PRTA vs CYH

Comparison between Prothena Corporation plc (PRTA, Company) and Community Health Systems Inc (CYH, Company).

Both PRTA and CYH are from the Healthcare sector.

5-Year PerformanceCYH has outperformed PRTA, delivering a return of -28.0% compared to -28.8%

PRTA vs CYH - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	PRTA(COMPANY)	CYH(COMPANY)
Market Cap	$420M	$419M
Max Drawdown	94.19%	97.17%
Sharpe Ratio	1.08	0.13
5Y Beta	0.95	1.07
Industry	Biotechnology	Medical Care Facilities
P/E Ratio	-2.83	0.89
Forward P/E	10.63	17.67
PEG Ratio	-0.08	2.38
5Y EPS CAGR	-1.54%	-0.68%
Debt to Equity	0.00%	-696.49%
Free Cash Flow Yield	-19.37%	-47.79%
P/S Ratio	7.65	0.03
P/B Ratio	1.42	0.53

Market Cap

Winner

PRTA

$420M

CYH

$419M

Max Drawdown

Winner

PRTA

94.19%

CYH

97.17%

Sharpe Ratio

Winner

PRTA

1.08

CYH

0.13

5Y Beta

Winner

PRTA

0.95

CYH

1.07

Industry

PRTA

Biotechnology

CYH

Medical Care Facilities

P/E Ratio

Winner

PRTA

-2.83

CYH

0.89

Forward P/E

Winner

PRTA

10.63

CYH

17.67

PEG Ratio

Winner

PRTA

-0.08

CYH

2.38

5Y EPS CAGR

PRTA

-1.54%

Winner

CYH

-0.68%

Debt to Equity

PRTA

0.00%

Winner

CYH

-696.49%

Free Cash Flow Yield

Winner

PRTA

-19.37%

CYH

-47.79%

P/S Ratio

PRTA

7.65

Winner

CYH

0.03

P/B Ratio

PRTA

1.42

Winner

CYH

0.53

PRTA vs CYH - Historical Returns

Returns include dividend reinvestment.

Period	PRTA	CYH
1 month	-12.51%	+8.54%
3 months	-11.39%	-3.86%
6 months	-20.37%	-3.86%
1 year	+62.72%	-3.86%
5 years(CAGR)	-28.79%	-28.04%
10 years(CAGR)	-15.75%	-13.50%
Max(CAGR)	+1.02%	-5.50%

PRTA

-12.51%

Winner

CYH

+8.54%

PRTA

-11.39%

Winner

CYH

-3.86%

PRTA

-20.37%

Winner

CYH

-3.86%

Winner

PRTA

+62.72%

CYH

-3.86%

5Y(CAGR)

PRTA

-28.79%

Winner

CYH

-28.04%

10Y(CAGR)

PRTA

-15.75%

Winner

CYH

-13.50%

Max(CAGR)

Winner

PRTA

+1.02%

CYH

-5.50%

PRTA vs CYH - Annual Returns (2000 - 2026)

Returns include dividend reinvestment.

Year	PRTA	CYH
2026	-10.33%	+0.48%
2025	-30.14%	+1.63%
2024	-64.06%	-5.38%
2023	-32.07%	-28.86%
2022	+22.41%	-67.42%
2021	+301.63%	+82.83%
2020	-23.16%	+170.18%
2019	+50.76%	-8.52%
2018	-72.75%	-37.05%
2017	-24.70%	-26.68%
2016	-20.94%	-78.91%
2015	+234.69%	-50.70%
2014	-26.12%	+30.40%
2013	+278.86%	+25.78%
2012	+1.81%	+80.02%
2011	N/A	-54.86%
2010	N/A	+3.58%
2009	N/A	+141.03%
2008	N/A	-59.78%
2007	N/A	+1.35%
2006	N/A	-4.87%
2005	N/A	+38.36%
2004	N/A	+3.45%
2003	N/A	+29.91%
2002	N/A	-18.46%
2001	N/A	-22.70%
2000	N/A	+155.66%

PRTA vs CYH Drawdown Comparison

The maximum drawdown for PRTA was -94.19%, occurring on May 27, 2025. This drawdown has not yet recovered.

The maximum drawdown for CYH was -97.17%, occurring on Aug 27, 2019. This drawdown has not yet recovered.

The current PRTA drawdown is -89.54%. The current CYH drawdown is -95.14%.

Rank	PRTA	CYH
#1	-94.19% Sep 23, 2021 - May 27, 2025	-97.17% Jun 26, 2015 - Aug 27, 2019
#2	-90.85% Nov 27, 2015 - Sep 10, 2021	-73.63% Jul 18, 2007 - Mar 8, 2013
#3	-64.27% Mar 20, 2014 - Jun 17, 2015	-53.82% Dec 28, 2000 - May 2, 2005
#4	-36.96% Jul 28, 2015 - Nov 18, 2015	-31.18% Jun 13, 2013 - Aug 18, 2014
#5	-20.33% Dec 31, 2012 - Apr 9, 2013	-25.19% Oct 3, 2000 - Dec 8, 2000
#6	-18.45% Jun 20, 2013 - Jul 12, 2013	-21.48% Sep 19, 2014 - Jun 25, 2015
#7	-17.61% Jan 30, 2014 - Feb 25, 2014	-20.47% Dec 2, 2005 - Jun 22, 2007
#8	-15.12% Dec 16, 2013 - Jan 29, 2014	-18.31% Aug 9, 2000 - Aug 30, 2000
#9	-14.72% Oct 2, 2013 - Oct 25, 2013	-14.12% Apr 1, 2013 - May 31, 2013
#10	-11.68% May 28, 2013 - Jun 7, 2013	-10.52% Dec 8, 2000 - Dec 26, 2000
#11	-10.76% Aug 2, 2013 - Aug 22, 2013	-9.63% Jun 14, 2005 - Jul 29, 2005
#12	-10.14% Jun 22, 2015 - Jul 14, 2015	-9.59% Sep 16, 2005 - Nov 28, 2005
#13	-7.65% Mar 12, 2014 - Mar 19, 2014	-9.39% Jul 13, 2000 - Aug 3, 2000
#14	-6.94% Aug 29, 2013 - Oct 2, 2013	-7.80% Jul 29, 2005 - Sep 16, 2005
#15	-6.73% Jul 22, 2015 - Jul 28, 2015	-5.50% Sep 12, 2000 - Sep 21, 2000