Blackline Safety (BLKLF) Short Interest Ratio & Short Volume $4.81 +0.11 (+2.34%) As of 02:40 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartHeadlinesShort InterestBuy This Stock Blackline Safety Short Interest DataBlackline Safety (BLKLF) has a short interest of 68,600 shares. This marks a 72.80% increase in short interest from the previous month. The short interest ratio (days to cover) is 1.4, indicating that it would take 1.4 days of the average trading volume of 22,063 shares to cover all short positions.Current Short Interest68,600 sharesPrevious Short Interest39,700 sharesChange Vs. Previous Month+72.80%Dollar Volume Sold Short$314,188.00Short Interest Ratio1.4 Days to CoverLast Record DateApril 15, 2025Today's Trading Volume13,400 sharesAverage Trading Volume22,063 sharesToday's Volume Vs. Average61% Short Selling Blackline Safety? 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Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartBLKLF Short Interest Over TimeBLKLF Days to Cover Over TimeBLKLF Percentage of Float Shorted Over Time Blackline Safety Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/15/202568,600 shares $314,188.00 +72.8%N/A1.4 $4.58 3/31/202539,700 shares $179,543.25 +12.2%N/A23.4 $4.52 3/15/202535,400 shares $167,088.00 +104.6%N/A0.3 $4.72 2/28/202517,300 shares $81,185.44 -27.0%N/A3.3 $4.69 2/15/202523,700 shares $119,922.00 +102.6%N/A3.8 $5.06 1/31/202511,700 shares $56,862.00 -51.7%N/A1.5 $4.86 1/15/202524,200 shares $108,573.30 +476.2%N/A12.7 $4.49 12/31/20244,200 shares $18,480.00 -16.0%N/A1 $4.40 12/15/20245,000 shares $21,950.00 -57.6%N/A0.8 $4.39 11/30/202411,800 shares $54,044.00 -59.2%N/A4.5 $4.58 Get the Latest News and Ratings for BLKLF and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Blackline Safety and its competitors with MarketBeat's FREE daily newsletter. 11/15/202428,900 shares $132,362.00 -7.4%N/A5.2 $4.58 10/31/202431,200 shares $138,840.00 -17.9%N/A26 $4.45 10/15/202438,000 shares $172,900.00 +12.8%N/A7.6 $4.55 9/30/202433,700 shares $142,888.00 +74.6%N/A6 $4.24 9/15/202419,300 shares $75,849.00 -6.8%N/A2.6 $3.93 8/31/202420,700 shares $71,001.00 +1.5%N/A29.6 $3.43 8/15/202420,400 shares $70,176.00 -21.8%N/A20.4 $3.44 7/31/202426,100 shares $84,825.00 +15.5%N/A21.8 $3.25 7/15/202422,600 shares $72,855.62 -5.0%N/A28.3 $3.22 6/30/202423,800 shares $76,636.00 +81.7%N/A7.4 $3.22 6/15/202413,100 shares $41,265.00 -47.6%N/A2.7 $3.15 5/31/202425,000 shares $70,000.00 +8.7%N/A14.7 $2.80 5/15/202423,000 shares $68,080.00 -19.0%N/A23 $2.96 4/30/202428,400 shares $89,971.20 +26.8%N/A15.8 $3.17 4/15/202422,400 shares $68,320.00 -15.2%N/A11.2 $3.05 3/31/202426,400 shares $80,256.00 +7.3%N/A9.1 $3.04 3/15/202424,600 shares $77,982.00 -1.2%N/A3.4 $3.17 2/29/202424,900 shares $80,427.00 +11.7%N/A2.5 $3.23 2/15/202422,300 shares $69,130.00 -7.9%N/A11.2 $3.10 1/15/202426,000 shares $79,560.00 +13.0%N/A10.4 $3.06 12/31/202323,000 shares $61,180.00 +0.4%N/A11.7 $2.66 12/15/202322,900 shares $60,227.00 -10.2%N/A12.1 $2.63 11/30/202325,500 shares $69,105.00 +2.8%N/A3.3 $2.71 11/15/202324,800 shares $60,016.00 +10.7%N/A82.7 $2.42 10/31/202322,400 shares $52,864.00 -15.2%N/A20.4 $2.36 10/15/202326,400 shares $69,168.00 -1.9%N/A22 $2.62 9/30/202326,900 shares $65,905.00 -5.9%N/A7.7 $2.45 9/15/202328,600 shares $69,469.40 -9.5%N/A7 $2.43 8/31/202331,600 shares $83,424.00 -4.8%N/A17.7 $2.64 8/15/202333,200 shares $93,956.00 +0.9%N/A30.2 $2.83Here’s How to Claim Your Stake in Elon’s Private Company, xAI (Ad)I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.All the details are waiting for you now — but you need to act before the May 1st funding window clos 7/31/202332,900 shares $97,055.00 +15.4%N/A6.9 $2.95 7/15/202328,500 shares $75,240.00 +0.4%N/A9.2 $2.64 6/30/202328,400 shares $68,444.00 +9.2%N/A6.2 $2.41 6/15/202326,000 shares $54,610.40 -1.5%N/A28.9 $2.10 5/31/202326,400 shares $52,800.00 +140.0%N/A66 $2.00 5/15/202311,000 shares $22,990.00 -20.3%N/A27.5 $2.09 4/30/202313,800 shares $29,118.00 -2.8%N/A138 $2.11 4/15/202314,200 shares $28,116.00 -17.9%N/A47.3 $1.98 3/31/202317,300 shares $29,583.00 -7.0%N/A14.4 $1.71 3/15/202318,600 shares $29,946.00 +3.3%N/A37.2 $1.61 2/28/202318,000 shares $30,780.00 +6.5%N/A60 $1.71 2/15/202316,900 shares $30,622.80 +0.6%N/A16.9 $1.81 1/31/202316,800 shares $30,744.00 +3.1%N/A4.4 $1.83 1/15/202316,300 shares $21,842.00 -5.8%N/A54.3 $1.34 12/30/202217,300 shares $23,010.73 -11.3%N/A6.4 $1.33 12/15/202219,500 shares $25,935.00 +12.7%N/A17.7 $1.33 11/30/202217,300 shares $20,241.00 -3.4%N/A12.4 $1.17 11/15/202217,900 shares $24,881.00 +23.5%N/A25.6 $1.39 10/31/202214,500 shares $16,747.50 -40.8%N/A7.6 $1.16 10/15/202224,500 shares $32,462.50 +59.1%N/A5.1 $1.33 9/30/202215,400 shares $18,480.00 +116.9%N/A1.4 $1.20 9/15/20227,100 shares $10,366.00 +2.9%N/A8.9 $1.46 8/31/20226,900 shares $10,902.00 No ChangeN/A9.9 $1.58 8/15/20226,900 shares $12,925.77 -2.8%N/A69 $1.87 7/31/20227,100 shares $12,885.79 -43.7%N/A23.7 $1.81 7/15/202212,600 shares $26,838.00 -13.1%N/A63 $2.13 6/30/202214,500 shares $35,380.00 +19.8%N/A145 $2.44 6/15/202212,100 shares $29,766.00 +10.0%N/A10.1 $2.46 5/31/202211,000 shares $35,310.00 -7.6%N/A110 $3.21 5/15/202211,900 shares $40,817.00 +38.4%N/A14.9 $3.43 4/30/20228,600 shares $34,744.86 +2.4%N/A86 $4.04 4/15/20228,400 shares $34,486.20 -1.2%N/A0.3 $4.11 3/31/20228,500 shares $37,145.00 +4.9%N/A85 $4.37 3/15/20228,100 shares $40,257.00 -1.2%N/A40.5 $4.97 2/28/20228,200 shares $40,016.00 -6.8%N/A5.9 $4.88 2/15/20228,800 shares $42,504.00 +8.6%N/A29.3 $4.83 1/31/20228,100 shares $37,989.00 -11.0%N/A20.3 $4.69 1/15/20229,100 shares $46,387.25 +85.7%N/A1.8 $5.10 12/31/20214,900 shares $23,912.00 -9.3%N/A1 $4.88 12/15/20215,400 shares $25,690.50 +35.0%N/A1.3 $4.76 11/30/20214,000 shares $20,320.00 -4.8%N/A0.6 $5.08 11/15/20214,200 shares $23,268.00 +16.7%N/A10.5 $5.54 10/29/20213,600 shares $20,248.20 No ChangeN/A1.4 $5.62 10/15/20213,600 shares $20,715.48 -5.3%N/A36 $5.75 9/30/20213,800 shares $21,666.46 +171.4%N/A1.4 $5.70 9/15/20211,400 shares $8,435.98 +7.7%N/A1.8 $6.03 8/31/20211,300 shares $8,007.99 -23.5%N/A0.9 $6.16 8/13/20211,700 shares $10,897.00 -52.8%N/A0.3 $6.41 7/30/20213,600 shares $23,816.88 +620.0%N/A1.2 $6.62 7/15/2021500 shares $3,410.00 -88.9%N/A1.3 $6.82Here’s How to Claim Your Stake in Elon’s Private Company, xAI (Ad)I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.All the details are waiting for you now — but you need to act before the May 1st funding window clos 6/30/20214,500 shares $31,815.00 +400.0%N/A3.5 $7.07 6/15/2021900 shares $6,624.00 +50.0%N/A0.9 $7.36 5/28/2021800 shares $5,928.00 -71.4%N/A1.6 $7.41 5/14/20212,800 shares $19,805.80 +55.6%N/A1 $7.07 4/30/20211,800 shares $12,622.32 +350.0%N/A3 $7.01 4/15/2021400 shares $2,703.72 No ChangeN/A2 $6.76 3/31/2021400 shares $2,565.12 -90.5%N/A0.3 $6.41 3/15/20214,200 shares $27,090.00 -10.6%N/A42 $6.45 2/26/20214,700 shares $30,141.10 +1,075.0%N/A4.7 $6.41 2/12/2021400 shares $2,669.55 +33.3%N/A0.4 $6.67 1/29/2021300 shares $1,692.29 -72.7%N/A3 $5.64 12/31/2020200 shares $1,128.20 No ChangeN/A0.1 $5.64 9/15/2020100 shares $484.84 -92.9%N/A0.1 $4.85 8/31/20201,400 shares $6,663.02 +1,300.0%N/A2.3 $4.76 8/14/2020100 shares $471.20 No ChangeN/A0.1 $4.71 7/31/2020100 shares $440.01 No ChangeN/A0.1 $4.40 7/15/2020100 shares $400.00 No ChangeN/A0 $4.00 6/30/2020100 shares $420.00 No ChangeN/A0.2 $4.20 6/15/2020100 shares $0.00 No ChangeN/A0.1 $0.00 5/29/2020100 shares $394.00 No ChangeN/A1 $3.94 5/15/2020100 shares $393.00 No ChangeN/A0.5 $3.93 BLKLF Short Interest - Frequently Asked Questions What is Blackline Safety's current short interest? Short interest is the volume of Blackline Safety shares that have been sold short but have not yet been covered or closed out. As of April 15th, investors have sold 68,600 shares of BLKLF short. Learn More on Blackline Safety's current short interest. What is a good short interest ratio for Blackline Safety? 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. BLKLF shares currently have a short interest ratio of 1.0. Learn More on Blackline Safety's short interest ratio. Is Blackline Safety's short interest increasing or decreasing? Blackline Safety saw a increase in short interest in the month of April. As of April 15th, there was short interest totaling 68,600 shares, an increase of 72.8% from the previous total of 39,700 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. Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($21.71 billion), iShares 20+ Year Treasury Bond ETF ($9.48 billion), Strategy Incorporated ($8.92 billion), Charter Communications, Inc. ($3.86 billion), Apollo Global Management, Inc. ($3.86 billion), Capital One Financial Co. ($3.72 billion), Super Micro Computer, Inc. ($3.47 billion), AppLovin Co. ($2.64 billion), VanEck Semiconductor ETF ($2.46 billion), and The Kroger Co. ($2.33 billion). View all of the most shorted stocks. What does it mean to sell short Blackline Safety stock? Short selling BLKLF is an investing strategy that aims to generate trading profit from Blackline Safety as its price is falling. BLKLF shares are trading up $0.11 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 Blackline Safety? A short squeeze for Blackline Safety occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of BLKLF, which in turn drives the price of the stock up even further. How often is Blackline Safety'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 BLKLF, twice per month. The most recent reporting period available is April, 15 2025. More Short Interest Resources from MarketBeat Related Companies LOQPF Short Squeeze AELTF Short Squeeze SWRM Short Squeeze APTY Short Squeeze AUUDW Short Squeeze BTRCF Short Squeeze CHNVF Short Squeeze CMDXF Short Squeeze DTLIF Short Squeeze DAVEW Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (OTCMKTS:BLKLF) was last updated on 5/1/2025 by MarketBeat.com Staff From Our PartnersHow to invest in Elon Musk’s Optimus before its launchElon Musk is set to completely take over the AI industry with Optimus… A breakthrough AI-powered robot that El...InvestorPlace | SponsoredTrump announcement boosts “next Bitcoin”President Trump just made his first big crypto move ... 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It’s worse…Investigative Journalist Bombhsell: The Curse on the U.S Dollar Depleted retirement accounts? Meme coin inv...Stansberry Research | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Blackline Safety Corp. Please log in to your account or sign up in order to add this asset to your watchlist. Share Blackline Safety With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. 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