AIFU vs FENC: Correlation
How closely do AIFU Inc. - Class A (AIFU) and Fennec Pharmaceuticals Inc. (FENC) trade together? Their weekly returns over three years give a correlation of 0.30, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AIFU and FENC?
Over the past 3 years, AIFU and FENC moved with a correlation of 0.30, which is moderate. The link has tightened recently: the 1-year correlation (0.51) runs above the 3-year figure (0.30). Over 5 years the correlation is 0.26, and the annualized covariance of weekly returns is 1784.8 %².
Among the 10 assets we track against AIFU, FENC ranks #5 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months FENC outperformed by 105.4 percentage points (-75.2% for AIFU against +30.2% for FENC). Note the risk asymmetry: AIFU runs 1.8 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.
AIFU vs FENC: side by side
| AIFU (AIFU Inc. - Class A) | FENC (Fennec Pharmaceuticals Inc.) | |
|---|---|---|
| 1-year return | -75.2% | +30.2% |
| 5-year return | -99.6% | +49.7% |
| Volatility (ann.) | 103.3% | 58.3% |
| Beta vs S&P 500 | 1.17 | 1.41 |
| Max drawdown (3Y) | -99.6% | -65.6% |
| Market cap | $0.1B | $0.4B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AIFU | FENC |
|---|---|---|
| 2022 | +3.8% | +118.2% |
| 2023 | -10.1% | +16.9% |
| 2024 | -83.5% | -43.7% |
| 2025 | -87.8% | +21.8% |
| 2026 | -58.8% | +52.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AIFU and FENC good diversifiers for each other?
Reasonably. At 0.30, AIFU and FENC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between AIFU and FENC?
Using weekly returns as of 2026-08-27: 0.30 over 3 years, with 0.51 over the last year and 0.26 over 5 years.
Is FENC a good diversifier for AIFU?
Reasonably. At 0.30, AIFU and FENC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
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
$ curl https://www.pairbook.io/api/v1/pairs/aifu-vs-fenc.json
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Related comparisons
Hubs: AIFU correlations · FENC correlations
