| 2026 |
| 03/06 | (自社株買い)取締役会(2026年2月4日)での決議状況(取得期間2026年2月5日~2026年6月30日) |
| 03/06 | 5,360 | 5,417 | 5,242 | 5,383 | -1.27% | 4,395,900 | 8兆9398億 | -5.18% |
| 03/05 | 5,513 | 5,570 | 5,336 | 5,452 | +3.83% | 7,922,800 | 9兆544億 | -3.74% |
| 03/04 | 5,470 | 5,560 | 5,178 | 5,251 | -8.79% | 8,331,700 | 8兆7206億 | -7.05% |
| 03/03 | (IR情報)15:30 (訂正)「化学品事業の一部の連結子会社への会社分割(簡易吸収分割)に関するお知らせ」の一部訂正について |
| 03/03 | 5,962 | 5,985 | 5,736 | 5,757 | -2.84% | 5,653,100 | 9兆5609億 | +2.15% |
| 03/02 | 5,792 | 5,967 | 5,755 | 5,925 | -1.38% | 5,021,700 | 9兆8399億 | +5.61% |
| 03/02 | (IR情報)8:45 自己株式の取得状況に関するお知らせ |
| 02/27 | 5,890 | 6,044 | 5,865 | 6,008 | +0.72% | 7,047,100 | 9兆9778億 | +7.69% |
| 02/26 | 6,133 | 6,140 | 5,947 | 5,965 | -0.75% | 4,797,400 | 9兆9064億 | +7.63% |
| 02/25 | 5,839 | 6,045 | 5,744 | 6,010 | +3.66% | 6,398,100 | 9兆9811億 | +9.11% |
| 02/24 | 5,715 | 5,798 | 5,668 | 5,798 | +1.54% | 4,558,200 | 9兆6290億 | +5.88% |
| 02/20 | 5,764 | 5,804 | 5,710 | 5,710 | -2.02% | 4,873,600 | 9兆4829億 | +4.73% |
| 02/19 | 5,767 | 5,828 | 5,702 | 5,828 | +0.73% | 4,764,600 | 9兆6788億 | +7.35% |
| 02/18 | 5,792 | 5,847 | 5,764 | 5,786 | +0.66% | 3,729,400 | 9兆6091億 | +7.19% |
| 02/17 | 5,842 | 5,848 | 5,704 | 5,748 | -1.71% | 4,484,400 | 9兆5460億 | +7.14% |
| 02/16 | 6,081 | 6,095 | 5,795 | 5,848 | -3.07% | 5,594,800 | 9兆7121億 | +9.95% |
| 02/13 | 6,190 | 6,233 | 5,913 | 6,033 | -4.25% | 10,085,000 | 10兆193億 | +14.5% |
| 02/12 | (IR情報)12:00 化学品事業の一部の連結子会社への会社分割(簡易吸収分割)に関するお知らせ |
| 02/12 | 6,100 | 6,328 | 6,065 | 6,301 | +1.86% | 9,081,400 | 10兆4644億 | +20.92% |
| 02/10 | 6,030 | 6,196 | 5,936 | 6,186 | +3.84% | 6,255,400 | 10兆2734億 | +20.33% |
| 02/09 | (IR情報)16:30 2026年3月期第3四半期決算短信(監査法人による期中レビューの完了) |
| 02/09 | 5,900 | 5,999 | 5,820 | 5,957 | +5.3% | 6,678,300 | 9兆8931億 | +17.45% |
| 02/06 | 5,326 | 5,657 | 5,320 | 5,657 | +4.76% | 5,550,200 | 9兆3949億 | +12.96% |
| 02/05 | 5,406 | 5,465 | 5,223 | 5,400 | -0.11% | 6,902,600 | 8兆9680億 | +8.96% |
| 02/04 | (自社株買い)取締役会(2025年5月2日)での決議状況(取得期間2025年2月6日~2026年1月30日) |
| 02/04 | (IR情報)11:00 2026年3月期第3四半期決算短信〔IFRS〕(連結) |
| 02/04 | (IR情報)11:00 自己株式の取得に係る事項の決定に関するお知らせ |
| 02/04 | (IR情報)11:00 2026年3月期配当予想の修正に関するお知らせ |
| 02/04 | 5,387 | 5,500 | 5,274 | 5,406 | +1.88% | 11,715,400 | 8兆9780億 | +10.03% |
| 02/03 | 5,189 | 5,308 | 5,138 | 5,306 | +6.91% | 6,958,200 | 8兆8119億 | +8.93% |
| 02/02 | 5,200 | 5,238 | 4,963 | 4,963 | -2.97% | 4,408,400 | 8兆2423億 | +2.71% |
| 02/02 | (IR情報)8:45 自己株式の取得状況及び取得終了に関するお知らせ |
| 01/30 | 5,142 | 5,162 | 5,012 | 5,115 | -0.27% | 5,265,300 | 8兆4947億 | +6.39% |
| 01/29 | 5,039 | 5,138 | 4,989 | 5,129 | +1.3% | 3,635,700 | 8兆5180億 | +7.35% |
| 01/28 | 5,024 | 5,085 | 4,971 | 5,063 | -0.26% | 3,619,900 | 8兆4084億 | +6.68% |
| 01/27 | 4,953 | 5,083 | 4,922 | 5,076 | +3.28% | 4,225,400 | 8兆4300億 | +7.68% |
| 01/26 | 4,982 | 5,037 | 4,915 | 4,915 | -4.12% | 4,459,900 | 8兆1626億 | +4.95% |
| 01/23 | (IR情報)14:30 指名委員会等設置会社への移行に関するお知らせ |
| 01/23 | (IR情報)14:30 取締役・監査役人事について |
| 01/23 | (IR情報)14:30 機構改革および役員人事について |
| 01/23 | 5,160 | 5,219 | 5,121 | 5,126 | -0.06% | 3,542,500 | 8兆5130億 | +9.95% |
| 01/22 | 5,130 | 5,174 | 5,073 | 5,129 | +0.67% | 3,691,800 | 8兆5180億 | +10.56% |
| 01/21 | (IR情報)17:00 インドネシア最高裁判決に対する司法審査(再審理)に関するお知らせ(中央ジャカルタ訴訟) |
| 01/21 | 5,019 | 5,119 | 5,010 | 5,095 | -0.47% | 2,929,300 | 8兆4615億 | +10.35% |
| 01/20 | 5,129 | 5,166 | 5,087 | 5,119 | -1.5% | 4,232,600 | 8兆5014億 | +11.5% |
| 01/19 | 5,153 | 5,197 | 5,059 | 5,197 | -0.04% | 3,701,000 | 8兆6309億 | +13.89% |
| 01/16 | 5,131 | 5,230 | 5,110 | 5,199 | +1.09% | 4,028,700 | 8兆6342億 | +14.79% |
| 01/15 | 5,055 | 5,199 | 5,043 | 5,143 | +1.74% | 5,031,100 | 8兆5412億 | +14.42% |
| 01/14 | 4,954 | 5,059 | 4,951 | 5,055 | +2.14% | 5,521,100 | 8兆3951億 | +13.37% |
| 01/13 | 4,810 | 4,949 | 4,782 | 4,949 | +7.52% | 8,048,400 | 8兆2190億 | +11.79% |
| 01/09 | 4,650 | 4,683 | 4,582 | 4,603 | -0.11% | 4,053,900 | 7兆6444億 | +4.76% |
| 01/08 | (自社株買い)取締役会(2025年5月2日)での決議状況(取得期間2025年2月6日~2026年1月30日) |
| 01/08 | 4,607 | 4,695 | 4,590 | 4,608 | +0.57% | 4,737,700 | 7兆6527億 | +5.4% |
| 01/07 | 4,540 | 4,599 | 4,495 | 4,582 | +0.57% | 3,104,500 | 7兆6095億 | +5.33% |
| 01/06 | 4,514 | 4,569 | 4,510 | 4,556 | +2.43% | 3,534,300 | 7兆5664億 | +5.2% |
| 01/05 | 4,423 | 4,458 | 4,408 | 4,448 | +2.18% | 3,370,900 | 7兆3870億 | +3.15% |
| 01/05 | (IR情報)8:45 自己株式の取得状況に関するお知らせ |
| 2025 |
| 12/30 | 4,354 | 4,375 | 4,324 | 4,353 | -0.21% | 2,336,300 | 7兆2292億 | +1.33% |
| 12/29 | 4,322 | 4,363 | 4,314 | 4,362 | +0.72% | 2,906,700 | 7兆2442億 | +1.96% |
| 12/26 | 4,340 | 4,354 | 4,316 | 4,331 | -0.46% | 2,006,100 | 7兆1927億 | +1.74% |
| 12/25 | 4,347 | 4,351 | 4,310 | 4,351 | +0.46% | 1,586,800 | 7兆2259億 | +2.74% |
| 12/24 | 4,360 | 4,368 | 4,320 | 4,331 | -0.85% | 1,952,500 | 7兆1927億 | +2.85% |
| 12/23 | 4,360 | 4,419 | 4,339 | 4,368 | +0.23% | 2,168,500 | 7兆2541億 | +4.25% |
| 12/22 | 4,383 | 4,412 | 4,356 | 4,358 | +0.32% | 3,395,900 | 7兆2375億 | +4.43% |
| 12/19 | 4,285 | 4,360 | 4,275 | 4,344 | +2.45% | 5,581,600 | 7兆2143億 | +4.42% |
| 12/18 | 4,258 | 4,296 | 4,211 | 4,240 | -1.67% | 4,506,900 | 7兆416億 | +2.22% |
| 12/17 | 4,384 | 4,384 | 4,300 | 4,312 | -1.82% | 3,632,600 | 7兆1611億 | +4.2% |
| 12/16 | 4,510 | 4,530 | 4,372 | 4,392 | -3.47% | 5,191,100 | 7兆2940億 | +6.55% |
| 12/15 | 4,576 | 4,579 | 4,516 | 4,550 | -0.61% | 3,770,200 | 7兆5564億 | +10.87% |
| 12/12 | 4,488 | 4,594 | 4,474 | 4,578 | +3.22% | 5,771,000 | 7兆6029億 | +12.21% |
| 12/11 | 4,474 | 4,477 | 4,396 | 4,435 | +0.2% | 3,574,100 | 7兆3654億 | +9.4% |
| 12/10 | 4,394 | 4,503 | 4,380 | 4,426 | +1.47% | 4,885,300 | 7兆3505億 | +9.8% |
| 12/09 | 4,349 | 4,397 | 4,316 | 4,362 | +0.67% | 3,635,800 | 7兆2442億 | +8.83% |
| 12/08 | 4,280 | 4,355 | 4,253 | 4,333 | +2.12% | 3,803,400 | 7兆1960億 | +8.73% |
| 12/05 | 4,206 | 4,245 | 4,201 | 4,243 | -0.38% | 3,500,700 | 7兆465億 | +7.07% |
| 12/04 | 4,136 | 4,259 | 4,131 | 4,259 | +3.52% | 4,028,300 | 7兆731億 | +8.07% |
| 12/03 | (自社株買い)取締役会(2025年5月2日)での決議状況(取得期間2025年2月6日~2026年1月30日) |
| 12/03 | 4,077 | 4,160 | 4,068 | 4,114 | +1.48% | 4,303,800 | 6兆8323億 | +4.92% |
| 12/02 | 4,060 | 4,084 | 4,042 | 4,054 | -0.12% | 3,072,400 | 6兆7327億 | +3.66% |
| 12/01 | 4,120 | 4,138 | 4,032 | 4,059 | -1.46% | 4,885,500 | 6兆7410億 | +4.1% |
| 12/01 | (IR情報)8:45 自己株式の取得状況に関するお知らせ |
| 11/28 | 4,070 | 4,131 | 4,041 | 4,119 | +0.81% | 4,802,000 | 6兆8406億 | +5.97% |
| 11/27 | 4,074 | 4,124 | 4,051 | 4,086 | +1.24% | 3,982,100 | 6兆7858億 | +5.53% |
| 11/26 | 4,001 | 4,074 | 3,976 | 4,036 | +3.17% | 6,262,200 | 6兆7028億 | +4.67% |
| 11/25 | 3,949 | 3,953 | 3,866 | 3,912 | +2.27% | 6,590,800 | 6兆4968億 | +1.85% |
| 11/21 | 3,750 | 3,842 | 3,740 | 3,825 | +0.92% | 7,779,500 | 6兆3524億 | -0.08% |
| 11/20 | 3,815 | 3,858 | 3,790 | 3,790 | +0.77% | 3,012,600 | 6兆2942億 | -0.76% |
| 11/19 | 3,815 | 3,818 | 3,737 | 3,761 | -0.79% | 4,244,600 | 6兆2461億 | -1.39% |
| 11/18 | 3,916 | 3,935 | 3,785 | 3,791 | -4.03% | 5,065,800 | 6兆2959億 | -0.47% |
| 11/17 | 4,019 | 4,032 | 3,950 | 3,950 | -2.16% | 2,815,800 | 6兆5599億 | +3.7% |
| 11/14 | 4,000 | 4,037 | 3,960 | 4,037 | -0.1% | 3,653,800 | 6兆7044億 | +6.1% |
| 11/13 | 4,011 | 4,052 | 4,009 | 4,041 | +1.18% | 4,362,800 | 6兆7111億 | +6.43% |
| 11/12 | 3,904 | 3,998 | 3,903 | 3,994 | +2.41% | 3,868,500 | 6兆6330億 | +5.38% |
| 11/11 | 3,976 | 3,992 | 3,892 | 3,900 | -0.86% | 3,420,300 | 6兆4769億 | +3.07% |
| 11/10 | 3,992 | 4,013 | 3,921 | 3,934 | -0.53% | 3,894,300 | 6兆5334億 | +4.13% |
| 11/07 | (自社株買い)取締役会(2025年5月2日)での決議状況(取得期間2025年2月6日~2026年1月30日) |
| 11/07 | 3,880 | 3,970 | 3,875 | 3,955 | +0.69% | 4,068,600 | 6兆5682億 | +4.91% |
| 11/06 | 3,882 | 3,934 | 3,862 | 3,928 | +1.39% | 6,767,700 | 6兆5234億 | +4.52% |
| 11/05 | 3,817 | 3,879 | 3,702 | 3,874 | +0.91% | 9,383,500 | 6兆4337億 | +3.33% |
| 11/04 | (IR情報)11:00 2026年3月期第2四半期(中間期)決算短信〔IFRS〕(連結) |
| 11/04 | 3,849 | 3,964 | 3,798 | 3,839 | +1.03% | 14,087,800 | 6兆3756億 | +2.67% |
| 11/04 | (IR情報)8:45 自己株式の取得状況に関するお知らせ |
| 10/31 | 3,800 | 3,812 | 3,746 | 3,800 | +0.77% | 6,846,300 | 6兆3108億 | +1.77% |
| 10/30 | 3,727 | 3,780 | 3,705 | 3,771 | +1.97% | 16,142,700 | 6兆2627億 | +1.1% |
| 10/29 | 3,761 | 3,764 | 3,690 | 3,698 | -1.78% | 4,215,100 | 6兆1414億 | -0.75% |
| 10/28 | 3,839 | 3,846 | 3,765 | 3,765 | -2.16% | 3,076,000 | 6兆2527億 | +1.1% |
| 10/27 | 3,824 | 3,849 | 3,811 | 3,848 | +2.07% | 3,855,600 | 6兆3905億 | +3.5% |
| 10/24 | 3,812 | 3,836 | 3,752 | 3,770 | +0.21% | 3,694,200 | 6兆2610億 | +1.67% |
| 10/23 | 3,739 | 3,775 | 3,712 | 3,762 | +0.72% | 4,024,300 | 6兆2477億 | +1.7% |
| 10/22 | 3,711 | 3,748 | 3,656 | 3,735 | +1.47% | 4,849,800 | 6兆2029億 | +1.14% |
| 10/21 | 3,661 | 3,709 | 3,655 | 3,681 | +0.79% | 4,612,100 | 6兆1132億 | -0.08% |
| 10/20 | 3,645 | 3,661 | 3,614 | 3,652 | +1.5% | 3,712,800 | 6兆650億 | -0.65% |
| 10/17 | 3,580 | 3,601 | 3,570 | 3,598 | -0.17% | 4,431,200 | 5兆9754億 | -1.99% |
| 10/16 | 3,679 | 3,682 | 3,572 | 3,604 | -1.8% | 5,816,400 | 5兆9853億 | -1.72% |
| 10/15 | 3,650 | 3,670 | 3,625 | 3,670 | +1.38% | 4,212,900 | 6兆949億 | +0.14% |
| 10/14 | 3,724 | 3,752 | 3,610 | 3,620 | -4.86% | 8,304,400 | 6兆119億 | -1.01% |
| 10/10 | 3,820 | 3,880 | 3,781 | 3,805 | -1.22% | 5,407,800 | 6兆3191億 | +4.28% |
| 10/09 | 3,852 | 3,872 | 3,819 | 3,852 | +0.29% | 4,935,500 | 6兆3972億 | +6.03% |
| 10/08 | (自社株買い)取締役会(2025年5月2日)での決議状況(取得期間2025年2月6日~2026年1月30日) |
| 10/08 | 3,900 | 3,919 | 3,819 | 3,841 | -0.08% | 5,295,000 | 6兆3789億 | +6.19% |
| 10/07 | 3,898 | 3,907 | 3,834 | 3,844 | -0.57% | 3,992,000 | 6兆3839億 | +6.81% |
| 10/01 | (IR情報)8:45 自己株式の取得状況に関するお知らせ |