SEM vs. CYH

Last updated Jun 9, 2026

SEM (Select Medical Holdings Corporation) and CYH (Community Health Systems, Inc.) are both stocks. Both operate in the Medical Care Facilities industry within the Healthcare sector. Over the past 10 years, SEM returned 11.09%/yr vs -15.02%/yr for CYH. At a 0.45 correlation, their price movements are largely independent.

Performance

SEM vs. CYH - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Select Medical Holdings Corporation (SEM) and Community Health Systems, Inc. (CYH). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SEM achieves a 12.48% return, which is significantly higher than CYH's -11.54% return. Over the past 10 years, SEM has outperformed CYH with an annualized return of 11.09%, while CYH has yielded a comparatively lower -15.02% annualized return.

SEM

• 1D: 0.18%
• 1M: 1.36%
• YTD: 12.48%
• 6M: 12.02%
• 1Y: 9.24%
• 3Y*: 4.38%
• 5Y*: -3.65%
• 10Y*: 11.09%

CYH

• 1D: 0.73%
• 1M: -1.08%
• YTD: -11.54%
• 6M: -16.87%
• 1Y: -29.41%
• 3Y*: -9.31%
• 5Y*: -29.02%
• 10Y*: -15.02%

*Multi-year figures are annualized to reflect compound growth (CAGR)

SEM vs. CYH - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SEM Select Medical Holdings Corporation	12.48%	-19.84%	51.24%	-3.52%	-13.85%	7.41%	18.51%	52.05%	-13.03%	33.21%
CYH Community Health Systems, Inc.	-11.54%	4.35%	-4.47%	-27.55%	-67.54%	79.14%	156.21%	2.84%	-33.80%	-23.79%

Correlation

The correlation between SEM and CYH is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.39
Correlation (3Y) Calculated over the trailing 3-year period	0.45
Correlation (5Y) Calculated over the trailing 5-year period	0.51
Correlation (10Y) Calculated over the trailing 10-year period	0.48
Correlation (All Time) Calculated using the full available price history since Sep 28, 2009	0.45

The correlation between SEM and CYH shifts across timeframes, from 0.39 (1 year) to 0.51 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

EPS SEM : $1.44 CYH : $3.44
PE Ratio SEM : 11.49 CYH : 0.80
PS Ratio SEM : 0.28 CYH : 0.03
Total Revenue (TTM) SEM : $5.52B CYH : $12.29B
Gross Profit (TTM) SEM : $588.00M CYH : $1.43B
EBITDA (TTM) SEM : $442.21M CYH : $1.61B

Return for Risk

SEM vs. CYH — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SEM

SEM Risk / Return Rank: 51
SEM Sharpe Ratio Rank: 53
SEM Sortino Ratio Rank: 46
SEM Omega Ratio Rank: 51
SEM Calmar Ratio Rank: 51
SEM Martin Ratio Rank: 53

CYH

CYH Risk / Return Rank: 20
CYH Sharpe Ratio Rank: 21
CYH Sortino Ratio Rank: 23
CYH Omega Ratio Rank: 22
CYH Calmar Ratio Rank: 17
CYH Martin Ratio Rank: 18

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SEM vs. CYH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Select Medical Holdings Corporation (SEM) and Community Health Systems, Inc. (CYH). 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.

	SEM	CYH	Difference
Sharpe ratio: Return per unit of total volatility	0.30	-0.49	+0.79
Sortino ratio: Return per unit of downside risk	0.62	-0.37	+1.00
Omega ratio: Gain probability vs. loss probability	1.11	0.95	+0.16
Calmar ratio: Return relative to maximum drawdown	0.39	-0.68	+1.06
Martin ratio: Return relative to average drawdown	0.98	-1.13	+2.11
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SEM vs. CYH - Sharpe Ratio Comparison

The current SEM Sharpe Ratio is 0.30, which is higher than the CYH Sharpe Ratio of -0.49. The chart below compares the historical Sharpe Ratios of SEM and CYH, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	SEM	CYH	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.30	-0.49	+0.79
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.10	-0.37	+0.27
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.26	-0.18	+0.45
Sharpe Ratio (All Time) Calculated using the full available price history	0.22	-0.10	+0.31

Drawdowns

SEM vs. CYH - Drawdown Comparison

The maximum SEM drawdown since its inception was -60.26%, smaller than the maximum CYH drawdown of -97.17%. Use the drawdown chart below to compare losses from any high point for SEM and CYH.

Drawdown Indicators

	SEM	CYH	Difference
Max Drawdown Largest peak-to-trough decline	-60.26%	-97.17%	+36.91%
Max Drawdown (1Y) Largest decline over 1 year	-24.02%	-43.54%	+19.52%
Max Drawdown (3Y) Largest decline over 3 years	-45.04%	-61.58%	+16.54%
Max Drawdown (5Y) Largest decline over 5 years	-49.09%	-87.69%	+38.60%
Max Drawdown (10Y) Largest decline over 10 years	-60.26%	-87.69%	+27.43%
Current Drawdown Current decline from peak	-22.10%	-95.69%	+73.59%
Average Drawdown Average peak-to-trough decline	-22.66%	-51.01%	+28.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	9.40%	26.56%	-17.16%

Volatility

SEM vs. CYH - Volatility Comparison

The current volatility for Select Medical Holdings Corporation (SEM) is 0.69%, while Community Health Systems, Inc. (CYH) has a volatility of 8.15%. This indicates that SEM experiences smaller price fluctuations and is considered to be less risky than CYH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SEM	CYH	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.69%	8.15%	-7.46%
Volatility (6M) Calculated over the trailing 6-month period	13.47%	32.75%	-19.28%
Volatility (1Y) Calculated over the trailing 1-year period	31.38%	60.38%	-29.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	37.44%	78.27%	-40.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.30%	83.01%	-40.71%

Dividends

SEM vs. CYH - Dividend Comparison

SEM's dividend yield for the trailing twelve months is around 1.51%, while CYH has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CYH Community Health Systems, 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%
SEM Select Medical Holdings Corporation	1.51%	1.68%	97.39%	2.13%	2.01%	1.28%	0.00%	0.00%	0.00%	0.00%	0.00%	0.84%

Financials

SEM vs. CYH - Profitability Comparison

The chart below illustrates the profitability comparison between Select Medical Holdings Corporation and Community Health Systems, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

SEM - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Select Medical Holdings Corporation reported a gross profit of 175.47M and revenue of 1.42B. Therefore, the gross margin over that period was 12.3%.

CYH - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Community Health Systems, Inc. reported a gross profit of 1.64B and revenue of 2.97B. Therefore, the gross margin over that period was 55.4%.

SEM - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Select Medical Holdings Corporation reported an operating income of 98.42M and revenue of 1.42B, resulting in an operating margin of 6.9%.

CYH - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Community Health Systems, Inc. reported an operating income of 281.00M and revenue of 2.97B, resulting in an operating margin of 9.5%.

SEM - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Select Medical Holdings Corporation reported a net income of 44.00M and revenue of 1.42B, resulting in a net margin of 3.1%.

CYH - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Community Health Systems, Inc. reported a net income of -58.00M and revenue of 2.97B, resulting in a net margin of -2.0%.

Frequently Asked Questions

Can I hold both SEM and CYH in my portfolio?

SEM and CYH have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SEM or CYH?

CYH has higher volatility (8.15%) compared to SEM (0.69%). In terms of maximum drawdown, SEM dropped -60.26% vs CYH's -97.17%.

Which has better risk-adjusted returns?

SEM currently has the higher Sharpe Ratio (0.30 vs -0.49), 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.