Energy Focus, Inc. (EFOI) P/E Ratio History
Deep ValueTrading at -17.4x · 0th percentile of 5-year range · Significant discount to historical valuation · Data 1995–2016
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P/E Ratio Analysis
As of June 22, 2026, Energy Focus, Inc. (EFOI) trades at a price-to-earnings ratio of -17.4x, with a stock price of $3.13 and trailing twelve-month earnings per share of $-0.14.
The current P/E is 142% below its 5-year average of 41.8x. Over the past five years, EFOI's P/E has ranged from a low of 10.9x to a high of 136.5x, placing the current valuation at the 0th percentile of its historical range.
Compared to the Consumer Cyclical sector median P/E of 21.2x, EFOI trades at a 182% discount to its sector peers. The sector includes 307 companies with P/E ratios ranging from 0.1x to 184.9x.
Relative to the broader market, EFOI trades at a notable discount to the S&P 500 median P/E of 24.4x. 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 EFOI 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.
EFOI Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
EFOI P/E vs Peers
Specialty Components and Commercial Equipment peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $828M | 33.7 | 1.98 | -5% | |
| $10B | 25.3Lowest | 1.71 | -7% | |
| $28B | 31.7 | 1.52Best | +15%Best |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
EFOI Historical P/E Data (1995–2016)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2016 Q2 | - | $218.40 | $1.60 | 136.5x | +134% |
| FY2016 Q1 | - | $260.05 | $21.02 | 12.4x | -79% |
| FY2015 Q4 | - | $481.25 | $31.20 | 15.4x | -74% |
| FY2015 Q3 | Sep 30 2015 | $413.35 | $23.42 | 17.6x | -70% |
| FY2015 Q2 | - | $305.90 | $7.46 | 41.0x | -30% |
| FY2000 Q3 | Sep 30 2000 | $2756.25 | $28.60 | 96.4x | +65% |
| FY2000 Q2 | Jun 30 2000 | $3325.00 | $56.52 | 58.8x | +1% |
| FY2000 Q1 | Mar 31 2000 | $2625.00 | $77.52 | 33.9x | -42% |
| FY1999 Q4 | Dec 31 1999 | $2012.50 | $127.32 | 15.8x | -73% |
| FY1999 Q3 | - | $1531.25 | $140.17 | 10.9x | -81% |
| FY1999 Q2 | Jun 30 1999 | $1706.25 | $129.67 | 13.2x | -77% |
| FY1999 Q1 | Mar 31 1999 | $1389.06 | $119.17 | 11.7x | -80% |
| FY1998 Q4 | - | $1400.00 | $75.58 | 18.5x | -68% |
| FY1998 Q3 | Sep 30 1998 | $1750.00 | $24.50 | 71.4x | +23% |
| FY1998 Q2 | - | $1443.75 | $21.00 | 68.8x | +18% |
| FY1998 Q1 | - | $2143.75 | $28.00 | 76.6x | +31% |
| FY1997 Q4 | Dec 31 1997 | $1968.75 | $63.00 | 31.3x | -46% |
| FY1997 Q3 | - | $2209.38 | $62.50 | 35.4x | -39% |
| FY1997 Q2 | Jun 30 1997 | $1706.25 | $59.00 | 28.9x | -50% |
| FY1997 Q1 | Mar 31 1997 | $1706.25 | $41.50 | 41.1x | -29% |
| FY1996 Q4 | - | $1531.25 | $38.00 | 40.3x | -31% |
| FY1996 Q3 | Sep 30 1996 | $1793.75 | $35.00 | 51.3x | -12% |
| FY1996 Q2 | Jun 30 1996 | $2012.50 | $24.50 | 82.1x | +41% |
| FY1996 Q1 | Mar 31 1996 | $1531.25 | $3.50 | 437.5x | +651% |
| FY1995 Q3 | Sep 30 1995 | $1793.75 | $184.18 | 9.7x | -83% |
Average P/E for displayed period: 58.3x
Intrinsic Valuation
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Historical Returns
31+ years return with dividends reinvested.
DCA Calculator
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Peer Comparison
Compare growth, multiples, and margins vs sector.
EFOI — Frequently Asked Questions
Quick answers to the most common questions about buying EFOI stock.
What is EFOI's P/E ratio?
Energy Focus, Inc. (EFOI) trailing twelve-month P/E ratio is -17.4x, based on TTM diluted EPS of $-0.14. The 5-year average P/E is 41.8x and the historical range spans 10.9x to 136.5x.
Is EFOI stock overvalued or undervalued?
EFOI trades at -17.4x P/E, below its 5-year average of 41.8x. At the 0th percentile of its historical range (10.9x–136.5x), the stock is priced at a discount to its own history.
Is EFOI stock expensive?
No, EFOI is not expensive on a historical basis. The current P/E of -17.4x is below the 5-year average of 41.8x and sits at the 0th percentile of its valuation range.
What is EFOI's historical P/E range?
Over the past 5 years, EFOI's P/E ratio has ranged from 10.9x to 136.5x, with a median of 33.9x and an average of 41.8x. The current P/E of -17.4x places the stock at the 0th percentile of this range. Full historical data spans 1995–2016.
How does EFOI's P/E compare to the S&P 500?
EFOI trades at -17.4x P/E versus the S&P 500 median of 24.4x. The 171% discount to the market suggests lower growth expectations or perceived higher risk.
How does EFOI's valuation compare to Consumer Cyclical peers?
Energy Focus, Inc. P/E of -17.4x compares to the Consumer Cyclical sector median of 21.2x. 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 EFOI's PEG ratio?
EFOI PEG ratio is N/A, based on a P/E of -17.4x and EPS growth of 43.8%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is EFOI's earnings yield?
EFOI earnings yield is N/A, the inverse of its -17.4x 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.