MDBH vs PSNL: Correlation
MDB Capital Holdings, LLC - Class A common (MDBH) and Personalis, Inc. (PSNL) show a moderate relationship: their 3-year correlation of weekly returns is 0.37.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MDBH and PSNL?
Across a 3-year window, the weekly returns of MDBH and PSNL correlate at 0.37, moderate. The link has loosened recently: the 1-year correlation (0.21) runs below the 3-year figure (0.37). Stretching to 5 years gives n/a, with an annualized covariance of 3028.0 %².
Among the 10 assets we track against MDBH, PSNL ranks #4 by 3-year correlation. The last year tells two different stories: PSNL led by 267.4 percentage points, -15.9% for MDBH against +251.5% for PSNL. One caveat on sizing: PSNL is 2.1 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.
MDBH vs PSNL: side by side
| MDBH (MDB Capital Holdings, LLC - Class A common) | PSNL (Personalis, Inc.) | |
|---|---|---|
| 1-year return | -15.9% | +251.5% |
| 5-year return | n/a | -19.1% |
| Volatility (ann.) | 63.1% | 130.7% |
| Beta vs S&P 500 | 0.25 | 1.14 |
| Max drawdown (3Y) | -78.6% | -55.2% |
| Market cap | – | $1.8B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MDBH | PSNL |
|---|---|---|
| 2022 | – | -86.1% |
| 2023 | – | +6.1% |
| 2024 | -45.4% | +175.2% |
| 2025 | -48.5% | +37.7% |
| 2026 | -10.6% | +111.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MDBH and PSNL good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between MDBH and PSNL?
Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.21 over the last year and n/a over 5 years.
Is PSNL a good diversifier for MDBH?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.37 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/mdbh-vs-psnl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mdbh-vs-psnl/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MDBH correlations · PSNL correlations
