Board
Screen
Heat
Cal
Watch
News
Blog
TV
Home
/
IDKOY
Home
/
IDKOY

OTC
$18.41
$18.41

Overview

Price performance
Low
$18.20
High
$18.41
Market open. Last updated: Nov 4, 2026, 5:45 PM UTC
$
18.41
-0.42 (-2.23%)
Average, 50 days
$19.80
$17.97
Open
$18.20
Previous close
$18.83
52-week high
$22.79
Sep 10, 2026 (2 months ago)
52-week low
$13.45
Nov 5, 2025 (13 months ago)
36.88%

Valuation & Estimates

Earnings

Financials

Insider Trading

Peer Analysis

Insights & Activity

Market Cap
11.25B
Volume
2 234
Total Return (3M)
16.01%
Total Return (1Y)
36.88%
0.05
Sector
Energy
Links
Tags
Energy
Oil & Gas Refining & Marketing
OTC
JP
Website
idemitsu.com
About
Idemitsu Kosan Co.,Ltd., a company founded in Tokyo, Japan, in 1911, operates globally as a diversified energy and materials enterprise. Its extensive operations are categorized into five core segments: The Petroleum division encompasses the entire crude oil lifecycle, from procurement and refining to the sale of various petroleum products, including gasoline, diesel, kerosene, automotive and industrial lubricants, heavy oil, and aviation and marine fuels. This segment also manages hydrogen refueling stations. Within the Basic Chemicals segment, Idemitsu focuses on the manufacturing and marketing of fundamental chemical compounds. This includes olefins like ethylene, propylene, and butadiene, as well as aromatics such as benzene, styrene monomer, mixed xylene, and paraxylene, alongside other chemical products. The Functional Materials division is dedicated to the research, development, production, and sale of a wide array of advanced materials. This portfolio features automotive, industrial, and marine lubricants and greases; engineering plastics, adhesives, derivative products, and solvents; electronic materials, notably OLEDs; asphalt; and agricultural and livestock-related items like microbial pesticides, soil amendments, and materials for animal husbandry. A key area of innovation for this segment is solid-state lithium-ion battery materials. Idemitsu's Power and Renewable Energy segment manages traditional thermal power plants while also actively developing and operating renewable energy sources such as solar, wind, and biomass facilities. It participates in the full spectrum of electricity services, from supply and wholesale to retail, and is involved in the research, development, and manufacturing of CIS thin-film solar modules, as well as selling complete solar power systems. Lastly, the Resources segment is responsible for the exploration, development, and production of oil and natural gas. It also includes the mining and sale of coal and uranium, the operation of geothermal power plants, and the distribution of their generated electricity and steam.

Frequently asked questions

IDKOY · Idemitsu Kosan Co.,Ltd.

01What is Idemitsu Kosan Co.,Ltd. stock price today?

The current price of IDKOY is $18.41 — it has decreased by 2.23% since the previous close. Data as of Nov 4, 2026.

02Is Idemitsu Kosan Co.,Ltd. stock price growing?

IDKOY is down 7.90% over the past week, down 0.32% over the past month and up 36.88% over the past year. The price is above its 200-day moving average of $17.97.

03What is Idemitsu Kosan Co.,Ltd. market cap?

Idemitsu Kosan Co.,Ltd. has a market capitalization of $11.25B. The company belongs to the Energy sector. Compare it with other companies in the stock screener.

04Does Idemitsu Kosan Co.,Ltd. pay dividends?

Yes. Idemitsu Kosan Co.,Ltd. pays dividends semi-annually. The latest payment of $0.228 per share has a payment date of Dec 7, 2026, which corresponds to a dividend yield of 1.80%.

05Who are Idemitsu Kosan Co.,Ltd. competitors?

Companies most comparable to Idemitsu Kosan Co.,Ltd. include Reliance Industries Limited, S-Oil Corporation, Türkiye Petrol Rafinerileri A.S., Marathon Petroleum Corporation and Valero Energy Corporation.

06How volatile is IDKOY stock?

In the latest trading session IDKOY moved between $18.20 and $18.41, a range of 1.14% of its current price.

07Should I invest in Idemitsu Kosan Co.,Ltd. stock?

Investing in stocks requires thorough research: study the company's financials, related news and technical analysis before making a decision. Technical analysis of Idemitsu Kosan Co.,Ltd. shows a sell rating today and a buy rating on the weekly timeframe. Market conditions change quickly, so it is worth looking further ahead as well — the 1-month rating for Idemitsu Kosan Co.,Ltd. is buy. Technical ratings are indicators, not investment advice.

08What are IDKOY stock 52-week high and low?

Over the past 52 weeks IDKOY has traded between $13.45 and $22.79. The current price is 19.22% below its 52-week high.

Figures as of Nov 4, 2026. This information is provided for general purposes only and is not investment advice.