GRNA vs COCH

Comparison between GreenLight Biosciences Inc (GRNA, Company) and Envoy Medical Inc - Class A (COCH, Company).

GRNA vs COCH - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	GRNA(COMPANY)	COCH(COMPANY)
Market Cap	$45M	$45M
Max Drawdown	98.70%	96.29%
Sharpe Ratio	-1.27	0.02
5Y Beta	N/A	0.51
Industry	N/A	Medical Devices
P/E Ratio	-1.59	-0.76
Debt to Equity	112.33%	0.00%
Free Cash Flow Yield	N/A	-45.88%
P/S Ratio	4.39	215.14
P/B Ratio	2.07	4.52

Market Cap

Winner

GRNA

$45M

COCH

$45M

Max Drawdown

GRNA

98.70%

Winner

COCH

96.29%

Sharpe Ratio

GRNA

-1.27

Winner

COCH

0.02

5Y Beta

GRNA

N/A

COCH

0.51

Industry

GRNA

N/A

COCH

Medical Devices

P/E Ratio

Winner

GRNA

-1.59

COCH

-0.76

Debt to Equity

GRNA

112.33%

Winner

COCH

0.00%

Free Cash Flow Yield

GRNA

N/A

COCH

-45.88%

P/S Ratio

Winner

GRNA

4.39

COCH

215.14

P/B Ratio

Winner

GRNA

2.07

COCH

4.52

GRNA vs COCH - Historical Returns

Returns include dividend reinvestment.

Period	GRNA	COCH
1 month	+0.84%	-7.66%
3 months	+42.28%	-15.88%
6 months	-59.61%	-22.04%
1 year	-92.34%	-56.40%
5 years(CAGR)	N/A	-42.14%
Max(CAGR)	-89.56%	-41.49%

Winner

GRNA

+0.84%

COCH

-7.66%

Winner

GRNA

+42.28%

COCH

-15.88%

GRNA

-59.61%

Winner

COCH

-22.04%

GRNA

-92.34%

Winner

COCH

-56.40%

5Y(CAGR)

GRNA

N/A

COCH

-42.14%

Max(CAGR)

GRNA

-89.56%

Winner

COCH

-41.49%

GRNA vs COCH - Annual Returns (2021 - 2026)

Returns include dividend reinvestment.

Year	GRNA	COCH
2026	N/A	-9.75%
2025	N/A	-57.07%
2024	N/A	-24.34%
2023	-73.96%	-81.93%
2022	-87.44%	+2.98%
2021	N/A	-0.20%

GRNA vs COCH Drawdown Comparison

The maximum drawdown for GRNA was -98.70%, occurring on May 24, 2023. This drawdown has not yet recovered.

The maximum drawdown for COCH was -96.29%, occurring on Feb 10, 2026. This drawdown has not yet recovered.

The current GRNA drawdown is -97.79%. The current COCH drawdown is -94.02%.

Rank	GRNA	COCH
#1	-98.70% Mar 21, 2022 - May 24, 2023	-96.29% Sep 21, 2023 - Feb 10, 2026
#2	-47.65% Feb 3, 2022 - Mar 10, 2022	-2.14% May 24, 2021 - Dec 9, 2021
#3	-11.72% Mar 11, 2022 - Mar 15, 2022	-1.73% Dec 9, 2021 - Oct 6, 2022
#4	-0.30% Mar 15, 2022 - Mar 17, 2022	-1.59% Jan 18, 2023 - May 10, 2023
#5	N/A	-1.34% Jul 19, 2023 - Sep 19, 2023
#6	N/A	-1.23% May 4, 2021 - May 24, 2021
#7	N/A	-1.07% Jun 12, 2023 - Jul 19, 2023
#8	N/A	-0.40% Nov 3, 2022 - Nov 22, 2022
#9	N/A	-0.33% Apr 29, 2021 - May 4, 2021
#10	N/A	-0.30% Dec 2, 2022 - Dec 12, 2022
#11	N/A	-0.30% Dec 12, 2022 - Dec 27, 2022
#12	N/A	-0.30% May 19, 2023 - Jun 8, 2023
#13	N/A	-0.20% Oct 26, 2022 - Nov 1, 2022
#14	N/A	-0.20% Nov 1, 2022 - Nov 3, 2022
#15	N/A	-0.20% Nov 22, 2022 - Nov 29, 2022

Correlation

Correlation between GRNA and COCH is -0.70 which considered as a moderate negative correlation - the stocks show some tendency to move in opposite directions.

-0.70

-101