QQQ vs STRO: Correlation
Measured on weekly returns over the past three years, Invesco QQQ Trust (QQQ) and Sutro Biopharma, Inc. (STRO) carry a correlation of 0.41, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QQQ and STRO?
Across a 3-year window, the weekly returns of QQQ and STRO correlate at 0.41, moderate. Recent behaviour matches the longer record: 0.35 over 1 year against 0.41 over 3. Stretching to 5 years gives 0.34, with an annualized covariance of 911.1 %².
Within QQQ's tracked universe of 4755 assets, STRO comes in at #582 by 3-year correlation. Correlation aside, the last 12 months split them widely, with STRO ahead by 110.5 points (+26.3% versus +136.8%). One caveat on sizing: STRO is 5.7 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.
QQQ vs STRO: side by side
| QQQ (Invesco QQQ Trust) | STRO (Sutro Biopharma, Inc.) | |
|---|---|---|
| 1-year return | +26.3% | +136.8% |
| 5-year return | +95.4% | -90.2% |
| Volatility (ann.) | 19.6% | 112.5% |
| Beta vs S&P 500 | 1.28 | 3.52 |
| Max drawdown (3Y) | -22.8% | -90.8% |
| Market cap | – | $0.4B |
| P/E (trailing) | – | – |
| Dividend yield | 0.44% | 0.00% |
| Expense ratio | 0.18% | – |
| Assets under management | $452.8B | – |
| Sector / category | ETF · US Growth & Tech | US Listed |
QQQ, Invesco's Large Growth fund, carries $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | QQQ | STRO |
|---|---|---|
| 2022 | -32.6% | -45.7% |
| 2023 | +54.9% | -46.9% |
| 2024 | +25.6% | -57.1% |
| 2025 | +20.8% | -37.1% |
| 2026 | +17.7% | +84.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QQQ and STRO good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between QQQ and STRO?
Using weekly returns as of 2026-08-27: 0.41 over 3 years, with 0.35 over the last year and 0.34 over 5 years.
Is STRO a good diversifier for QQQ?
Yes, to a useful degree: a correlation of 0.41 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.41 mean?
On the −1 to +1 scale, 0.41 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/qqq-vs-stro.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qqq-vs-stro/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: QQQ correlations · STRO correlations
