PACB vs QQQ: Correlation
Measured on weekly returns over the past three years, Pacific Biosciences of California, Inc. (PACB) and Invesco QQQ Trust (QQQ) carry a correlation of 0.18, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PACB and QQQ?
Over the past 3 years, PACB and QQQ moved with a correlation of 0.18, which is weak. Little has changed lately, as the 1-year reading of 0.14 lands near the 3-year figure. Over 5 years the correlation is 0.38, and the annualized covariance of weekly returns is 327.8 %².
QQQ is close to the least connected end of PACB's tracked universe, ranking #7 of 11. Over the last 12 months QQQ came out ahead by 9.8 percentage points (+16.5% against +26.3%). Risk is not evenly split, since PACB carries 4.8 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.
PACB vs QQQ: side by side
| PACB (Pacific Biosciences of California, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +16.5% | +26.3% |
| 5-year return | -94.9% | +95.4% |
| Volatility (ann.) | 93.3% | 19.6% |
| Beta vs S&P 500 | 1.21 | 1.28 |
| Max drawdown (3Y) | -92.2% | -22.8% |
| Market cap | $0.5B | – |
| P/E (trailing) | – | – |
| 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 | PACB | QQQ |
|---|---|---|
| 2022 | -60.0% | -32.6% |
| 2023 | +19.9% | +54.9% |
| 2024 | -81.3% | +25.6% |
| 2025 | +2.2% | +20.8% |
| 2026 | -17.1% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PACB and QQQ good diversifiers for each other?
By historical standards, yes. A correlation of 0.18 means the two rarely move for the same reasons.
FAQ
What is the correlation between PACB and QQQ?
Using weekly returns as of 2026-08-27: 0.18 over 3 years, with 0.14 over the last year and 0.38 over 5 years.
Is QQQ a good diversifier for PACB?
By historical standards, yes. A correlation of 0.18 means the two rarely move for the same reasons.
What does a correlation of 0.18 mean?
A reading of 0.18 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/pacb-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/pacb-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: PACB correlations · QQQ correlations
