CIEN vs SU

Comparison between CIENA Corp (CIEN, Company) and Suncor Energy Inc (SU, Company).

CIEN is from the Technology sector, while SU is from the Energy sector.

5-Year PerformanceCIEN has outperformed SU, delivering a return of +61.9% compared to +29.4%

CIEN vs SU - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	CIEN(COMPANY)	SU(COMPANY)
Market Cap	$78B	$79B
Max Drawdown	99.51%	85.68%
Sharpe Ratio	3.35	2.93
5Y Beta	N/A	0.52
Industry	Communication Equipment	Oil & Gas Integrated
P/E Ratio	342.37	17.37
Forward P/E	120.48	10.38
PEG Ratio	1.78	1.79
Dividend Yield	N/A	3.36%
5Y Dividends CAGR	N/A	26.54%
5Y EPS CAGR	-6.60%	147.26%
Debt to Equity	55.02%	32.36%
Free Cash Flow Yield	0.95%	6.67%
P/S Ratio	N/A	1.51
P/B Ratio	N/A	2.25

Market Cap

CIEN

$78B

Winner

$79B

Max Drawdown

CIEN

99.51%

Winner

85.68%

Sharpe Ratio

Winner

CIEN

3.35

2.93

5Y Beta

CIEN

N/A

0.52

Industry

CIEN

Communication Equipment

Oil & Gas Integrated

P/E Ratio

CIEN

342.37

Winner

17.37

Forward P/E

CIEN

120.48

Winner

10.38

PEG Ratio

Winner

CIEN

1.78

1.79

Dividend Yield

CIEN

N/A

3.36%

5Y Dividends CAGR

CIEN

N/A

26.54%

5Y EPS CAGR

CIEN

-6.60%

Winner

147.26%

Debt to Equity

CIEN

55.02%

Winner

32.36%

Free Cash Flow Yield

CIEN

0.95%

Winner

6.67%

P/S Ratio

CIEN

N/A

1.51

P/B Ratio

CIEN

N/A

2.25

CIEN vs SU - Historical Returns

Returns include dividend reinvestment.

Period	CIEN	SU
1 month	+16.11%	+8.28%
3 months	+75.38%	+22.44%
6 months	+229.53%	+55.47%
1 year	+635.01%	+100.37%
5 years(CAGR)	+61.86%	+29.44%
10 years(CAGR)	+43.28%	+14.60%
Max(CAGR)	+6.13%	+13.21%

Winner

CIEN

+16.11%

+8.28%

Winner

CIEN

+75.38%

+22.44%

Winner

CIEN

+229.53%

+55.47%

Winner

CIEN

+635.01%

+100.37%

5Y(CAGR)

Winner

CIEN

+61.86%

+29.44%

10Y(CAGR)

Winner

CIEN

+43.28%

+14.60%

Max(CAGR)

CIEN

+6.13%

Winner

+13.21%

CIEN vs SU - Annual Returns (1999 - 2026)

Returns include dividend reinvestment.

Year	CIEN	SU
2026	+138.73%	+49.70%
2025	+180.96%	+28.40%
2024	+87.88%	+15.96%
2023	-11.29%	+11.65%
2022	-34.12%	+28.92%
2021	+50.39%	+55.37%
2020	+23.31%	-46.65%
2019	+25.78%	+20.82%
2018	+59.80%	-22.77%
2017	-14.33%	+16.99%
2016	+20.60%	+34.75%
2015	+5.89%	-15.34%
2014	-17.26%	-5.11%
2013	+45.21%	+5.75%
2012	+26.00%	+9.30%
2011	-44.27%	-24.84%
2010	+91.02%	+5.46%
2009	+55.30%	+69.07%
2008	-79.33%	-64.46%
2007	+23.36%	+47.73%
2006	+29.79%	+20.81%
2005	-10.54%	+87.18%
2004	-49.93%	+39.88%
2003	+15.70%	+56.36%
2002	-67.03%	+3.34%
2001	-78.28%	+34.56%
2000	+192.16%	+26.80%
1999	+66.38%	+10.76%

CIEN vs SU Drawdown Comparison

The maximum drawdown for CIEN was -99.51%, occurring on Feb 23, 2009. This drawdown has not yet recovered.

The maximum drawdown for SU was -80.23%, occurring on Mar 18, 2020. Recovery took 4354 trading sessions.

The current CIEN drawdown is -43.87%. The current SU drawdown is -2.87%.

Rank	CIEN	SU
#1	-99.51% Oct 20, 2000 - Feb 23, 2009	-80.23% May 20, 2008 - Sep 10, 2025
#2	-50.28% Mar 1, 2000 - Aug 17, 2000	-26.02% May 2, 2006 - Jun 4, 2007
#3	-36.18% Dec 10, 1999 - Jan 20, 2000	-25.96% Nov 6, 2007 - Apr 16, 2008
#4	-22.21% Sep 1, 2000 - Sep 20, 2000	-25.36% Sep 15, 2000 - Mar 5, 2001
#5	-18.14% Nov 19, 1999 - Dec 7, 1999	-23.17% Mar 18, 2002 - May 27, 2003
#6	-15.28% Sep 28, 2000 - Oct 16, 2000	-21.04% Jan 18, 2000 - May 11, 2000
#7	-14.64% Jan 24, 2000 - Feb 7, 2000	-19.66% Sep 19, 2005 - Dec 7, 2005
#8	-8.22% Oct 16, 2000 - Oct 19, 2000	-17.59% May 22, 2000 - Sep 12, 2000
#9	-6.60% Nov 16, 1999 - Nov 19, 1999	-16.72% Mar 5, 2004 - Jul 30, 2004
#10	-4.65% Nov 4, 1999 - Nov 11, 1999	-13.93% May 21, 2001 - Sep 6, 2001
#11	-3.51% Feb 16, 2000 - Feb 22, 2000	-13.86% Apr 1, 2005 - Jun 9, 2005
#12	-3.48% Sep 25, 2000 - Sep 28, 2000	-12.90% Feb 6, 2006 - Apr 5, 2006
#13	-2.97% Feb 8, 2000 - Feb 10, 2000	-12.87% Sep 17, 2001 - Oct 10, 2001
#14	-2.14% Sep 20, 2000 - Sep 22, 2000	-12.69% Oct 29, 2001 - Dec 4, 2001
#15	-2.02% Feb 10, 2000 - Feb 14, 2000	-11.94% Jul 19, 2007 - Sep 13, 2007