ACHC vs. COST
ACHC (Acadia Healthcare Company, Inc.) and COST (Costco Wholesale Corporation) are both stocks. ACHC operates in Medical Care Facilities (Healthcare), while COST operates in Discount Stores (Consumer Defensive). Over the past 10 years, ACHC returned -8.10%/yr vs 22.34%/yr for COST. At a 0.10 correlation, their price movements are largely independent.
Performance
ACHC vs. COST - Performance Comparison
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Returns By Period
In the year-to-date period, ACHC achieves a 81.32% return, which is significantly higher than COST's 11.85% return. Over the past 10 years, ACHC has underperformed COST with an annualized return of -8.10%, while COST has yielded a comparatively higher 22.34% annualized return.
ACHC
- 1D
- 5.36%
- 1M
- -7.06%
- YTD
- 81.32%
- 6M
- 75.15%
- 1Y
- 14.66%
- 3Y*
- -28.19%
- 5Y*
- -17.07%
- 10Y*
- -8.10%
COST
- 1D
- 0.79%
- 1M
- -5.03%
- YTD
- 11.85%
- 6M
- 4.58%
- 1Y
- -8.37%
- 3Y*
- 25.00%
- 5Y*
- 21.24%
- 10Y*
- 22.34%
ACHC vs. COST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ACHC Acadia Healthcare Company, Inc. | 81.32% | -64.21% | -49.01% | -5.54% | 35.62% | 20.77% | 51.29% | 29.21% | -21.21% | -1.42% |
COST Costco Wholesale Corporation | 11.85% | -5.39% | 39.62% | 49.00% | -19.05% | 51.82% | 32.67% | 45.70% | 10.60% | 22.37% |
Correlation
The correlation between ACHC and COST is 0.05, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.05 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.12 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.22 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.21 |
Correlation (All Time) Calculated using the full available price history since Mar 7, 1994 | 0.10 |
The correlation between ACHC and COST shifts across timeframes, from 0.05 (1 year) to 0.22 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
ACHC:
-$12.22
COST:
$26.51
ACHC:
0.69
COST:
1.09
ACHC:
$3.37B
COST:
$293.59B
ACHC:
$1.76B
COST:
$11.12B
ACHC:
-$726.15M
COST:
$12.48B
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Return for Risk
ACHC vs. COST — Risk / Return Rank
ACHC
COST
ACHC vs. COST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Acadia Healthcare Company, Inc. (ACHC) and Costco Wholesale Corporation (COST). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| ACHC | COST | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.23 | -0.44 | +0.67 |
Sortino ratioReturn per unit of downside risk | 0.82 | -0.50 | +1.31 |
Omega ratioGain probability vs. loss probability | 1.10 | 0.94 | +0.16 |
Calmar ratioReturn relative to maximum drawdown | 0.26 | -0.44 | +0.70 |
Martin ratioReturn relative to average drawdown | 0.56 | -0.88 | +1.43 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| ACHC | COST | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.23 | -0.44 | +0.67 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.37 | 0.94 | -1.31 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.17 | 1.02 | -1.19 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.00 | 0.59 | -0.58 |
Drawdowns
ACHC vs. COST - Drawdown Comparison
The maximum ACHC drawdown since its inception was -98.77%, which is greater than COST's maximum drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for ACHC and COST.
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Drawdown Indicators
| ACHC | COST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -98.77% | -53.39% | -45.38% |
Max Drawdown (1Y)Largest decline over 1 year | -57.11% | -18.95% | -38.16% |
Max Drawdown (3Y)Largest decline over 3 years | -86.63% | -20.74% | -65.89% |
Max Drawdown (5Y)Largest decline over 5 years | -86.89% | -31.40% | -55.49% |
Max Drawdown (10Y)Largest decline over 10 years | -86.89% | -31.40% | -55.49% |
Current DrawdownCurrent decline from peak | -71.11% | -12.11% | -59.00% |
Average DrawdownAverage peak-to-trough decline | -56.46% | -13.36% | -43.10% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 26.44% | 9.86% | +16.58% |
Volatility
ACHC vs. COST - Volatility Comparison
Acadia Healthcare Company, Inc. (ACHC) has a higher volatility of 16.34% compared to Costco Wholesale Corporation (COST) at 8.05%. This indicates that ACHC's price experiences larger fluctuations and is considered to be riskier than COST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ACHC | COST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 16.34% | 8.05% | +8.29% |
Volatility (6M)Calculated over the trailing 6-month period | 49.97% | 14.83% | +35.14% |
Volatility (1Y)Calculated over the trailing 1-year period | 65.21% | 19.12% | +46.09% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 45.82% | 22.73% | +23.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 48.63% | 21.95% | +26.68% |
Dividends
ACHC vs. COST - Dividend Comparison
ACHC has not paid dividends to shareholders, while COST's dividend yield for the trailing twelve months is around 0.56%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ACHC Acadia Healthcare Company, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
COST Costco Wholesale Corporation | 0.56% | 0.59% | 0.49% | 2.87% | 0.76% | 0.54% | 3.38% | 0.86% | 1.08% | 4.81% | 1.09% | 4.06% |
Financials
ACHC vs. COST - Financials Comparison
This section allows you to compare key financial metrics between Acadia Healthcare Company, Inc. and Costco Wholesale Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
ACHC vs. COST - Profitability Comparison
ACHC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Acadia Healthcare Company, Inc. reported a gross profit of 0.00 and revenue of 828.80M. Therefore, the gross margin over that period was 0.0%.
COST - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Costco Wholesale Corporation reported a gross profit of -17.68B and revenue of 70.53B. Therefore, the gross margin over that period was -25.1%.
ACHC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Acadia Healthcare Company, Inc. reported an operating income of 0.00 and revenue of 828.80M, resulting in an operating margin of 0.0%.
COST - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Costco Wholesale Corporation reported an operating income of 2.82B and revenue of 70.53B, resulting in an operating margin of 4.0%.
ACHC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Acadia Healthcare Company, Inc. reported a net income of 4.11M and revenue of 828.80M, resulting in a net margin of 0.5%.
COST - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Costco Wholesale Corporation reported a net income of 2.19B and revenue of 70.53B, resulting in a net margin of 3.1%.
Frequently Asked Questions
ACHC and COST have a correlation of 0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ACHC has higher volatility (16.34%) compared to COST (8.05%). In terms of maximum drawdown, ACHC dropped -98.77% vs COST's -53.39%.
ACHC currently has the higher Sharpe Ratio (0.23 vs -0.44), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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