PBYI vs QQQ: Correlation
Puma Biotechnology Inc (PBYI) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.12.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PBYI and QQQ?
Across a 3-year window, the weekly returns of PBYI and QQQ correlate at 0.12, weak. The relationship has been stable: the 1-year correlation (0.03) sits close to the 3-year figure. Stretching to 5 years gives 0.15, with an annualized covariance of 161.7 %².
QQQ is close to the least connected end of PBYI's tracked universe, ranking #7 of 10. The last year tells two different stories: PBYI led by 54.9 percentage points, +81.2% for PBYI against +26.3% for QQQ. Risk is not evenly split, since PBYI carries 3.6 times the volatility of the other side.
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.
PBYI vs QQQ: side by side
| PBYI (Puma Biotechnology Inc) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +81.2% | +26.3% |
| 5-year return | +21.4% | +95.4% |
| Volatility (ann.) | 70.9% | 19.6% |
| Beta vs S&P 500 | 0.91 | 1.28 |
| Max drawdown (3Y) | -69.6% | -22.8% |
| Market cap | $0.5B | – |
| P/E (trailing) | 18.1 | – |
| 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 | PBYI | QQQ |
|---|---|---|
| 2022 | +39.1% | -32.6% |
| 2023 | +2.4% | +54.9% |
| 2024 | -29.6% | +25.6% |
| 2025 | +95.1% | +20.8% |
| 2026 | +55.3% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PBYI and QQQ good diversifiers for each other?
By historical standards, yes. A correlation of 0.12 means the two rarely move for the same reasons.
FAQ
What is the correlation between PBYI and QQQ?
The PBYI/QQQ correlation stands at 0.12 on a 3-year window (1 year: 0.03, 5 years: 0.15), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for PBYI?
By historical standards, yes. A correlation of 0.12 means the two rarely move for the same reasons.
What does a correlation of 0.12 mean?
On the −1 to +1 scale, 0.12 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/pbyi-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/pbyi-vs-qqq/)
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Related comparisons
Hubs: PBYI correlations · QQQ correlations
