Idemitsu Kosan Co.,Ltd. (IDKOY) Short Interest Ratio & Short Volume $13.80 -0.44 (-3.09%) As of 09:30 AM Eastern Add Compare Share Share Short Interest Stock AnalysisChartSEC FilingsShort InterestBuy This Stock Idemitsu Kosan Co.,Ltd. Short Interest DataIdemitsu Kosan Co.,Ltd. (IDKOY) has a short interest of 30,000 shares. This marks a 0.00% change in short interest from the previous month. The short interest ratio (days to cover) is 33.3, indicating that it would take 33.3 days of the average trading volume of 2,533 shares to cover all short positions.Current Short Interest30,000 sharesPrevious Short Interest30,000 sharesChange Vs. Previous MonthNo ChangeDollar Volume Sold Short$418.50 thousandShort Interest Ratio33.3 Days to CoverLast Record DateSeptember 15, 2025Today's Trading Volume3,557 sharesAverage Trading Volume2,533 sharesToday's Volume Vs. Average140% Short Selling Idemitsu Kosan Co.,Ltd.? 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartIDKOY Short Interest Over TimeIDKOY Days to Cover Over TimeIDKOY Percentage of Float Shorted Over Time Idemitsu Kosan Co.,Ltd. Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/15/202530,000 shares $418.50 thousand No ChangeN/A33.3 $13.95 8/31/202530,000 shares $370.80 thousand +29,900.0%N/A300 $12.36 8/15/2025100 shares $1.40 thousand -50.0%N/A0.3 $13.97 7/31/2025200 shares $2.63 thousand -98.3%N/A0.2 $13.14 7/15/202511,600 shares $145.93 thousand +231.4%N/A1.9 $12.58 6/30/20253,500 shares $42.84 thousand +1,066.7%N/A2.1 $12.24 6/15/2025300 shares $3.59 thousand -99.4%N/A0 $11.96 5/31/202547,700 shares $576.22 thousand +3,080.0%N/A4.1 $12.08 5/15/20251,500 shares $18.60 thousand +114.3%N/A3 $12.40 4/30/2025700 shares $8.63 thousand No ChangeN/A1.8 $12.33 Get the Latest News and Ratings for IDKOY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Idemitsu Kosan Co.,Ltd. and its competitors with MarketBeat's FREE daily newsletter. 4/15/2025700 shares $8.28 thousand +133.3%N/A1 $11.83 3/31/2025300 shares $4.40 thousand No ChangeN/A1.5 $14.65 3/15/2025300 shares $4.46 thousand -57.1%N/A1.5 $14.86 2/28/2025700 shares $9.45 thousand No ChangeN/A0.5 $13.50 2/15/2025700 shares $10.08 thousand No ChangeN/A0.5 $14.40 1/31/2025700 shares $9.26 thousand -30.0%N/A3.5 $13.23 1/15/20251,000 shares $12.82 thousand +25.0%N/A1.7 $12.82 12/31/2024800 shares $11.16 thousand No ChangeN/A1.3 $13.95 12/15/2024800 shares $10.74 thousand +14.3%N/A0.6 $13.42 11/30/2024700 shares $9.12 thousand +40.0%N/A0.4 $13.03 11/15/2024500 shares $6.75 thousand +25.0%N/A0.6 $13.49 10/31/2024400 shares $5.44 thousand +100.0%N/A0.6 $13.60 10/15/2024200 shares $2.87 thousand +100.0%N/A0.1 $14.35 9/30/2024100 shares $1.39 thousand No ChangeN/A0.1 $13.90 9/15/2024100 shares $1.45 thousand No ChangeN/A0.3 $14.54 8/31/2024100 shares $1.45 thousand -90.0%N/A0.1 $14.50 8/15/20241,000 shares $14.35 thousand -23.1%N/A0.4 $14.35 7/31/20241,300 shares $16.47 thousand +8.3%N/A4.3 $12.67 7/15/20241,200 shares $15.42 thousand No ChangeN/A2.4 $12.85 6/30/20241,200 shares $15.36 thousand No ChangeN/A2.4 $12.80 6/15/20241,200 shares $16.56 thousand +33.3%N/A3.9 $13.80 5/31/2024900 shares $11.70 thousand -10.0%N/A1.5 $13.00 5/15/20241,000 shares $13.25 thousand +66.7%N/A0.4 $13.25 4/30/2024600 shares $8.14 thousand +200.0%N/A0.5 $13.57 4/15/2024200 shares $2.88 thousand -87.5%N/A0.2 $14.40 3/31/20241,600 shares $21.73 thousand +166.7%N/A2 $13.58 3/15/2024600 shares $8.23 thousand +500.0%N/A0.3 $13.72 2/29/2024100 shares $1.27 thousand -83.3%N/A0 $12.72 2/15/2024600 shares $6.86 thousand +200.0%N/A0.3 $11.44 1/15/20242,200 shares $25.37 thousand +37.5%N/A0.2 $11.53 12/31/20231,600 shares $883.20 +23.1%N/A1.5 $0.55 12/15/20231,300 shares $17.71 thousand -75.5%N/A0.3 $13.62 11/30/20235,300 shares $74.15 thousand +152.4%N/A1.1 $13.99 11/15/20232,100 shares $28.21 thousand -75.9%N/A0.4 $13.44 10/31/20238,700 shares $99.18 thousand +234.6%N/A0.8 $11.40 10/15/20232,600 shares $28.99 thousand No ChangeN/A0.7 $11.15 9/15/2023100 shares $1.01 thousand No ChangeN/A1 $10.12 8/31/2023100 shares $1.01 thousand No ChangeN/A18.8 $10.12 8/15/2023100 shares $1.01 thousand No ChangeN/A1 $10.12 7/31/2023100 shares $1.01 thousand No ChangeN/A1 $10.12 7/15/2023100 shares $1.01 thousand No ChangeN/A0 $10.12 6/30/2023100 shares $1.01 thousand No ChangeN/A1 $10.12 6/15/2023100 shares $1.01 thousand -66.7%N/A1 $10.12 5/31/2023300 shares $3 thousand +50.0%N/A3 $10.00 5/15/2023200 shares $2.14 thousand No ChangeN/A2 $10.68 4/30/2023200 shares $2.07 thousand No ChangeN/A0.1 $10.34 2/15/2023100 shares $1.18 thousand No ChangeN/A1 $11.85 1/31/2023100 shares $1.21 thousand No ChangeN/A1 $12.05 1/15/2023100 shares $1.11 thousand No ChangeN/A1 $11.07 12/30/2022100 shares $1.11 thousand No ChangeN/A1 $11.07 12/15/2022100 shares $1.12 thousand No ChangeN/A1 $11.19 11/30/2022100 shares $1.09 thousand No ChangeN/A0 $10.91 11/15/2022100 shares $1.09 thousand -50.0%N/A1 $10.91 10/31/2022200 shares $2.18 thousand No ChangeN/A2 $10.91 10/15/2022200 shares $2.31 thousand No ChangeN/A2 $11.54 9/30/2022200 shares $2.31 thousand No ChangeN/A2 $11.54 9/15/2022200 shares $2.40 thousand No ChangeN/A0.2 $12.02 8/31/2022200 shares $2.44 thousand No ChangeN/A2 $12.20 8/15/2022200 shares $2.44 thousand No ChangeN/A2 $12.20 7/31/2022200 shares $2.30 thousand No ChangeN/A0.3 $11.48 7/15/2022200 shares $2.22 thousand -83.3%N/A2 $11.09 6/30/20221,200 shares $15.41 thousand +9.1%N/A12 $12.84 6/15/20221,100 shares $14.92 thousand +22.2%N/A0.6 $13.56 5/31/2022900 shares $11.88 thousand No ChangeN/A9 $13.20 5/15/2022900 shares $12.07 thousand No ChangeN/A9 $13.41 4/30/2022900 shares $12.07 thousand No ChangeN/A0 $13.41 4/15/2022900 shares $12.07 thousand -52.6%N/A4.5 $13.41 3/31/20221,900 shares $26.54 thousand +850.0%N/A2.7 $13.97 3/15/2022200 shares $2.96 thousand -33.3%N/A0.2 $14.82 2/28/2022300 shares $3.95 thousand No ChangeN/A0.8 $13.15 2/15/2022300 shares $3.81 thousand No ChangeN/A3 $12.71 1/31/2022300 shares $3.81 thousand No ChangeN/A0.1 $12.71 1/15/2022300 shares $3.94 thousand -40.0%N/A1.5 $13.14 12/31/2021500 shares $6.60 thousand +25.0%N/A5 $13.20 12/15/2021400 shares $5.23 thousand +100.0%N/A0.1 $13.07 11/30/2021200 shares $2.64 thousand -87.5%N/A1 $13.20 11/15/20211,600 shares $21.66 thousand +300.0%N/A2.7 $13.54 10/29/2021400 shares $5.40 thousand +33.3%N/A4 $13.50 10/15/2021300 shares $4.05 thousand No ChangeN/A3 $13.50 9/30/2021300 shares $4.05 thousand -91.4%N/A3 $13.50 9/15/20213,500 shares $44.42 thousand +191.7%N/A2.9 $12.69 8/31/20211,200 shares $14.28 thousand +9.1%N/A12 $11.90 8/13/20211,100 shares $13.57 thousand +22.2%N/A1.8 $12.34 7/30/2021900 shares $11.07 thousand No ChangeN/A0 $12.30 7/15/2021900 shares $11.07 thousand No ChangeN/A9 $12.30 6/30/2021900 shares $11.00 thousand +28.6%N/A9 $12.22 6/15/2021700 shares $8.55 thousand -12.5%N/A0 $12.22 5/28/2021800 shares $9.78 thousand No ChangeN/A8 $12.22 5/14/2021800 shares $9.78 thousand No ChangeN/A8 $12.22 4/30/2021800 shares $9.78 thousand +60.0%N/A8 $12.22 4/15/2021500 shares $6.35 thousand +66.7%N/A5 $12.69 3/31/2021300 shares $4.03 thousand -88.5%N/A3 $13.44 3/15/20212,600 shares $34.24 thousand No ChangeN/A26 $13.17 2/26/20212,600 shares $33.28 thousand +136.4%N/A2.9 $12.80 2/12/20211,100 shares $13.79 thousand +22.2%N/A2.8 $12.54 1/29/2021900 shares $10.67 thousand +12.5%N/A9 $11.85 1/15/2021300 shares $0.00 +50.0%N/A3 $0.00 12/31/2020800 shares $0.00 +166.7%N/A1.6 $0.00 IDKOY Short Interest - Frequently Asked Questions What is Idemitsu Kosan Co.,Ltd.'s current short interest? Short interest is the volume of Idemitsu Kosan Co.,Ltd. shares that have been sold short but have not yet been closed out or covered. As of September 15th, traders have sold 30,000 shares of IDKOY short. Learn More on Idemitsu Kosan Co.,Ltd.'s current short interest. What is a good short interest ratio for Idemitsu Kosan Co.,Ltd.? 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. IDKOY shares currently have a short interest ratio of 33.0. Learn More on Idemitsu Kosan Co.,Ltd.'s short interest ratio. How does Idemitsu Kosan Co.,Ltd.'s short interest compare to its competitors? Here is how the short interest of companies in the sector of "energy" compare to Idemitsu Kosan Co.,Ltd.: Neste OYJ - Unsponsored ADR (0.00%), Ferrellgas Partners, L.P. (0.00%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Corporation ($8.81 billion), Canadian Natural Resources Limited ($5.82 billion), Reddit Inc. ($5.19 billion), Coinbase Global, Inc. ($4.52 billion), Robinhood Markets, Inc. ($4.30 billion), Charter Communications, Inc. ($3.75 billion), CoreWeave Inc. ($3.66 billion), Seagate Technology Holdings PLC ($3.57 billion), Live Nation Entertainment, Inc. ($3.33 billion), and Rocket Lab Corporation ($3.26 billion). View all of the most shorted stocks. What does it mean to sell short Idemitsu Kosan Co.,Ltd. stock? Short selling IDKOY is an investing strategy that aims to generate trading profit from Idemitsu Kosan Co.,Ltd. as its price is falling. IDKOY shares are trading down $0.44 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 Idemitsu Kosan Co.,Ltd.? A short squeeze for Idemitsu Kosan Co.,Ltd. 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 IDKOY, which in turn drives the price of the stock up even further. How often is Idemitsu Kosan Co.,Ltd.'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 IDKOY, twice per month. The most recent reporting period available is September, 15 2025. More Short Interest Resources from MarketBeat Related Companies CTXAF Short Squeeze DCCPY Short Squeeze JXHLY Short Squeeze MGYOY Short Squeeze MOHCY Short Squeeze NTOIF Short Squeeze PKIUF Short Squeeze RUBSF Short Squeeze SPTJF Short Squeeze TOIPY 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:IDKOY) was last updated on 10/6/2025 by MarketBeat.com Staff From Our PartnersWall Street legend: “Sell this A.I. stock now”Whats next after AI? Hidden AI. "Hidden AI" could soon be the biggest investment trend of 2025.Chaikin Analytics | SponsoredThe next wave of AI fortunes may come from NVIDIA’s secret supplier.Bloomberg says AI is a $50 trillion revolution. And at the center of it… isn't NVIDIA. 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