Heidelberg Materials (HLBZF) Short Interest Ratio & Short Volume $241.75 -0.08 (-0.03%) As of 08/22/2025 03:40 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartDividendHeadlinesSEC FilingsShort InterestBuy This Stock Heidelberg Materials Short Interest DataHeidelberg Materials (HLBZF) has a short interest of 298,200 shares. This marks a 141.65% increase in short interest from the previous month. The short interest ratio (days to cover) is 372.8, indicating that it would take 372.8 days of the average trading volume of 2,947 shares to cover all short positions.Current Short Interest298,200 sharesPrevious Short Interest123,400 sharesChange Vs. Previous Month+141.65%Dollar Volume Sold Short$71.63 millionShort Interest Ratio372.8 Days to CoverLast Record DateJuly 31, 2025Today's Trading Volume8 sharesAverage Trading Volume2,947 sharesToday's Volume Vs. Average0% Short Selling Heidelberg Materials? 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Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartHLBZF Short Interest Over TimeHLBZF Days to Cover Over TimeHLBZF Percentage of Float Shorted Over Time Heidelberg Materials Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/2025298,200 shares $71.63 million +141.7%N/A372.8 $240.22 7/15/2025123,400 shares $29.03 million -63.1%N/A154.3 $235.25 6/30/2025334,000 shares $79.94 million +128.3%N/A56.6 $239.34 6/15/2025146,300 shares $30.50 million +7.7%N/A365.8 $208.50 5/31/2025135,800 shares $26.50 million -69.9%N/A339.5 $195.15 5/15/2025451,100 shares $96.62 million +247.5%N/A250.6 $214.19 4/30/2025129,800 shares $25.46 million -52.9%N/A56.4 $196.15 4/15/2025275,400 shares $51.69 million +61.1%N/A8.7 $187.68 3/31/2025171,000 shares $28.81 million +138.2%N/A9.8 $168.50 3/15/202571,800 shares $12.78 million +0.6%N/A20.5 $178.06 Get the Latest News and Ratings for HLBZF and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Heidelberg Materials and its competitors with MarketBeat's FREE daily newsletter. 2/28/202571,400 shares $10.42 million -6.1%N/A714 $146.00 2/15/202576,000 shares $11.56 million -18.7%N/A54.3 $152.09 1/31/202593,500 shares $13.49 million -3.7%N/A42.5 $144.25 1/15/202597,100 shares $12.71 million -26.4%N/A971 $130.88 12/31/2024131,900 shares $16.55 million +62.2%N/A1319 $125.50 12/15/202481,300 shares $10.47 million +85.6%N/A813 $128.75 11/30/202443,800 shares $5.43 million -21.7%N/A87.6 $123.95 11/15/202455,900 shares $5.75 million +5.3%N/A559 $102.89 10/31/202453,100 shares $5.46 million +38.6%N/A531 $102.89 10/15/202438,300 shares $4.27 million -51.5%N/A127.7 $111.50 9/30/202479,000 shares $8.81 million +109.0%N/A790 $111.50 9/15/202437,800 shares $3.69 million -14.1%N/A378 $97.62 8/31/202444,000 shares $4.30 million -29.2%N/A0 $97.62 8/15/202462,100 shares $6.06 million -17.0%N/A155.3 $97.62 7/31/202474,800 shares $7.99 million +6.0%N/A748 $106.88 7/15/202470,600 shares $7.50 million +22.6%N/A706 $106.20 6/30/202457,600 shares $5.88 million -28.2%N/A576 $102.00 6/15/202480,200 shares $8.39 million +27.7%N/A801.5 $104.63 5/31/202462,800 shares $6.56 million -45.4%N/A314 $104.50 5/15/2024115,100 shares $11.50 million +116.8%N/A287.8 $99.93 4/30/202453,100 shares $5.31 million -7.7%N/A531 $99.93 4/15/202457,500 shares $5.98 million -15.9%N/A575 $103.96 3/31/202468,400 shares $7.58 million +35.5%N/A684 $110.75 3/15/202450,500 shares $5.10 million -14.1%N/A252.5 $100.98 2/29/202458,800 shares $5.45 million -31.0%N/A588 $92.75 2/15/202485,200 shares $7.46 million -20.4%N/A426 $87.50 1/15/2024222,600 shares $20.45 million -19.6%N/A2226 $91.85 12/31/2023277,000 shares $22.13 million -4.9%N/A0 $79.90 12/15/2023291,300 shares $23.27 million -13.5%N/A0 $79.90 11/30/2023336,800 shares $26.91 million -1.2%N/A3368 $79.90Musk’s Project Colossus could mint millionaires (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 September 1st funding windo 11/15/2023340,900 shares $26.93 million -3.7%N/A3409 $79.00 10/31/2023354,000 shares $24.58 million +31.2%N/A3540 $69.44 10/15/2023269,800 shares $20.75 million +6.3%N/A449.7 $76.90 9/30/2023253,800 shares $19.92 million +22.0%N/A1269 $78.50 9/15/2023208,000 shares $16.64 million +99.2%N/A1040 $80.00 8/31/2023104,400 shares $8.35 million -28.7%N/A490.4 $80.00 8/15/2023146,500 shares $12.20 million +47.4%N/A1465 $83.30 7/31/202399,400 shares $7.87 million +53.6%N/A165.7 $79.15 7/15/202364,700 shares $4.85 million -22.1%N/A80.9 $74.90 6/30/202383,000 shares $6.58 million -27.1%N/A830 $79.25 6/15/2023113,900 shares $8.99 million -17.8%N/A1139 $78.90 5/31/2023138,500 shares $10.07 million +13.9%N/A461.7 $72.70 5/15/2023121,600 shares $8.87 million -69.7%N/A304 $72.94 4/30/2023401,500 shares $29.61 million -6.9%N/A4015 $73.76 4/15/2023431,400 shares $31.82 million +43.7%N/A431.4 $73.76 3/31/2023300,200 shares $19.64 million +46.9%N/A3002 $65.42 3/15/2023204,400 shares $14.36 million +13.9%N/A1022 $70.24 2/28/2023179,500 shares $12.41 million -45.3%N/A1795 $69.15 2/15/2023328,300 shares $22.40 million +9.2%N/A656.6 $68.24 1/31/2023300,600 shares $18.90 million +82.3%N/A751.5 $62.86 1/15/2023164,900 shares $9.95 million -30.7%N/A103.1 $60.34 12/30/2022237,900 shares $13.53 million +68.8%N/A396.5 $56.86 12/15/2022140,900 shares $7.77 million -31.8%N/A1409 $55.16 11/30/2022206,700 shares $11.37 million -21.4%N/A2067 $55.00 11/15/2022263,100 shares $14.47 million -18.4%N/A2631 $55.00 10/31/2022322,500 shares $14.72 million -53.2%N/A537.5 $45.65 10/15/2022689,200 shares $28.77 million -16.4%N/A362.7 $41.75 9/30/2022824,200 shares $32.80 million +33.2%N/A374.6 $39.80 9/15/2022618,600 shares $28.61 million -5.0%N/A237.9 $46.25 8/31/2022650,800 shares $29.74 million +34.7%N/A1627 $45.69 8/15/2022483,100 shares $25.12 million +47.3%N/A4831 $52.00 7/31/2022328,000 shares $16.40 million +7.1%N/A656 $49.99 7/15/2022306,200 shares $13.97 million -55.3%N/A235.5 $45.61 6/30/2022685,300 shares $33.07 million +1.4%N/A685.3 $48.26 6/15/2022675,700 shares $36.10 million +9.6%N/A6757 $53.42 5/31/2022616,500 shares $35.94 million -19.4%N/A385.3 $58.30 5/15/2022764,600 shares $41.09 million -3.8%N/A695.1 $53.74 4/30/2022794,800 shares $45.30 million -23.5%N/A274.1 $57.00 4/15/20221,039,300 shares $57.23 million -13.1%N/A2078.6 $55.07 3/31/20221,196,400 shares $71.31 million -3.3%N/A11964 $59.60 3/15/20221,236,700 shares $74.42 million -9.7%N/A687.1 $60.18 2/28/20221,369,700 shares $90.40 million -6.3%N/A1521.9 $66.00 2/15/20221,461,900 shares $109.41 million +3.2%N/A7309.5 $74.84 1/31/20221,416,400 shares $99.36 million +27.1%N/A4721.3 $70.15 1/15/20221,114,600 shares $83.60 million -11.1%N/A5573 $75.00 12/31/20211,254,100 shares $82.82 million -10.9%N/A2508.2 $66.04 12/15/20211,407,700 shares $92.61 million +4.6%N/A7038.5 $65.79 11/30/20211,345,300 shares $90.54 million +51.7%N/A4484.3 $67.30 11/15/2021887,000 shares $66.27 million +15.8%N/A8870 $74.72 10/29/2021766,300 shares $57.35 million -32.9%N/A255.4 $74.84Musk’s Project Colossus could mint millionaires (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 September 1st funding windo 10/15/20211,142,100 shares $83.37 million +161.8%N/A308.7 $73.00 9/30/2021436,300 shares $32.92 million +8.6%N/A59 $75.45 9/15/2021401,800 shares $32.78 million +28.7%N/A574 $81.58 8/31/2021312,200 shares $27.47 million +61.2%N/A3122 $88.00 8/13/2021193,700 shares $17.62 million +62.5%N/A1937 $90.95 7/30/2021119,200 shares $10.73 million -58.2%N/A397.3 $90.00 7/15/2021285,400 shares $24.94 million +661.1%N/A2854 $87.39 6/30/202137,500 shares $3.36 million -84.7%N/A125 $89.66 6/15/2021244,400 shares $22.06 million -25.0%N/A271.6 $90.25 5/28/2021325,800 shares $29.70 million +249.2%N/A1086 $91.15 5/14/202193,300 shares $8.34 million +51.5%N/A26.7 $89.41 4/30/202161,600 shares $5.78 million +80.7%N/A32.4 $93.79 4/15/202134,100 shares $3.21 million -41.1%N/A34.1 $94.10 3/31/202157,900 shares $5.37 million -26.9%N/A82.7 $92.73 3/15/202179,200 shares $6.86 million -56.3%N/A792 $86.60 2/26/2021181,100 shares $13.83 million -46.4%N/A1811 $76.35 2/12/2021337,800 shares $25.72 million +42.5%N/A3378 $76.15 1/29/2021237,000 shares $17.89 million +134.4%N/A2370 $75.50 1/15/2021801,700 shares $66.46 million +13.7%N/A2672.3 $82.90 12/31/2020448,700 shares $33.88 million -44.0%N/A4487 $75.50 12/15/2020801,700 shares $57.73 million +13.7%N/A2672.3 $72.01 11/30/2020704,900 shares $49.23 million +7.0%N/A1409.8 $69.85 11/15/2020659,000 shares $45.51 million +47.7%N/A941.4 $69.06 10/30/2020446,200 shares $25.61 million +6.9%N/A4462 $57.39 10/15/2020417,500 shares $27.35 million -9.7%N/A521.9 $65.50 9/30/2020462,400 shares $27.92 million +60.1%N/A1156 $60.39 9/15/2020288,800 shares $18.50 million +8.5%N/A577.6 $64.05 8/31/2020266,100 shares $16.79 million +52.9%N/A64.9 $63.08 HLBZF Short Interest - Frequently Asked Questions What is Heidelberg Materials' current short interest? Short interest is the volume of Heidelberg Materials shares that have been sold short but have not yet been closed out or covered. As of July 31st, traders have sold 298,200 shares of HLBZF short. Learn More on Heidelberg Materials' current short interest. What is a good short interest ratio for Heidelberg Materials? 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. HLBZF shares currently have a short interest ratio of 373.0. Learn More on Heidelberg Materials's short interest ratio. Is Heidelberg Materials' short interest increasing or decreasing? Heidelberg Materials saw a increase in short interest in the month of July. As of July 31st, there was short interest totaling 298,200 shares, an increase of 141.7% from the previous total of 123,400 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. 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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short Heidelberg Materials stock? Short selling HLBZF is an investing strategy that aims to generate trading profit from Heidelberg Materials as its price is falling. HLBZF shares are trading down $0.08 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 Heidelberg Materials? A short squeeze for Heidelberg Materials 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 HLBZF, which in turn drives the price of the stock up even further. How often is Heidelberg Materials' 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 HLBZF, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies AALBF Short Squeeze AGRPY Short Squeeze AICAF Short Squeeze EADSF Short Squeeze AIPUY Short Squeeze AKBTY Short Squeeze AMDWF Short Squeeze AEBZY Short Squeeze AABB Short Squeeze ECRTF 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:HLBZF) was last updated on 8/23/2025 by MarketBeat.com Staff From Our PartnersBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. 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