| 2026 |
| 03/10 | 980 | 990 | 963 | 976 | +2.85% | 9,195,100 | 1兆4068億 | -10.29% |
| 03/09 | 948 | 974 | 920 | 949 | -8.57% | 13,831,700 | 1兆3679億 | -12.94% |
| 03/06 | 1,009 | 1,040 | 1,006 | 1,038 | +0.39% | 6,049,000 | 1兆4962億 | -4.95% |
| 03/05 | 1,063 | 1,063 | 1,027 | 1,034 | +1.17% | 8,250,600 | 1兆4904億 | -5.14% |
| 03/04 | 1,060 | 1,079 | 1,010 | 1,022 | -8.01% | 8,059,400 | 1兆4731億 | -6.15% |
| 03/04 | (空売り報告)Barclays Capital Securities Ltd 8,754,304株(0.6%)+0.04% |
| 03/03 | 1,140 | 1,151 | 1,106 | 1,111 | -4.22% | 4,882,600 | 1兆6014億 | +2.11% |
| 03/02 | 1,146 | 1,171 | 1,124 | 1,160 | -0.09% | 4,815,300 | 1兆6721億 | +6.91% |
| 02/27 | 1,133 | 1,161 | 1,129 | 1,161 | +1.84% | 11,521,600 | 1兆6735億 | +7.6% |
| 02/26 | 1,150 | 1,152 | 1,134 | 1,140 | +1.15% | 5,937,300 | 1兆6432億 | +6.34% |
| 02/25 | 1,148 | 1,153 | 1,118 | 1,127 | -1.57% | 5,391,300 | 1兆6245億 | +5.62% |
| 02/24 | 1,128 | 1,145 | 1,125 | 1,145 | +2.42% | 7,253,800 | 1兆6504億 | +7.82% |
| 02/24 | (空売り報告)Barclays Capital Securities Ltd 8,091,404株(0.56%)-0.06% |
| 02/20 | 1,120 | 1,125 | 1,105 | 1,118 | -1.32% | 5,700,100 | 1兆6115億 | +5.77% |
| 02/20 | (空売り報告)Barclays Capital Securities Ltd 9,026,004株(0.62%)+0.1% |
| 02/19 | 1,135 | 1,146 | 1,127 | 1,133 | +0.18% | 6,144,300 | 1兆6331億 | +7.7% |
| 02/18 | 1,113 | 1,137 | 1,110 | 1,131 | +1.07% | 6,362,800 | 1兆6302億 | +8.13% |
| 02/17 | 1,110 | 1,126 | 1,110 | 1,119 | +0.9% | 5,520,400 | 1兆6130億 | +7.6% |
| 02/16 | 1,115 | 1,124 | 1,099 | 1,109 | -0.18% | 5,930,500 | 1兆5985億 | +7.36% |
| 02/16 | (空売り報告)Barclays Capital Securities Ltd 7,520,310株(0.52%)新規 |
| 02/13 | 1,121 | 1,128 | 1,107 | 1,111 | -1.94% | 7,420,000 | 1兆6014億 | +8.18% |
| 02/12 | (IR情報)15:00 「2026年3月期第3四半期決算短信〔IFRS〕(連結)」の公認会計士等による期中レビューの完了について |
| 02/12 | 1,137 | 1,148 | 1,126 | 1,133 | -0.26% | 9,190,500 | 1兆6331億 | +10.97% |
| 02/10 | 1,108 | 1,136 | 1,104 | 1,136 | +4.12% | 9,061,100 | 1兆6375億 | +12.03% |
| 02/09 | 1,100 | 1,110 | 1,079 | 1,091 | +3.12% | 7,330,600 | 1兆5726億 | +8.45% |
| 02/06 | 1,023 | 1,065 | 1,020 | 1,058 | +0.47% | 7,498,100 | 1兆5250億 | +5.91% |
| 02/05 | (IR情報)13:30 2026年3月期第3四半期決算短信〔IFRS〕(連結) |
| 02/05 | (IR情報)13:30 2026年3月期通期業績予想の修正に関するお知らせ |
| 02/05 | (IR情報)13:30 2026年3月期第3四半期決算説明資料 |
| 02/05 | 1,110 | 1,124 | 1,019 | 1,053 | -3.13% | 16,877,600 | 1兆5178億 | +5.94% |
| 02/04 | 1,050 | 1,089 | 1,047 | 1,087 | +4.82% | 8,476,900 | 1兆5668億 | +10.02% |
| 02/03 | 1,028 | 1,040 | 1,016 | 1,037 | +2.17% | 4,874,200 | 1兆4948億 | +5.71% |
| 02/02 | (IR情報)13:00 コークス及び炭素材の事業撤退に関するお知らせ |
| 02/02 | 1,033 | 1,040 | 1,003 | 1,015 | -0.49% | 6,330,700 | 1兆4630億 | +4% |
| 01/30 | 1,004 | 1,020 | 997 | 1,020 | +1.59% | 6,078,300 | 1兆4702億 | +4.94% |
| 01/29 | (IR情報)17:00 会社分割(簡易吸収分割)による事業等の承継に関するお知らせ |
| 01/29 | 983 | 1,008 | 976 | 1,004 | +1.01% | 5,158,100 | 1兆4472億 | +3.72% |
| 01/28 | 992 | 998 | 988 | 994 | -1% | 3,877,400 | 1兆4328億 | +3.22% |
| 01/27 | 1,003 | 1,012 | 998 | 1,004 | -0.2% | 5,358,200 | 1兆4472億 | +4.69% |
| 01/26 | 1,002 | 1,013 | 1,000 | 1,006 | -1.76% | 3,455,700 | 1兆4501億 | +5.34% |
| 01/23 | 1,023 | 1,027 | 1,012 | 1,024 | +0.49% | 4,832,400 | 1兆4760億 | +7.68% |
| 01/22 | 1,012 | 1,032 | 1,009 | 1,019 | +2.1% | 5,930,300 | 1兆4688億 | +7.72% |
| 01/21 | 982 | 998 | 980 | 998 | +0.1% | 4,598,600 | 1兆4385億 | +6.06% |
| 01/20 | 1,010 | 1,011 | 994 | 997 | -1.58% | 5,682,800 | 1兆4371億 | +6.4% |
| 01/19 | 1,002 | 1,025 | 983 | 1,013 | -0.3% | 5,636,900 | 1兆4602億 | +8.69% |
| 01/16 | 1,010 | 1,025 | 1,009 | 1,016 | +1.6% | 6,734,600 | 1兆4645億 | +9.72% |
| 01/15 | 979 | 1,004 | 979 | 1,000 | +1.32% | 5,144,100 | 1兆4414億 | +8.81% |
| 01/14 | 972 | 991 | 970 | 987 | +1.75% | 6,044,200 | 1兆4227億 | +8.11% |
| 01/13 | 966 | 973 | 961 | 970 | +1.78% | 4,999,600 | 1兆3982億 | +6.83% |
| 01/09 | 960 | 968 | 952 | 953 | -0.31% | 4,206,700 | 1兆3737億 | +5.42% |
| 01/08 | 958 | 960 | 947 | 956 | -0.52% | 4,612,000 | 1兆3780億 | +6.22% |
| 01/07 | 953 | 967 | 949 | 961 | +0.31% | 4,962,500 | 1兆3852億 | +7.13% |
| 01/06 | 939 | 964 | 939 | 958 | +3.12% | 6,105,700 | 1兆3809億 | +7.16% |
| 01/05 | 929 | 930 | 921 | 929 | +1.53% | 3,954,500 | 1兆3391億 | +4.38% |
| 2025 |
| 12/30 | 920 | 929 | 915 | 915 | -1.08% | 2,697,700 | 1兆3189億 | +3.04% |
| 12/29 | 929 | 929 | 918 | 925 | +1.2% | 3,440,400 | 1兆3333億 | +4.52% |
| 12/26 | 922 | 925 | 913 | 914 | -0.54% | 2,700,800 | 1兆3175億 | +3.63% |
| 12/25 | 913 | 919 | 909 | 919 | +0.66% | 2,699,900 | 1兆3247億 | +4.55% |
| 12/24 | 918 | 925 | 910 | 913 | -0.22% | 3,472,500 | 1兆3160億 | +4.34% |
| 12/23 | 907 | 920 | 905 | 915 | +1.1% | 3,713,100 | 1兆3189億 | +4.93% |
| 12/22 | 896 | 910 | 893 | 905 | +1% | 4,420,800 | 1兆3045億 | +4.02% |
| 12/19 | 891 | 903 | 890 | 896 | +0.9% | 6,742,400 | 1兆2915億 | +3.23% |
| 12/18 | 895 | 897 | 885 | 888 | -0.22% | 4,380,100 | 1兆2800億 | +2.42% |
| 12/17 | 897 | 903 | 889 | 890 | -1.55% | 4,713,100 | 1兆2829億 | +2.89% |
| 12/16 | 911 | 917 | 902 | 904 | -0.88% | 5,589,200 | 1兆3030億 | +4.75% |
| 12/15 | 905 | 914 | 897 | 912 | +1% | 4,832,900 | 1兆3146億 | +5.92% |
| 12/12 | 900 | 919 | 891 | 903 | +2.38% | 8,583,000 | 1兆3016億 | +5.24% |
| 12/11 | 892 | 895 | 876 | 882 | +1.03% | 4,622,900 | 1兆2713億 | +3.16% |
| 12/10 | 865 | 876 | 861 | 873 | +1.99% | 7,113,900 | 1兆2584億 | +2.46% |
| 12/09 | 854 | 861 | 850 | 856 | -0.7% | 4,041,200 | 1兆2338億 | +0.59% |
| 12/08 | (IR情報)13:30 三菱ケミカル株式会社におけるネクストステージ支援プログラムの結果について |
| 12/08 | 852 | 862 | 850 | 862 | +1.41% | 3,553,000 | 1兆2425億 | +1.53% |
| 12/05 | 853 | 857 | 843 | 850 | -0.93% | 4,184,300 | 1兆2252億 | +0.24% |
| 12/04 | 850 | 867 | 848 | 858 | +0.12% | 5,330,700 | 1兆2367億 | +1.18% |
| 12/03 | 866 | 870 | 856 | 857 | -1.04% | 6,280,500 | 1兆2353億 | +1.18% |
| 12/02 | 870 | 878 | 865 | 866 | -0.12% | 6,095,700 | 1兆2483億 | +2.12% |
| 12/01 | 878 | 881 | 863 | 867 | -1.59% | 5,197,700 | 1兆2497億 | +2.24% |
| 11/28 | 873 | 881 | 869 | 881 | +0.92% | 5,960,300 | 1兆2699億 | +4.01% |
| 11/27 | 870 | 874 | 865 | 873 | +0.23% | 10,849,100 | 1兆2584億 | +3.19% |
| 11/26 | 867 | 873 | 860 | 871 | +2.23% | 5,898,300 | 1兆2555億 | +3.08% |
| 11/25 | 858 | 859 | 842 | 852 | +0.71% | 4,866,300 | 1兆2281億 | +1.07% |
| 11/21 | 826 | 847 | 826 | 846 | +0.95% | 6,414,700 | 1兆2194億 | +0.48% |
| 11/21 | (空売り報告)JPM Securities Japan Co Ltd. 5,773,348株(0.4%)-0.18%義務消失 |
| 11/20 | 843 | 847 | 834 | 838 | +1.21% | 4,957,500 | 1兆2079億 | -0.36% |
| 11/20 | (空売り報告)JPM Securities Japan Co Ltd. 8,433,973株(0.58%)-0.02% |
| 11/19 | 830 | 836 | 824 | 828 | -0.24% | 6,675,600 | 1兆1935億 | -1.43% |
| 11/18 | 848 | 853 | 830 | 830 | -3.15% | 7,444,700 | 1兆1964億 | -1.19% |
| 11/17 | 854 | 862 | 852 | 857 | -0.92% | 3,578,300 | 1兆2353億 | +2.02% |
| 11/14 | 858 | 865 | 849 | 865 | +0.58% | 4,456,100 | 1兆2468億 | +3.1% |
| 11/14 | (空売り報告)JPM Securities Japan Co Ltd. 8,651,940株(0.6%)+0.05% |
| 11/13 | (IR情報)15:30 (訂正)「2026年3月期第2四半期(中間期)決算短信[IFRS](連結)」の一部訂正について |
| 11/13 | 852 | 860 | 849 | 860 | +1.78% | 3,979,000 | 1兆2396億 | +2.5% |
| 11/12 | 847 | 855 | 842 | 845 | +0.12% | 4,270,100 | 1兆2180億 | +0.72% |
| 11/11 | 858 | 860 | 838 | 844 | -0.82% | 3,634,900 | 1兆2165億 | +0.6% |
| 11/10 | 848 | 855 | 844 | 851 | +2.16% | 4,666,100 | 1兆2266億 | +1.55% |
| 11/07 | 826 | 841 | 825 | 833 | +0.85% | 3,750,200 | 1兆2007億 | -0.6% |
| 11/07 | (空売り報告)JPM Securities Japan Co Ltd. 7,942,985株(0.55%)再IN |
| 11/06 | 827 | 834 | 821 | 826 | +0.98% | 4,918,900 | 1兆1906億 | -1.43% |
| 11/05 | 833 | 840 | 811 | 818 | -1.8% | 6,986,600 | 1兆1791億 | -2.5% |
| 11/04 | 817 | 839 | 812 | 833 | +3.35% | 11,187,600 | 1兆2007億 | -0.95% |
| 10/31 | (IR情報)13:30 2026年3月期第2四半期(中間期)決算短信〔IFRS〕(連結) |
| 10/31 | (IR情報)13:30 2026年3月期通期業績予想の修正に関するお知らせ |
| 10/31 | (IR情報)13:30 2026年3月期第2四半期(中間期)決算説明 |
| 10/31 | 857 | 864 | 796 | 806 | -4.62% | 22,116,500 | 1兆1618億 | -4.39% |
| 10/30 | 837 | 848 | 835 | 845 | +0.36% | 5,074,800 | 1兆2728億 | -0.12% |
| 10/29 | 847 | 849 | 837 | 842 | -0.36% | 4,282,300 | 1兆2682億 | -0.71% |
| 10/28 | 867 | 871 | 845 | 845 | -3.32% | 4,928,300 | 1兆2728億 | -0.59% |
| 10/27 | 870 | 876 | 865 | 874 | +1.27% | 4,985,500 | 1兆3164億 | +2.7% |
| 10/24 | 860 | 864 | 856 | 863 | +1.29% | 4,783,900 | 1兆2999億 | +1.29% |
| 10/23 | 855 | 858 | 849 | 852 | +0.24% | 4,262,800 | 1兆2833億 | 0% |
| 10/22 | 844 | 857 | 840 | 850 | +1.07% | 5,108,300 | 1兆2803億 | -0.47% |
| 10/21 | 844 | 855 | 840 | 841 | +0.72% | 6,001,200 | 1兆2667億 | -1.64% |
| 10/20 | 825 | 838 | 817 | 835 | +2.2% | 6,266,000 | 1兆2577億 | -2.45% |
| 10/17 | 810 | 819 | 810 | 817 | -0.37% | 3,895,800 | 1兆2306億 | -4.78% |
| 10/16 | 835 | 835 | 815 | 820 | -0.24% | 4,734,500 | 1兆2351億 | -4.65% |
| 10/15 | 825 | 829 | 821 | 822 | -0.12% | 4,415,900 | 1兆2381億 | -4.75% |
| 10/14 | (IR情報)17:00 自己株式の消却に関する一部変更のお知らせ |
| 10/14 | 806 | 829 | 806 | 823 | +0.12% | 6,047,000 | 1兆2396億 | -4.86% |
| 10/10 | 847 | 854 | 822 | 822 | -3.86% | 5,633,500 | 1兆2381億 | -5.19% |
| 10/09 | 856 | 860 | 849 | 855 | +0.47% | 4,283,500 | 1兆2878億 | -1.5% |