PSO vs. ACHC
PSO (Pearson plc) and ACHC (Acadia Healthcare Company, Inc.) are both stocks. PSO operates in Publishing (Communication Services), while ACHC operates in Medical Care Facilities (Healthcare). Over the past 10 years, PSO returned 5.16%/yr vs -7.82%/yr for ACHC. At a 0.16 correlation, their price movements are largely independent.
Performance
PSO vs. ACHC - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, PSO achieves a 8.70% return, which is significantly lower than ACHC's 72.94% return. Over the past 10 years, PSO has outperformed ACHC with an annualized return of 5.16%, while ACHC has yielded a comparatively lower -7.82% annualized return.
PSO
- 1D
- 0.47%
- 1M
- -1.32%
- YTD
- 8.70%
- 6M
- 8.09%
- 1Y
- 5.54%
- 3Y*
- 15.79%
- 5Y*
- 7.50%
- 10Y*
- 5.16%
ACHC
- 1D
- -2.66%
- 1M
- 5.87%
- YTD
- 72.94%
- 6M
- 74.04%
- 1Y
- 17.70%
- 3Y*
- -31.31%
- 5Y*
- -17.42%
- 10Y*
- -7.82%
PSO vs. ACHC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PSO Pearson plc | 8.70% | -11.20% | 34.16% | 12.00% | 37.70% | -6.13% | 13.24% | -27.76% | 24.26% | 4.53% |
ACHC Acadia Healthcare Company, Inc. | 72.94% | -64.21% | -49.01% | -5.54% | 35.62% | 20.77% | 51.29% | 29.21% | -21.21% | -1.42% |
Correlation
The correlation between PSO and ACHC is 0.19, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.19 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.19 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.20 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.23 |
Correlation (All Time) Calculated using the full available price history since Sep 1, 2000 | 0.16 |
Fundamentals
PSO:
$9.75B
ACHC:
$2.23B
PSO:
£1.16
ACHC:
-$12.22
PSO:
1.05
ACHC:
0.66
PSO:
2.02
ACHC:
1.14
PSO:
£7.12B
ACHC:
$3.37B
PSO:
£3.66B
ACHC:
$1.76B
PSO:
£2.01B
ACHC:
-$726.15M
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
PSO vs. ACHC — Risk / Return Rank
PSO
ACHC
PSO vs. ACHC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Pearson plc (PSO) and Acadia Healthcare Company, Inc. (ACHC). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| PSO | ACHC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.03 | ||
| Sortino ratioReturn per unit of downside risk | -0.42 | ||
| Omega ratioGain probability vs. loss probability | 1.07 | 1.11 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 0.28 | 0.31 | -0.03 |
| Martin ratioReturn relative to average drawdown | 0.64 | 0.67 | -0.03 |
Loading charts...
Drawdowns
PSO vs. ACHC - Drawdown Comparison
The maximum PSO drawdown since its inception was -74.78%, smaller than the maximum ACHC drawdown of -98.77%. Use the drawdown chart below to compare losses from any high point for PSO and ACHC.
Loading charts...
Drawdown Indicators
| PSO | ACHC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -74.78% | -98.77% | +23.99% |
Max Drawdown (1Y)Largest decline over 1 year | -19.64% | -57.11% | +37.47% |
Max Drawdown (3Y)Largest decline over 3 years | -30.73% | -86.63% | +55.90% |
Max Drawdown (5Y)Largest decline over 5 years | -35.60% | -86.89% | +51.29% |
Max Drawdown (10Y)Largest decline over 10 years | -58.32% | -86.89% | +28.57% |
Current DrawdownCurrent decline from peak | -12.33% | -72.45% | +60.12% |
Average DrawdownAverage peak-to-trough decline | -36.52% | -56.48% | +19.96% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.67% | 26.56% | -17.89% |
Volatility
PSO vs. ACHC - Volatility Comparison
The current volatility for Pearson plc (PSO) is 5.39%, while Acadia Healthcare Company, Inc. (ACHC) has a volatility of 15.49%. This indicates that PSO experiences smaller price fluctuations and is considered to be less risky than ACHC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| PSO | ACHC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.39% | 15.49% | -10.10% |
Volatility (6M)Calculated over the trailing 6-month period | 19.05% | 48.49% | -29.44% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.26% | 65.92% | -42.66% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 28.43% | 46.10% | -17.67% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.96% | 48.62% | -16.66% |
Dividends
PSO vs. ACHC - Dividend Comparison
PSO's dividend yield for the trailing twelve months is around 2.16%, while ACHC has not paid dividends to shareholders.
| 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% |
PSO Pearson plc | 2.16% | 2.12% | 1.82% | 2.21% | 2.40% | 3.27% | 2.74% | 2.90% | 1.96% | 5.14% | 7.28% | 7.48% |
Financials
PSO vs. ACHC - Financials Comparison
This section allows you to compare key financial metrics between Pearson plc and Acadia Healthcare Company, Inc.. 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
PSO vs. ACHC - Profitability Comparison
PSO - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Pearson plc reported a gross profit of 974.95M and revenue of 1.84B. Therefore, the gross margin over that period was 52.9%.
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%.
PSO - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Pearson plc reported an operating income of 273.30M and revenue of 1.84B, resulting in an operating margin of 14.8%.
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%.
PSO - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Pearson plc reported a net income of 169.95M and revenue of 1.84B, resulting in a net margin of 9.2%.
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%.
Frequently Asked Questions
PSO and ACHC have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ACHC has higher volatility (15.49%) compared to PSO (5.39%). In terms of maximum drawdown, PSO dropped -74.78% vs ACHC's -98.77%.
ACHC currently has the higher Sharpe Ratio (0.27 vs 0.24), 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.
Find the right allocation for PSO and ACHC
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer