IDKOF (Idemitsu Kosan Co) Buyback Yield %: 0.16 (As of Jun. 30, 2026) — 90% Below Median


IDKOF Idemitsu Kosan Co Ltd IDKOF
67 GF Score
Price $7.50
GF Value $6.73
Valuation Modestly Overvalued
! 4 Warning Signs
View Full Analysis

What is Idemitsu Kosan Co Buyback Yield %?

Idemitsu Kosan Co IDKOF -1.01% 67 Buyback Yield % is 0.16 as of Jun. 30, 2026, which is 90% below its 10-year median of 1.65. GuruFocus rates IDKOF with a GF Score™ of 67/100 and a GF Value™ of $6.73 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 420 Oil & Gas companies, Idemitsu Kosan Co ranks better than 58.33% on this metric.

Buyback yield is the net repurchase of shares outstanding over the market capital of the company. It is a measure of shareholder return.

Idemitsu Kosan Co's current buyback yield was 0.16%.


Idemitsu Kosan Co Buyback Yield % Historical Data

* Premium members only.

The historical data trend for Idemitsu Kosan Co's Buyback Yield % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Idemitsu Kosan Co Buyback Yield % Chart

Idemitsu Kosan Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Buyback Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -0.01 1.46 4.09 12.31 0.12

Idemitsu Kosan Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Buyback Yield % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 12.81 0.00 0.00 0.00 0.12

IDKOF vs VLO, MPC, PSX: Buyback Yield % Comparison

For the Oil & Gas Refining & Marketing subindustry, Idemitsu Kosan Co's Buyback Yield %, along with its competitors' market caps and Buyback Yield % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Idemitsu Kosan Co Buyback Yield % vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Idemitsu Kosan Co's Buyback Yield % distribution charts can be found below:

* The bar in red indicates where Idemitsu Kosan Co's Buyback Yield % falls into.


IDKOF
67GF Score
Idemitsu Kosan Co Ltd IDKOF
Buyback Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Idemitsu Kosan Co Buyback Yield % Calculation

Buyback yield is a measure of shareholder return.

Idemitsu Kosan Co's Buyback Yield for the fiscal year that ended in Mar. 2026 is calculated as

Buyback Yield=Net Issuance of Stock / Market Cap
=- (Repurchase of Stock + Issuance of Stock) / Market Cap
=- (-14.551 + 0) / 11756.3248
=0.12%

Idemitsu Kosan Co's annualized Buyback Yield for the quarter that ended in Mar. 2026 is calculated as

Buyback Yield=Net Issuance of Stock(TTM) / Market Cap
=- (Repurchase of Stock + Issuance of Stock) (TTM)** / Market Cap
=- (-14.551 + 0) / 11756.3248
=0.12%

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

** If the quarter corresponds to the year-end period, we will use the annual Repurchase of Stock and Issuance of Stock data .

Frequently Asked Questions Learn more about Buyback Yield % →
What does a Buyback Yield % of 0.16 mean?
Idemitsu Kosan Co (IDKOF) has a Buyback Yield % of 0.16 as of Jun. 30, 2026. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Idemitsu Kosan Co and its competitors. This is 90% below median its historical median of 1.65. According to the industry distribution chart, Idemitsu Kosan Co ranks #175 out of 420 companies in the Oil & Gas industry, placing it in the top 41.7%.
Is Idemitsu Kosan Co's Buyback Yield % too high?
Idemitsu Kosan Co's current Buyback Yield % of 0.16 is 90% below median its 10-year median of 1.65. The Oil & Gas industry median Buyback Yield % is 0.01. Idemitsu Kosan Co's value of 0.16 is 1500% above this industry median. Based on the distribution chart, Idemitsu Kosan Co ranks #175 out of 420 companies in the Oil & Gas industry, which is above the industry midpoint. Overall, Idemitsu Kosan Co has a GF Score™ of 67/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Idemitsu Kosan Co's Buyback Yield % compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, Idemitsu Kosan Co ranks #175 out of 420 companies for Buyback Yield %. This puts Idemitsu Kosan Co in the upper half of its industry. The industry median Buyback Yield % is 0.01. Idemitsu Kosan Co's value of 0.16 is 1500% above this benchmark. While the company's 10-year median is 1.65 vs. the industry median of 0.01, Idemitsu Kosan Co has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Buyback Yield % for an Oil & Gas company?
The median Buyback Yield % among Oil & Gas companies is 0.01, based on 420 companies in the industry. Companies in the top quartile (top 25%) have a Buyback Yield % significantly above this median, while those in the bottom quartile fall well below. However, Buyback Yield % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Idemitsu Kosan Co's current Buyback Yield % of 0.16 is 1500% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Buyback Yield % mean?
A high Buyback Yield % can signal that a stock is expensive relative to its fundamentals. Share buyback yield equals the net issuance of stock divided by market cap. View historical data on Idemitsu Kosan Co and its competitors. For the Oil & Gas industry, the median Buyback Yield % is 0.01 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Idemitsu Kosan Co's current Buyback Yield % is 0.16, which is 90% below median its own 10-year median of 1.65. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Idemitsu Kosan Co stock overvalued right now?
Based on GuruFocus' analysis, Idemitsu Kosan Co (IDKOF) is currently considered Modestly Overvalued. The stock's GF Value™ is $6.73, compared to a current price of $7.50 — trading 11.4% above its estimated fair value. The current Buyback Yield % is 0.16, which is 90% below median its 10-year median of 1.65 and 1500% above the Oil & Gas industry median of 0.01. Idemitsu Kosan Co's overall GF Score™ is 67/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Buyback Yield % calculated?
Buyback Yield % is calculated from a company's financial statements. For Idemitsu Kosan Co (IDKOF), the current Buyback Yield % is 0.16 as of Jun. 30, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Idemitsu Kosan Co (IDKOF) Overvalued in 2026?

Based on GuruFocus' analysis, Idemitsu Kosan Co stock appears to be overvalued. The current stock price of $7.50 is trading 11.4% above its estimated GF Value™ of $6.73. GuruFocus considers Idemitsu Kosan Co to be Modestly Overvalued.

Key valuation signals for IDKOF:

  • Buyback Yield %: 0.16 (90% below median its 10-year median of 1.65)
  • GF Value™: $6.73 vs. price of $7.50 (11.4% above fair value)
  • GF Score™: 67/100 with 4 warning signs
  • Industry Position: 1500% above the Oil & Gas median (#175 of 420)

No single metric tells the full story. See the IDKOF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Idemitsu Kosan Co Business Description

Industry EnergyOil & Gas
Address 1-2-1 Otemachi, Chiyoda-ku, Tokyo, JPN, 100-8321
Idemitsu Kosan Co Ltd engages in a variety of activities globally that include petroleum products, oil exploration and production, coal, and other businesses. The company operates through five segments. The Basic Chemicals segment makes and sells olefins and aroma products. Electricity/Renewable Energy covers thermal, solar, and wind power generation, electricity sales, and solar business. Fuel Oil handles production, trading, and import/export of refined petroleum. The Highly Functional Materials segment includes lubricants, chemicals, electronic materials, paving materials, and agri-bio. The Resource segment explores, develops, and sells crude oil, natural gas, and coal. Others cover insurance and intra-group services. It generates the majority of its revenue from the Fuel oil segment.
67GF Score

Get the complete analysis for IDKOF

Buyback Yield % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$7.50
Price
$6.73
GF Value