COYA vs YDDL

Comparison between Coya Therapeutics Inc (COYA, Company) and One and one Green Technologies. Inc - Class A (YDDL, Company).

COYA is from the Healthcare sector, while YDDL is from the Industrials sector.

COYA vs YDDL - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	COYA(COMPANY)	YDDL(COMPANY)
Market Cap	$103M	$102M
Max Drawdown	62.90%	88.59%
Sharpe Ratio	-0.12	-0.20
5Y Beta	1.07	-1.04
Industry	Biotechnology	Waste Management
P/E Ratio	-4.08	8.65
Forward P/E	N/A	9.85
PEG Ratio	-8.44	0.11
Debt to Equity	0.00%	0.00%
Free Cash Flow Yield	-13.77%	-9.55%
P/S Ratio	12.91	1.66
P/B Ratio	2.18	2.64

Market Cap

Winner

COYA

$103M

YDDL

$102M

Max Drawdown

Winner

COYA

62.90%

YDDL

88.59%

Sharpe Ratio

Winner

COYA

-0.12

YDDL

-0.20

5Y Beta

COYA

1.07

Winner

YDDL

-1.04

Industry

COYA

Biotechnology

YDDL

Waste Management

P/E Ratio

Winner

COYA

-4.08

YDDL

8.65

Forward P/E

COYA

N/A

YDDL

9.85

PEG Ratio

Winner

COYA

-8.44

YDDL

0.11

Debt to Equity

COYA

0.00%

YDDL

0.00%

Free Cash Flow Yield

COYA

-13.77%

Winner

YDDL

-9.55%

P/S Ratio

COYA

12.91

Winner

YDDL

1.66

P/B Ratio

Winner

COYA

2.18

YDDL

2.64

COYA vs YDDL - Historical Returns

Returns include dividend reinvestment.

Period	COYA	YDDL
1 month	-20.11%	-27.39%
3 months	-1.62%	-62.12%
6 months	-9.96%	-76.09%
1 year	-36.76%	N/A
Max(CAGR)	-2.01%	-76.16%

Winner

COYA

-20.11%

YDDL

-27.39%

Winner

COYA

-1.62%

YDDL

-62.12%

Winner

COYA

-9.96%

YDDL

-76.09%

COYA

-36.76%

YDDL

N/A

Max(CAGR)

Winner

COYA

-2.01%

YDDL

-76.16%

COYA vs YDDL - Annual Returns (2022 - 2026)

Returns include dividend reinvestment.

Year	COYA	YDDL
2026	-24.78%	-68.12%
2025	+1.58%	-4.24%
2024	-17.67%	N/A
2023	+59.35%	N/A
2022	+3.68%	N/A

COYA vs YDDL Drawdown Comparison

The maximum drawdown for COYA was -62.90%, occurring on Mar 30, 2026. This drawdown has not yet recovered.

The maximum drawdown for YDDL was -88.59%, occurring on Jul 24, 2026. This drawdown has not yet recovered.

The current COYA drawdown is -58.29%. The current YDDL drawdown is -88.59%.

Rank	COYA	YDDL
#1	-62.90% Oct 28, 2024 - Mar 30, 2026	-88.59% Apr 6, 2026 - Jul 24, 2026
#2	-52.47% Mar 15, 2024 - Oct 28, 2024	-43.14% Oct 10, 2025 - Jan 22, 2026
#3	-43.40% May 16, 2023 - Dec 1, 2023	-17.75% Feb 4, 2026 - Mar 4, 2026
#4	-26.35% Dec 28, 2023 - Feb 14, 2024	-16.12% Jan 23, 2026 - Feb 4, 2026
#5	-22.62% Jan 10, 2023 - May 4, 2023	-14.17% Mar 24, 2026 - Mar 26, 2026
#6	-10.40% Mar 4, 2024 - Mar 15, 2024	-8.83% Mar 9, 2026 - Mar 19, 2026
#7	-8.47% Dec 19, 2023 - Dec 27, 2023	-7.77% Mar 26, 2026 - Apr 6, 2026
#8	-7.14% Dec 5, 2023 - Dec 19, 2023	-3.55% Mar 4, 2026 - Mar 9, 2026
#9	-5.86% Feb 28, 2024 - Mar 1, 2024	-2.54% Mar 19, 2026 - Mar 23, 2026
#10	-3.74% May 10, 2023 - May 16, 2023	N/A
#11	-3.39% Feb 23, 2024 - Feb 27, 2024	N/A
#12	-2.49% Dec 30, 2022 - Jan 10, 2023	N/A
#13	-1.70% Feb 15, 2024 - Feb 20, 2024	N/A
#14	-0.92% Feb 21, 2024 - Feb 23, 2024	N/A
#15	-0.19% May 8, 2023 - May 10, 2023	N/A

Correlation

Correlation between COYA and YDDL is -0.37 which considered as a weak negative correlation - the stocks show a slight tendency to move in opposite directions.

-0.37

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