MDBH vs QXL: Correlation
MDB Capital Holdings, LLC - Class A common (MDBH) and Quantum X Labs Inc. (QXL) show a moderate relationship: their 3-year correlation of weekly returns is 0.39.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MDBH and QXL?
On 3 years of weekly data the MDBH/QXL correlation comes out at 0.39, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.18 versus 0.39 over 3 years. The 5-year figure is n/a, and annualized covariance runs at 18127.2 %².
In MDBH's tracked universe of 10 assets, QXL sits right near the top at #3. The last year tells two different stories: QXL led by 69.5 percentage points, -15.9% for MDBH against +53.6% for QXL. Risk is not evenly split, since QXL carries 11.5 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.
MDBH vs QXL: side by side
| MDBH (MDB Capital Holdings, LLC - Class A common) | QXL (Quantum X Labs Inc.) | |
|---|---|---|
| 1-year return | -15.9% | +53.6% |
| 5-year return | n/a | +14.0% |
| Volatility (ann.) | 63.1% | 724.3% |
| Beta vs S&P 500 | 0.25 | -2.23 |
| Max drawdown (3Y) | -78.6% | -96.2% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | 13.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MDBH | QXL |
|---|---|---|
| 2022 | – | -78.8% |
| 2023 | – | -80.2% |
| 2024 | -45.4% | +1032.7% |
| 2025 | -48.5% | -70.1% |
| 2026 | -10.6% | +207.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MDBH and QXL good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.39 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between MDBH and QXL?
Using weekly returns as of 2026-08-27: 0.39 over 3 years, with 0.18 over the last year and n/a over 5 years.
Is QXL a good diversifier for MDBH?
Yes, to a useful degree: a correlation of 0.39 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.39 mean?
On the −1 to +1 scale, 0.39 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/mdbh-vs-qxl.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/mdbh-vs-qxl/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: MDBH correlations · QXL correlations
