BYSI vs QTI: Correlation
BeyondSpring, Inc. (BYSI) and QT Imaging Holdings, Inc. (QTI) show a negative relationship: their 3-year correlation of weekly returns is -0.27.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BYSI and QTI?
Over the past 3 years, BYSI and QTI moved with a correlation of -0.27, which is negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.04 versus -0.27 over 3 years. Over 5 years the correlation is -0.14, and the annualized covariance of weekly returns is -2999.3 %².
Out of 12 assets tracked against BYSI, QTI lands near the bottom at #12. The last year tells two different stories: BYSI led by 26.8 percentage points, -64.8% for BYSI against -91.6% for QTI.
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 QTI: side by side
| BYSI (BeyondSpring, Inc.) | QTI (QT Imaging Holdings, Inc.) | |
|---|---|---|
| 1-year return | -64.8% | -91.6% |
| 5-year return | -97.7% | -97.9% |
| Volatility (ann.) | 101.3% | 108.2% |
| Beta vs S&P 500 | 0.29 | 0.12 |
| Max drawdown (3Y) | -82.4% | -98.6% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BYSI | QTI |
|---|---|---|
| 2022 | -58.5% | +3.1% |
| 2023 | -52.1% | +7.7% |
| 2024 | +81.1% | -95.6% |
| 2025 | +0.0% | -16.7% |
| 2026 | -60.7% | -48.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BYSI and QTI good diversifiers for each other?
Yes. With a correlation of -0.27, BYSI and QTI have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BYSI and QTI?
The BYSI/QTI correlation stands at -0.27 on a 3-year window (1 year: -0.04, 5 years: -0.14), computed from weekly returns as of 2026-08-27.
Is QTI a good diversifier for BYSI?
Yes. With a correlation of -0.27, BYSI and QTI have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.27 mean?
On the −1 to +1 scale, -0.27 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/bysi-vs-qti.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bysi-vs-qti/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BYSI correlations · QTI correlations
