Clean Energy Fuels Corp. (CLNE) P/E Ratio History
Deep ValueTrading at -5.5x · 0th percentile of 5-year range · Significant discount to historical valuation · Data 2011–2020
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P/E Ratio Analysis
As of November 8, 2026, Clean Energy Fuels Corp. (CLNE) trades at a price-to-earnings ratio of -5.5x, with a stock price of $1.91 and trailing twelve-month earnings per share of $-0.34.
The current P/E is 121% below its 5-year average of 26.3x. Over the past five years, CLNE's P/E has ranged from a low of 8.9x to a high of 95.6x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Energy sector median P/E of 12.6x, CLNE trades at a 144% discount to its sector peers. The sector includes 159 companies with P/E ratios ranging from 0.1x to 148.1x.
Relative to the broader market, CLNE trades at a notable discount to the S&P 500 median P/E of 21.8x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our CLNE DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
CLNE Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
CLNE P/E vs Peers
Biofuels and Renewable Gas peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $8B | 11.9 | 2.90 | +147% | |
| $41M | 2.3Lowest | - | +639%Best | |
| $1B | 10.8 | 0.14Best | +52% | |
| $926M | 5.7 | - | -40% | |
| $290M | 5.7 | - | +120% | |
| $94B | 30.8 | 2.24 | -2% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
CLNE Historical P/E Data (2011–2020)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2020 Q3 | Sep 30 2020 | $2.48 | $0.17 | 14.7x | -44% |
| FY2020 Q2 | - | $2.22 | $0.16 | 14.0x | -47% |
| FY2020 Q1 | - | $1.78 | $0.16 | 11.0x | -58% |
| FY2019 Q4 | - | $2.34 | $0.10 | 23.7x | -10% |
| FY2017 Q2 | Jun 30 2017 | $2.54 | $0.16 | 16.2x | -38% |
| FY2017 Q1 | Mar 31 2017 | $2.55 | $0.29 | 8.9x | -66% |
| FY2011 Q1 | - | $16.38 | $0.17 | 95.6x | +264% |
Average P/E for displayed period: 26.3x
CLNE Chart Terminal
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Intrinsic Valuation
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Historical Returns
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Peer Comparison
Compare growth, multiples, and margins vs sector.
CLNE — Frequently Asked Questions
Quick answers to the most common questions about buying CLNE stock.
What is CLNE's P/E ratio?
Clean Energy Fuels Corp. (CLNE) trailing twelve-month P/E ratio is -5.5x, based on TTM diluted EPS of $-0.34. The 5-year average P/E is 26.3x and the historical range spans 8.9x to 95.6x.
Is CLNE stock overvalued or undervalued?
CLNE trades at -5.5x P/E, below its 5-year average of 26.3x. At the 0th percentile of its historical range (8.9x–95.6x), the stock is priced at a discount to its own history.
Is CLNE stock expensive?
No, CLNE is not expensive on a historical basis. The current P/E of -5.5x is below the 5-year average of 26.3x and sits at the 0th percentile of its valuation range.
What is CLNE's historical P/E range?
Over the past 5 years, CLNE's P/E ratio has ranged from 8.9x to 95.6x, with a median of 14.7x and an average of 26.3x. The current P/E of -5.5x places the stock at the 0th percentile of this range. Full historical data spans 2011–2020.
How does CLNE's P/E compare to the S&P 500?
CLNE trades at -5.5x P/E versus the S&P 500 median of 21.8x. The 125% discount to the market suggests lower growth expectations or perceived higher risk.
How does CLNE's valuation compare to Energy peers?
Clean Energy Fuels Corp. P/E of -5.5x compares to the Energy sector median of 12.6x. The discount suggests lower growth expectations, weaker margins, or higher perceived risk relative to peers. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is CLNE's PEG ratio?
CLNE PEG ratio is N/A, based on a P/E of -5.5x and EPS growth of -173.0%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is CLNE's earnings yield?
CLNE earnings yield is N/A, the inverse of its -5.5x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.