Idemitsu Kosan Co.,Ltd. (TYO:5019)

Idemitsu Kosan Ratios and Metrics

Market cap in millions JPY. Fiscal year is April - March.

Total Valuation

Fiscal Year	Current	FY 2026	FY 2025	FY 2024	FY 2023	FY 2022
Period Ending	Sep 3, 2026	Mar 31, 2026	Mar 31, 2025	Mar 31, 2024	Mar 31, 2023	Mar 31, 2022
Market Capitalization	1,785,333	1,887,777	1,289,543	1,442,802	857,766	1,003,408
Market Cap Growth	44.48%	46.39%	-10.62%	68.20%	-14.52%	18.27%
Enterprise Value	3,734,493	3,281,937	2,457,615	2,690,826	2,402,013	2,313,745
Last Close Price	1489.50	1541.50	1023.10	978.81	524.40	586.59

Price Ratios

Fiscal Year	Current	FY 2026	FY 2025	FY 2024	FY 2023	FY 2022
Period Ending	Sep 3, 2026	Mar 31, 2026	Mar 31, 2025	Mar 31, 2024	Mar 31, 2023	Mar 31, 2022
PE Ratio	5.02	10.98	12.39	6.31	3.38	3.59
Forward PE	9.33	11.87	8.73	8.44	8.83	7.80
PS Ratio	0.21	0.23	0.14	0.17	0.09	0.15
PB Ratio	1.06	0.97	0.74	0.80	0.53	0.70
P/TBV Ratio	1.21	1.14	0.88	0.94	0.65	0.91
P/FCF Ratio	7.52	7.95	3.31	4.71	-	19.53
P/OCF Ratio	4.55	4.81	2.71	3.82	-	6.87
PEG Ratio	1.94	0.66	7.28	0.21	0.21	0.28

EV Ratios

Fiscal Year	Current	FY 2026	FY 2025	FY 2024	FY 2023	FY 2022
Period Ending	Sep 3, 2026	Mar 31, 2026	Mar 31, 2025	Mar 31, 2024	Mar 31, 2023	Mar 31, 2022
EV/Sales Ratio	0.44	0.41	0.27	0.31	0.25	0.35
EV/EBITDA Ratio	6.09	10.35	9.20	5.92	6.06	4.22
EV/EBIT Ratio	7.01	15.47	15.15	7.77	8.50	5.33
EV/FCF Ratio	15.72	13.82	6.30	8.78	-	45.04

Financial Efficiency

Fiscal Year	Current	FY 2026	FY 2025	FY 2024	FY 2023	FY 2022
Period Ending	Sep 3, 2026	Mar 31, 2026	Mar 31, 2025	Mar 31, 2024	Mar 31, 2023	Mar 31, 2022
Debt / Equity Ratio	1.37	0.70	0.69	0.72	0.90	0.93
Debt / EBITDA Ratio	3.80	4.29	4.48	2.85	3.68	2.44
Debt / FCF Ratio	-	5.73	3.07	4.24	-	26.02
Net Debt / Equity Ratio	1.14	0.59	0.59	0.64	0.83	0.83
Net Debt / EBITDA Ratio	3.17	3.63	3.86	2.55	3.41	2.18
Net Debt / FCF Ratio	-	4.84	2.64	3.78	-11.42	23.29
Asset Turnover	1.64	1.60	1.88	1.77	2.00	1.56
Inventory Turnover	4.55	5.56	6.43	5.86	7.31	6.61
Quick Ratio	0.47	0.59	0.61	0.62	0.59	0.61
Current Ratio	1.17	1.26	1.26	1.33	1.26	1.15
Return on Equity (ROE)	-	8.95%	5.75%	13.18%	16.36%	20.88%
Return on Assets (ROA)	-	2.63%	2.07%	4.38%	3.73%	6.35%
Return on Invested Capital (ROIC)	10.80%	5.37%	3.64%	8.08%	7.24%	12.40%
Return on Capital Employed (ROCE)	19.00%	7.10%	6.10%	12.30%	10.50%	17.10%

Yields

Fiscal Year	Current	FY 2026	FY 2025	FY 2024	FY 2023	FY 2022
Period Ending	Sep 3, 2026	Mar 31, 2026	Mar 31, 2025	Mar 31, 2024	Mar 31, 2023	Mar 31, 2022
Earnings Yield	20.28%	9.11%	8.07%	15.84%	29.57%	27.86%
FCF Yield	13.31%	12.58%	30.26%	21.25%	-13.80%	5.12%
Dividend Yield	2.42%	2.33%	3.52%	3.27%	4.58%	4.09%
Payout Ratio	-	25.71%	44.34%	17.60%	19.96%	12.79%
Buyback Yield / Dilution	0.28%	8.40%	5.62%	4.68%	0.02%	-0.01%
Total Shareholder Return	2.70%	10.73%	9.14%	7.95%	4.60%	4.08%

Data Source: S&P Global Market Intelligence Last updated: Jun 30, 2026

Financial data is provided by S&P Global Market Intelligence and updates within hours after each earnings release, which is every three months for this company.

Update frequency:

Quarterly

Last checked:

Sep 2, 2026

Data Sources Report a data error