Energy Focus (EFOI) Short Interest Ratio & Short Volume $2.48 0.00 (0.00%) Closing price 09/12/2025 03:58 PM EasternExtended Trading$2.44 -0.04 (-1.77%) As of 09/12/2025 07:14 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisChartCompetitorsEarningsHeadlinesSEC FilingsShort InterestTrendsBuy This Stock Energy Focus Short Interest DataEnergy Focus (EFOI) has a short interest of 13,900 shares, representing 0.43% of the float (the number of shares available for trading by the public). This marks a 1,290.00% increase in short interest from the previous month. The short interest ratio (days to cover) is 0.7, indicating that it would take 0.7 days of the average trading volume of 25,310 shares to cover all short positions.Current Short Interest13,900 sharesPrevious Short Interest1,000 sharesChange Vs. Previous Month+1,290.00%Dollar Volume Sold Short$35.86 thousandShort Interest Ratio0.7 Days to CoverLast Record DateAugust 31, 2025Outstanding Shares5,475,000 sharesFloat Size3,220,000 sharesShort Percent of Float0.43%Today's Trading Volume11,846 sharesAverage Trading Volume25,310 sharesToday's Volume Vs. Average47% Short Selling Energy Focus? Sign up to receive the latest short interest report for Energy Focus and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartEFOI Short Interest Over TimeEFOI Days to Cover Over TimeEFOI Percentage of Float Shorted Over Time Energy Focus Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 8/31/202513,900 shares $35.86 thousand +1,290.0%0.4%0.7 $2.58 8/15/20251,000 shares $1.94 thousand No Change0.0%0.1 $1.94 7/31/20251,000 shares $2.08 thousand -80.4%0.0%0.1 $2.08 7/15/20255,100 shares $12.34 thousand -58.2%0.2%0.4 $2.42 6/30/202512,200 shares $29.89 thousand +103.3%0.4%1 $2.45 6/15/20256,000 shares $11.19 thousand -36.2%0.2%0.6 $1.87 5/31/20259,400 shares $19.04 thousand -35.6%0.2%1 $2.03 5/15/202514,600 shares $22.25 thousand +11.5%0.3%0.7 $1.52 4/30/202513,100 shares $22.27 thousand -25.6%0.2%0 $1.70 4/15/202517,600 shares $29.92 thousand -32.6%0.3%0 $1.70 Get the Latest News and Ratings for EFOI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Energy Focus and its competitors with MarketBeat's FREE daily newsletter. 3/31/202526,100 shares $48.02 thousand -32.0%0.5%0 $1.84 3/15/202538,400 shares $81.02 thousand -61.1%0.7%0 $2.11 2/28/202598,800 shares $216.37 thousand +437.0%1.9%0.1 $2.19 2/15/202518,400 shares $23.74 thousand -25.2%0.4%0 $1.29 1/31/202524,600 shares $32.23 thousand -30.7%0.5%2.2 $1.31 1/15/202535,500 shares $46.15 thousand +73.2%0.8%3.4 $1.30 12/31/202420,500 shares $24.40 thousand -14.9%0.5%2 $1.19 12/15/202424,100 shares $33.02 thousand -6.2%0.5%2.5 $1.37 11/30/202425,700 shares $38.29 thousand -30.0%0.6%2.6 $1.49 11/15/202436,700 shares $53.21 thousand +55.5%0.8%3.7 $1.45 10/31/202423,600 shares $31.15 thousand -14.8%0.6%3.9 $1.32 10/15/202427,700 shares $35.73 thousand +22.0%0.8%4.4 $1.29 9/30/202422,700 shares $27.01 thousand +16.4%0.6%4 $1.19 9/15/202419,500 shares $24.28 thousand -3.9%0.5%2.7 $1.25 8/31/202420,300 shares $30.06 thousand +2.0%0.6%2.6 $1.48 8/15/202419,900 shares $28.57 thousand +17.8%0.6%2.6 $1.44 7/31/202416,900 shares $22.31 thousand +1.2%0.5%1.4 $1.32 7/15/202416,700 shares $22.71 thousand -23.7%0.5%1.3 $1.36 6/30/202421,900 shares $30.42 thousand +34.4%0.7%1.2 $1.39 6/15/202416,300 shares $28.52 thousand -7.9%0.5%0.9 $1.75 5/31/202417,700 shares $29.21 thousand -28.1%0.6%1 $1.65 5/15/202424,600 shares $47.48 thousand -22.4%0.8%1 $1.93 4/30/202431,700 shares $49.16 thousand -41.8%1.1%0.1 $1.55 4/15/202454,500 shares $81.21 thousand +41.2%1.9%0.2 $1.49 3/31/202438,600 shares $61.37 thousand +2.4%1.4%0.2 $1.59 3/15/202437,700 shares $61.45 thousand -46.2%1.3%0.2 $1.63 2/29/202470,100 shares $143.71 thousand +705.8%2.5%0.3 $2.05 2/15/20248,700 shares $11.31 thousand +11.5%0.3%0 $1.30 1/31/20247,800 shares $10.53 thousand +4.0%0.3%1.3 $1.35 1/15/20247,500 shares $11.18 thousand -2.6%0.3%1.3 $1.49 12/31/20237,700 shares $11.63 thousand -11.5%0.3%1.2 $1.51 12/15/20238,700 shares $12.35 thousand -28.1%0.3%1.3 $1.42 11/30/202312,100 shares $20.57 thousand -28.4%0.5%1.9 $1.70 11/15/202316,900 shares $20.60 thousand -5.6%0.7%2.8 $1.22 10/31/202317,900 shares $27.03 thousand -8.7%0.9%4.2 $1.51 10/15/202319,600 shares $38.22 thousand -13.7%1.0%3.6 $1.95 9/30/202322,700 shares $45.40 thousand +9.7%1.2%2.5 $2.00 9/15/202320,700 shares $46.78 thousand +8.4%1.1%2.2 $2.26 8/31/202319,100 shares $37.05 thousand +8.5%1.3%1.4 $1.94 8/15/202317,600 shares $34.14 thousand +45.5%1.2%1.2 $1.94 7/31/202312,100 shares $23.23 thousand -28.4%0.8%0.9 $1.92 7/15/202316,900 shares $33.41 thousand -17.2%1.1%1.2 $1.98 6/30/202320,400 shares $36.92 thousand +46.8%1.4%1.9 $1.81 6/15/202313,900 shares $35.97 thousand -91.3%0.9%1.4 $2.59 5/31/2023159,700 shares $66.83 thousand +7.5%1.5%4.1 $0.42 5/15/2023148,600 shares $69.22 thousand No Change1.4%2.3 $0.47 10/31/2022697,300 shares $284.99 thousand +714.6%N/A1.2 $0.41 10/15/202285,600 shares $35.47 thousand +22.6%N/A0.1 $0.41 9/30/202269,800 shares $36.30 thousand -60.0%N/A0.2 $0.52 9/15/2022174,500 shares $124.78 thousand -14.2%N/A0.5 $0.72 8/31/2022203,300 shares $152.45 thousand -20.7%N/A0.1 $0.75 8/15/2022256,200 shares $197.25 thousand +745.5%N/A0.1 $0.77 7/31/202230,300 shares $22.34 thousand -12.4%N/A0 $0.74 7/15/202234,600 shares $30.40 thousand -83.8%N/A0 $0.88 6/30/2022213,800 shares $277.94 thousand -75.8%N/A0.1 $1.30 6/15/2022883,200 shares $1.74 million +2,490.0%N/A0.2 $1.97 5/31/202234,100 shares $30.28 thousand -45.8%N/A0 $0.89 5/15/202262,900 shares $53.96 thousand +4.1%N/A0.3 $0.86 4/30/202260,400 shares $67.65 thousand -6.4%N/A0.3 $1.12 4/15/202264,500 shares $76.11 thousand -39.1%N/A0.2 $1.18 3/31/2022105,900 shares $144.02 thousand -30.8%N/A0 $1.36 3/15/2022153,000 shares $198.90 thousand +85.7%N/A0.2 $1.30 2/28/202282,400 shares $106.30 thousand -40.5%N/A0 $1.29 2/15/2022138,400 shares $203.45 thousand -24.5%N/A0 $1.47 1/31/2022183,300 shares $298.78 thousand -53.4%N/A0 $1.63 1/15/2022393,600 shares $850.18 thousand +4.5%N/A0.1 $2.16 12/31/2021376,700 shares $1.61 million -65.4%N/A0.1 $4.27 12/15/20211,090,000 shares $4.08 million +805.3%N/A0.3 $3.74 11/30/2021120,400 shares $267.29 thousand +103.7%N/A0 $2.22 11/15/202159,100 shares $155.43 thousand -5.1%N/A0.8 $2.63 10/29/202162,300 shares $199.36 thousand -0.2%N/A0.6 $3.20 10/15/202162,400 shares $187.20 thousand -22.7%N/A0.3 $3.00 9/30/202180,700 shares $250.17 thousand -8.3%N/A0.3 $3.10 9/15/202188,000 shares $275.44 thousand -39.1%N/A0.2 $3.13 8/31/2021144,600 shares $494.53 thousand -36.4%N/A0.3 $3.42 8/13/2021227,200 shares $627.07 thousand -1.5%N/A0.2 $2.76 7/30/2021230,700 shares $862.82 thousand -18.3%N/A0.2 $3.74 7/15/2021282,500 shares $1.09 million +60.7%N/A0.2 $3.86 6/30/2021175,800 shares $699.68 thousand -28.1%4.4%0.1 $3.98 6/15/2021244,400 shares $984.93 thousand -4.7%6.1%0.2 $4.03 5/28/2021256,400 shares $1.06 million -26.0%8.1%0.3 $4.14 5/14/2021346,400 shares $1.16 million +42.6%10.8%0.6 $3.35 4/30/2021243,000 shares $903.96 thousand +34.4%7.8%0.3 $3.72 4/15/2021180,800 shares $696.08 thousand +14.2%5.8%0.3 $3.85 3/31/2021158,300 shares $634.78 thousand -0.9%5.2%0.3 $4.01 3/15/2021159,700 shares $772.95 thousand -12.7%5.6%0.3 $4.84 2/26/2021182,900 shares $914.50 thousand -11.9%6.4%0.4 $5.00 2/12/2021207,500 shares $1.25 million +22.7%7.3%0.5 $6.02 1/29/2021169,100 shares $833.66 thousand +3.1%5.9%0.5 $4.93 1/15/2021164,100 shares $830.35 thousand -3.4%5.7%1.5 $5.06 12/31/2020169,800 shares $694.48 thousand -2.9%5.9%0.7 $4.09 12/15/2020174,800 shares $776.11 thousand -21.2%6.1%0.8 $4.44 11/30/2020221,700 shares $1.20 million +5.6%7.7%1 $5.41 11/15/2020209,900 shares $1.12 million -2.3%7.4%1 $5.34 10/30/2020214,900 shares $1.45 million -20.0%8.2%1.1 $6.73 10/15/2020268,500 shares $2.21 million -21.6%10.3%1.3 $8.24 9/30/2020342,300 shares $2.35 million -8.1%13.1%4.8 $6.87 9/15/2020372,300 shares $2.99 million -3.6%14.3%4.9 $8.04 EFOI Short Interest - Frequently Asked Questions What is Energy Focus' current short interest? Short interest is the volume of Energy Focus shares that have been sold short but have not yet been closed out or covered. As of August 31st, investors have sold 13,900 shares of EFOI short. 0.43% of Energy Focus' shares are currently sold short. Learn More on Energy Focus' current short interest. What is a good short interest ratio for Energy Focus? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. EFOI shares currently have a short interest ratio of 1.0. Learn More on Energy Focus's short interest ratio. What is a good short interest percentage for Energy Focus? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 0.43% of Energy Focus' floating shares are currently sold short. Is Energy Focus' short interest increasing or decreasing? Energy Focus saw a increase in short interest in August. As of August 31st, there was short interest totaling 13,900 shares, an increase of 1,290.0% from the previous total of 1,000 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. What is Energy Focus' float size? Energy Focus currently has issued a total of 5,475,000 shares. Some of Energy Focus' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Energy Focus currently has a public float of 3,220,000 shares. How does Energy Focus' short interest compare to its competitors? 0.43% of Energy Focus' shares are currently sold short. Here is how the short interest of companies in the industry of "electrical equipment" compare to Energy Focus: Pioneer Power Solutions, Inc. (2.40%), Welsbach Technology Metals Acquisition Corp. (0.41%), Captivision Inc. (0.10%), Laser Photonics Co. (10.27%), Flux Power Holdings, Inc. (5.72%), Orion Energy Systems, Inc. (0.30%), Sunrise New Energy Co., Ltd. (0.02%), ESS Tech, Inc. (12.15%), Dragonfly Energy Holdings Corp. (8.32%), Elong Power Holding Limited (4.81%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($73.23 billion), Invesco QQQ ($29.52 billion), iShares Russell 2000 ETF ($20.82 billion), iShares 20+ Year Treasury Bond ETF ($10.76 billion), Palo Alto Networks, Inc. ($9.37 billion), Strategy Inc ($7.58 billion), Invesco S&P 500 Equal Weight ETF ($6.78 billion), SPDR S&P Biotech ETF ($6.72 billion), AppLovin Corporation ($6.37 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($6.29 billion). View all of the most shorted stocks. What does it mean to sell short Energy Focus stock? Short selling EFOI is an investing strategy that aims to generate trading profit from Energy Focus as its price is falling. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against Energy Focus? A short squeeze for Energy Focus occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of EFOI, which in turn drives the price of the stock up even further. How often is Energy Focus' short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including EFOI, twice per month. The most recent reporting period available is August, 31 2025. More Short Interest Resources from MarketBeat Related Companies PPSI Short Squeeze WTMA Short Squeeze CAPT Short Squeeze LASE Short Squeeze FLUX Short Squeeze OESX Short Squeeze EPOW Short Squeeze GWH Short Squeeze DFLI Short Squeeze ELPW Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:EFOI) was last updated on 9/13/2025 by MarketBeat.com Staff From Our PartnersWhy Trump’s “Smart Dollar” could rewrite the rulesMUST SEE: Donald Trump's Radical Overhaul of the U.S. Dollar Congress just approved President Trump's lates...Stansberry Research | SponsoredTrump's Law S.1582: $21T Dollar Revolution ComingDo you have money in any of these banks? Chase. Bank of America. Citigroup. Wells Fargo. U.S. Bancorp. 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