ZKIN vs POCI

Comparison between ZK International Group Co Ltd (ZKIN, Company) and Precision Optics Corp Inc (POCI, Company).

ZKIN is from the Basic Materials sector, while POCI is from the Healthcare sector.

5-Year PerformancePOCI has outperformed ZKIN, delivering a return of +27.5% compared to -47.2%

ZKIN vs POCI - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	ZKIN(COMPANY)	POCI(COMPANY)
Market Cap	$62M	$63M
Max Drawdown	98.97%	100.00%
Sharpe Ratio	0.06	0.62
5Y Beta	0.44	0.24
Industry	Steel	Medical Instruments & Supplies
P/E Ratio	-15.67	-9.01
5Y EPS CAGR	11.55%	41.38%
Debt to Equity	20.40%	7.13%
Free Cash Flow Yield	0.24%	-2.43%

Market Cap

ZKIN

$62M

Winner

POCI

$63M

Max Drawdown

Winner

ZKIN

98.97%

POCI

100.00%

Sharpe Ratio

ZKIN

0.06

Winner

POCI

0.62

5Y Beta

ZKIN

0.44

Winner

POCI

0.24

Industry

ZKIN

Steel

POCI

Medical Instruments & Supplies

P/E Ratio

Winner

ZKIN

-15.67

POCI

-9.01

5Y EPS CAGR

ZKIN

11.55%

Winner

POCI

41.38%

Debt to Equity

ZKIN

20.40%

Winner

POCI

7.13%

Free Cash Flow Yield

Winner

ZKIN

0.24%

POCI

-2.43%

ZKIN vs POCI - Historical Returns

Returns include dividend reinvestment.

Period	ZKIN	POCI
1 month	-5.59%	+12.60%
3 months	-25.82%	+36.84%
6 months	-25.00%	+35.22%
1 year	-40.53%	+25.16%
5 years(CAGR)	-47.21%	+27.47%
10 years(CAGR)	-34.94%	+27.59%
Max(CAGR)	-34.94%	-6.00%

ZKIN

-5.59%

Winner

POCI

+12.60%

ZKIN

-25.82%

Winner

POCI

+36.84%

ZKIN

-25.00%

Winner

POCI

+35.22%

ZKIN

-40.53%

Winner

POCI

+25.16%

5Y(CAGR)

ZKIN

-47.21%

Winner

POCI

+27.47%

10Y(CAGR)

ZKIN

-34.94%

Winner

POCI

+27.59%

Max(CAGR)

ZKIN

-34.94%

Winner

POCI

-6.00%

ZKIN vs POCI - Annual Returns (1999 - 2026)

Returns include dividend reinvestment.

Year	ZKIN	POCI
2026	-12.34%	+34.59%
2025	-67.03%	-16.47%
2024	-40.53%	-22.01%
2023	+133.28%	+6.55%
2022	-70.68%	+131.88%
2021	-47.94%	+50.00%
2020	+94.74%	-25.00%
2019	-17.83%	+39.53%
2018	-87.62%	+229.27%
2017	+15.98%	-30.51%
2016	N/A	-6.35%
2015	N/A	+11.67%
2014	N/A	-33.33%
2013	N/A	+5.88%
2012	N/A	-39.29%
2011	N/A	+833.33%
2010	N/A	-86.36%
2009	N/A	+450.00%
2008	N/A	-96.28%
2007	N/A	-55.94%
2006	N/A	+24.14%
2005	N/A	-70.34%
2004	N/A	-41.78%
2003	N/A	+740.00%
2002	N/A	-65.75%
2001	N/A	-69.68%
2000	N/A	-85.16%
1999	N/A	+1384.01%

ZKIN vs POCI Drawdown Comparison

The maximum drawdown for ZKIN was -98.97%, occurring on Apr 16, 2025. This drawdown has not yet recovered.

The maximum drawdown for POCI was -100.00%, occurring on Jul 29, 2010. This drawdown has not yet recovered.

The current ZKIN drawdown is -98.44%. The current POCI drawdown is -99.41%.

Rank	ZKIN	POCI
#1	-98.97% Mar 22, 2021 - Apr 16, 2025	-100.00% Mar 2, 2000 - Jul 29, 2010
#2	-94.30% Jan 9, 2018 - Mar 22, 2021	-38.27% Jan 21, 2000 - Feb 15, 2000
#3	-33.69% Sep 6, 2017 - Jan 2, 2018	-36.87% Dec 30, 1999 - Jan 21, 2000
#4	-1.30% Jan 4, 2018 - Jan 8, 2018	-33.33% Nov 26, 1999 - Dec 13, 1999
#5	N/A	-28.78% Nov 15, 1999 - Nov 19, 1999
#6	N/A	-23.53% Nov 4, 1999 - Nov 15, 1999
#7	N/A	-14.65% Dec 13, 1999 - Dec 15, 1999
#8	N/A	-13.64% Dec 21, 1999 - Dec 27, 1999
#9	N/A	-11.81% Feb 16, 2000 - Feb 25, 2000
#10	N/A	-9.10% Dec 15, 1999 - Dec 21, 1999
#11	N/A	-7.49% Feb 28, 2000 - Mar 2, 2000
#12	N/A	-5.81% Nov 22, 1999 - Nov 24, 1999

Correlation

Correlation between ZKIN and POCI is -0.60 which considered as a moderate negative correlation - the stocks show some tendency to move in opposite directions.

-0.60

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