QTI vs ROOT: Correlation
How closely do QT Imaging Holdings, Inc. (QTI) and Root, Inc. (ROOT) trade together? Their weekly returns over three years give a correlation of -0.25, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QTI and ROOT?
On 3 years of weekly data the QTI/ROOT correlation comes out at -0.25, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.09) runs above the 3-year figure (-0.25). The 5-year figure is -0.21, and annualized covariance runs at -3500.5 %².
Within QTI's tracked universe of 24 assets, ROOT comes in at #14 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ROOT ahead by 53.5 points (-91.6% versus -38.1%).
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.
QTI vs ROOT: side by side
| QTI (QT Imaging Holdings, Inc.) | ROOT (Root, Inc.) | |
|---|---|---|
| 1-year return | -91.6% | -38.1% |
| 5-year return | -97.9% | -52.1% |
| Volatility (ann.) | 108.2% | 127.9% |
| Beta vs S&P 500 | 0.12 | 1.45 |
| Max drawdown (3Y) | -98.6% | -75.7% |
| Market cap | – | $0.9B |
| P/E (trailing) | – | 16.3 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | QTI | ROOT |
|---|---|---|
| 2022 | +3.1% | -92.0% |
| 2023 | +7.7% | +133.4% |
| 2024 | -95.6% | +592.7% |
| 2025 | -16.7% | -0.5% |
| 2026 | -48.9% | -23.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QTI and ROOT good diversifiers for each other?
Yes. With a correlation of -0.25, QTI and ROOT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between QTI and ROOT?
As of 2026-08-27, the correlation of weekly returns between QTI and ROOT is -0.25 over 3 years, -0.09 over 1 year and -0.21 over 5 years.
Is ROOT a good diversifier for QTI?
Yes. With a correlation of -0.25, QTI and ROOT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.25 mean?
A reading of -0.25 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/qti-vs-root.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/qti-vs-root/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: QTI correlations · ROOT correlations
