SERA vs ZJK

Comparison between Sera Prognostics Inc Class A (SERA, Company) and ZJK Industrial Co Ltd (ZJK, Company).

SERA is from the Healthcare sector, while ZJK is from the Industrials sector.

SERA vs ZJK - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	SERA(COMPANY)	ZJK(COMPANY)
Market Cap	$101M	$99M
Max Drawdown	91.10%	91.19%
Sharpe Ratio	-0.01	0.04
5Y Beta	1.06	1.11
Industry	Medical Devices	Specialty Industrial Machinery
P/E Ratio	-2.92	9.79
PEG Ratio	N/A	0.05
Debt to Equity	0.00%	0.00%
Free Cash Flow Yield	-27.43%	6.60%
P/S Ratio	1373.99	1.86
P/B Ratio	1.20	2.32

Market Cap

Winner

SERA

$101M

ZJK

$99M

Max Drawdown

Winner

SERA

91.10%

ZJK

91.19%

Sharpe Ratio

SERA

-0.01

Winner

ZJK

0.04

5Y Beta

Winner

SERA

1.06

ZJK

1.11

Industry

SERA

Medical Devices

ZJK

Specialty Industrial Machinery

P/E Ratio

Winner

SERA

-2.92

ZJK

9.79

PEG Ratio

SERA

N/A

ZJK

0.05

Debt to Equity

SERA

0.00%

ZJK

0.00%

Free Cash Flow Yield

SERA

-27.43%

Winner

ZJK

6.60%

P/S Ratio

SERA

1373.99

Winner

ZJK

1.86

P/B Ratio

Winner

SERA

1.20

ZJK

2.32

SERA vs ZJK - Historical Returns

Returns include dividend reinvestment.

Period	SERA	ZJK
1 month	+2.03%	-7.54%
3 months	+16.18%	-39.84%
6 months	-24.15%	-7.54%
1 year	-14.10%	-34.93%
5 years(CAGR)	-30.68%	N/A
Max(CAGR)	-29.58%	-43.03%

Winner

SERA

+2.03%

ZJK

-7.54%

Winner

SERA

+16.18%

ZJK

-39.84%

SERA

-24.15%

Winner

ZJK

-7.54%

Winner

SERA

-14.10%

ZJK

-34.93%

5Y(CAGR)

SERA

-30.68%

ZJK

N/A

Max(CAGR)

Winner

SERA

-29.58%

ZJK

-43.03%

SERA vs ZJK - Annual Returns (2021 - 2026)

Returns include dividend reinvestment.

Year	SERA	ZJK
2026	-33.00%	-20.86%
2025	-64.59%	-80.02%
2024	+36.35%	+87.00%
2023	+356.49%	N/A
2022	-83.57%	N/A
2021	-42.27%	N/A

SERA vs ZJK Drawdown Comparison

The maximum drawdown for SERA was -91.10%, occurring on Dec 28, 2022. This drawdown has not yet recovered.

The maximum drawdown for ZJK was -91.19%, occurring on Mar 2, 2026. This drawdown has not yet recovered.

The current SERA drawdown is -84.59%. The current ZJK drawdown is -89.82%.

Rank	SERA	ZJK
#1	-91.10% Aug 9, 2021 - Dec 28, 2022	-91.19% Dec 3, 2024 - Mar 2, 2026
#2	-23.11% Jul 15, 2021 - Aug 2, 2021	-40.74% Oct 7, 2024 - Dec 3, 2024
#3	-8.00% Aug 2, 2021 - Aug 5, 2021	-4.06% Oct 2, 2024 - Oct 7, 2024