Ultralife (ULBI) Short Interest Ratio & Short Volume $5.46 -0.07 (-1.27%) Closing price 05/23/2025 04:00 PM EasternExtended Trading$5.48 +0.01 (+0.27%) As of 05/23/2025 04:04 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Ultralife Short Interest DataUltralife (ULBI) has a short interest of 284,900 shares, representing 2.81% of the float (the number of shares available for trading by the public). This marks a 1.60% increase in short interest from the previous month. The short interest ratio (days to cover) is 4.6, indicating that it would take 4.6 days of the average trading volume of 69,617 shares to cover all short positions.Current Short Interest284,900 sharesPrevious Short Interest280,400 sharesChange Vs. Previous Month+1.60%Dollar Volume Sold Short$1.28 millionShort Interest Ratio4.6 Days to CoverLast Record DateApril 30, 2025Outstanding Shares16,633,000 sharesFloat Size10,130,000 sharesShort Percent of Float2.81%Today's Trading Volume60,897 sharesAverage Trading Volume69,617 sharesToday's Volume Vs. Average87% Short Selling Ultralife? Sign up to receive the latest short interest report for Ultralife and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartULBI Short Interest Over TimeULBI Days to Cover Over TimeULBI Percentage of Float Shorted Over Time Ultralife Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/2025284,900 shares $1.28 million +1.6%2.8%4.6 $4.48 4/15/2025280,400 shares $1.24 million -11.5%2.8%4.7 $4.41 3/31/2025316,900 shares $1.70 million +9.7%3.1%5.6 $5.38 3/15/2025288,800 shares $1.59 million +0.8%2.9%5.6 $5.51 2/28/2025286,400 shares $1.80 million +32.8%2.8%5.6 $6.27 2/15/2025215,600 shares $1.54 million +5.1%2.1%4.2 $7.16 1/31/2025205,200 shares $1.56 million +8.6%2.0%3.4 $7.58 1/15/2025188,900 shares $1.49 million +5.1%1.9%3.2 $7.89 12/31/2024179,700 shares $1.34 million -0.8%1.8%3.1 $7.45 12/15/2024181,100 shares $1.41 million +19.3%1.8%2.8 $7.77 Get the Latest News and Ratings for ULBI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Ultralife and its competitors with MarketBeat's FREE daily newsletter. 11/30/2024151,800 shares $1.16 million -9.9%1.5%2.4 $7.67 11/15/2024168,400 shares $1.24 million -2.7%1.7%2.6 $7.36 10/31/2024173,100 shares $1.46 million -0.8%1.7%2.9 $8.41 10/15/2024174,400 shares $1.54 million -11.7%1.7%2.8 $8.85 9/30/2024197,500 shares $1.79 million -5.7%2.0%2.9 $9.04 9/15/2024209,500 shares $2.00 million -8.2%2.1%2.4 $9.55 8/31/2024228,100 shares $2.39 million -5.6%2.3%2.5 $10.46 8/15/2024241,700 shares $2.54 million -4.5%2.4%2.5 $10.52 7/31/2024253,200 shares $3.03 million -9.4%2.5%2.4 $11.98 7/15/2024279,600 shares $3.08 million +238.1%2.8%2.3 $11.03 6/30/202482,700 shares $878,274.00 +37.2%0.8%0.7 $10.62 6/15/202460,300 shares $611,442.00 +9.0%0.6%0.6 $10.14 5/31/202455,300 shares $643,692.00 -25.9%0.6%0.6 $11.64 5/15/202474,600 shares $885,502.00 -7.1%0.8%0.8 $11.87 4/30/202480,300 shares $939,510.00 +22.8%0.8%0.9 $11.70 4/15/202465,400 shares $562,440.00 -38.1%0.7%1.1 $8.60 3/31/2024105,600 shares $930,336.00 -18.1%1.1%1.7 $8.81 3/15/2024128,900 shares $1.09 million -14.6%1.4%2.2 $8.42 2/29/2024151,000 shares $1.37 million -2.9%1.6%2.6 $9.04 2/15/2024155,500 shares $1.46 million +3.1%1.7%2.7 $9.36 1/31/2024150,900 shares $1.07 million -9.2%1.6%2.7 $7.07 1/15/2024166,200 shares $1.23 million +6.1%1.8%2.2 $7.39 12/31/2023156,700 shares $1.07 million -4.8%N/A0 $6.82 12/15/2023164,600 shares $1.19 million -7.8%1.7%1.6 $7.21 11/30/2023178,600 shares $1.34 million -5.5%1.9%1.6 $7.49 11/15/2023189,000 shares $1.50 million -9.5%2.0%1.5 $7.93 10/31/2023208,900 shares $1.55 million -20.4%2.2%1.5 $7.42 10/15/2023262,300 shares $2.80 million +64.9%2.8%0.9 $10.67 9/30/2023159,100 shares $1.55 million +2.3%1.7%0.6 $9.76 9/15/2023155,500 shares $1.61 million +26.3%1.7%0.6 $10.35Buffett’s favorite chart just hit 209% – here’s what that means for gold (Ad)A Historic Gold Announcement Is About to Rock Wall Street For months, sharp-eyed analysts have watched the quiet buildup behind the scenes. 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Get Garrett’s Top Four picks now. 8/31/2023123,100 shares $1.17 million +43.0%1.3%0.5 $9.47 8/15/202386,100 shares $709,464.00 -67.7%0.9%0.4 $8.24 7/31/2023266,900 shares $2.19 million +481.5%2.9%1.4 $8.19 7/15/202345,900 shares $229,270.50 +8.5%0.5%2.4 $5.00 6/30/202342,300 shares $204,732.00 -23.0%0.5%2.3 $4.84 6/15/202354,900 shares $281,637.00 +160.2%0.6%3 $5.13 5/31/202321,100 shares $88,831.00 -13.5%0.2%1.3 $4.21 5/15/202324,400 shares $102,480.00 +43.5%0.3%1.4 $4.20 4/30/202317,000 shares $71,400.00 -30.3%0.2%1 $4.20 4/15/202324,400 shares $99,796.00 +35.6%0.3%1.3 $4.09 3/31/202318,000 shares $72,360.00 -23.4%0.2%0.9 $4.02 3/15/202323,500 shares $95,175.00 +35.8%0.3%1 $4.05 2/28/202317,300 shares $69,892.00 -11.3%0.2%0.6 $4.04 2/15/202319,500 shares $78,585.00 -16.0%0.2%0.6 $4.03 1/31/202323,200 shares $94,424.00 +16.6%0.2%0.7 $4.07 1/15/202319,900 shares $79,998.00 -14.6%0.2%0.6 $4.02 12/30/202223,300 shares $89,938.00 +2.6%0.2%0.7 $3.86 12/15/202222,700 shares $91,708.00 +5.6%0.2%0.8 $4.04 11/30/202221,500 shares $89,870.00 -19.2%0.2%0.9 $4.18 11/15/202226,600 shares $124,754.00 -7.3%0.3%1.3 $4.69 10/31/202228,700 shares $142,065.00 -53.1%0.3%1.4 $4.95 10/15/202261,200 shares $339,048.00 +15.0%0.6%2.5 $5.54 9/30/202253,200 shares $255,892.00 +19.6%0.6%2.2 $4.81 9/15/202244,500 shares $222,055.00 +25.7%0.5%1.9 $4.99 8/31/202235,400 shares $177,000.00 +10.6%0.4%1.5 $5.00 8/15/202232,000 shares $150,080.00 +6.3%0.3%1.3 $4.69 7/31/202230,100 shares $134,848.00 -17.8%0.3%1.3 $4.48 7/15/202236,600 shares $157,380.00 +12.6%0.4%2 $4.30 6/30/202232,500 shares $147,875.00 -18.8%0.3%1.8 $4.55 6/15/202240,000 shares $194,800.00 -2.0%0.4%2.2 $4.87 5/31/202240,800 shares $197,064.00 +4.1%0.4%2.4 $4.83 5/15/202239,200 shares $186,984.00 -15.7%0.4%2 $4.77 4/30/202246,500 shares $229,710.00 -3.1%0.5%2 $4.94 4/15/202248,000 shares $230,400.00 -21.4%0.5%2 $4.80 3/31/202261,100 shares $328,107.00 -23.1%0.6%2.4 $5.37 3/15/202279,500 shares $436,455.00 -29.5%0.8%2.5 $5.49 2/28/2022112,800 shares $605,736.00 +18.2%1.2%3 $5.37 2/15/202295,400 shares $457,920.00 -17.3%1.0%2.3 $4.80 1/31/2022115,300 shares $616,855.00 +25.1%1.2%2.9 $5.35 1/15/202292,200 shares $528,306.00 -15.4%0.9%2.2 $5.73 12/31/2021109,000 shares $658,360.00 +46.3%1.1%2.6 $6.04 12/15/202174,500 shares $402,300.00 +6.3%0.8%1.8 $5.40 11/30/202170,100 shares $375,035.00 -1.5%0.7%1.7 $5.35 11/15/202171,200 shares $433,608.00 -27.5%0.7%1.8 $6.09 10/29/202198,200 shares $614,732.00 +3.8%1.0%2.7 $6.26 10/15/202194,600 shares $671,660.00 -9.3%1.0%2.4 $7.10 9/30/2021104,300 shares $742,616.00 -30.4%1.1%2.4 $7.12 9/15/2021149,800 shares $1.12 million +17.9%1.5%2.2 $7.51 8/31/2021127,100 shares $1.04 million -19.2%1.3%1.7 $8.19 8/13/2021157,200 shares $1.31 million +0.5%1.6%1.7 $8.36White House to reset Social Security? 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And it could have a major impact on how you collect Social Security - Click here to understand what' 7/30/2021156,400 shares $1.24 million +1.1%1.6%0.3 $7.94 7/15/2021154,700 shares $1.31 million -6.6%1.6%0.3 $8.49 6/30/2021165,600 shares $1.39 million -59.2%1.7%0.3 $8.38 6/15/2021406,100 shares $3.65 million -27.6%4.1%0.7 $9.00 5/28/2021560,500 shares $5.12 million +65.1%5.7%0.9 $9.13 5/14/2021339,500 shares $2.73 million +17.6%3.5%0.6 $8.04 4/30/2021288,700 shares $2.37 million +24.7%2.9%2.6 $8.22 4/15/2021231,600 shares $1.98 million +39.7%2.4%1.9 $8.57 3/31/2021165,800 shares $1.28 million +0.2%1.7%1.3 $7.70 3/15/2021165,500 shares $1.32 million +0.2%1.7%1.4 $8.00 2/26/2021165,100 shares $1.14 million +21.9%1.7%1.7 $6.89 2/12/2021135,500 shares $953,920.00 +23.0%1.4%1.2 $7.04 1/29/2021110,200 shares $646,874.00 -3.9%1.1%1 $5.87 1/15/2021114,700 shares $792,577.00 +21.6%1.2%1.5 $6.91 12/31/202094,300 shares $597,862.00 -4.4%1.0%1.5 $6.34 12/15/202098,600 shares $672,452.00 -15.9%1.0%1.8 $6.82 11/30/2020117,300 shares $805,851.00 -1.9%1.2%2.2 $6.87 10/30/2020128,500 shares $681,050.00 -4.5%1.3%5.2 $5.30 10/15/2020134,600 shares $852,018.00 -0.1%1.4%5.8 $6.33 9/30/2020134,700 shares $794,730.00 -12.7%1.4%5.6 $5.90 9/15/2020154,300 shares $1.04 million -5.9%1.6%3.5 $6.75 8/31/2020164,000 shares $1.04 million -3.5%1.7%3.4 $6.32 8/14/2020169,900 shares $1.14 million -3.3%1.7%3.3 $6.70 7/31/2020175,600 shares $1.25 million -2.4%1.8%3.2 $7.10 7/15/2020179,900 shares $1.15 million -11.3%1.8%3.3 $6.40 6/30/2020202,900 shares $1.43 million +95.1%2.1%3.6 $7.04 6/15/2020104,000 shares $743,600.00 -0.2%1.1%2.8 $7.15 5/29/2020104,200 shares $870,070.00 +3.9%1.1%3.1 $8.35 ULBI Short Interest - Frequently Asked Questions What is Ultralife's current short interest? Short interest is the volume of Ultralife shares that have been sold short but have not yet been closed out or covered. As of April 30th, traders have sold 284,900 shares of ULBI short. 2.81% of Ultralife's shares are currently sold short. Learn More on Ultralife's current short interest. What is a good short interest ratio for Ultralife? 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. ULBI shares currently have a short interest ratio of 5.0. Learn More on Ultralife's short interest ratio. What is a good short interest percentage for Ultralife? 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. 2.81% of Ultralife's floating shares are currently sold short. Is Ultralife's short interest increasing or decreasing? Ultralife saw a increase in short interest in the month of April. As of April 30th, there was short interest totaling 284,900 shares, an increase of 1.6% from the previous total of 280,400 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 Ultralife's float size? Ultralife currently has issued a total of 16,633,000 shares. Some of Ultralife's 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. Ultralife currently has a public float of 10,130,000 shares. How does Ultralife's short interest compare to its competitors? 2.81% of Ultralife's shares are currently sold short. Here is how the short interest of companies in the industry of "electrical equipment" compare to Ultralife: NET Power Inc. (11.85%), SES AI Co. (10.25%), Amprius Technologies, Inc. (6.75%), GrafTech International Ltd. (8.67%), Solid Power, Inc. (14.19%), NOVONIX Limited (0.33%), FREYR Battery, Inc. (12.16%), Gauzy (1.30%), SKYX Platforms Corp. (5.57%), Energy Vault Holdings, Inc. (27.05%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Spotify Technology S.A. ($4.67 billion), Charter Communications, Inc. ($4.58 billion), Capital One Financial Co. ($4.47 billion), The Kroger Co. ($2.56 billion), Reddit, Inc. ($2.23 billion), Rivian Automotive, Inc. ($2.16 billion), Live Nation Entertainment, Inc. ($1.90 billion), SoFi Technologies, Inc. ($1.85 billion), Zscaler, Inc. ($1.75 billion), and Omnicom Group Inc. ($1.75 billion). View all of the most shorted stocks. What does it mean to sell short Ultralife stock? Short selling ULBI is an investing strategy that aims to generate trading profit from Ultralife as its price is falling. ULBI shares are trading down $0.07 today. 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 Ultralife? A short squeeze for Ultralife 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 ULBI, which in turn drives the price of the stock up even further. How often is Ultralife's 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 ULBI, twice per month. The most recent reporting period available is April, 30 2025. More Short Interest Resources from MarketBeat Related Companies NET Power Short Squeeze SES AI Short Squeeze Amprius Technologies Short Squeeze GrafTech International Short Squeeze Solid Power Short Squeeze NOVONIX Short Squeeze FREYR Battery Short Squeeze Gauzy Short Squeeze SKYX Platforms Short Squeeze Energy Vault 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:ULBI) was last updated on 5/25/2025 by MarketBeat.com Staff From Our PartnersGold Hits New Highs as Global Markets SpiralWhen Trump took office in 2017, gold was just $1,100 an ounce. By the time he left, it had soared to $1,839. ...Premier Gold Co | SponsoredWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... 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