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Idemitsu Kosan Co.,Ltd. (IDKOY) Short Interest Ratio & Short Volume

Idemitsu Kosan Co.,Ltd. logo
$20.66 -0.50 (-2.34%)
As of 09/23/2026 12:50 PM Eastern
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Idemitsu Kosan Co.,Ltd. Short Interest Overview

As of August 31, 2026, Idemitsu Kosan Co.,Ltd. (IDKOY) had a short interest of 7,227 shares sold short, representing 0.00% of the public float. This marks a -9.05% decrease in short interest since the prior report. The short interest ratio (days to cover) is 8.9, meaning it would take 8.9 days of the average trading volume of 2,432 shares to cover all short positions.

Current Short Interest
7,227 shares
Previous Short Interest
7,946 shares
Change Vs. Previous Month
-9.05%
Dollar Volume Sold Short
$131.33 thousand
Short Interest Ratio
8.9 Days to Cover
Last Record Date
August 31, 2026
Outstanding Shares
611,610,000 shares
Short Percent of Float
0.00%
Today's Trading Volume
1,786 shares
Average Trading Volume
2,432 shares
Today's Volume Vs. Average
73%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

IDKOY Short Interest Over Time

IDKOY Days to Cover Over Time

IDKOY Percentage of Float Shorted Over Time

Idemitsu Kosan Co.,Ltd. Tesla Short Interest History & Recent Changes

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
8/31/20267,227 shares $131.33 thousand -9.1%0.0%8.86 $18.17
8/14/20267,946 shares $138.18 thousand +820.7%0.0%2.09 $17.39
7/31/2026863 shares $14.11 thousand +13.7%0.0%0.14 $16.35
7/15/2026759 shares $12.49 thousand +163.5%0.0%0.11 $16.45
6/30/2026288 shares $4.32 thousand -48.9%0.0%0.09 $15.00
6/15/2026563 shares $9.27 thousand -16.3%0.0%0.1 $16.47
5/29/2026673 shares $11.91 thousand +90.1%0.0%0.22 $17.69
5/15/2026354 shares $6.25 thousand -21.2%0.0%0.29 $17.65
4/30/2026449 shares $7.68 thousand -83.5%0.0%0.06 $17.12
4/15/20262,721 shares $56.32 thousand +23.2%0.0%3.54 $20.70
3/31/20262,208 shares $43.14 thousand +555.2%0.0%0.88 $19.54
3/13/2026337 shares $6.05 thousand +32.2%0.0%0.02 $17.95
2/27/2026255 shares $4.85 thousand -88.5%0.0%0.09 $19.00
2/13/20262,219 shares $41.66 thousand +972.0%0.0%0.28 $18.78
1/30/2026207 shares $3.38 thousand +19.7%0.0%0.66 $16.34
1/15/2026173 shares $2.75 thousand +100.0%0.0%0.21 $15.91
12/15/20252,217 shares $33.85 thousand +1,251.8%N/A0.47 $15.27
11/28/2025164 shares $2.50 thousand +26.2%N/A0.29 $15.27
11/14/2025130 shares $1.86 thousand -99.6%N/A0.16 $14.32
10/31/202531,909 shares $438.75 thousand +0.3%N/A15.66 $13.75
10/15/202531,800 shares $409.19 thousand +6.0%N/A15.9 $12.87
9/30/202530,000 shares $420 thousand No ChangeN/A9.1 $14.00
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
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
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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
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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

IDKOY Short Interest - Frequently Asked Questions

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 August 31st, investors have sold 7,227 shares of IDKOY short. 0.00% of Idemitsu Kosan Co.,Ltd.'s shares are currently sold short. Learn More on Idemitsu Kosan Co.,Ltd.'s current short interest.

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 8.9. Learn More on Idemitsu Kosan Co.,Ltd.'s short interest ratio.

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 0.00% of Idemitsu Kosan Co.,Ltd.'s floating shares are currently sold short.

Idemitsu Kosan Co.,Ltd. saw a decline in short interest in August. As of August 31st, there was short interest totaling 7,227 shares, a decline of 9.0% from the previous total of 7,946 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.

0.00% of Idemitsu Kosan Co.,Ltd.'s shares are currently sold short. Here is how the short interest of companies in the industry of "oil & gas refining & marketing" compare to Idemitsu Kosan Co.,Ltd.: Neste OYJ - Unsponsored ADR (0.00%), HF Sinclair Corporation (5.72%), PBF Energy Inc. (10.23%), CVR Energy Inc. (18.24%), Calumet, Inc. (4.32%), Icahn Enterprises L.P. (25.88%), Delek US Holdings, Inc. (9.98%), Par Pacific Holdings, Inc. (9.68%), Cosan S.A. Sponsored ADR (0.36%), REX American Resources Corporation (3.13%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($62.68 billion), Invesco QQQ ($47.06 billion), iShares Russell 2000 ETF ($23.54 billion), SPDR S&P Biotech ETF ($12.10 billion), Nebius Group N.V. ($9.34 billion), Western Digital Corporation ($8.96 billion), Financial Select Sector SPDR Fund ($8.16 billion), iShares 20+ Year Treasury Bond ETF ($7.98 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($7.52 billion), and VanEck Semiconductor ETF ($7.39 billion). View all of the most shorted stocks.

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 $0.50 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.

A short squeeze for Idemitsu Kosan Co.,Ltd. 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 IDKOY, which in turn drives the price of the stock up even further.

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 August, 31 2026.

Understanding short interest metrics can help you assess how traders are positioning around a stock like IDKOY:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.


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Short Interest Tools

Short interest data for OTCMKTS:IDKOY is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 9/10/2026. FINRA publishes updated short interest twice a month.
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