FDMT vs QXL: Correlation
4D Molecular Therapeutics, Inc. (FDMT) and Quantum X Labs Inc. (QXL) show a negative relationship: their 3-year correlation of weekly returns is -0.25.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FDMT and QXL?
Over the past 3 years, FDMT and QXL moved with a correlation of -0.25, which is negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.12) runs above the 3-year figure (-0.25). Over 5 years the correlation is -0.16, and the annualized covariance of weekly returns is -16319.5 %².
Among the 15 assets we track against FDMT, QXL sits near the bottom by co-movement, at rank #15. The last year tells two different stories: FDMT led by 77.2 percentage points, +130.8% for FDMT against +53.6% for QXL. Risk is not evenly split, since QXL carries 8.1 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.
FDMT vs QXL: side by side
| FDMT (4D Molecular Therapeutics, Inc.) | QXL (Quantum X Labs Inc.) | |
|---|---|---|
| 1-year return | +130.8% | +53.6% |
| 5-year return | -50.9% | +14.0% |
| Volatility (ann.) | 89.9% | 724.3% |
| Beta vs S&P 500 | 1.09 | -2.23 |
| Max drawdown (3Y) | -93.0% | -96.2% |
| Market cap | $0.8B | $0.1B |
| P/E (trailing) | – | 13.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FDMT | QXL |
|---|---|---|
| 2022 | +1.2% | -78.8% |
| 2023 | -8.8% | -80.2% |
| 2024 | -72.5% | +1032.7% |
| 2025 | +34.6% | -70.1% |
| 2026 | +98.8% | +207.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FDMT and QXL good diversifiers for each other?
Yes. With a correlation of -0.25, FDMT and QXL have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between FDMT and QXL?
Using weekly returns as of 2026-08-27: -0.25 over 3 years, with 0.12 over the last year and -0.16 over 5 years.
Is QXL a good diversifier for FDMT?
Yes. With a correlation of -0.25, FDMT and QXL have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.25 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/fdmt-vs-qxl.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/fdmt-vs-qxl/)
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Hubs: FDMT correlations · QXL correlations