NBIX vs QQQ: Correlation
How closely do Neurocrine Biosciences, Inc. (NBIX) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.22, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NBIX and QQQ?
Across a 3-year window, the weekly returns of NBIX and QQQ correlate at 0.22, weak. Recent behaviour matches the longer record: 0.18 over 1 year against 0.22 over 3. Stretching to 5 years gives 0.18, with an annualized covariance of 135.3 %².
Among the 10 assets we track against NBIX, QQQ sits near the bottom by co-movement, at rank #7. On 12-month performance QQQ holds a 13.4-point edge, +12.9% against +26.3%. One caveat on sizing: NBIX is 1.6 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.
NBIX vs QQQ: side by side
| NBIX (Neurocrine Biosciences, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +12.9% | +26.3% |
| 5-year return | +62.5% | +95.4% |
| Volatility (ann.) | 31.8% | 19.6% |
| Beta vs S&P 500 | 0.60 | 1.28 |
| Max drawdown (3Y) | -42.9% | -22.8% |
| Market cap | $15.8B | – |
| P/E (trailing) | 22.9 | – |
| Dividend yield | 0.00% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | 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 | NBIX | QQQ |
|---|---|---|
| 2022 | +40.2% | -32.6% |
| 2023 | +10.3% | +54.9% |
| 2024 | +3.6% | +25.6% |
| 2025 | +3.9% | +20.8% |
| 2026 | +9.9% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NBIX and QQQ good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.22 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between NBIX and QQQ?
Using weekly returns as of 2026-08-27: 0.22 over 3 years, with 0.18 over the last year and 0.18 over 5 years.
Is QQQ a good diversifier for NBIX?
Yes, to a useful degree: a correlation of 0.22 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.22 mean?
On the −1 to +1 scale, 0.22 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/nbix-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/nbix-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: NBIX correlations · QQQ correlations
