CLNE vs VLO vs MNTK Stock Comparison

Clean Energy Fuels, Valero Energy and Montauk Renewables Prices as of Oct 23, 2026 Peers: Industry group
VLO Valero Energy Corp/Tx
$419.16 +11.5% 1M +142.1% 1Y
Market cap
$125.25B
P/E
17.4x
Revenue (TTM)
$139.40B
Div. yield
0.01%
Oil Refining Energy
10 wins

Head to Head

11 decided of 12

Valero Energy leads on 10 of the 12 questions below (Valero Energy 10, Clean Energy Fuels 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCLNEVLOMNTKLeader
Larger companyMarket capitalisation $318.27M $125.25B $307.26M VLO
Cheaper on earningsLower P/E, profitable companies only -3.4x 17.4x 38.7x VLO
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 8.4x 17.8x VLO
Faster revenue growthRevenue growth, trailing twelve months +5.2% +12.6% +4.3% VLO
More profitableNet margin, trailing twelve months -21.3% 5.2% 4.2% VLO
Better return on capitalReturn on invested capital -4.1% 19.8% 0.3% VLO
Less leveragedLower net debt / EBITDA 3.3x 0.3x 3.9x VLO
Higher dividend yieldTrailing dividend yield 0.00% 0.01% 0.00% –
Better 1-year returnPrice return, last 12 months -49.0% +142.1% -3.6% VLO
Better 5-year returnAnnualised price return, 5 years -30.0%/yr +39.0%/yr -28.4%/yr VLO
Less volatileAnnualised volatility, 1 year 54.2% 37.6% 79.2% VLO
Higher overall scoreMean of the five percentile scores vs peers 65/100 62/100 51/100 CLNE

Percentile Scorecard

CLNEVLOMNTK

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisCLNEVLOMNTK
Valuation 90 #2 of 11 18 #19 of 23 70 #4 of 11
Growth 60 #5 of 11 67 #7 of 19 20 #9 of 11
Profitability 50 #5 of 9 78 #5 of 19 75 #3 of 9
Financial Health 60 #5 of 11 88 #4 of 25 40 #7 of 11
Shareholder Returns – 59 #8 of 18 –
Overall 65 62 51
  • CLNE ranked among 11 companies in Renewable Fuels
  • VLO ranked among 25 companies in Refining and Marketing
  • MNTK ranked among 11 companies in Renewable Fuels

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodCLNEVLOMNTKSPY
1 month -9.9%+11.5%-6.6% -1.0%
3 months -28.1%+38.6%+13.9% +2.9%
6 months -36.0%+77.7%+49.0% +6.4%
Year to date -30.5%+157.5%+27.5% +11.4%
1 year -49.0%+142.1%-3.6% +13.1%
3 years -60.8%+225.4%-78.6% +79.4%
3 years, per year -26.8%+48.2%-40.2% +21.5%
5 years -83.1%+417.5%-81.2% +67.7%
5 years, per year -30.0%+39.0%-28.4% +10.9%
10 years -66.4%+651.7%— +255.2%
10 years, per year -10.3%+22.4%— +13.5%

Risk

MeasureCLNEVLOMNTKSPY
Volatility, 1Y 54.2%37.6%79.2% 12.7%
Downside volatility, 1Y 59.0%34.4%75.9% 12.7%
Beta vs S&P 500, 1Y -0.11-0.371.23 1.00
Return / volatility, 1Y -0.903.78-0.05 1.03
Max drawdown, 5Y -86.2%-42.9%-94.5% -25.4%
From 52-week high -52.3%-8.8%-27.6% -2.5%
52-week high $3.06$459.67$2.94 $779.14
52-week low $1.35$161.94$1.12 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleCLNEVLOMNTK
P/E now vs peer median -3.4xmedian 10.9x 17.1xmedian 10.4x 38.5xmedian 10.9x
P/S now vs peer median 0.7xmedian 1.2x 0.9xmedian 0.3x 1.6xmedian 1.2x
EV/EBITDA now vs peer median 15.4xmedian 14.0x 9.4xmedian 7.1x 12.6xmedian 14.0x
P/FCF now vs peer median 14.1xmedian 14.1x 12.0xmedian 9.4x -3.7xmedian 14.1x
P/B now vs peer median 0.6xmedian 1.1x 4.3xmedian 1.9x 1.2xmedian 1.1x
PEG now vs peer median 0.45median 0.19 -2.42median 0.30 -2.10median 0.19

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsCLNEVLOMNTK
Revenue $442.37M $139.40B $189.10M
Gross profit $121.76M $11.20B –
Operating income -$32.36M $10.01B $1.13M
Net income -$94.76M $7.62B $7.93M
Free cash flow $22.86M $10.08B -$83.37M
EPS (diluted) $-0.43 $24.53 $0.06
Cash & equivalents $59.15M $7.87B $15.76M
Total debt $229.02M $44.07B $494.59M
Shares (diluted) 220.26M 294.00M 143.93M
Enterprise value -$342.87M $102.19B $235.04M

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricCLNEVLOMNTK
P/E -3.4x 17.1x 38.5x
P/FCF 14.1x 12.0x -3.7x
P/Operating cash flow 6.9x 11.1x 7.0x
P/S 0.7x 0.9x 1.6x
P/B 0.6x 4.3x 1.2x
P/Tangible book 0.6x 4.3x 1.2x
EV/EBITDA 15.4x 9.4x 12.6x
EV/EBIT -12.7x 12.4x 390.2x
EV/Revenue 0.9x 0.9x 2.3x
EV/FCF 18.0x 12.3x -5.3x
EV/Operating cash flow 8.8x 11.4x 10.1x
PEG (3Y EPS CAGR) 0.45 -2.42 -2.10

Growth

14 metrics
MetricCLNEVLOMNTK
Revenue growth (1Y) 5.2% 12.6% 4.3%
Revenue CAGR (3Y) -1.4% -3.9% 2.1%
Gross profit growth (1Y) -0.3% 256.7% –
Gross profit CAGR (3Y) 7.0% -11.2% –
Operating income growth (1Y) 79.4% 951.6% -89.7%
Operating income CAGR (3Y) 22.0% -12.4% -62.7%
Net income growth (1Y) 53.6% 838.9% 199.8%
Net income CAGR (3Y) -7.2% -12.6% -18.0%
EPS growth (1Y) 53.7% 901.8% 197.9%
EPS CAGR (3Y) -7.7% -7.1% -18.3%
Operating cash flow growth (1Y) -54.5% 156.5% -6.9%
Operating cash flow CAGR (3Y) 19.2% 0.3% -10.4%
Free cash flow growth (1Y) -60.1% 222.7% -312.7%
Free cash flow CAGR (3Y) 36.4% 2.4% -100.9%

Profitability

14 metrics
MetricCLNEVLOMNTK
Gross margin 27.5% 8.0% –
EBITDA margin 6.0% 9.5% 18.4%
Operating margin -7.3% 7.2% 0.6%
Pretax margin -21.4% 7.1% 2.0%
Net margin -21.3% 5.2% 4.2%
FCF margin 5.2% 7.2% -44.1%
Operating cash flow margin 10.5% 7.8% 23.0%
Return on equity -16.9% 27.6% 3.0%
Return on assets -9.2% 12.0% 1.7%
Return on invested capital -4.1% 19.8% 0.3%
Return on capital employed -3.6% 22.4% 0.3%
Asset turnover 0.4x 2.2x 0.4x
Cash conversion (OCF / net income) -0.5x 1.4x 5.5x
Stock comp / revenue 2.0% – 1.0%

Financial Health

11 metrics
MetricCLNEVLOMNTK
Debt / assets 22.3% 17.6% 31.8%
Debt / equity 0.4x 0.4x 0.6x
Net debt / EBITDA 3.3x 0.3x 3.9x
Debt / FCF 10.0x 1.1x -1.8x
Liabilities / assets 45.5% 56.3% 43.8%
Equity / assets 54.5% 43.7% 56.2%
Interest coverage -0.7x 17.8x 0.2x
Current ratio 2.5x 1.6x 0.6x
Quick ratio 1.9x 1.2x 0.5x
Cash ratio 1.1x 0.4x 0.4x
Altman Z-score -0.76 6.01 1.42

Shareholder Returns

7 metrics
MetricCLNEVLOMNTK
Dividend yield – 1.1% –
Net buyback yield 0.0% 4.0% –
Shareholder yield 0.0% 5.1% –
Payout ratio (earnings) – 18.5% –
Payout ratio (FCF) – 14.0% –
Dividend growth (1Y) – 1.3% –
Dividend CAGR (3Y) – -2.2% –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusCLNEVLOMNTK
Forward P/E – 8.4xFY2026 17.8xFY2026
EPS, next fiscal year $-0.02FY2026 $49.71FY2026 $0.12FY2026
EPS growth, next FY -300.0%FY2026 +368.5%FY2026 +1,100.0%FY2026
EPS growth, the year after – -10.4% +41.7%
Revenue, next fiscal year $466.93MFY2026 $172.89BFY2026 $199.18MFY2026
Revenue growth, next FY +9.9%FY2026 +40.9%FY2026 +12.9%FY2026
Revenue growth, the year after +5.8% -21.1% +28.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCLNEVLOMNTK
Held by institutions 49.3% 83.6% 14.9%
Institutions holding 193 1,967 92
Change in shares held, QoQ +1.9% -1.5% +3.2%
Institutions buying 86 950 52
Institutions selling 59 709 26
Buyers to sellers 1.46 1.34 2.00

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

CLNEVLOMNTK
CLNE 1.00 0.21 0.07
VLO 0.21 1.00 0.07
MNTK 0.07 0.07 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, CLNE, VLO and MNTK?

Valero Energy (VLO) is the largest by market capitalisation: Clean Energy Fuels (CLNE) $318.27M, Valero Energy (VLO) $125.25B, Montauk Renewables (MNTK) $307.26M.

Which stock is cheaper, CLNE, VLO and MNTK?

Valero Energy (VLO) trades on the lowest price-to-earnings ratio (Clean Energy Fuels (CLNE) -3.4x, Valero Energy (VLO) 17.4x, Montauk Renewables (MNTK) 38.7x). On next year's consensus earnings, Valero Energy (VLO) is cheapest (Valero Energy (VLO) 8.4x, Montauk Renewables (MNTK) 17.8x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Valero Energy (VLO) grew revenue fastest over the trailing twelve months: Clean Energy Fuels (CLNE) +5.2%, Valero Energy (VLO) +12.6%, Montauk Renewables (MNTK) +4.3%.

Which company is more profitable?

Valero Energy (VLO) has the highest net margin (Clean Energy Fuels (CLNE) -21.3%, Valero Energy (VLO) 5.2%, Montauk Renewables (MNTK) 4.2%). On return on invested capital, Valero Energy (VLO) leads (Clean Energy Fuels (CLNE) -4.1%, Valero Energy (VLO) 19.8%, Montauk Renewables (MNTK) 0.3%).

Which stock has performed better?

Over the past year Valero Energy (VLO) returned the most: Clean Energy Fuels (CLNE) -49.0%, Valero Energy (VLO) +142.1%, Montauk Renewables (MNTK) -3.6%. Over five years, Valero Energy (VLO) compounded fastest (Clean Energy Fuels (CLNE) -30.0%/yr, Valero Energy (VLO) +39.0%/yr, Montauk Renewables (MNTK) -28.4%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Clean Energy Fuels (CLNE) 0.00%, Valero Energy (VLO) 0.01%, Montauk Renewables (MNTK) 0.00%. Clean Energy Fuels (CLNE) and Montauk Renewables (MNTK) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Valero Energy (VLO) has been the steadiest (Clean Energy Fuels (CLNE) 54.2%, Valero Energy (VLO) 37.6%, Montauk Renewables (MNTK) 79.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CLNE, VLO and MNTK?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Valero Energy (VLO) leads on 10. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.