Sumco (SUMCF) Short Interest Ratio & Short Volume $7.57 +0.02 (+0.26%) As of 06/12/2025 03:21 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartShort InterestBuy This Stock Sumco Short Interest DataSumco (SUMCF) has a short interest of 12.29 million shares. This marks a 0.59% increase in short interest from the previous month. The short interest ratio (days to cover) is 1,755.6, indicating that it would take 1,755.6 days of the average trading volume of 4,692 shares to cover all short positions.Current Short Interest12,289,100 sharesPrevious Short Interest12,216,700 sharesChange Vs. Previous Month+0.59%Dollar Volume Sold Short$80.74 millionShort Interest Ratio1,755.6 Days to CoverLast Record DateMay 31, 2025Today's Trading Volume2,580 sharesAverage Trading Volume4,692 sharesToday's Volume Vs. Average55% Short Selling Sumco? Sign up to receive the latest short interest report for Sumco and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartSUMCF Short Interest Over TimeSUMCF Days to Cover Over TimeSUMCF Percentage of Float Shorted Over Time Sumco Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/31/202512,289,100 shares $80.74 million +0.6%N/A1755.6 $6.57 5/15/202512,216,700 shares $88.20 million +5.0%N/A1163.5 $7.22 4/30/202511,631,000 shares $80.25 million -5.2%N/A1789.4 $6.90 4/15/202512,265,000 shares $74.94 million -11.7%N/A817.7 $6.11 3/31/202513,892,000 shares $93.77 million -0.6%N/A1984.6 $6.75 3/15/202513,975,000 shares $114.25 million +3.5%N/A1502.7 $8.18 2/28/202513,508,000 shares $106.20 million +4.6%N/A1517.8 $7.86 2/15/202512,910,800 shares $100.47 million +8.3%N/A5613.4 $7.78 1/31/202511,917,500 shares $91.05 million +5.0%N/A916.7 $7.64 1/15/202511,349,900 shares $80.58 million -7.7%N/A1207.4 $7.10 Get the Latest News and Ratings for SUMCF and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Sumco and its competitors with MarketBeat's FREE daily newsletter. 12/31/202412,293,700 shares $95.01 million +13.0%N/A228.1 $7.73 12/15/202410,884,500 shares $83.70 million -10.7%N/A899.5 $7.69 11/30/202412,193,000 shares $94.86 million -5.8%N/A669.9 $7.78 11/15/202412,945,700 shares $108.87 million +6.5%N/A2876.8 $8.41 10/31/202412,156,600 shares $113.79 million +15.5%N/A1960.7 $9.36 10/15/202410,522,300 shares $108.06 million +21.4%N/A2238.8 $10.27 9/30/20248,665,400 shares $91.51 million +18.6%N/A2221.9 $10.56 9/15/20247,305,200 shares $77.73 million +68.7%N/A155.4 $10.64 8/31/20244,329,200 shares $51.26 million -1.7%N/A373.2 $11.84 8/15/20244,403,900 shares $52.49 million +1.3%N/A1572.8 $11.92 7/31/20244,348,700 shares $72.45 million -2.4%N/A324.5 $16.66 7/15/20244,454,000 shares $74.20 million -3.5%N/A1484.7 $16.66 6/30/20244,615,500 shares $67.57 million +13.7%N/A941.9 $14.64 6/15/20244,059,200 shares $63.06 million +0.1%N/A1230.1 $15.54 5/31/20244,055,400 shares $60.82 million -8.7%N/A3119.5 $15.00 5/15/20244,441,500 shares $72.62 million -3.7%N/A3701.3 $16.35 4/30/20244,610,700 shares $70.64 million -1.0%N/A2881.7 $15.32 4/15/20244,658,000 shares $78.82 million -3.2%N/A80.4 $16.92 3/31/20244,809,900 shares $74.61 million -5.4%N/A48099 $15.51 3/15/20245,085,900 shares $78.89 million +3.0%N/A50859 $15.51 2/29/20244,938,200 shares $79.64 million -4.9%N/A49382 $16.13 2/15/20245,194,800 shares $75.48 million +20.8%N/A8658 $14.53 1/15/20244,629,200 shares $68.74 million -0.8%N/A3306.6 $14.85 12/31/20234,667,000 shares $69.58 million -5.6%N/A46670.2 $14.91 12/15/20234,945,800 shares $69.95 million +29.1%N/A0 $14.14 11/30/20233,831,100 shares $54.19 million +10.4%N/A38311 $14.14 11/15/20233,469,900 shares $44.59 million -7.2%N/A34699 $12.85 10/31/20233,739,600 shares $47.46 million -17.1%N/A18698 $12.69 10/15/20234,509,800 shares $57.36 million +20.5%N/A4509.8 $12.72 9/30/20233,741,800 shares $49.72 million +28.9%N/A9354.5 $13.29The Robotics Revolution has arrived … and one $7 stock could take off as a result. 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Click here to find out more. 9/15/20232,903,500 shares $38.58 million +9.8%N/A5807 $13.29 8/31/20232,644,400 shares $34.97 million +13.6%N/A13026.7 $13.22 8/15/20232,328,700 shares $31.12 million +53.9%N/A4657.4 $13.36 7/31/20231,512,700 shares $21.59 million -10.2%N/A15127 $14.27 7/15/20231,685,200 shares $24.77 million +36.6%N/A300.9 $14.70 6/30/20231,233,900 shares $17.08 million -42.2%N/A12339 $13.85 6/15/20232,136,400 shares $29.59 million +18.4%N/A21364 $13.85 5/31/20231,804,500 shares $24.99 million +21.9%N/A0 $13.85 5/15/20231,480,900 shares $20.50 million -18.3%N/A14809 $13.85 4/30/20231,812,100 shares $25.09 million +10.7%N/A18121 $13.85 4/15/20231,637,200 shares $24.36 million -2.6%N/A0 $14.88 3/31/20231,680,900 shares $25.01 million -16.5%N/A16809 $14.88 3/15/20232,014,100 shares $27.81 million -22.2%N/A1118.9 $13.81 2/28/20232,589,100 shares $35.76 million +42.6%N/A25891 $13.81 2/15/20231,815,600 shares $25.85 million -21.6%N/A0 $14.24 1/31/20232,315,600 shares $32.97 million +51.5%N/A0 $14.24 1/15/20231,528,100 shares $21.76 million -10.7%N/A15281 $14.24 12/30/20221,712,000 shares $25.17 million +21.2%N/A17120 $14.70 12/15/20221,412,300 shares $20.76 million -7.4%N/A7061.5 $14.70 11/30/20221,525,300 shares $20.93 million +20.6%N/A0 $13.72 11/15/20221,264,400 shares $0.00 -2.8%N/A12644 $0.00 SUMCF Short Interest - Frequently Asked Questions What is Sumco's current short interest? Short interest is the volume of Sumco shares that have been sold short but have not yet been closed out or covered. As of May 31st, investors have sold 12,289,100 shares of SUMCF short. Learn More on Sumco's current short interest. What is a good short interest ratio for Sumco? 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. SUMCF shares currently have a short interest ratio of 1,756.0. Learn More on Sumco's short interest ratio. Is Sumco's short interest increasing or decreasing? Sumco saw a increase in short interest in May. As of May 31st, there was short interest totaling 12,289,100 shares, an increase of 0.6% from the previous total of 12,216,700 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: SPDR S&P 500 ETF Trust ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 billion). View all of the most shorted stocks. What does it mean to sell short Sumco stock? Short selling SUMCF is an investing strategy that aims to generate trading profit from Sumco as its price is falling. SUMCF shares are trading up $0.02 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 Sumco? A short squeeze for Sumco 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 SUMCF, which in turn drives the price of the stock up even further. How often is Sumco'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 SUMCF, twice per month. The most recent reporting period available is May, 31 2025. More Short Interest Resources from MarketBeat Related Companies AIXXF Short Interest Data ASMVY Short Interest Data ASMVF Short Interest Data LSRCY Short Interest Data LSRCF Short Interest Data NNOCF Short Interest Data RNWEF Short Interest Data SLOIY Short Interest Data SODI Short Interest Data SPVNF Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (OTCMKTS:SUMCF) was last updated on 6/13/2025 by MarketBeat.com Staff From Our PartnersYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? Sounds insane, but that's exactly what ...Priority Gold | SponsoredUtah’s New Oil FindThe Real Reason 218,000 Acres Just Vanished The government just quietly leased 218,000 acres in the middle ...Stansberry Research | SponsoredThe End of Elon Musk…?The End of Elon Musk? Don't make him laugh. 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