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AIFF vs CSTE: Correlation

Firefly Neuroscience, Inc. (AIFF) and Caesarstone Ltd. (CSTE) show a negative relationship: their 3-year correlation of weekly returns is -0.24.

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

Correlation (3Y)
-0.24
negative
Correlation (1Y)
-0.39
last 12 months
Correlation (5Y)
-0.21
long-run
Ann. covariance
-4629.7
%² · weekly, annualized

How correlated are AIFF and CSTE?

Over the past 3 years, AIFF and CSTE moved with a correlation of -0.24, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.39 versus -0.24 over 3 years. Over 5 years the correlation is -0.21, and the annualized covariance of weekly returns is -4629.7 %².

CSTE is close to the least connected end of AIFF's tracked universe, ranking #14 of 15. Correlation aside, the last 12 months split them widely, with CSTE ahead by 175.8 points (-58.9% versus +116.9%). Note the risk asymmetry: AIFF runs 1.9 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 CSTE: side by side

AIFF (Firefly Neuroscience, Inc.)CSTE (Caesarstone Ltd.)
1-year return-58.9%+116.9%
5-year return-98.8%-74.8%
Volatility (ann.)190.4%100.4%
Beta vs S&P 5001.781.27
Max drawdown (3Y)-95.9%-90.8%
Market cap$0.1B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: CSTE -90.8% vs -95.9%Higher 5y return: CSTE -74.8% vs -98.8%
-75%0%+150%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. AIFF · CSTE

Year-by-year returns

YearAIFFCSTE
2022-90.3%-48.4%
2023-64.8%-34.5%
2024-47.7%+13.6%
2025-66.8%-56.2%
2026+22.7%+72.6%

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

Are AIFF and CSTE good diversifiers for each other?

By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.

FAQ

What is the correlation between AIFF and CSTE?

As of 2026-08-27, the correlation of weekly returns between AIFF and CSTE is -0.24 over 3 years, -0.39 over 1 year and -0.21 over 5 years.

Is CSTE a good diversifier for AIFF?

By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.

What does a correlation of -0.24 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

AIFF vs CSTE: 3-year weekly correlation -0.24AIFF vs CSTE-0.24

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Related comparisons

Hubs: AIFF correlations · CSTE correlations