZIO correlations · BIIB correlations
