BIIB vs QQQ: Correlation
How closely do Biogen (BIIB) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.18, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BIIB and QQQ?
Over the past 3 years, BIIB and QQQ moved with a correlation of 0.18, which is weak. Lately the two have drifted apart, with the 1-year correlation at 0.01 versus 0.18 over 3 years. Over 5 years the correlation is 0.22, and the annualized covariance of weekly returns is 108.2 %².
By 3-year correlation, QQQ places #22 of the 32 assets tracked against BIIB. Correlation aside, the last 12 months split them widely, with BIIB ahead by 36.1 points (+62.4% versus +26.3%). On a rolling one-year basis the correlation drifted between 0.01 and 0.42, a moderate band. Note the risk asymmetry: BIIB runs 1.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
BIIB vs QQQ: side by side
| BIIB (Biogen) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +62.4% | +26.3% |
| 5-year return | -35.7% | +95.4% |
| Volatility (ann.) | 30.1% | 19.6% |
| Beta vs S&P 500 | 0.53 | 1.28 |
| Max drawdown (3Y) | -57.7% | -22.8% |
| Market cap | $32.7B | – |
| P/E (trailing) | 39.2 | – |
| Dividend yield | 0.00% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | Health Care | ETF · US Growth & Tech |
QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | BIIB | QQQ |
|---|---|---|
| 2022 | +15.4% | -32.6% |
| 2023 | -6.6% | +54.9% |
| 2024 | -40.9% | +25.6% |
| 2025 | +15.1% | +20.8% |
| 2026 | +25.9% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BIIB and QQQ good diversifiers for each other?
Yes. With a correlation of 0.18, BIIB and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BIIB and QQQ?
Using weekly returns as of 2026-08-27: 0.18 over 3 years, with 0.01 over the last year and 0.22 over 5 years.
Is QQQ a good diversifier for BIIB?
Yes. With a correlation of 0.18, BIIB and QQQ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.18 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/biib-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/biib-vs-qqq/)
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Related comparisons
Hubs: BIIB correlations · QQQ correlations
