Stocktoria
Idemitsu Kosan Co.,Ltd. statistics & valuation
Multiples are price-derived and refreshed daily; everything else from the latest financial reports. The Graham number is Benjamin Graham's rough maximum fair value (¥2,248.24); a green figure means the price is below it.
Profitability & efficiency
Margins and returns computed from annual filings. Falling shares outstanding = buybacks; rising = dilution. Net debt = debt − cash (negative = net cash).
P / E vs its own history
Idemitsu Kosan Co.,Ltd. trades at about 9.3× earnings — near its 10-year norm (10-year range 3.4×–11.4×, median 9.6×).
Shaded band = 10-year range (3.4×–11.4×); dot = today's 9.3×.
Historical P/E = month-end price near each fiscal year-end ÷ that year's EPS. A read on whether the stock is cheap or dear relative to how it has typically been valued — not a forecast.
Key ratios (by fiscal year)
| Ratio | FY2026 | FY2025 | FY2024 | FY2023 |
|---|---|---|---|---|
| Gross margin | 9.3% | 7.5% | 9.7% | 8.4% |
| Operating margin | 2.6% | 1.8% | 4.0% | 3.0% |
| Net margin | 2.1% | 1.1% | 2.6% | 2.7% |
| FCF margin | 2.8% | 4.2% | 3.4% | -1.3% |
| Return on assets | 3.2% | 2.2% | 4.6% | 5.2% |
| Return on equity | 9.0% | 6.0% | 12.7% | 15.7% |
| Debt / equity | 0.31× | 0.30× | 0.34× | 0.41× |
| Current ratio | 1.26 | 1.26 | 1.33 | 1.26 |
Computed from company filings · JP · as of 2026-03-31. Figures in JPY. Facts plus Stocktoria's own computed scores — not investment advice.