AIFF vs MBRX: Correlation
Measured on weekly returns over the past three years, Firefly Neuroscience, Inc. (AIFF) and Moleculin Biotech, Inc. (MBRX) carry a correlation of 0.36, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AIFF and MBRX?
On 3 years of weekly data the AIFF/MBRX correlation comes out at 0.36, moderate. Lately the two have drifted apart, with the 1-year correlation at -0.02 versus 0.36 over 3 years. The 5-year figure is 0.33, and annualized covariance runs at 11109.0 %².
By 3-year correlation, MBRX places #8 of the 15 assets tracked against AIFF. The last year tells two different stories: AIFF led by 36.6 percentage points, -58.9% for AIFF against -95.5% for MBRX.
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.
AIFF vs MBRX: side by side
| AIFF (Firefly Neuroscience, Inc.) | MBRX (Moleculin Biotech, Inc.) | |
|---|---|---|
| 1-year return | -58.9% | -95.5% |
| 5-year return | -98.8% | -99.9% |
| Volatility (ann.) | 190.4% | 160.4% |
| Beta vs S&P 500 | 1.78 | 1.10 |
| Max drawdown (3Y) | -95.9% | -99.9% |
| Market cap | – | – |
| P/E (trailing) | – | 0.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AIFF | MBRX |
|---|---|---|
| 2022 | -90.3% | -43.0% |
| 2023 | -64.8% | -19.1% |
| 2024 | -47.7% | -86.8% |
| 2025 | -66.8% | -92.2% |
| 2026 | +22.7% | -79.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AIFF and MBRX good diversifiers for each other?
Reasonably. At 0.36, AIFF and MBRX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between AIFF and MBRX?
The AIFF/MBRX correlation stands at 0.36 on a 3-year window (1 year: -0.02, 5 years: 0.33), computed from weekly returns as of 2026-08-27.
Is MBRX a good diversifier for AIFF?
Reasonably. At 0.36, AIFF and MBRX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.36 mean?
A reading of 0.36 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aiff-vs-mbrx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/aiff-vs-mbrx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: AIFF correlations · MBRX correlations