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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

Correlation (3Y)
0.36
moderate
Correlation (1Y)
-0.02
last 12 months
Correlation (5Y)
0.33
long-run
Ann. covariance
11109.0
%² · weekly, annualized

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 5001.781.10
Max drawdown (3Y)-95.9%-99.9%
Market cap
P/E (trailing)0.0
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: AIFF -95.9% vs -99.9%Higher 5y return: AIFF -98.8% vs -99.9%
-96%0%+36%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). AIFF · MBRX

Year-by-year returns

YearAIFFMBRX
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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/aiff-vs-mbrx.json

AIFF vs MBRX: 3-year weekly correlation 0.36AIFF vs MBRX0.36

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Related comparisons

Hubs: AIFF correlations · MBRX correlations