BYSI vs QQQ: Correlation
How closely do BeyondSpring, Inc. (BYSI) and Invesco QQQ Trust (QQQ) trade together? Their weekly returns over three years give a correlation of 0.04, which is near-zero.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BYSI and QQQ?
Over the past 3 years, BYSI and QQQ moved with a correlation of 0.04, which is near zero, meaning they move largely independently. Little has changed lately, as the 1-year reading of 0.07 lands near the 3-year figure. Over 5 years the correlation is 0.06, and the annualized covariance of weekly returns is 82.0 %².
QQQ is close to the least connected end of BYSI's tracked universe, ranking #8 of 12. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 91.1 percentage points (-64.8% for BYSI against +26.3% for QQQ). Note the risk asymmetry: BYSI runs 5.2 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
BYSI vs QQQ: side by side
| BYSI (BeyondSpring, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -64.8% | +26.3% |
| 5-year return | -97.7% | +95.4% |
| Volatility (ann.) | 101.3% | 19.6% |
| Beta vs S&P 500 | 0.29 | 1.28 |
| Max drawdown (3Y) | -82.4% | -22.8% |
| Market cap | – | – |
| 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 | BYSI | QQQ |
|---|---|---|
| 2022 | -58.5% | -32.6% |
| 2023 | -52.1% | +54.9% |
| 2024 | +81.1% | +25.6% |
| 2025 | +0.0% | +20.8% |
| 2026 | -60.7% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BYSI and QQQ good diversifiers for each other?
Yes: at 0.04, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BYSI and QQQ?
Using weekly returns as of 2026-08-27: 0.04 over 3 years, with 0.07 over the last year and 0.06 over 5 years.
Is QQQ a good diversifier for BYSI?
Yes: at 0.04, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.04 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bysi-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bysi-vs-qqq/)
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Related comparisons
Hubs: BYSI correlations · QQQ correlations
