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Idemitsu Kosan Co.,Ltd.

$10.59 +$3.03 (+40.14%)
OTC · 14 Sep 2026 15:59 UTC
Previous Close
$7.65
Day Range
$10.59 - $10.59
Year Range
$6.76$10.59
Market Cap
12.7B
AVG Volume
132
Trailing/Forward PE
5.07/0.07
PEG ratio
0.64
Dividend Yield
2.25%
Next Earnings Date
2026-11-17
Primary Exchange
Other OTCUS
Revenue (JPY)
01T2T3T24 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF Revenue (JPY) by quarter
PeriodRevenue (JPY)
27 Q12.26T
26 Q42.17T
26 Q32.14T
26 Q21.99T
26 Q112.79B
25 Q42.31T
25 Q32.37T
25 Q22.24T
25 Q12.26T
24 Q42.32T
Net Income (JPY)
-100B0100B200B300B24 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF Net Income (JPY) by quarter
PeriodNet Income (JPY)
27 Q1215.93B
26 Q4120.09B
26 Q316.52B
26 Q231.27B
26 Q15.24B
25 Q4-23.4B
25 Q328.01B
25 Q24.42B
25 Q195.02B
24 Q4-10.57B
Operating Income (JPY)
-100B0100B200B300B400B24 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF Operating Income (JPY) by quarter
PeriodOperating Income (JPY)
27 Q1300.49B
26 Q4176.62B
26 Q310.86B
26 Q247.53B
26 Q1-145.82M
25 Q438.91B
25 Q325.95B
25 Q2-25.18B
25 Q1122.51B
24 Q452.62B
EBITDA (JPY)
0100B200B300B400B24 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF EBITDA (JPY) by quarter
PeriodEBITDA (JPY)
27 Q1355.12B
26 Q4204.65B
26 Q337.53B
26 Q276.27B
26 Q14.13B
25 Q465.18B
25 Q353.08B
25 Q2793M
25 Q1149.65B
24 Q479.76B
Cash Flows (JPY)
00.250.50.75124 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF Cash Flows (JPY) by quarter
PeriodCash Flows (JPY)
27 Q10
26 Q40
26 Q30
26 Q20
26 Q10
25 Q40
25 Q30
25 Q20
25 Q10
24 Q40
EPS (JPY)
-5005010015020024 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF EPS (JPY) by quarter
PeriodEPS (JPY)
27 Q1177.6
26 Q497.47
26 Q313.49
26 Q226
26 Q14.28
25 Q4-18.02
25 Q321.16
25 Q23.27
25 Q169.24
24 Q4-7.6
Expenses (JPY)
050B100B150BR&DSG&A24 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF Expenses (JPY) by quarter
PeriodExpenses (JPY)
27 Q1140.44B
26 Q4148.49B
26 Q3136.68B
26 Q2134.43B
26 Q1125.62B
25 Q4143.41B
25 Q3135.2B
25 Q2125.6B
25 Q1123.02B
24 Q4135.16B
Cash & Debt (JPY)
01T2T3TCashLong Term DebtShort Term Debt24 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF Cash & Debt (JPY) by quarter
PeriodCash & Debt (JPY)
27 Q1374.93B
26 Q4213.64B
26 Q3240.11B
26 Q2825.83M
26 Q1126.2B
25 Q4165.76B
25 Q3188.49B
25 Q231.63B
25 Q1133.39B
24 Q4139.32B
Debt ratios
02.557.51024 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF Debt ratios by quarter
PeriodDebt ratios
27 Q12.83
26 Q43.59
26 Q37.44
26 Q20.04
26 Q18.88
25 Q43.84
25 Q34.05
25 Q22.7
25 Q11.82
24 Q42.31
Margins
0%5%10%15%20%24 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF Margins by quarter
PeriodMargins
27 Q119.55%
26 Q414.95%
26 Q36.89%
26 Q29.14%
26 Q15.68%
25 Q47.88%
25 Q36.79%
25 Q24.48%
25 Q110.86%
24 Q48.1%
Return on Capital
-5%0%5%10%15%24 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF Return on Capital by quarter
PeriodReturn on Capital
27 Q112.97%
26 Q46.12%
26 Q30.92%
26 Q21.76%
26 Q10.31%
25 Q4-1.35%
25 Q31.51%
25 Q20.23%
25 Q14.95%
24 Q4-0.58%
Shares Outstanding
0500M1B1.5B24 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF Shares Outstanding by quarter
PeriodShares Outstanding
27 Q11.21B
26 Q41.22B
26 Q31.22B
26 Q21.22B
26 Q11.22B
25 Q41.3B
25 Q31.32B
25 Q21.35B
25 Q11.37B
24 Q41.39B
Dividends (JPY)
00.050.10.15Sep 22Mar 23Sep 23Mar 24Sep 24Mar 25Sep 25Mar 26Sep 26Mar 27
IDKOF Dividends (JPY) by quarter
PeriodDividends (JPY)
Mar 270.12
Sep 260.12
Mar 260.12
Sep 250.12
Mar 250.12
Sep 240.13
Mar 240.11
Sep 230.11
Mar 230.09
Sep 220.08
Book Value Per Share (JPY)
050010001500200024 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF Book Value Per Share (JPY) by quarter
PeriodBook Value Per Share (JPY)
27 Q11374.94
26 Q41603.27
26 Q31464.57
26 Q21449.84
26 Q11390.31
25 Q41338.11
25 Q31405.75
25 Q21392.94
25 Q11398.8
24 Q41303.61
Total Assets (JPY)
02T4T6T8T24 Q425 Q125 Q225 Q325 Q426 Q126 Q226 Q326 Q427 Q1
IDKOF Total Assets (JPY) by quarter
PeriodTotal Assets (JPY)
27 Q16.01T
26 Q45.36T
26 Q35.26T
26 Q24.53T
26 Q14.39T
25 Q44.78T
25 Q35.15T
25 Q24.69T
25 Q15.03T
24 Q45.01T
PE Ratio
0255075100med 11.9Dec 24Apr 25Jul 25Nov 25Feb 26Jun 26Sep 26
IDKOF PE Ratio by quarter
PeriodPE Ratio
Sep 2611.5
Sep 268.3
Sep 268.45
Aug 268.66
Aug 268.6
Aug 268.62
Aug 268.54
Jul 268.52
Jul 268.87
Jul 268.61
Jul 268.58
Jul 268.55
Jun 2653.52
Jun 2658.35
Jun 2657.92
Jun 2657.96
May 2657.58
May 2657.56
May 2657.39
May 2656.64
May 2656.78
Apr 2663.53
Apr 2663.24
Apr 2663.5
Apr 2663.64
Mar 2642.37
Mar 2642.09
Mar 2642.23
Mar 2640.3
Feb 2642.13
Feb 2641.87
Feb 2634.36
Feb 2635.38
Jan 2634.84
Jan 2635.06
Jan 2635.58
Jan 2635.55
Jan 2635.3
Dec 2590.75
Dec 2591.45
Dec 2590.35
Dec 2590.08
Nov 2590.54
Nov 2590.65
Nov 2589.6
Nov 2588.96
Oct 2589.31
Oct 2588.65
Oct 2590.44
Oct 2590.75
Oct 2588.55
Sep 2513.06
Sep 2512.93
Sep 2512.9
Sep 2512.87
Aug 2512.85
Aug 2512.83
Aug 2511.66
Aug 2511.71
Aug 2511.68
Jul 2511.7
Jul 2511.79
Jul 2511.68
Jul 2510
Jun 259.06
Jun 259.15
Jun 259.96
Jun 2510.01
May 259.95
May 259.85
May 259.9
May 2512.1
May 2512.07
Apr 2511.96
Apr 2511.86
Apr 2511.94
Apr 2512.23
Mar 259.14
Mar 259.17
Mar 259.13
Mar 257.86
Feb 258
Feb 257.92
Feb 258.09
Feb 258.04
Jan 258.24
Jan 258.28
Jan 258.3
Jan 258.61
Jan 258.73
Dec 245.21
Dec 245.16
Dec 245.06
Dec 244.88
Nov 244.87
Nov 245.04
Nov 245.02
Nov 244.89
Nov 244.9
Oct 244.88
Free Cash Flow Yield
0%2.5%5%7.5%10%med 0%Dec 24Apr 25Jul 25Nov 25Feb 26Jun 26Sep 26
IDKOF Free Cash Flow Yield by quarter
PeriodFree Cash Flow Yield
Sep 260%
Sep 260%
Sep 260%
Aug 260%
Aug 260%
Aug 260%
Aug 260%
Jul 260%
Jul 260%
Jul 260%
Jul 260%
Jul 260%
Jun 260%
Jun 260%
Jun 260%
Jun 260%
May 260%
May 260%
May 260%
May 260%
May 260%
Apr 260%
Apr 260%
Apr 260%
Apr 260%
Mar 260%
Mar 260%
Mar 260%
Mar 260%
Feb 260%
Feb 260%
Feb 260%
Feb 260%
Jan 260%
Jan 260%
Jan 260%
Jan 260%
Jan 260%
Dec 250%
Dec 250%
Dec 250%
Dec 250%
Nov 250%
Nov 250%
Nov 250%
Nov 250%
Oct 250%
Oct 250%
Oct 250%
Oct 250%
Oct 250%
Sep 250%
Sep 250%
Sep 250%
Sep 250%
Aug 250%
Aug 250%
Aug 250%
Aug 250%
Aug 250%
Jul 250%
Jul 250%
Jul 250%
Jul 250%
Jun 250%
Jun 250%
Jun 250%
Jun 250%
May 250%
May 250%
May 250%
May 250%
May 250%
Apr 250%
Apr 250%
Apr 250%
Apr 250%
Mar 253.66%
Mar 253.65%
Mar 253.67%
Mar 254.26%
Feb 254.19%
Feb 254.22%
Feb 254.14%
Feb 254.16%
Jan 254.06%
Jan 254.04%
Jan 254.03%
Jan 253.89%
Jan 253.83%
Dec 247.51%
Dec 247.58%
Dec 247.73%
Dec 248.02%
Nov 248.04%
Nov 247.76%
Nov 247.79%
Nov 247.99%
Nov 247.98%
Oct 248.01%
Price to Sales
0.10.20.30.4med 0.18Dec 24Apr 25Jul 25Nov 25Feb 26Jun 26Sep 26
IDKOF Price to Sales by quarter
PeriodPrice to Sales
Sep 260.32
Sep 260.23
Sep 260.23
Aug 260.24
Aug 260.24
Aug 260.24
Aug 260.23
Jul 260.23
Jul 260.24
Jul 260.24
Jul 260.23
Jul 260.23
Jun 260.25
Jun 260.27
Jun 260.27
Jun 260.27
May 260.26
May 260.26
May 260.26
May 260.26
May 260.26
Apr 260.29
Apr 260.29
Apr 260.29
Apr 260.29
Mar 260.26
Mar 260.26
Mar 260.26
Mar 260.25
Feb 260.26
Feb 260.26
Feb 260.21
Feb 260.22
Jan 260.21
Jan 260.22
Jan 260.22
Jan 260.22
Jan 260.22
Dec 250.19
Dec 250.19
Dec 250.19
Dec 250.19
Nov 250.19
Nov 250.19
Nov 250.18
Nov 250.18
Oct 250.18
Oct 250.18
Oct 250.19
Oct 250.19
Oct 250.18
Sep 250.15
Sep 250.15
Sep 250.15
Sep 250.15
Aug 250.15
Aug 250.15
Aug 250.13
Aug 250.13
Aug 250.13
Jul 250.13
Jul 250.13
Jul 250.13
Jul 250.11
Jun 250.12
Jun 250.12
Jun 250.13
Jun 250.13
May 250.13
May 250.13
May 250.13
May 250.15
May 250.15
Apr 250.15
Apr 250.15
Apr 250.15
Apr 250.16
Mar 250.16
Mar 250.16
Mar 250.16
Mar 250.14
Feb 250.14
Feb 250.14
Feb 250.14
Feb 250.14
Jan 250.15
Jan 250.15
Jan 250.15
Jan 250.15
Jan 250.15
Dec 240.16
Dec 240.16
Dec 240.15
Dec 240.15
Nov 240.15
Nov 240.15
Nov 240.15
Nov 240.15
Nov 240.15
Oct 240.15
EV/EBITDA
05101520med 8.35Dec 24Apr 25Jul 25Nov 25Feb 26Jun 26Sep 26
IDKOF EV/EBITDA by quarter
PeriodEV/EBITDA
Sep 269.76
Sep 268.04
Sep 268.12
Aug 268.24
Aug 268.2
Aug 268.21
Aug 268.17
Jul 268.16
Jul 268.34
Jul 268.21
Jul 268.19
Jul 268.17
Jun 2616.1
Jun 2616.89
Jun 2616.82
Jun 2616.82
May 2616.76
May 2616.76
May 2616.73
May 2616.61
May 2616.63
Apr 2617.72
Apr 2617.68
Apr 2617.72
Apr 2617.74
Mar 268.81
Mar 268.75
Mar 268.78
Mar 268.38
Feb 268.76
Feb 268.7
Feb 267.15
Feb 267.36
Jan 267.25
Jan 267.3
Jan 267.4
Jan 267.4
Jan 267.34
Dec 2519.4
Dec 2519.48
Dec 2519.35
Dec 2519.32
Nov 2519.38
Nov 2519.39
Nov 2519.27
Nov 2519.19
Oct 2519.23
Oct 2519.16
Oct 2519.36
Oct 2519.4
Oct 2519.15
Sep 258.89
Sep 258.84
Sep 258.83
Sep 258.82
Aug 258.81
Aug 258.8
Aug 258.35
Aug 258.37
Aug 258.36
Jul 258.37
Jul 258.4
Jul 258.36
Jul 257.71
Jun 257.79
Jun 257.83
Jun 258.16
Jun 258.18
May 258.16
May 258.12
May 258.14
May 259.05
May 259.03
Apr 258.99
Apr 258.95
Apr 258.98
Apr 259.1
Mar 256.47
Mar 256.48
Mar 256.46
Mar 255.94
Feb 256
Feb 255.97
Feb 256.03
Feb 256.01
Jan 256.1
Jan 256.11
Jan 256.12
Jan 256.25
Jan 256.3
Dec 244.31
Dec 244.29
Dec 244.24
Dec 244.15
Nov 244.15
Nov 244.23
Nov 244.23
Nov 244.16
Nov 244.17
Oct 244.16
Price/Operating Cashflow
0102030med 7.05Jul 23Oct 23Feb 24May 24Aug 24Dec 24Mar 25
IDKOF Price/Operating Cashflow by quarter
PeriodPrice/Operating Cashflow
Mar 2527.29
Mar 2527.38
Mar 2527.26
Mar 2523.48
Feb 2523.89
Feb 2523.67
Feb 2524.16
Feb 2524.02
Jan 2524.61
Jan 2524.74
Jan 2524.79
Jan 2525.72
Jan 2526.08
Dec 2413.32
Dec 2413.19
Dec 2412.94
Dec 2412.46
Nov 2412.44
Nov 2412.88
Nov 2412.84
Nov 2412.51
Nov 2412.54
Oct 2412.48
Oct 2413.21
Oct 2413.18
Oct 2413.14
Sep 248.55
Sep 248.65
Sep 248.43
Sep 248.52
Aug 248.26
Aug 248.16
Aug 248.34
Aug 248.29
Aug 248.47
Jul 248.89
Jul 249.1
Jul 249.16
Jul 249.33
Jun 246.88
Jun 246.65
Jun 247.06
Jun 247.02
May 247.11
May 247.1
May 247.04
May 246.81
May 246.68
Apr 246.91
Apr 246.7
Apr 247.04
Apr 246.71
Mar 246.58
Mar 246.26
Mar 246.16
Mar 246.28
Mar 246
Feb 245.8
Feb 245.82
Feb 245.21
Feb 245.35
Jan 245.17
Jan 245.14
Jan 245.5
Jan 245.14
Dec 235.14
Dec 235.12
Dec 235.02
Dec 235.12
Dec 235.19
Nov 234.34
Nov 234.34
Nov 234.4
Nov 234.34
Oct 234.35
Oct 234.35
Oct 234.34
Oct 234.34
Sep 234.34
Sep 235.77
Sep 235.75
Sep 235.75
Sep 235.34
Aug 235.05
Aug 235.05
Aug 235.04
Aug 234.93
Jul 234.91
Jul 234.93
Jul 234.82
Jul 234.94
Jun 235.02
Jun 237.23
Jun 237.31
Jun 237.18
Jun 237.77
May 237.8
May 237.66
May 237.53
May 237.48
Price to Book
0.40.60.811.2med 0.76Dec 24Apr 25Jul 25Nov 25Feb 26Jun 26Sep 26
IDKOF Price to Book by quarter
PeriodPrice to Book
Sep 261.01
Sep 260.73
Sep 260.75
Aug 260.76
Aug 260.76
Aug 260.76
Aug 260.75
Jul 260.75
Jul 260.78
Jul 260.76
Jul 260.76
Jul 260.75
Jun 260.88
Jun 260.96
Jun 260.96
Jun 260.96
May 260.95
May 260.95
May 260.95
May 260.94
May 260.94
Apr 261.05
Apr 261.04
Apr 261.05
Apr 261.05
Mar 260.98
Mar 260.98
Mar 260.98
Mar 260.93
Feb 260.98
Feb 260.97
Feb 260.8
Feb 260.82
Jan 260.81
Jan 260.81
Jan 260.82
Jan 260.82
Jan 260.82
Dec 250.76
Dec 250.77
Dec 250.76
Dec 250.76
Nov 250.76
Nov 250.76
Nov 250.75
Nov 250.75
Oct 250.75
Oct 250.74
Oct 250.76
Oct 250.76
Oct 250.74
Sep 250.78
Sep 250.77
Sep 250.77
Sep 250.77
Aug 250.77
Aug 250.77
Aug 250.7
Aug 250.7
Aug 250.7
Jul 250.7
Jul 250.71
Jul 250.7
Jul 250.6
Jun 250.57
Jun 250.57
Jun 250.63
Jun 250.63
May 250.63
May 250.62
May 250.62
May 250.76
May 250.76
Apr 250.75
Apr 250.74
Apr 250.75
Apr 250.77
Mar 250.79
Mar 250.79
Mar 250.79
Mar 250.68
Feb 250.69
Feb 250.69
Feb 250.7
Feb 250.7
Jan 250.71
Jan 250.72
Jan 250.72
Jan 250.74
Jan 250.76
Dec 240.75
Dec 240.75
Dec 240.73
Dec 240.71
Nov 240.71
Nov 240.73
Nov 240.73
Nov 240.71
Nov 240.71
Oct 240.71
Idemitsu Kosan Co.,Ltd.
IDKOF
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