CAH vs QTI: Correlation
Cardinal Health (CAH) 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 CAH and QTI?
On 3 years of weekly data the CAH/QTI correlation comes out at -0.27, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.54) than the 3-year average (-0.27). The 5-year figure is -0.21, and annualized covariance runs at -714.7 %².
Among the 32 assets we track against CAH, QTI sits near the bottom by co-movement, at rank #32. Correlation aside, the last 12 months split them widely, with CAH ahead by 150.8 points (+59.2% versus -91.6%). Risk is not evenly split, since QTI 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.
CAH vs QTI: side by side
| CAH (Cardinal Health) | QTI (QT Imaging Holdings, Inc.) | |
|---|---|---|
| 1-year return | +59.2% | -91.6% |
| 5-year return | +409.0% | -97.9% |
| Volatility (ann.) | 24.2% | 108.2% |
| Beta vs S&P 500 | 0.31 | 0.12 |
| Max drawdown (3Y) | -20.4% | -98.6% |
| Market cap | $54.7B | – |
| P/E (trailing) | 33.0 | – |
| Dividend yield | 0.86% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | CAH | QTI |
|---|---|---|
| 2022 | +54.1% | +3.1% |
| 2023 | +34.1% | +7.7% |
| 2024 | +19.0% | -95.6% |
| 2025 | +76.3% | -16.7% |
| 2026 | +15.2% | -48.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CAH and QTI good diversifiers for each other?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CAH and QTI?
The CAH/QTI correlation stands at -0.27 on a 3-year window (1 year: -0.54, 5 years: -0.21), computed from weekly returns as of 2026-08-27.
Is QTI a good diversifier for CAH?
Yes: at -0.27, the two have gone their own ways historically, which is what genuine diversification looks like.
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/cah-vs-qti.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cah-vs-qti/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CAH correlations · QTI correlations
