BLK vs MOBX: Correlation
BlackRock (BLK) and Mobix Labs, Inc. (MOBX) show a negative relationship: their 3-year correlation of weekly returns is -0.20.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BLK and MOBX?
Across a 3-year window, the weekly returns of BLK and MOBX correlate at -0.20, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.39) than the 3-year average (-0.20). Stretching to 5 years gives -0.13, with an annualized covariance of -1678.2 %².
By 3-year correlation, MOBX places #37 of the 42 assets tracked against BLK. Correlation aside, the last 12 months split them widely, with BLK ahead by 93.3 points (+5.3% versus -88.0%). One caveat on sizing: MOBX is 13.5 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.
BLK vs MOBX: side by side
| BLK (BlackRock) | MOBX (Mobix Labs, Inc.) | |
|---|---|---|
| 1-year return | +5.3% | -88.0% |
| 5-year return | +38.9% | -98.8% |
| Volatility (ann.) | 24.7% | 333.1% |
| Beta vs S&P 500 | 1.19 | -0.62 |
| Max drawdown (3Y) | -23.7% | -99.1% |
| Market cap | $189.7B | – |
| P/E (trailing) | 28.1 | – |
| Dividend yield | 1.86% | 0.00% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | BLK | MOBX |
|---|---|---|
| 2022 | -20.4% | +3.8% |
| 2023 | +17.9% | -60.6% |
| 2024 | +29.3% | -57.7% |
| 2025 | +6.6% | -84.3% |
| 2026 | +10.3% | -57.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLK and MOBX good diversifiers for each other?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
FAQ
What is the correlation between BLK and MOBX?
As of 2026-08-27, the correlation of weekly returns between BLK and MOBX is -0.20 over 3 years, -0.39 over 1 year and -0.13 over 5 years.
Is MOBX a good diversifier for BLK?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
What does a correlation of -0.20 mean?
On the −1 to +1 scale, -0.20 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/blk-vs-mobx.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/blk-vs-mobx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BLK correlations · MOBX correlations
