BRTX vs SFL: Correlation
BioRestorative Therapies, Inc. (BRTX) and SFL Corporation Ltd (SFL) show a negative relationship: their 3-year correlation of weekly returns is -0.30.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BRTX and SFL?
Across a 3-year window, the weekly returns of BRTX and SFL correlate at -0.30, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.57) than the 3-year average (-0.30). Stretching to 5 years gives -0.15, with an annualized covariance of -1040.3 %².
Out of 10 assets tracked against BRTX, SFL lands near the bottom at #8. The last year tells two different stories: SFL led by 142.2 percentage points, -86.8% for BRTX against +55.4% for SFL. One caveat on sizing: BRTX is 4.5 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 SFL: side by side
| BRTX (BioRestorative Therapies, Inc.) | SFL (SFL Corporation Ltd) | |
|---|---|---|
| 1-year return | -86.8% | +55.4% |
| 5-year return | -98.4% | +130.7% |
| Volatility (ann.) | 125.6% | 28.0% |
| Beta vs S&P 500 | 1.27 | 0.53 |
| Max drawdown (3Y) | -95.1% | -46.4% |
| Market cap | – | $1.7B |
| P/E (trailing) | – | 25.2 |
| Dividend yield | 0.00% | 3.33% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BRTX | SFL |
|---|---|---|
| 2022 | -36.6% | +23.5% |
| 2023 | -36.7% | +34.5% |
| 2024 | -17.8% | -0.8% |
| 2025 | -17.8% | -18.6% |
| 2026 | -82.5% | +64.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BRTX and SFL good diversifiers for each other?
By historical standards, yes. A correlation of -0.30 means the two rarely move for the same reasons.
FAQ
What is the correlation between BRTX and SFL?
As of 2026-08-27, the correlation of weekly returns between BRTX and SFL is -0.30 over 3 years, -0.57 over 1 year and -0.15 over 5 years.
Is SFL a good diversifier for BRTX?
By historical standards, yes. A correlation of -0.30 means the two rarely move for the same reasons.
What does a correlation of -0.30 mean?
On the −1 to +1 scale, -0.30 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
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Related comparisons
Hubs: BRTX correlations · SFL correlations
