ACHC vs EVH: Correlation
Acadia Healthcare Company, Inc. (ACHC) and Evolent Health, Inc (EVH) show a moderate relationship: their 3-year correlation of weekly returns is 0.38.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACHC and EVH?
Across a 3-year window, the weekly returns of ACHC and EVH correlate at 0.38, moderate. Little has changed lately, as the 1-year reading of 0.41 lands near the 3-year figure. Stretching to 5 years gives 0.38, with an annualized covariance of 1609.6 %².
EVH is one of the assets that tracks ACHC most closely: it ranks #1 out of the 10 assets we track against ACHC. Their recent paths diverged sharply: over the last 12 months ACHC outperformed by 88.5 percentage points (+36.2% for ACHC against -52.3% for EVH).
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.
ACHC vs EVH: side by side
| ACHC (Acadia Healthcare Company, Inc.) | EVH (Evolent Health, Inc) | |
|---|---|---|
| 1-year return | +36.2% | -52.3% |
| 5-year return | -54.4% | -81.3% |
| Volatility (ann.) | 58.4% | 72.4% |
| Beta vs S&P 500 | 0.62 | 0.65 |
| Max drawdown (3Y) | -86.6% | -93.8% |
| Market cap | $2.8B | $0.5B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACHC | EVH |
|---|---|---|
| 2022 | +35.6% | +1.5% |
| 2023 | -5.5% | +17.6% |
| 2024 | -49.0% | -65.9% |
| 2025 | -64.2% | -64.4% |
| 2026 | +113.0% | +14.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACHC and EVH good diversifiers for each other?
Reasonably. At 0.38, ACHC and EVH keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ACHC and EVH?
The ACHC/EVH correlation stands at 0.38 on a 3-year window (1 year: 0.41, 5 years: 0.38), computed from weekly returns as of 2026-08-27.
Is EVH a good diversifier for ACHC?
Reasonably. At 0.38, ACHC and EVH keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.38 mean?
On the −1 to +1 scale, 0.38 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/achc-vs-evh.json
Embed this badge (it refreshes with the data), with attribution:
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Related comparisons
Hubs: ACHC correlations · EVH correlations
