China National Building Material (CBUMY) Short Interest Ratio & Short Volume $22.56 -0.22 (-0.97%) As of 05/22/2025 03:04 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartDividendHeadlinesShort InterestBuy This Stock China National Building Material Short Interest DataChina National Building Material (CBUMY) has a short interest of 900 shares. This marks a -25.00% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.5, indicating that it would take 4.5 days of the average trading volume of 1,236 shares to cover all short positions.Current Short Interest900 sharesPrevious Short Interest1,200 sharesChange Vs. Previous Month-25.00%Dollar Volume Sold Short$22,902.12Short Interest Ratio4.5 Days to CoverLast Record DateApril 30, 2025Today's Trading Volume190 sharesAverage Trading Volume1,236 sharesToday's Volume Vs. Average15% Short Selling China National Building Material? 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Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCBUMY Short Interest Over TimeCBUMY Days to Cover Over TimeCBUMY Percentage of Float Shorted Over Time China National Building Material Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 4/30/2025900 shares $22,902.12 -25.0%N/A4.5 $25.45 4/15/20251,200 shares $31,164.00 +1,100.0%N/A2.4 $25.97 3/31/2025100 shares $2,598.00 -50.0%N/A0 $25.98 3/15/2025200 shares $5,160.00 -94.7%N/A0.2 $25.80 2/28/20253,800 shares $96,588.40 -7.3%N/A7.6 $25.42 2/15/20254,100 shares $102,131.00 -18.0%N/A6.8 $24.91 1/31/20255,000 shares $119,750.00 -12.3%N/A4.2 $23.95 1/15/20255,700 shares $122,208.00 +5.6%N/A2.7 $21.44 12/31/20245,400 shares $122,310.00 -23.9%N/A3.4 $22.65 12/15/20247,100 shares $163,797.00 +51.1%N/A0.7 $23.07 Get the Latest News and Ratings for CBUMY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for China National Building Material and its competitors with MarketBeat's FREE daily newsletter. 11/30/20244,700 shares $99,687.00 +176.5%N/A3.1 $21.21 11/15/20241,700 shares $34,312.80 +88.9%N/A0.9 $20.18 10/31/2024900 shares $19,224.00 -80.0%N/A0.1 $21.36 10/15/20244,500 shares $82,935.00 +246.2%N/A1.1 $18.43 9/30/20241,300 shares $22,997.00 +116.7%N/A0.9 $17.69 9/15/2024600 shares $7,890.00 -25.0%N/A2 $13.15 8/31/2024800 shares $11,640.00 -11.1%N/A8 $14.55 8/15/2024900 shares $14,630.40 +80.0%N/A3 $16.26 7/31/2024500 shares $8,201.35 -16.7%N/A5 $16.40 7/15/2024600 shares $11,502.00 -25.0%N/A0.8 $19.17 6/30/2024800 shares $14,344.00 +300.0%N/A2.7 $17.93 6/15/2024200 shares $3,794.52 -33.3%N/A0.4 $18.97 5/31/2024300 shares $6,858.54 -62.5%N/A1 $22.86 5/15/2024800 shares $16,633.52 No ChangeN/A0.9 $20.79 4/15/2024800 shares $15,472.00 +700.0%N/A1.6 $19.34 3/31/2024100 shares $1,747.00 No ChangeN/A0 $17.47 3/15/2024100 shares $1,918.00 No ChangeN/A1 $19.18 2/29/2024100 shares $1,983.40 No ChangeN/A1 $19.83 2/15/2024100 shares $1,815.00 No ChangeN/A1 $18.15 1/15/2024100 shares $1,843.00 No ChangeN/A0.1 $18.43 12/31/2023100 shares $2,115.00 No ChangeN/A0.2 $21.15 12/15/2023100 shares $2,120.00 No ChangeN/A1 $21.20 11/30/2023100 shares $2,452.00 No ChangeN/A1 $24.52 11/15/2023100 shares $2,452.00 No ChangeN/A1 $24.52 10/31/2023100 shares $2,452.00 -83.3%N/A0 $24.52 10/15/2023600 shares $15,012.00 +500.0%N/A2 $25.02 9/30/2023100 shares $2,589.70 -66.7%N/A1 $25.90 9/15/2023300 shares $7,945.86 +50.0%N/A3 $26.49 8/31/2023200 shares $5,297.24 +100.0%N/A1.7 $26.49 8/15/2023100 shares $2,708.00 No ChangeN/A1 $27.08The Secret to Finding Breakout Stocks (Free eBook Inside!) 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With a single alert, you’d know exactly when to move— Here’s the good news: our team specializes in uncovering hidden gems before the market catches on.👉 Download Your Free Guide Now 7/15/20231,000 shares $28,600.00 +66.7%N/A1.4 $28.60 6/30/2023600 shares $18,528.00 No ChangeN/A6 $30.88 6/15/2023600 shares $18,516.00 -40.0%N/A1.5 $30.86 5/31/20231,000 shares $28,180.00 No ChangeN/A2 $28.18 5/15/20231,000 shares $37,620.00 +42.9%N/A3.3 $37.62 4/30/2023700 shares $26,565.00 +40.0%N/A7 $37.95 4/15/2023500 shares $19,945.00 No ChangeN/A0.7 $39.89 3/31/2023500 shares $21,555.00 -16.7%N/A5 $43.11 3/15/2023600 shares $27,660.00 +500.0%N/A1.5 $46.10 2/28/2023100 shares $4,549.00 No ChangeN/A1 $45.49 2/15/2023100 shares $4,549.00 No ChangeN/A1 $45.49 1/31/2023100 shares $4,468.00 -83.3%N/A0.5 $44.68 1/15/2023600 shares $26,808.00 +200.0%N/A3 $44.68 12/30/2022200 shares $8,812.00 No ChangeN/A2 $44.06 12/15/2022200 shares $8,812.00 No ChangeN/A1 $44.06 11/30/2022200 shares $8,206.00 +100.0%N/A2 $41.03 11/15/2022100 shares $3,762.00 No ChangeN/A1 $37.62 10/31/2022100 shares $3,662.00 No ChangeN/A1 $36.62 10/15/2022100 shares $3,820.00 No ChangeN/A1 $38.20 9/30/2022100 shares $3,820.00 No ChangeN/A0.3 $38.20 5/31/2022100 shares $6,173.00 No ChangeN/A1 $61.73 4/30/2022100 shares $6,720.00 No ChangeN/A1 $67.20 4/15/2022100 shares $6,618.00 No ChangeN/A0.5 $66.18 2/28/2022100 shares $6,375.00 No ChangeN/A0 $63.75 2/15/2022100 shares $7,240.00 No ChangeN/A1 $72.40 1/31/2022100 shares $6,615.00 -97.1%N/A1 $66.15 1/15/20223,400 shares $224,910.00 +1,033.3%N/A0.4 $66.15 12/31/2021300 shares $18,108.00 -25.0%N/A1 $60.36 12/15/2021400 shares $24,444.00 No ChangeN/A0.6 $61.11 10/29/2021100 shares $6,225.00 No ChangeN/A0 $62.25 10/15/2021100 shares $6,549.00 No ChangeN/A0.1 $65.49 9/30/2021100 shares $6,736.50 -75.0%N/A0 $67.37 9/15/2021400 shares $31,210.00 -42.9%N/A0.1 $78.03 8/31/2021700 shares $46,896.50 -46.2%N/A0.4 $67.00 8/13/20211,300 shares $83,843.50 +85.7%N/A0.8 $64.50 7/30/2021700 shares $38,598.00 +75.0%N/A0.2 $55.14 7/15/2021400 shares $22,968.00 -98.5%N/A0.1 $57.42 6/30/202126,600 shares $1.57 million +6,550.0%N/A1.9 $59.00 6/15/2021400 shares $25,255.20 -55.6%N/A0.3 $63.14 5/28/2021900 shares $60,291.00 -47.1%N/A0.5 $66.99 5/14/20211,700 shares $118,728.00 +142.9%N/A1.1 $69.84 4/30/2021700 shares $51,940.00 +16.7%N/A0.5 $74.20 4/15/2021600 shares $46,170.00 -40.0%N/A0.3 $76.95 3/31/20211,000 shares $73,550.00 -16.7%N/A0.5 $73.55 3/15/20211,200 shares $87,024.00 +71.4%N/A0.4 $72.52 2/26/2021700 shares $55,814.50 -12.5%N/A0.3 $79.74 2/12/2021800 shares $51,486.48 -11.1%N/A0.8 $64.36 1/29/2021900 shares $55,014.75 +12.5%N/A0.1 $61.13 1/15/2021200 shares $13,101.00 No ChangeN/A0.1 $65.51 12/31/2020200 shares $11,498.60 -77.8%N/A0.1 $57.49The Secret to Finding Breakout Stocks (Free eBook Inside!) 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With a single alert, you’d know exactly when to move— Here’s the good news: our team specializes in uncovering hidden gems before the market catches on.👉 Download Your Free Guide Now 12/15/2020200 shares $11,896.00 -77.8%N/A0.1 $59.48 11/30/2020900 shares $64,548.00 +350.0%N/A1 $71.72 11/15/2020200 shares $13,726.00 No ChangeN/A0.1 $68.63 10/30/2020200 shares $11,466.00 +100.0%N/A0.1 $57.33 10/15/2020100 shares $6,285.00 No ChangeN/A0.1 $62.85 9/30/2020100 shares $6,353.00 -83.3%N/A0.1 $63.53 9/15/2020600 shares $41,970.00 -14.3%N/A0.5 $69.95 8/31/2020700 shares $50,617.00 -30.0%N/A0.2 $72.31 8/14/20201,000 shares $73,490.00 -89.6%N/A0.2 $73.49 7/31/20209,600 shares $738,048.00 +9,500.0%N/A0.6 $76.88 7/15/2020100 shares $5,645.74 No ChangeN/A0.1 $56.46 6/15/2020100 shares $5,554.00 No ChangeN/A0.1 $55.54 5/29/2020100 shares $5,654.00 -98.0%N/A0.1 $56.54 CBUMY Short Interest - Frequently Asked Questions What is China National Building Material's current short interest? Short interest is the volume of China National Building Material shares that have been sold short but have not yet been covered or closed out. As of April 30th, traders have sold 900 shares of CBUMY short. Learn More on China National Building Material's current short interest. What is a good short interest ratio for China National Building Material? 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. CBUMY shares currently have a short interest ratio of 4.0. Learn More on China National Building Material's short interest ratio. Is China National Building Material's short interest increasing or decreasing? China National Building Material saw a decrease in short interest in April. As of April 30th, there was short interest totaling 900 shares, a decrease of 25.0% from the previous total of 1,200 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: 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 China National Building Material stock? Short selling CBUMY is an investing strategy that aims to generate trading profit from China National Building Material as its price is falling. CBUMY shares are trading down $0.22 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 China National Building Material? A short squeeze for China National Building Material 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 CBUMY, which in turn drives the price of the stock up even further. How often is China National Building Material'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 CBUMY, twice per month. The most recent reporting period available is April, 30 2025. 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