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AIFF vs WLYB: Correlation

Firefly Neuroscience, Inc. (AIFF) and John Wiley & Sons, Inc. (WLYB) show a moderate relationship: their 3-year correlation of weekly returns is 0.31.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.31
moderate
Correlation (1Y)
0.56
last 12 months
Correlation (5Y)
0.25
long-run
Ann. covariance
2174.9
%² · weekly, annualized

How correlated are AIFF and WLYB?

On 3 years of weekly data the AIFF/WLYB correlation comes out at 0.31, moderate. The past 12 months show a tighter link (0.56) than the 3-year average (0.31). The 5-year figure is 0.25, and annualized covariance runs at 2174.9 %².

Among the 15 assets we track against AIFF, WLYB ranks #9 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months WLYB outperformed by 99.8 percentage points (-58.9% for AIFF against +40.9% for WLYB). Note the risk asymmetry: AIFF runs 5.1 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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 WLYB: side by side

AIFF (Firefly Neuroscience, Inc.)WLYB (John Wiley & Sons, Inc.)
1-year return-58.9%+40.9%
5-year return-98.8%+10.5%
Volatility (ann.)190.4%37.4%
Beta vs S&P 5001.780.31
Max drawdown (3Y)-95.9%-41.5%
Market cap$2.8B
P/E (trailing)13.0
Dividend yield0.00%2.64%
Sector / categoryUS ListedUS Listed
Higher yield: WLYB 2.64% vs 0.00%Smaller drawdown: WLYB -41.5% vs -95.9%Higher 5y return: WLYB +10.5% vs -98.8%
-75%0%+41%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). AIFF · WLYB

Year-by-year returns

YearAIFFWLYB
2022-90.3%-27.5%
2023-64.8%-14.7%
2024-47.7%+41.5%
2025-66.8%-27.3%
2026+22.7%+78.3%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are AIFF and WLYB good diversifiers for each other?

A fair diversifier. At 0.31, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between AIFF and WLYB?

Using weekly returns as of 2026-08-27: 0.31 over 3 years, with 0.56 over the last year and 0.25 over 5 years.

Is WLYB a good diversifier for AIFF?

A fair diversifier. At 0.31, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.31 mean?

On the −1 to +1 scale, 0.31 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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AIFF vs WLYB: 3-year weekly correlation 0.31AIFF vs WLYB0.31

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Hubs: AIFF correlations · WLYB correlations