PMN vs BMAC

Comparison between ProMIS Neurosciences Inc (PMN, Company) and Black Mountain Acquisition Corp - Class A (BMAC, Company).

PMN is from the Healthcare sector, while BMAC is from the Financial Services sector.

5-Year PerformanceBMAC has outperformed PMN, delivering a return of +1.6% compared to -44.1%

PMN vs BMAC - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	PMN(COMPANY)	BMAC(COMPANY)
Market Cap	$125M	$126M
Max Drawdown	99.69%	2.28%
Sharpe Ratio	-0.23	0.00
5Y Beta	0.46	0.00
Industry	Biotechnology	Shell Companies
P/E Ratio	-0.74	185.30
PEG Ratio	-0.00	1.49
Debt to Equity	0.00%	2.78%
Free Cash Flow Yield	-28.36%	-1.27%

Market Cap

PMN

$125M

Winner

BMAC

$126M

Max Drawdown

PMN

99.69%

Winner

BMAC

2.28%

Sharpe Ratio

PMN

-0.23

Winner

BMAC

0.00

5Y Beta

PMN

0.46

Winner

BMAC

0.00

Industry

PMN

Biotechnology

BMAC

Shell Companies

P/E Ratio

Winner

PMN

-0.74

BMAC

185.30

PEG Ratio

Winner

PMN

-0.00

BMAC

1.49

Debt to Equity

Winner

PMN

0.00%

BMAC

2.78%

Free Cash Flow Yield

PMN

-28.36%

Winner

BMAC

-1.27%

PMN vs BMAC - Historical Returns

Returns include dividend reinvestment.

Period	PMN	BMAC
1 month	+17.96%	+0.00%
3 months	+15.90%	+0.00%
6 months	+33.72%	+0.00%
1 year	-42.68%	+0.00%
5 years(CAGR)	-44.09%	+1.55%
10 years(CAGR)	-24.51%	N/A
Max(CAGR)	-23.45%	+1.55%

Winner

PMN

+17.96%

BMAC

+0.00%

Winner

PMN

+15.90%

BMAC

+0.00%

Winner

PMN

+33.72%

BMAC

+0.00%

PMN

-42.68%

Winner

BMAC

+0.00%

5Y(CAGR)

PMN

-44.09%

Winner

BMAC

+1.55%

10Y(CAGR)

PMN

-24.51%

BMAC

N/A

Max(CAGR)

PMN

-23.45%

Winner

BMAC

+1.55%

PMN vs BMAC - Annual Returns (2007 - 2026)

Returns include dividend reinvestment.

Year	PMN	BMAC
2026	+76.73%	+0.00%
2025	-71.56%	+0.00%
2024	-31.79%	+0.00%
2023	-74.44%	+3.92%
2022	-39.72%	+3.76%
2021	+37.50%	-0.30%
2020	-40.79%	N/A
2019	-38.36%	N/A
2018	+24.33%	N/A
2017	+41.67%	N/A
2016	+179.45%	N/A
2015	-74.83%	N/A
2014	-51.18%	N/A
2013	-15.78%	N/A
2012	+48.08%	N/A
2011	-37.20%	N/A
2010	-32.90%	N/A
2009	+20.40%	N/A
2008	-62.40%	N/A
2007	-10.70%	N/A

PMN vs BMAC Drawdown Comparison

The maximum drawdown for PMN was -99.69%, occurring on Nov 28, 2025. This drawdown has not yet recovered.

The maximum drawdown for BMAC was -2.28%, occurring on Dec 5, 2023. This drawdown has not yet recovered.

The current PMN drawdown is -99.42%. The current BMAC drawdown is -1.44%.

Rank	PMN	BMAC
#1	-99.69% Jul 31, 2007 - Nov 28, 2025	-2.28% Aug 29, 2023 - Dec 5, 2023
#2	-7.75% Jul 17, 2007 - Jul 20, 2007	-1.12% Jun 21, 2023 - Jul 25, 2023
#3	N/A	-1.10% Apr 28, 2022 - Jul 19, 2022
#4	N/A	-0.90% Aug 15, 2022 - Oct 17, 2022
#5	N/A	-0.71% Nov 19, 2021 - Feb 14, 2022
#6	N/A	-0.70% Feb 14, 2022 - Mar 1, 2022
#7	N/A	-0.59% Dec 15, 2022 - Dec 28, 2022
#8	N/A	-0.50% Mar 1, 2022 - Apr 18, 2022
#9	N/A	-0.49% Nov 3, 2022 - Dec 1, 2022
#10	N/A	-0.47% Jul 25, 2023 - Aug 3, 2023
#11	N/A	-0.40% Jul 19, 2022 - Aug 3, 2022
#12	N/A	-0.29% Apr 12, 2023 - May 15, 2023
#13	N/A	-0.28% Aug 3, 2023 - Aug 10, 2023
#14	N/A	-0.25% Apr 25, 2022 - Apr 28, 2022
#15	N/A	-0.25% Nov 1, 2022 - Nov 3, 2022