ACH vs AHCO: Correlation
Accendra Health, Inc. (ACH) and AdaptHealth Corp. (AHCO) show a moderate relationship: their 3-year correlation of weekly returns is 0.44.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACH and AHCO?
On 3 years of weekly data the ACH/AHCO correlation comes out at 0.44, moderate. The past 12 months show a weaker link (0.28) than the 3-year average (0.44). The 5-year figure is 0.39, and annualized covariance runs at 2419.9 %².
In ACH's tracked universe of 16 assets, AHCO sits right near the top at #1. Their recent paths diverged sharply: over the last 12 months AHCO outperformed by 38.3 percentage points (-75.3% for ACH against -37.0% for AHCO).
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.
ACH vs AHCO: side by side
| ACH (Accendra Health, Inc.) | AHCO (AdaptHealth Corp.) | |
|---|---|---|
| 1-year return | -75.3% | -37.0% |
| 5-year return | -96.8% | -75.6% |
| Volatility (ann.) | 89.1% | 62.0% |
| Beta vs S&P 500 | 1.37 | 0.40 |
| Max drawdown (3Y) | -96.6% | -61.0% |
| Market cap | $0.1B | $0.8B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACH | AHCO |
|---|---|---|
| 2022 | -55.1% | -21.4% |
| 2023 | -1.3% | -62.1% |
| 2024 | -32.2% | +30.6% |
| 2025 | -78.6% | +4.6% |
| 2026 | -56.8% | -41.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACH and AHCO good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ACH and AHCO?
The ACH/AHCO correlation stands at 0.44 on a 3-year window (1 year: 0.28, 5 years: 0.39), computed from weekly returns as of 2026-08-27.
Is AHCO a good diversifier for ACH?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.44 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
$ curl https://www.pairbook.io/api/v1/pairs/ach-vs-ahco.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ach-vs-ahco/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ACH correlations · AHCO correlations
