ACFN vs CELC: Correlation
How closely do Acorn Energy, Inc. (ACFN) and Celcuity Inc. (CELC) trade together? Their weekly returns over three years give a correlation of 0.37, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACFN and CELC?
Across a 3-year window, the weekly returns of ACFN and CELC correlate at 0.37, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.11 versus 0.37 over 3 years. Stretching to 5 years gives 0.33, with an annualized covariance of 3784.8 %².
CELC is one of the assets that tracks ACFN most closely: it ranks #1 out of the 14 assets we track against ACFN. Their recent paths diverged sharply: over the last 12 months CELC outperformed by 113.6 percentage points (-27.0% for ACFN against +86.6% for CELC). Note the risk asymmetry: CELC runs 1.5 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.
ACFN vs CELC: side by side
| ACFN (Acorn Energy, Inc.) | CELC (Celcuity Inc.) | |
|---|---|---|
| 1-year return | -27.0% | +86.6% |
| 5-year return | +122.5% | +324.8% |
| Volatility (ann.) | 81.3% | 124.5% |
| Beta vs S&P 500 | 0.68 | 0.76 |
| Max drawdown (3Y) | -58.1% | -62.0% |
| Market cap | $0.1B | $4.6B |
| P/E (trailing) | 33.9 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACFN | CELC |
|---|---|---|
| 2022 | -44.4% | +6.2% |
| 2023 | +8.8% | +4.0% |
| 2024 | +193.8% | -10.2% |
| 2025 | -15.6% | +662.0% |
| 2026 | +36.8% | -6.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACFN and CELC good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ACFN and CELC?
The ACFN/CELC correlation stands at 0.37 on a 3-year window (1 year: 0.11, 5 years: 0.33), computed from weekly returns as of 2026-08-27.
Is CELC a good diversifier for ACFN?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.37 mean?
On the −1 to +1 scale, 0.37 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/acfn-vs-celc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/acfn-vs-celc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ACFN correlations · CELC correlations
