HDSN vs ATII

Comparison between Hudson Technologies Inc (HDSN, Company) and Archimedes Tech SPAC Partners II Company (ATII, Company).

HDSN is from the Basic Materials sector, while ATII is from the Financial Services sector.

HDSN vs ATII - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	HDSN(COMPANY)	ATII(COMPANY)
Market Cap	$246M	$245M
Max Drawdown	96.72%	6.41%
Sharpe Ratio	-0.63	0.08
5Y Beta	0.97	0.04
Industry	Specialty Chemicals	Shell Companies
P/E Ratio	18.40	32.46
Forward P/E	14.88	N/A
Debt to Equity	0.00%	0.00%
Free Cash Flow Yield	-14.19%	-0.24%

Market Cap

Winner

HDSN

$246M

ATII

$245M

Max Drawdown

HDSN

96.72%

Winner

ATII

6.41%

Sharpe Ratio

HDSN

-0.63

Winner

ATII

0.08

5Y Beta

HDSN

0.97

Winner

ATII

0.04

Industry

HDSN

Specialty Chemicals

ATII

Shell Companies

P/E Ratio

Winner

HDSN

18.40

ATII

32.46

Forward P/E

HDSN

14.88

ATII

N/A

Debt to Equity

HDSN

0.00%

ATII

0.00%

Free Cash Flow Yield

HDSN

-14.19%

Winner

ATII

-0.24%

HDSN vs ATII - Historical Returns

Returns include dividend reinvestment.

Period	HDSN	ATII
1 month	+6.57%	-1.48%
3 months	-3.95%	-0.28%
6 months	-18.21%	-0.28%
1 year	-31.93%	+4.21%
5 years(CAGR)	+10.85%	N/A
10 years(CAGR)	+1.73%	N/A
Max(CAGR)	+3.22%	+5.13%

Winner

HDSN

+6.57%

ATII

-1.48%

HDSN

-3.95%

Winner

ATII

-0.28%

HDSN

-18.21%

Winner

ATII

-0.28%

HDSN

-31.93%

Winner

ATII

+4.21%

5Y(CAGR)

HDSN

+10.85%

ATII

N/A

10Y(CAGR)

HDSN

+1.73%

ATII

N/A

Max(CAGR)

HDSN

+3.22%

Winner

ATII

+5.13%

HDSN vs ATII - Annual Returns (1999 - 2026)

Returns include dividend reinvestment.

Year	HDSN	ATII
2026	-14.12%	+2.90%
2025	+20.39%	+3.91%
2024	-59.86%	N/A
2023	+38.08%	N/A
2022	+127.93%	N/A
2021	+322.86%	N/A
2020	+9.00%	N/A
2019	-10.32%	N/A
2018	-85.69%	N/A
2017	-23.26%	N/A
2016	+169.70%	N/A
2015	-20.59%	N/A
2014	+2.17%	N/A
2013	-1.33%	N/A
2012	+151.03%	N/A
2011	-11.04%	N/A
2010	+15.49%	N/A
2009	+8.15%	N/A
2008	+37.76%	N/A
2007	-15.65%	N/A
2006	-37.43%	N/A
2005	+69.61%	N/A
2004	-12.62%	N/A
2003	+33.59%	N/A
2002	-67.69%	N/A
2001	+80.42%	N/A
2000	+4.20%	N/A
1999	-40.00%	N/A

HDSN vs ATII Drawdown Comparison

The maximum drawdown for HDSN was -96.72%, occurring on Aug 23, 2019. Recovery took 1182 trading sessions.

The maximum drawdown for ATII was -6.41%, occurring on Jul 29, 2026. This drawdown has not yet recovered.

The current HDSN drawdown is -60.96%. The current ATII drawdown is -6.41%.

Rank	HDSN	ATII
#1	-96.72% Sep 6, 2017 - May 17, 2022	-6.41% May 22, 2026 - Jul 29, 2026
#2	-81.33% Nov 6, 2001 - Nov 3, 2005	-2.71% Jan 27, 2026 - May 6, 2026
#3	-80.00% Nov 3, 2005 - May 2, 2012	-0.83% May 11, 2026 - May 13, 2026
#4	-67.65% Feb 26, 2024 - May 14, 2026	-0.58% Sep 24, 2025 - Oct 14, 2025
#5	-64.33% Mar 27, 2013 - Jul 19, 2016	-0.58% Oct 27, 2025 - Nov 21, 2025
#6	-59.64% Oct 20, 2000 - Nov 6, 2001	-0.49% Sep 11, 2025 - Sep 24, 2025
#7	-45.00% Nov 1, 1999 - Apr 6, 2000	-0.48% Nov 24, 2025 - Jan 9, 2026
#8	-38.42% Aug 25, 2022 - Nov 7, 2022	-0.39% Jun 27, 2025 - Sep 11, 2025
#9	-36.55% Dec 12, 2022 - Aug 23, 2023	-0.28% May 6, 2026 - May 11, 2026
#10	-35.64% Apr 6, 2000 - Aug 7, 2000	-0.27% May 20, 2026 - May 22, 2026
#11	-32.55% Jun 8, 2022 - Aug 25, 2022	-0.25% Jan 9, 2026 - Jan 13, 2026
#12	-30.92% Aug 10, 2000 - Oct 20, 2000	-0.24% Oct 15, 2025 - Oct 24, 2025
#13	-26.19% Jul 9, 2012 - Feb 15, 2013	-0.20% May 13, 2025 - May 27, 2025
#14	-26.14% Nov 21, 2016 - May 16, 2017	-0.10% May 1, 2025 - May 7, 2025
#15	-21.29% May 10, 2012 - Jul 9, 2012	-0.10% May 7, 2025 - May 13, 2025

Correlation

Correlation between HDSN and ATII is -0.62 which considered as a moderate negative correlation - the stocks show some tendency to move in opposite directions.

-0.62

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