AMBI vs SPRO

Comparison between Ambipar Emergency Response - Class A (AMBI, Company) and Spero Therapeutics Inc (SPRO, Company).

AMBI is from the Industrials sector, while SPRO is from the Healthcare sector.

AMBI vs SPRO - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	AMBI(COMPANY)	SPRO(COMPANY)
Market Cap	$148M	$147M
Max Drawdown	96.93%	97.46%
Sharpe Ratio	-1.30	0.09
5Y Beta	N/A	0.60
Industry	Waste Management	Biotechnology
P/E Ratio	-103.26	9.31
PEG Ratio	N/A	0.00
5Y Dividends CAGR	N/A	30.26%
Debt to Equity	N/A	0.00%
Free Cash Flow Yield	N/A	4.93%
P/S Ratio	0.27	2.42
P/B Ratio	0.81	2.81

Market Cap

Winner

AMBI

$148M

SPRO

$147M

Max Drawdown

Winner

AMBI

96.93%

SPRO

97.46%

Sharpe Ratio

AMBI

-1.30

Winner

SPRO

0.09

5Y Beta

AMBI

N/A

SPRO

0.60

Industry

AMBI

Waste Management

SPRO

Biotechnology

P/E Ratio

Winner

AMBI

-103.26

SPRO

9.31

PEG Ratio

AMBI

N/A

SPRO

0.00

5Y Dividends CAGR

AMBI

N/A

SPRO

30.26%

Debt to Equity

AMBI

N/A

SPRO

0.00%

Free Cash Flow Yield

AMBI

N/A

SPRO

4.93%

P/S Ratio

Winner

AMBI

0.27

SPRO

2.42

P/B Ratio

Winner

AMBI

0.81

SPRO

2.81

AMBI vs SPRO - Historical Returns

Returns include dividend reinvestment.

Period	AMBI	SPRO
1 month	+0.00%	+12.20%
3 months	+0.00%	+10.04%
6 months	+0.00%	+22.84%
1 year	-88.57%	-1.38%
5 years(CAGR)	N/A	-28.65%
10 years(CAGR)	N/A	-2.10%
Max(CAGR)	-65.45%	-0.31%

AMBI

+0.00%

Winner

SPRO

+12.20%

AMBI

+0.00%

Winner

SPRO

+10.04%

AMBI

+0.00%

Winner

SPRO

+22.84%

AMBI

-88.57%

Winner

SPRO

-1.38%

5Y(CAGR)

AMBI

N/A

SPRO

-28.65%

10Y(CAGR)

AMBI

N/A

SPRO

-2.10%

Max(CAGR)

AMBI

-65.45%

Winner

SPRO

-0.31%

AMBI vs SPRO - Annual Returns (2004 - 2026)

Returns include dividend reinvestment.

Year	AMBI	SPRO
2026	+0.00%	+21.28%
2025	-89.91%	+115.74%
2024	-30.21%	-32.24%
2023	-55.38%	-15.52%
2022	N/A	-88.58%
2021	N/A	-10.71%
2020	N/A	+96.45%
2019	N/A	+53.59%
2018	N/A	-49.34%
2017	N/A	+2.17%
2015	N/A	+125.03%
2014	N/A	-36.85%
2013	N/A	+87.73%
2012	N/A	-15.94%
2011	N/A	-18.88%
2010	N/A	-29.17%
2009	N/A	+37.55%
2008	N/A	-59.66%
2007	N/A	+44.06%
2006	N/A	+26.56%
2005	N/A	-15.34%
2004	N/A	+7.04%

AMBI vs SPRO Drawdown Comparison

The maximum drawdown for AMBI was -96.93%, occurring on Oct 28, 2025. This drawdown has not yet recovered.

The maximum drawdown for SPRO was -97.46%, occurring on Apr 8, 2025. This drawdown has not yet recovered.

The current AMBI drawdown is -96.93%. The current SPRO drawdown is -87.09%.

Rank	AMBI	SPRO
#1	-96.93% Mar 3, 2023 - Oct 28, 2025	-97.46% Dec 28, 2020 - Apr 8, 2025
#2	N/A	-85.13% Jul 17, 2007 - Nov 2, 2017
#3	N/A	-70.48% Apr 12, 2018 - Dec 8, 2020
#4	N/A	-42.56% May 17, 2005 - Feb 16, 2007
#5	N/A	-32.47% Nov 13, 2017 - Apr 9, 2018
#6	N/A	-18.79% Mar 12, 2007 - Jun 19, 2007
#7	N/A	-9.16% Jun 25, 2007 - Jul 3, 2007
#8	N/A	-8.75% Dec 3, 2004 - Mar 28, 2005
#9	N/A	-5.73% Feb 21, 2007 - Mar 7, 2007
#10	N/A	-5.34% Dec 8, 2020 - Dec 16, 2020
#11	N/A	-4.94% Mar 28, 2005 - May 11, 2005
#12	N/A	-4.48% Dec 17, 2020 - Dec 21, 2020
#13	N/A	-4.01% Jul 9, 2007 - Jul 13, 2007
#14	N/A	-2.82% Nov 22, 2004 - Nov 24, 2004
#15	N/A	-2.50% Nov 24, 2004 - Dec 1, 2004

Correlation

Correlation between AMBI and SPRO is -0.50 which considered as a moderate negative correlation - the stocks show some tendency to move in opposite directions.

-0.50

-101