CLNE vs AMBC

Comparison between Clean Energy Fuels Corp (CLNE, Company) and AMBAC Financial Group Inc (AMBC, Company).

CLNE is from the Energy sector, while AMBC is from the Financial Services sector.

5-Year PerformanceAMBC has outperformed CLNE, delivering a return of -9.5% compared to -29.3%

CLNE vs AMBC - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	CLNE(COMPANY)	AMBC(COMPANY)
Market Cap	$438M	$438M
Max Drawdown	95.48%	81.17%
Sharpe Ratio	0.18	-0.29
5Y Beta	1.33	0.76
Industry	Oil & Gas Refining & Marketing	Insurance - Specialty
P/E Ratio	-4.39	-0.60
Forward P/E	5.76	11.88
PEG Ratio	4.72	N/A
5Y EPS CAGR	36.98%	N/A
Debt to Equity	40.83%	0.00%
Free Cash Flow Yield	6.54%	-7.98%
P/S Ratio	0.97	1.76
P/B Ratio	0.76	0.52

Market Cap

Winner

CLNE

$438M

AMBC

$438M

Max Drawdown

CLNE

95.48%

Winner

AMBC

81.17%

Sharpe Ratio

Winner

CLNE

0.18

AMBC

-0.29

5Y Beta

CLNE

1.33

Winner

AMBC

0.76

Industry

CLNE

Oil & Gas Refining & Marketing

AMBC

Insurance - Specialty

P/E Ratio

Winner

CLNE

-4.39

AMBC

-0.60

Forward P/E

Winner

CLNE

5.76

AMBC

11.88

PEG Ratio

CLNE

4.72

AMBC

N/A

5Y EPS CAGR

CLNE

36.98%

AMBC

N/A

Debt to Equity

CLNE

40.83%

Winner

AMBC

0.00%

Free Cash Flow Yield

Winner

CLNE

6.54%

AMBC

-7.98%

P/S Ratio

Winner

CLNE

0.97

AMBC

1.76

P/B Ratio

CLNE

0.76

Winner

AMBC

0.52

CLNE vs AMBC - Historical Returns

Returns include dividend reinvestment.

Period	CLNE	AMBC
1 month	-7.28%	+8.40%
3 months	-12.39%	+9.85%
6 months	-15.49%	+13.02%
1 year	+3.80%	-26.70%
5 years(CAGR)	-29.27%	-9.48%
10 years(CAGR)	-5.29%	-5.07%
Max(CAGR)	-9.21%	-6.14%

CLNE

-7.28%

Winner

AMBC

+8.40%

CLNE

-12.39%

Winner

AMBC

+9.85%

CLNE

-15.49%

Winner

AMBC

+13.02%

Winner

CLNE

+3.80%

AMBC

-26.70%

5Y(CAGR)

CLNE

-29.27%

Winner

AMBC

-9.48%

10Y(CAGR)

CLNE

-5.29%

Winner

AMBC

-5.07%

Max(CAGR)

CLNE

-9.21%

Winner

AMBC

-6.14%

CLNE vs AMBC - Annual Returns (2007 - 2026)

Returns include dividend reinvestment.

Year	CLNE	AMBC
2026	-11.57%	N/A
2025	-20.15%	-27.24%
2024	-33.95%	-21.43%
2023	-24.75%	-1.67%
2022	-20.49%	+9.00%
2021	-21.66%	+8.30%
2020	+228.87%	-29.32%
2019	+30.00%	+22.98%
2018	-19.63%	+8.36%
2017	-34.30%	-29.10%
2016	-18.29%	+63.40%
2015	-29.69%	-43.23%
2014	-60.92%	+0.62%
2013	-1.75%	+22.80%
2012	-3.86%	N/A
2011	-12.39%	N/A
2010	-11.73%	N/A
2009	+143.44%	N/A
2008	-60.00%	N/A
2007	+25.75%	N/A

CLNE vs AMBC Drawdown Comparison

The maximum drawdown for CLNE was -95.48%, occurring on Mar 12, 2020. This drawdown has not yet recovered.

The maximum drawdown for AMBC was -81.17%, occurring on May 14, 2025. This drawdown has not yet recovered.

The current CLNE drawdown is -92.02%. The current AMBC drawdown is -73.96%.

Rank	CLNE	AMBC
#1	-95.48% Mar 21, 2012 - Mar 12, 2020	-81.17% Mar 5, 2014 - May 14, 2025
#2	-82.37% Oct 15, 2007 - Mar 11, 2010	-42.78% May 20, 2013 - Feb 24, 2014
#3	-57.95% Apr 5, 2010 - Mar 21, 2012	-6.95% May 8, 2013 - May 17, 2013
#4	-35.90% Aug 9, 2007 - Oct 15, 2007	-4.22% Feb 28, 2014 - Mar 5, 2014
#5	-20.78% Jul 23, 2007 - Aug 8, 2007	N/A
#6	-13.48% Jun 19, 2007 - Jul 16, 2007	N/A
#7	-8.71% Mar 11, 2010 - Mar 31, 2010	N/A
#8	-4.69% Jun 5, 2007 - Jun 18, 2007	N/A
#9	-3.19% Jul 18, 2007 - Jul 23, 2007	N/A
#10	-0.33% May 25, 2007 - May 31, 2007	N/A