ACFN vs DHC: Correlation
Measured on weekly returns over the past three years, Acorn Energy, Inc. (ACFN) and Diversified Healthcare Trust (DHC) carry a correlation of -0.21, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACFN and DHC?
On 3 years of weekly data the ACFN/DHC correlation comes out at -0.21, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.17) than the 3-year average (-0.21). The 5-year figure is -0.12, and annualized covariance runs at -983.5 %².
Among the 14 assets we track against ACFN, DHC ranks #9 by 3-year correlation. The last year tells two different stories: DHC led by 134.9 percentage points, -27.0% for ACFN against +107.9% for DHC.
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 DHC: side by side
| ACFN (Acorn Energy, Inc.) | DHC (Diversified Healthcare Trust) | |
|---|---|---|
| 1-year return | -27.0% | +107.9% |
| 5-year return | +122.5% | +129.1% |
| Volatility (ann.) | 81.3% | 57.3% |
| Beta vs S&P 500 | 0.68 | 0.54 |
| Max drawdown (3Y) | -58.1% | -51.2% |
| Market cap | $0.1B | $1.9B |
| P/E (trailing) | 33.9 | – |
| Dividend yield | 0.00% | 0.50% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACFN | DHC |
|---|---|---|
| 2022 | -44.4% | -78.5% |
| 2023 | +8.8% | +494.7% |
| 2024 | +193.8% | -37.6% |
| 2025 | -15.6% | +113.9% |
| 2026 | +36.8% | +62.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACFN and DHC good diversifiers for each other?
Yes. With a correlation of -0.21, ACFN and DHC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ACFN and DHC?
As of 2026-08-27, the correlation of weekly returns between ACFN and DHC is -0.21 over 3 years, 0.17 over 1 year and -0.12 over 5 years.
Is DHC a good diversifier for ACFN?
Yes. With a correlation of -0.21, ACFN and DHC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.21 mean?
A reading of -0.21 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
$ curl https://www.pairbook.io/api/v1/pairs/acfn-vs-dhc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/acfn-vs-dhc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ACFN correlations · DHC correlations
