SU vs CIEN

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

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

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

SU vs CIEN - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

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

Market Cap

Winner

$79B

CIEN

$78B

Max Drawdown

Winner

85.68%

CIEN

99.51%

Sharpe Ratio

2.93

Winner

CIEN

3.35

5Y Beta

0.52

CIEN

N/A

Industry

Oil & Gas Integrated

CIEN

Communication Equipment

P/E Ratio

Winner

17.37

CIEN

342.37

Forward P/E

Winner

10.38

CIEN

120.48

PEG Ratio

1.79

Winner

CIEN

1.78

Dividend Yield

3.36%

CIEN

N/A

5Y Dividends CAGR

26.54%

CIEN

N/A

5Y EPS CAGR

Winner

147.26%

CIEN

-6.60%

Debt to Equity

Winner

32.36%

CIEN

55.02%

Free Cash Flow Yield

Winner

6.67%

CIEN

0.95%

P/S Ratio

1.51

CIEN

N/A

P/B Ratio

2.25

CIEN

N/A

SU vs CIEN - Historical Returns

Returns include dividend reinvestment.

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

+8.28%

Winner

CIEN

+16.11%

+22.44%

Winner

CIEN

+75.38%

+55.47%

Winner

CIEN

+229.53%

+100.37%

Winner

CIEN

+635.01%

5Y(CAGR)

+29.44%

Winner

CIEN

+61.86%

10Y(CAGR)

+14.60%

Winner

CIEN

+43.28%

Max(CAGR)

Winner

+13.21%

CIEN

+6.13%

SU vs CIEN - Annual Returns (1999 - 2026)

Returns include dividend reinvestment.

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

SU vs CIEN Drawdown Comparison

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

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

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

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