LUNG vs QQQ: Correlation
Pulmonx Corporation (LUNG) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.23.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LUNG and QQQ?
Over the past 3 years, LUNG and QQQ moved with a correlation of 0.23, which is weak. The relationship has been stable: the 1-year correlation (0.31) sits close to the 3-year figure. Over 5 years the correlation is 0.34, and the annualized covariance of weekly returns is 389.6 %².
Out of 10 assets tracked against LUNG, QQQ lands near the bottom at #7. Neither side won the trailing year by much: +30.1% against +26.3%. Risk is not evenly split, since LUNG carries 4.5 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.
LUNG vs QQQ: side by side
| LUNG (Pulmonx Corporation) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +30.1% | +26.3% |
| 5-year return | -93.8% | +95.4% |
| Volatility (ann.) | 88.5% | 19.6% |
| Beta vs S&P 500 | 1.56 | 1.28 |
| Max drawdown (3Y) | -92.0% | -22.8% |
| Market cap | $0.1B | – |
| 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 | LUNG | QQQ |
|---|---|---|
| 2022 | -73.7% | -32.6% |
| 2023 | +51.2% | +54.9% |
| 2024 | -46.7% | +25.6% |
| 2025 | -67.5% | +20.8% |
| 2026 | +9.5% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LUNG and QQQ good diversifiers for each other?
Reasonably. At 0.23, LUNG and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between LUNG and QQQ?
Using weekly returns as of 2026-08-27: 0.23 over 3 years, with 0.31 over the last year and 0.34 over 5 years.
Is QQQ a good diversifier for LUNG?
Reasonably. At 0.23, LUNG and QQQ keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.23 mean?
On the −1 to +1 scale, 0.23 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/lung-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/lung-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: LUNG correlations · QQQ correlations
