BSX vs QH: Correlation
How closely do Boston Scientific (BSX) and Quhuo Limited - Class A (QH) trade together? Their weekly returns over three years give a correlation of -0.21, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BSX and QH?
Over the past 3 years, BSX and QH moved with a correlation of -0.21, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.23 lands near the 3-year figure. Over 5 years the correlation is -0.18, and the annualized covariance of weekly returns is -7968.6 %².
By 3-year correlation, QH places #26 of the 33 assets tracked against BSX. Correlation aside, the last 12 months split them widely, with QH ahead by 47.8 points (-55.9% versus -8.1%). Risk is not evenly split, since QH carries 49.3 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.
BSX vs QH: side by side
| BSX (Boston Scientific) | QH (Quhuo Limited - Class A) | |
|---|---|---|
| 1-year return | -55.9% | -8.1% |
| 5-year return | +4.1% | -100.0% |
| Volatility (ann.) | 27.6% | 1360.1% |
| Beta vs S&P 500 | 0.72 | 5.77 |
| Max drawdown (3Y) | -60.6% | -100.0% |
| Market cap | $67.6B | – |
| P/E (trailing) | 19.5 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | BSX | QH |
|---|---|---|
| 2022 | +8.9% | -98.9% |
| 2023 | +24.9% | +22.5% |
| 2024 | +54.5% | -0.7% |
| 2025 | +6.8% | -99.2% |
| 2026 | -51.1% | +290.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BSX and QH good diversifiers for each other?
Yes. With a correlation of -0.21, BSX and QH have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BSX and QH?
The BSX/QH correlation stands at -0.21 on a 3-year window (1 year: -0.23, 5 years: -0.18), computed from weekly returns as of 2026-08-27.
Is QH a good diversifier for BSX?
Yes. With a correlation of -0.21, BSX and QH have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.21 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/bsx-vs-qh.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bsx-vs-qh/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BSX correlations · QH correlations
