Idemitsu Kosan , Ltd. Profit Margin

As of the most recent data (June 2026), IDKOF shows a profit margin of 5.36%. That compares with 0.16% in the prior-year period — up 3192.2% year over year. That is below the Energy sector average of 9.74%. Scroll down for historical charts and peer comparison views.

Compared with the year-ago period, IDKOF's profit margin is now 5.36% (was 0.16%) — a 3192.2% year-over-year increase. Pairing that YoY change with peer averages gives a clearer picture of whether Idemitsu Kosan , Ltd. is outperforming or lagging.

The Energy sector average profit margin is about 9.74%. Idemitsu Kosan , Ltd. is at 5.36%, which is lower that average. That is roughly 45.0% below the sector mean. Use the comparison chart on this page to see how IDKOF stacks up against individual peers as well.

That compares with 0.16% in the prior-year period — up 3192.2% year over year. Improvement over multiple periods is generally more meaningful than a single strong quarter. Compare Idemitsu Kosan , Ltd. with peers to see if the move is company-specific or sector-wide.

Besides this profit margin page, Stockcircle has Idemitsu Kosan , Ltd.'s full stock overview, other financial metrics, insider and congress trade tabs, and tools to follow the stock. Together they help you connect profit margin (currently 5.36%) with ownership activity and broader fundamentals.