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China National Building Material (CBUMY) Short Interest Ratio & Short Volume

China National Building Material logo
$28.69 +3.31 (+13.04%)
As of 04/25/2025 02:43 PM Eastern

China National Building Material Short Interest Data

China National Building Material (CBUMY) has a short interest of 1,200 shares. This marks a 1,100.00% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.4, indicating that it would take 2.4 days of the average trading volume of 1,451 shares to cover all short positions.

Current Short Interest
1,200 shares
Previous Short Interest
100 shares
Change Vs. Previous Month
+1,100.00%
Dollar Volume Sold Short
$31,164.00
Short Interest Ratio
2.4 Days to Cover
Last Record Date
April 15, 2025
Today's Trading Volume
235 shares
Average Trading Volume
1,451 shares
Today's Volume Vs. Average
16%
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CBUMY Short Interest Over Time

CBUMY Days to Cover Over Time

CBUMY Percentage of Float Shorted Over Time

China National Building Material Short Interest History

Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
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
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 $27.08
7/15/20231,000 shares $28,600.00 +66.7%N/A1.4 $28.60
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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 $57.49
12/15/2020200 shares $11,896.00 -77.8%N/A0.1 $59.48
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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
5/15/20205,100 shares $312,362.25 +218.8%N/A1.7 $61.25
4/30/20201,600 shares $99,520.00 +220.0%N/A0.4 $62.20

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 15th, traders have sold 1,200 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 2.0. 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 increase in short interest in the month of April. As of April 15th, there was short interest totaling 1,200 shares, an increase of 1,100.0% from the previous total of 100 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 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 up $3.31 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, 15 2025.




This page (OTCMKTS:CBUMY) was last updated on 4/26/2025 by MarketBeat.com Staff
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