KT vs AAOI

Comparison between KT Corporation (KT, Company) and Applied Optoelectronics Inc (AAOI, Company).

KT is from the Communication Services sector, while AAOI is from the Technology sector.

5-Year PerformanceAAOI has outperformed KT, delivering a return of +80.1% compared to +10.4%

KT vs AAOI - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	KT(COMPANY)	AAOI(COMPANY)
Market Cap	$10B	$10B
Max Drawdown	91.05%	98.49%
Sharpe Ratio	-0.35	1.88
5Y Beta	0.32	3.80
Industry	Telecom Services	Communication Equipment
P/E Ratio	29.33	-207.92
Forward P/E	9.51	84.03
PEG Ratio	4.51	0.78
Dividend Yield	4.42%	N/A
5Y EPS CAGR	-21.58%	-23.67%
Debt to Equity	N/A	3.73%
Free Cash Flow Yield	-9.00%	-4.12%
P/S Ratio	0.00	20.35
P/B Ratio	0.72	6.84

Market Cap

Winner

$10B

AAOI

$10B

Max Drawdown

Winner

91.05%

AAOI

98.49%

Sharpe Ratio

-0.35

Winner

AAOI

1.88

5Y Beta

Winner

0.32

AAOI

3.80

Industry

Telecom Services

AAOI

Communication Equipment

P/E Ratio

29.33

Winner

AAOI

-207.92

Forward P/E

Winner

9.51

AAOI

84.03

PEG Ratio

4.51

Winner

AAOI

0.78

Dividend Yield

4.42%

AAOI

N/A

5Y EPS CAGR

Winner

-21.58%

AAOI

-23.67%

Debt to Equity

N/A

AAOI

3.73%

Free Cash Flow Yield

-9.00%

Winner

AAOI

-4.12%

P/S Ratio

Winner

0.00

AAOI

20.35

P/B Ratio

Winner

0.72

AAOI

6.84

KT vs AAOI - Historical Returns

Returns include dividend reinvestment.

Period	KT	AAOI
1 month	+1.31%	+18.55%
3 months	-11.74%	-13.91%
6 months	-12.30%	+206.16%
1 year	-6.39%	+507.39%
5 years(CAGR)	+10.38%	+80.10%
10 years(CAGR)	+4.57%	+25.25%
Max(CAGR)	+0.30%	+22.51%

+1.31%

Winner

AAOI

+18.55%

Winner

-11.74%

AAOI

-13.91%

-12.30%

Winner

AAOI

+206.16%

-6.39%

Winner

AAOI

+507.39%

5Y(CAGR)

+10.38%

Winner

AAOI

+80.10%

10Y(CAGR)

+4.57%

Winner

AAOI

+25.25%

Max(CAGR)

+0.30%

Winner

AAOI

+22.51%

KT vs AAOI - Annual Returns (1999 - 2026)

Returns include dividend reinvestment.

Year	KT	AAOI
2026	-2.02%	+242.50%
2025	+26.86%	-2.08%
2024	+22.36%	+97.22%
2023	+6.35%	+927.66%
2022	+12.99%	-64.14%
2021	+21.64%	-41.32%
2020	-3.08%	-31.92%
2019	-19.61%	-25.19%
2018	-9.77%	-59.30%
2017	+10.47%	+63.72%
2016	+22.82%	+43.89%
2015	-14.30%	+59.04%
2014	-2.82%	-23.31%
2013	-9.65%	+50.70%
2012	+12.54%	N/A
2011	-21.14%	N/A
2010	+26.56%	N/A
2009	+13.12%	N/A
2008	-41.87%	N/A
2007	+5.36%	N/A
2006	+16.12%	N/A
2005	+12.81%	N/A
2004	+16.43%	N/A
2003	-8.84%	N/A
2002	+4.33%	N/A
2001	-30.41%	N/A
2000	-58.11%	N/A
1999	+113.09%	N/A

KT vs AAOI Drawdown Comparison

The maximum drawdown for KT was -85.68%, occurring on Mar 23, 2020. This drawdown has not yet recovered.

The maximum drawdown for AAOI was -98.49%, occurring on Jul 11, 2022. Recovery took 2156 trading sessions.

The current KT drawdown is -49.11%. The current AAOI drawdown is -39.21%.

Rank	KT	AAOI
#1	-85.68% Dec 31, 1999 - Mar 23, 2020	-98.49% Aug 1, 2017 - Mar 2, 2026
#2	-9.88% Dec 13, 1999 - Dec 22, 1999	-69.44% Mar 10, 2014 - Jan 12, 2017
#3	-8.59% Nov 16, 1999 - Nov 19, 1999	-65.70% May 13, 2026 - Jul 29, 2026
#4	-6.17% Nov 19, 1999 - Nov 26, 1999	-33.40% Mar 11, 2026 - Apr 8, 2026
#5	-4.55% Dec 27, 1999 - Dec 31, 1999	-31.83% Mar 27, 2017 - May 9, 2017
#6	-4.47% Dec 1, 1999 - Dec 6, 1999	-21.75% Jun 2, 2017 - Jul 13, 2017
#7	-3.66% Nov 9, 1999 - Nov 12, 1999	-20.81% Dec 11, 2013 - Feb 20, 2014
#8	-1.96% Dec 8, 1999 - Dec 13, 1999	-18.84% May 1, 2026 - May 11, 2026
#9	-0.36% Nov 26, 1999 - Nov 30, 1999	-16.03% Apr 20, 2026 - Apr 30, 2026
#10	-0.35% Nov 4, 1999 - Nov 8, 1999	-13.09% Mar 7, 2017 - Mar 24, 2017
#11	N/A	-9.60% Oct 22, 2013 - Nov 29, 2013
#12	N/A	-7.11% Feb 21, 2014 - Feb 28, 2014
#13	N/A	-6.99% Mar 2, 2026 - Mar 9, 2026
#14	N/A	-6.95% Apr 13, 2026 - Apr 16, 2026
#15	N/A	-6.67% Nov 29, 2013 - Dec 6, 2013