FSP vs MOBX: Correlation
Franklin Street Properties Corp. (FSP) and Mobix Labs, Inc. (MOBX) show a negative relationship: their 3-year correlation of weekly returns is -0.19.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FSP and MOBX?
Over the past 3 years, FSP and MOBX moved with a correlation of -0.19, which is negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.30) than the 3-year average (-0.19). Over 5 years the correlation is -0.14, and the annualized covariance of weekly returns is -2964.3 %².
MOBX is close to the least connected end of FSP's tracked universe, ranking #8 of 10. On 12-month performance FSP holds a 13.4-point edge, -74.6% against -88.0%. One caveat on sizing: MOBX is 7.1 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.
FSP vs MOBX: side by side
| FSP (Franklin Street Properties Corp.) | MOBX (Mobix Labs, Inc.) | |
|---|---|---|
| 1-year return | -74.6% | -88.0% |
| 5-year return | -89.6% | -98.8% |
| Volatility (ann.) | 47.1% | 333.1% |
| Beta vs S&P 500 | 1.01 | -0.62 |
| Max drawdown (3Y) | -83.8% | -99.1% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 4.79% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FSP | MOBX |
|---|---|---|
| 2022 | -52.3% | +3.8% |
| 2023 | -4.1% | -60.6% |
| 2024 | -27.0% | -57.7% |
| 2025 | -46.8% | -84.3% |
| 2026 | -56.2% | -57.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FSP and MOBX good diversifiers for each other?
Yes: at -0.19, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between FSP and MOBX?
As of 2026-08-27, the correlation of weekly returns between FSP and MOBX is -0.19 over 3 years, -0.30 over 1 year and -0.14 over 5 years.
Is MOBX a good diversifier for FSP?
Yes: at -0.19, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.19 mean?
On the −1 to +1 scale, -0.19 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/fsp-vs-mobx.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/fsp-vs-mobx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: FSP correlations · MOBX correlations
