WLK vs IONS

Comparison between Westlake Corporation (WLK, Company) and Ionis Pharmaceuticals Inc (IONS, Company).

WLK is from the Basic Materials sector, while IONS is from the Healthcare sector.

5-Year PerformanceIONS has outperformed WLK, delivering a return of +15.7% compared to -0.4%

WLK vs IONS - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	WLK(COMPANY)	IONS(COMPANY)
Market Cap	$13B	$13B
Max Drawdown	75.85%	91.72%
Sharpe Ratio	0.60	1.90
5Y Beta	1.02	0.75
Industry	Specialty Chemicals	Biotechnology
P/E Ratio	-11.30	-72.93
Forward P/E	26.95	96.15
PEG Ratio	1.70	-1.54
Dividend Yield	2.17%	N/A
5Y Dividends CAGR	19.74%	N/A
5Y EPS CAGR	N/A	-21.44%
Debt to Equity	65.17%	88.01%
Free Cash Flow Yield	-3.97%	-7.62%
P/S Ratio	1.17	12.00
P/B Ratio	1.67	25.84

Market Cap

Winner

WLK

$13B

IONS

$13B

Max Drawdown

Winner

WLK

75.85%

IONS

91.72%

Sharpe Ratio

WLK

0.60

Winner

IONS

1.90

5Y Beta

WLK

1.02

Winner

IONS

0.75

Industry

WLK

Specialty Chemicals

IONS

Biotechnology

P/E Ratio

WLK

-11.30

Winner

IONS

-72.93

Forward P/E

Winner

WLK

26.95

IONS

96.15

PEG Ratio

WLK

1.70

Winner

IONS

-1.54

Dividend Yield

WLK

2.17%

IONS

N/A

5Y Dividends CAGR

WLK

19.74%

IONS

N/A

5Y EPS CAGR

WLK

N/A

IONS

-21.44%

Debt to Equity

Winner

WLK

65.17%

IONS

88.01%

Free Cash Flow Yield

Winner

WLK

-3.97%

IONS

-7.62%

P/S Ratio

Winner

WLK

1.17

IONS

12.00

P/B Ratio

Winner

WLK

1.67

IONS

25.84

WLK vs IONS - Historical Returns

Returns include dividend reinvestment.

Period	WLK	IONS
1 month	-22.32%	+0.97%
3 months	-2.23%	-10.71%
6 months	+46.46%	+2.94%
1 year	+19.83%	+131.18%
5 years(CAGR)	-0.38%	+15.68%
10 years(CAGR)	+9.10%	+8.22%
Max(CAGR)	+14.00%	+7.64%

WLK

-22.32%

Winner

IONS

+0.97%

Winner

WLK

-2.23%

IONS

-10.71%

Winner

WLK

+46.46%

IONS

+2.94%

WLK

+19.83%

Winner

IONS

+131.18%

5Y(CAGR)

WLK

-0.38%

Winner

IONS

+15.68%

10Y(CAGR)

Winner

WLK

+9.10%

IONS

+8.22%

Max(CAGR)

Winner

WLK

+14.00%

IONS

+7.64%

WLK vs IONS - Annual Returns (1999 - 2026)

Returns include dividend reinvestment.

Year	WLK	IONS
2026	+27.22%	-4.97%
2025	-32.29%	+128.05%
2024	-17.35%	-33.88%
2023	+43.13%	+34.62%
2022	+6.44%	+15.86%
2021	+20.44%	-46.41%
2020	+20.33%	-7.14%
2019	+5.66%	+12.35%
2018	-38.75%	+9.77%
2017	+88.01%	+6.25%
2016	+6.09%	-22.45%
2015	-10.94%	+0.58%
2014	+2.29%	+54.85%
2013	+47.94%	+268.21%
2012	+106.60%	+44.00%
2011	-7.65%	-29.93%
2010	+72.45%	-10.20%
2009	+51.30%	-23.22%
2008	-13.26%	-7.80%
2007	-40.35%	+44.10%
2006	+8.56%	+111.81%
2005	-13.32%	-9.66%
2004	+128.15%	-13.36%
2003	N/A	-4.97%
2002	N/A	-68.69%
2001	N/A	+130.55%
2000	N/A	+77.49%
1999	N/A	-44.34%

WLK vs IONS Drawdown Comparison

The maximum drawdown for WLK was -75.15%, occurring on Mar 16, 2020. Recovery took 958 trading sessions.

The maximum drawdown for IONS was -91.43%, occurring on Mar 18, 2003. Recovery took 3357 trading sessions.

The current WLK drawdown is -39.58%. The current IONS drawdown is -12.47%.

Rank	WLK	IONS
#1	-75.15% May 21, 2018 - Mar 10, 2022	-91.43% Mar 6, 2000 - Jul 11, 2013
#2	-71.30% Feb 16, 2007 - Nov 4, 2010	-73.25% Mar 19, 2015 - Mar 14, 2019
#3	-64.19% Apr 9, 2024 - Nov 20, 2025	-70.39% Apr 8, 2019 - Feb 6, 2026
#4	-58.30% Sep 3, 2014 - Nov 20, 2017	-68.14% Dec 2, 1999 - Mar 1, 2000
#5	-51.04% Apr 26, 2011 - Mar 27, 2012	-61.05% Feb 21, 2014 - Dec 10, 2014
#6	-41.41% May 4, 2022 - Dec 14, 2023	-28.35% Jul 12, 2013 - Sep 19, 2013
#7	-39.81% Mar 9, 2005 - Feb 14, 2007	-20.89% Sep 23, 2013 - Nov 27, 2013
#8	-26.33% Mar 27, 2012 - Aug 6, 2012	-19.78% Jan 12, 2015 - Mar 19, 2015
#9	-19.12% Mar 20, 2013 - Jun 14, 2013	-19.45% Feb 6, 2026 - Mar 24, 2026
#10	-12.32% Mar 9, 2018 - May 16, 2018	-11.84% Dec 12, 2014 - Dec 19, 2014
#11	-12.27% Jan 4, 2011 - Feb 14, 2011	-11.49% Dec 19, 2014 - Jan 5, 2015
#12	-12.06% Nov 6, 2012 - Dec 7, 2012	-8.95% Jan 31, 2014 - Feb 13, 2014
#13	-10.88% Dec 1, 2004 - Dec 22, 2004	-8.58% Nov 11, 1999 - Nov 17, 1999
#14	-10.82% Mar 25, 2022 - Apr 19, 2022	-7.67% Jan 22, 2014 - Jan 31, 2014
#15	-10.57% Jan 26, 2018 - Mar 5, 2018	-7.49% Dec 23, 2013 - Jan 8, 2014

Correlation

Correlation between WLK and IONS is 0.67 which considered as a moderate positive correlation - the stocks show some tendency to move together.

0.67

-101

Dividend Comparison (1999 - 2026)

WLK vs IONS dividend yield comparison.

Year	WLK	IONS
2026	0.56%	0.00%
2025	2.85%	0.00%
2024	1.79%	0.00%
2023	1.12%	0.00%
2022	1.28%	0.00%
2021	1.17%	0.00%
2020	1.31%	0.00%
2019	1.46%	0.00%
2018	1.39%	0.00%
2017	0.75%	0.00%
2016	1.33%	0.00%
2015	1.28%	0.00%
2014	0.85%	0.00%
2013	0.68%	0.00%
2012	5.62%	0.00%
2011	0.68%	0.00%
2010	0.56%	0.00%
2009	0.89%	0.00%
2008	1.26%	0.00%
2007	0.95%	0.00%
2006	0.44%	0.00%
2005	0.34%	0.00%
2004	0.06%	0.00%
2000	0.00%	4.85%
1999	0.00%	3.52%