CLNE vs GPRE vs REX Stock Comparison

Clean Energy Fuels, Green Plains and Rex American Resources Prices as of Oct 23, 2026 Peers: Industry group
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GPRE Green Plains Inc.
$13.98 -7.5% 1M +32.4% 1Y
Market cap
$970.68M
P/E
7.8x
Revenue (TTM)
$1.83B
Div. yield
–
Biofuels Energy
5 wins

Head to Head

11 decided of 12

Rex American Resources leads on 5 of the 12 questions below (Rex American Resources 5, Green Plains 5, Clean Energy Fuels 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCLNEGPREREXLeader
Larger companyMarket capitalisation $318.27M $970.68M $1.31B REX
Cheaper on earningsLower P/E, profitable companies only -3.4x 7.8x 10.9x GPRE
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 7.0x 27.7x GPRE
Faster revenue growthRevenue growth, trailing twelve months +5.2% -23.7% +2.9% CLNE
More profitableNet margin, trailing twelve months -21.3% 6.8% 18.3% REX
Better return on capitalReturn on invested capital -4.1% 10.3% — GPRE
Less leveragedLower net debt / EBITDA 3.3x 1.3x — GPRE
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -49.0% +32.4% +25.2% GPRE
Better 5-year returnAnnualised price return, 5 years -30.0%/yr -17.4%/yr +23.2%/yr REX
Less volatileAnnualised volatility, 1 year 54.2% 57.2% 32.6% REX
Higher overall scoreMean of the five percentile scores vs peers 65/100 89/100 90/100 REX

Percentile Scorecard

CLNEGPREREX

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

AxisCLNEGPREREX
Valuation 90 #2 of 11 100 #1 of 11 80 #3 of 11
Growth 60 #5 of 11 100 #1 of 11 90 #2 of 11
Profitability 50 #5 of 9 88 #2 of 9 100 #1 of 9
Financial Health 60 #5 of 11 70 #4 of 11 90 #2 of 11
Shareholder Returns – – –
Overall 65 89 90
  • CLNE ranked among 11 companies in Renewable Fuels
  • GPRE ranked among 11 companies in Renewable Fuels
  • REX ranked among 11 companies in Renewable Fuels

Price Performance

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

Returns

PeriodCLNEGPREREXSPY
1 month -9.9%-7.5%-9.6% -1.0%
3 months -28.1%-17.5%-10.3% +2.9%
6 months -36.0%-12.2%-14.7% +6.4%
Year to date -30.5%+42.7%+23.4% +11.4%
1 year -49.0%+32.4%+25.2% +13.1%
3 years -60.8%-49.3%+114.8% +79.4%
3 years, per year -26.8%-20.3%+29.1% +21.5%
5 years -83.1%-61.5%+183.1% +67.7%
5 years, per year -30.0%-17.4%+23.2% +10.9%
10 years -66.4%-47.7%+199.4% +255.2%
10 years, per year -10.3%-6.3%+11.6% +13.5%

Risk

MeasureCLNEGPREREXSPY
Volatility, 1Y 54.2%57.2%32.6% 12.7%
Downside volatility, 1Y 59.0%59.7%33.9% 12.7%
Beta vs S&P 500, 1Y -0.110.250.04 1.00
Return / volatility, 1Y -0.900.570.77 1.03
Max drawdown, 5Y -86.2%-92.5%-41.6% -25.4%
From 52-week high -52.3%-27.3%-22.1% -2.5%
52-week high $3.06$19.23$51.16 $779.14
52-week low $1.35$9.40$31.69 $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.

MultipleCLNEGPREREX
P/E now vs peer median -3.4xmedian 10.9x 7.8xmedian 10.9x 10.9xmedian 10.9x
P/S now vs peer median 0.7xmedian 1.2x 0.5xmedian 1.2x 2.0xmedian 1.2x
EV/EBITDA now vs peer median 15.4xmedian 14.0x 5.4xmedian 14.0x 6.2xmedian 14.0x
P/FCF now vs peer median 14.1xmedian 14.1x 7.7xmedian 14.1x 19.3xmedian 14.1x
P/B now vs peer median 0.6xmedian 1.1x 1.1xmedian 1.1x 1.7xmedian 1.1x
PEG now vs peer median 0.45median 0.19 0.23median 0.19 0.16median 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 monthsCLNEGPREREX
Revenue $442.37M $1.83B $658.58M
Gross profit $121.76M $293.29M $179.14M
Operating income -$32.36M $136.02M $133.32M
Net income -$94.76M $125.21M $141.02M
Free cash flow $22.86M $127.39M $68.55M
EPS (diluted) $-0.43 $1.47 $3.64
Cash & equivalents $59.15M $185.38M $91.33M
Total debt $229.02M $483.69M –
Shares (diluted) 220.26M 84.49M 33.09M
Enterprise value -$342.87M $371.35M -$143.29M

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
MetricCLNEGPREREX
P/E -3.4x 7.8x 10.9x
P/FCF 14.1x 7.7x 19.3x
P/Operating cash flow 6.9x 6.4x 9.2x
P/S 0.7x 0.5x 2.0x
P/B 0.6x 1.1x 1.7x
P/Tangible book 0.6x 1.1x 1.7x
EV/EBITDA 15.4x 5.4x 6.2x
EV/EBIT -12.7x 9.4x 7.1x
EV/Revenue 0.9x 0.7x 1.4x
EV/FCF 18.0x 10.0x 13.8x
EV/Operating cash flow 8.8x 8.3x 6.6x
PEG (3Y EPS CAGR) 0.45 0.23 0.16

Growth

14 metrics
MetricCLNEGPREREX
Revenue growth (1Y) 5.2% -23.7% 2.9%
Revenue CAGR (3Y) -1.4% -19.9% -8.0%
Gross profit growth (1Y) -0.3% 127.6% 103.3%
Gross profit CAGR (3Y) 7.0% 116.7% 50.4%
Operating income growth (1Y) 79.4% 280.2% 118.2%
Operating income CAGR (3Y) 22.0% 39.9% 61.5%
Net income growth (1Y) 53.6% 182.8% 116.6%
Net income CAGR (3Y) -7.2% 36.7% 132.7%
EPS growth (1Y) 53.7% 164.2% 128.4%
EPS CAGR (3Y) -7.7% 33.3% 70.6%
Operating cash flow growth (1Y) -54.5% 289.5% 164.0%
Operating cash flow CAGR (3Y) 19.2% 168.9% 42.7%
Free cash flow growth (1Y) -60.1% 389.9% 1,383%
Free cash flow CAGR (3Y) 36.4% 44.5% 16.3%

Profitability

14 metrics
MetricCLNEGPREREX
Gross margin 27.5% 16.0% 27.2%
EBITDA margin 6.0% 12.9% 23.1%
Operating margin -7.3% 7.4% 20.2%
Pretax margin -21.4% 3.7% 25.6%
Net margin -21.3% 6.8% 18.3%
FCF margin 5.2% 7.0% 10.4%
Operating cash flow margin 10.5% 8.4% 21.7%
Return on equity -16.9% 15.1% 18.9%
Return on assets -9.2% 7.7% 16.9%
Return on invested capital -4.1% 10.3% –
Return on capital employed -3.6% 10.4% 17.4%
Asset turnover 0.4x 1.1x 0.8x
Cash conversion (OCF / net income) -0.5x 1.2x 1.0x
Stock comp / revenue 2.0% 0.6% 1.4%

Financial Health

11 metrics
MetricCLNEGPREREX
Debt / assets 22.3% 29.2% –
Debt / equity 0.4x 0.6x –
Net debt / EBITDA 3.3x 1.3x –
Debt / FCF 10.0x 3.8x –
Liabilities / assets 45.5% 47.5% 9.9%
Equity / assets 54.5% 52.5% 90.1%
Interest coverage -0.7x 1.9x –
Current ratio 2.5x 2.0x 6.9x
Quick ratio 1.9x 0.8x 6.1x
Cash ratio 1.1x 0.6x 5.7x
Altman Z-score -0.76 2.06 12.27

Shareholder Returns

7 metrics
MetricCLNEGPREREX
Dividend yield – – –
Net buyback yield 0.0% – 0.1%
Shareholder yield 0.0% 0.0% 0.1%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

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.

ConsensusCLNEGPREREX
Forward P/E – 7.0xFY2026 27.7xFY2026
EPS, next fiscal year $-0.02FY2026 $2.00FY2026 $1.44FY2026
EPS growth, next FY -300.0%FY2026 – -42.4%FY2026
EPS growth, the year after – -11.0% +431.3%
Revenue, next fiscal year $466.93MFY2026 $1.82BFY2026 $720.58MFY2026
Revenue growth, next FY +9.9%FY2026 -12.7%FY2026 +10.8%FY2026
Revenue growth, the year after +5.8% +2.7% +13.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCLNEGPREREX
Held by institutions 49.3% 100.0% 79.9%
Institutions holding 193 219 231
Change in shares held, QoQ +1.9% +5.7% +0.3%
Institutions buying 86 118 114
Institutions selling 59 76 73
Buyers to sellers 1.46 1.55 1.56

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.

CLNEGPREREX
CLNE 1.00 0.25 0.37
GPRE 0.25 1.00 0.58
REX 0.37 0.58 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, CLNE, GPRE and REX?

Rex American Resources (REX) is the largest by market capitalisation: Clean Energy Fuels (CLNE) $318.27M, Green Plains (GPRE) $970.68M, Rex American Resources (REX) $1.31B.

Which stock is cheaper, CLNE, GPRE and REX?

Green Plains (GPRE) trades on the lowest price-to-earnings ratio (Clean Energy Fuels (CLNE) -3.4x, Green Plains (GPRE) 7.8x, Rex American Resources (REX) 10.9x). On next year's consensus earnings, Green Plains (GPRE) is cheapest (Green Plains (GPRE) 7.0x, Rex American Resources (REX) 27.7x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Clean Energy Fuels (CLNE) grew revenue fastest over the trailing twelve months: Clean Energy Fuels (CLNE) +5.2%, Green Plains (GPRE) -23.7%, Rex American Resources (REX) +2.9%.

Which company is more profitable?

Rex American Resources (REX) has the highest net margin (Clean Energy Fuels (CLNE) -21.3%, Green Plains (GPRE) 6.8%, Rex American Resources (REX) 18.3%). On return on invested capital, Green Plains (GPRE) leads (Clean Energy Fuels (CLNE) -4.1%, Green Plains (GPRE) 10.3%).

Which stock has performed better?

Over the past year Green Plains (GPRE) returned the most: Clean Energy Fuels (CLNE) -49.0%, Green Plains (GPRE) +32.4%, Rex American Resources (REX) +25.2%. Over five years, Rex American Resources (REX) compounded fastest (Clean Energy Fuels (CLNE) -30.0%/yr, Green Plains (GPRE) -17.4%/yr, Rex American Resources (REX) +23.2%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Rex American Resources (REX) has been the steadiest (Clean Energy Fuels (CLNE) 54.2%, Green Plains (GPRE) 57.2%, Rex American Resources (REX) 32.6%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CLNE, GPRE and REX?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Rex American Resources (REX) leads on 5. 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.