PETZ vs QXL: Correlation
How closely do TDH Holdings, Inc. (PETZ) and Quantum X Labs Inc. (QXL) trade together? Their weekly returns over three years give a correlation of -0.26, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PETZ and QXL?
Over the past 3 years, PETZ and QXL moved with a correlation of -0.26, which is negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.11) runs above the 3-year figure (-0.26). Over 5 years the correlation is -0.08, and the annualized covariance of weekly returns is -11165.6 %².
Among the 11 assets we track against PETZ, QXL sits near the bottom by co-movement, at rank #11. The last year tells two different stories: QXL led by 26.2 percentage points, +27.4% for PETZ against +53.6% for QXL. One caveat on sizing: QXL is 12.4 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
PETZ vs QXL: side by side
| PETZ (TDH Holdings, Inc.) | QXL (Quantum X Labs Inc.) | |
|---|---|---|
| 1-year return | +27.4% | +53.6% |
| 5-year return | -97.2% | +14.0% |
| Volatility (ann.) | 58.5% | 724.3% |
| Beta vs S&P 500 | 0.40 | -2.23 |
| Max drawdown (3Y) | -51.2% | -96.2% |
| Market cap | – | $0.1B |
| P/E (trailing) | 6.9 | 13.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PETZ | QXL |
|---|---|---|
| 2022 | -98.0% | -78.8% |
| 2023 | -25.8% | -80.2% |
| 2024 | +8.7% | +1032.7% |
| 2025 | -27.2% | -70.1% |
| 2026 | +37.4% | +207.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PETZ and QXL good diversifiers for each other?
Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between PETZ and QXL?
As of 2026-08-27, the correlation of weekly returns between PETZ and QXL is -0.26 over 3 years, 0.11 over 1 year and -0.08 over 5 years.
Is QXL a good diversifier for PETZ?
Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.26 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/petz-vs-qxl.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/petz-vs-qxl/)
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Related comparisons
Hubs: PETZ correlations · QXL correlations
