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ALKS vs PTGX

Comparison between Alkermes plc (ALKS, Company) and Protagonist Therapeutics Inc (PTGX, Company).

Both ALKS and PTGX are from the Healthcare sector.

5-Year PerformancePTGX has outperformed ALKS, delivering a return of +23.2% compared to +15.4%

ALKS vs PTGX - Performance Comparison

Key Characteristics

Financial metrics and valuation ratios

Market Cap
Winner
ALKS
$9.04B
PTGX
$9B
Max Drawdown
ALKS
96.14%
Winner
PTGX
85.79%
Sharpe Ratio
ALKS
1.42
Winner
PTGX
1.98
5Y Beta
ALKS
0.61
Winner
PTGX
0.24
Industry
ALKS
Drug Manufacturers - Specialty & Generic
PTGX
Biotechnology
P/E Ratio
ALKS
58.53
Winner
PTGX
-76.12
Forward P/E
ALKS
142.86
Winner
PTGX
29.15
PEG Ratio
ALKS
1.96
Winner
PTGX
0.00
5Y EPS CAGR
ALKS
N/A
PTGX
1.43%
Debt to Equity
ALKS
86.23%
Winner
PTGX
0.00%
Free Cash Flow Yield
Winner
ALKS
2.45%
PTGX
-1.31%
P/S Ratio
Winner
ALKS
5.79
PTGX
121.63
P/B Ratio
Winner
ALKS
5.19
PTGX
13.82

ALKS vs PTGX - Historical Returns

Returns include dividend reinvestment.

1M
ALKS
+18.48%
Winner
PTGX
+24.25%
3M
Winner
ALKS
+55.70%
PTGX
+32.99%
6M
Winner
ALKS
+75.12%
PTGX
+63.82%
1Y
ALKS
+70.52%
Winner
PTGX
+148.78%
5Y(CAGR)
ALKS
+15.41%
Winner
PTGX
+23.25%
10Y(CAGR)
ALKS
+0.55%
Winner
PTGX
+27.64%
Max(CAGR)
ALKS
+4.00%
Winner
PTGX
+27.64%

ALKS vs PTGX - Annual Returns (1999 - 2026)

Returns include dividend reinvestment.

YearALKSPTGX
2026+83.79%+50.75%
2025-2.68%+124.06%
2024+0.49%+64.82%
2023+7.23%+112.71%
2022+8.20%-69.11%
2021+17.83%+74.49%
2020+0.96%+190.91%
2019-29.92%+2.32%
2018-46.56%-68.18%
2017-2.44%-1.79%
2016-25.72%+87.95%
2015+36.30%N/A
2014+45.53%N/A
2013+110.89%N/A
2012+6.81%N/A
2011+38.33%N/A
2010+26.47%N/A
2009-12.14%N/A
2008-29.47%N/A
2007+19.10%N/A
2006-34.84%N/A
2005+36.47%N/A
2004+0.86%N/A
2003+102.70%N/A
2002-75.65%N/A
2001-4.60%N/A
2000+27.74%N/A
1999+34.60%N/A

ALKS vs PTGX Drawdown Comparison

The maximum drawdown for ALKS was -96.14%, occurring on Jul 11, 2002. This drawdown has not yet recovered.

The maximum drawdown for PTGX was -85.79%, occurring on Jun 13, 2022. Recovery took 882 trading sessions.

The current ALKS drawdown is -47.03%. The current PTGX drawdown is -6.70%.

RankALKSPTGX
#1-96.14%
Mar 1, 2000 - Jul 11, 2002
-85.79%
Sep 1, 2021 - Mar 10, 2025
#2-14.44%
Jan 20, 2000 - Feb 3, 2000
-82.13%
Dec 5, 2016 - Feb 16, 2021
#3-12.68%
Nov 26, 1999 - Dec 17, 1999
-31.58%
Mar 11, 2025 - Aug 27, 2025
#4-10.50%
Dec 23, 1999 - Jan 7, 2000
-20.33%
Oct 17, 2016 - Nov 10, 2016
#5-9.45%
Feb 18, 2000 - Feb 29, 2000
-19.04%
Mar 19, 2021 - May 18, 2021
#6-4.37%
Nov 11, 1999 - Nov 16, 1999
-16.38%
Dec 12, 2025 - Mar 9, 2026
#7-4.12%
Feb 11, 2000 - Feb 16, 2000
-15.52%
Oct 10, 2025 - Nov 24, 2025
#8-3.50%
Jan 10, 2000 - Jan 13, 2000
-12.77%
Feb 16, 2021 - Mar 2, 2021
#9-3.33%
Feb 8, 2000 - Feb 10, 2000
-12.03%
Apr 17, 2026 - Jun 11, 2026
#10-2.86%
Nov 16, 1999 - Nov 22, 1999
-11.53%
Aug 19, 2016 - Aug 31, 2016
#11-2.52%
Nov 2, 1999 - Nov 5, 1999
-9.62%
Jun 8, 2021 - Jun 11, 2021
#12-2.49%
Nov 22, 1999 - Nov 26, 1999
-8.53%
Aug 27, 2025 - Sep 18, 2025
#13-0.62%
Nov 9, 1999 - Nov 11, 1999
-7.43%
Mar 31, 2026 - Apr 15, 2026
#14-0.49%
Dec 21, 1999 - Dec 23, 1999
-7.20%
Jun 14, 2021 - Jun 16, 2021
#15N/A-6.70%
Jul 7, 2026 - Jul 10, 2026

Correlation

Correlation between ALKS and PTGX is 0.05 which considered as a very weak or no correlation - the stocks move independently of each other.

0.05
-101

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