BRTX vs VRRM: Correlation
How closely do BioRestorative Therapies, Inc. (BRTX) and Verra Mobility Corporation (VRRM) trade together? Their weekly returns over three years give a correlation of -0.47, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BRTX and VRRM?
Across a 3-year window, the weekly returns of BRTX and VRRM correlate at -0.47, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.75) runs below the 3-year figure (-0.47). Stretching to 5 years gives -0.35, with an annualized covariance of -3008.1 %².
VRRM is close to the least connected end of BRTX's tracked universe, ranking #10 of 10. Their 12-month results are close: -86.8% for BRTX against -82.6% for VRRM. One caveat on sizing: BRTX is 2.5 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.
BRTX vs VRRM: side by side
| BRTX (BioRestorative Therapies, Inc.) | VRRM (Verra Mobility Corporation) | |
|---|---|---|
| 1-year return | -86.8% | -82.6% |
| 5-year return | -98.4% | -71.6% |
| Volatility (ann.) | 125.6% | 50.8% |
| Beta vs S&P 500 | 1.27 | 0.33 |
| Max drawdown (3Y) | -95.1% | -87.5% |
| Market cap | – | $0.7B |
| P/E (trailing) | – | 16.3 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BRTX | VRRM |
|---|---|---|
| 2022 | -36.6% | -10.4% |
| 2023 | -36.7% | +66.5% |
| 2024 | -17.8% | +5.0% |
| 2025 | -17.8% | -7.3% |
| 2026 | -82.5% | -80.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BRTX and VRRM good diversifiers for each other?
Yes: at -0.47, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BRTX and VRRM?
The BRTX/VRRM correlation stands at -0.47 on a 3-year window (1 year: -0.75, 5 years: -0.35), computed from weekly returns as of 2026-08-27.
Is VRRM a good diversifier for BRTX?
Yes: at -0.47, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.47 mean?
On the −1 to +1 scale, -0.47 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/brtx-vs-vrrm.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/brtx-vs-vrrm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BRTX correlations · VRRM correlations