| 2016 |
| 11/08 | 10:00 当社株式の上場廃止のお知らせ |
| 11/08 | 906 | 907 | 905 | 906 | +0.11% | 211,000 | 891億2248万 | +0.33% |
| 11/07 | 905 | 906 | 905 | 905 | 0% | 73,000 | 890億2411万 | +0.22% |
| 11/04 | 904 | 906 | 904 | 905 | +0.11% | 65,000 | 890億2411万 | +0.22% |
| 11/02 | 904 | 905 | 904 | 904 | 0% | 132,000 | 889億2574万 | +0.22% |
| 11/01 | 906 | 906 | 904 | 904 | 0% | 128,000 | 889億2574万 | +0.22% |
| 10/31 | 905 | 906 | 904 | 904 | -0.44% | 63,000 | 889億2574万 | +0.22% |
| 10/28 | 904 | 908 | 904 | 908 | +0.44% | 185,000 | 893億1922万 | +0.67% |
| 10/27 | 15:00 災害損失の計上に関するお知らせ |
| 10/27 | 15:00 平成29年3月期第2四半期決算短信〔IFRS〕(連結) |
| 10/27 | 904 | 906 | 904 | 904 | 0% | 90,000 | 889億2574万 | +0.22% |
| 10/26 | 906 | 906 | 904 | 904 | -0.22% | 31,000 | 889億2574万 | +0.22% |
| 10/25 | 904 | 907 | 904 | 906 | +0.22% | 232,000 | 891億2248万 | +0.44% |
| 10/24 | 902 | 905 | 902 | 904 | +0.33% | 98,000 | 889億2574万 | +0.22% |
| 10/21 | 16:00 業績予想の修正に関するお知らせ |
| 10/21 | 901 | 903 | 901 | 901 | 0% | 43,000 | 886億3063万 | -0.11% |
| 10/20 | 901 | 904 | 901 | 901 | -0.33% | 145,000 | 886億3063万 | -0.11% |
| 10/19 | 901 | 904 | 899 | 904 | +0.22% | 249,000 | 889億2574万 | +0.11% |
| 10/18 | 897 | 902 | 897 | 902 | +0.56% | 627,000 | 887億2900万 | -0.11% |
| 10/17 | 896 | 898 | 895 | 897 | +0.11% | 383,000 | 882億3715万 | -0.66% |
| 10/14 | 894 | 897 | 894 | 896 | +0.22% | 336,000 | 881億3879万 | -0.88% |
| 10/13 | 15:00 三菱化学株式会社による当社株式に係る株式売渡請求を行うことの決定、当該株式売渡請求に係る承認及び当社株式の上場廃止に関するお知らせ |
| 10/13 | 898 | 899 | 894 | 894 | -0.33% | 268,000 | 879億4205万 | -1.11% |
| 10/12 | 901 | 902 | 889 | 897 | -0.44% | 356,000 | 882億3715万 | -0.88% |
| 10/11 | 903 | 904 | 901 | 901 | -0.22% | 275,000 | 886億3063万 | -0.44% |
| 10/07 | 903 | 904 | 903 | 903 | -0.22% | 97,000 | 888億2737万 | -0.22% |
| 10/06 | 904 | 905 | 903 | 905 | 0% | 195,000 | 890億2411万 | 0% |
| 10/05 | 904 | 906 | 904 | 905 | +0.11% | 74,000 | 890億2411万 | -0.11% |
| 10/04 | 903 | 904 | 903 | 904 | +0.11% | 100,000 | 889億2574万 | -0.22% |
| 10/03 | 903 | 905 | 903 | 903 | 0% | 79,000 | 888億2737万 | -0.33% |
| 09/30 | 903 | 904 | 903 | 903 | -0.11% | 295,000 | 888億2737万 | -0.33% |
| 09/29 | 903 | 905 | 903 | 904 | +0.22% | 93,000 | 889億2574万 | -0.22% |
| 09/28 | 901 | 903 | 901 | 902 | +0.33% | 153,000 | 887億2900万 | -0.44% |
| 09/27 | 901 | 904 | 899 | 899 | -0.55% | 169,000 | 884億3389万 | -0.77% |
| 09/26 | 903 | 906 | 902 | 904 | +0.11% | 127,000 | 889億2574万 | -0.33% |
| 09/23 | 903 | 905 | 901 | 903 | -0.22% | 163,000 | 888億2737万 | -0.44% |
| 09/21 | 10:00 支配株主である三菱化学株式会社及び三菱化学ヨーロッパ社(Mitsubishi Chemical Europe GmbH)による当社株券等に対する公開買付け結果に関するお知らせ |
| 09/21 | 906 | 909 | 902 | 905 | -0.22% | 139,000 | 890億2411万 | -0.22% |
| 09/20 | 902 | 907 | 902 | 907 | +0.67% | 157,000 | 892億2085万 | 0% |
| 09/16 | 901 | 907 | 899 | 901 | 0% | 158,000 | 886億3063万 | -0.66% |
| 09/15 | 905 | 907 | 898 | 901 | -0.77% | 157,000 | 886億3063万 | -0.66% |
| 09/14 | 908 | 910 | 908 | 908 | -0.22% | 93,000 | 893億1922万 | +0.11% |
| 09/13 | 908 | 910 | 908 | 910 | +0.11% | 260,000 | 895億1595万 | +0.55% |
| 09/12 | 909 | 910 | 907 | 909 | +0.11% | 789,000 | 894億1759万 | +1.34% |
| 09/09 | 908 | 909 | 908 | 908 | 0% | 294,000 | 893億1922万 | +2.6% |
| 09/08 | 908 | 910 | 908 | 908 | 0% | 810,000 | 893億1922万 | +4.01% |
| 09/07 | 908 | 909 | 908 | 908 | 0% | 300,000 | 893億1922万 | +5.58% |
| 09/06 | 908 | 909 | 908 | 908 | 0% | 452,000 | 893億1922万 | +6.95% |
| 09/05 | 908 | 909 | 908 | 908 | 0% | 267,000 | 893億1922万 | +8.48% |
| 09/02 | 908 | 909 | 907 | 908 | +0.11% | 763,000 | 893億1922万 | +9.93% |
| 09/01 | 907 | 908 | 907 | 907 | -0.11% | 621,000 | 892億2085万 | +11.29% |
| 08/31 | 907 | 908 | 907 | 908 | -0.22% | 347,000 | 893億1922万 | +13.08% |
| 08/30 | 907 | 910 | 907 | 910 | +0.33% | 1,022,000 | 895億1595万 | +15.19% |
| 08/29 | 906 | 908 | 906 | 907 | +0.11% | 378,000 | 892億2085万 | +16.73% |
| 08/26 | 906 | 907 | 906 | 906 | 0% | 517,000 | 891億2248万 | +18.59% |
| 08/25 | 906 | 907 | 906 | 906 | 0% | 186,000 | 891億2248万 | +20.64% |
| 08/24 | 907 | 907 | 906 | 906 | -0.11% | 344,000 | 891億2248万 | +22.76% |
| 08/23 | 907 | 908 | 906 | 907 | 0% | 905,000 | 892億2085万 | +25.1% |
| 08/22 | 907 | 908 | 907 | 907 | 0% | 647,000 | 892億2085万 | +27.39% |
| 08/19 | 907 | 908 | 907 | 907 | 0% | 866,000 | 892億2085万 | +29.94% |
| 08/18 | 907 | 908 | 907 | 907 | 0% | 726,000 | 892億2085万 | +32.6% |
| 08/17 | 907 | 908 | 907 | 907 | 0% | 724,000 | 892億2085万 | +35.58% |
| 08/16 | 907 | 908 | 907 | 907 | 0% | 1,614,000 | 892億2085万 | +38.69% |
| 08/15 | 907 | 908 | 907 | 907 | 0% | 1,202,000 | 892億2085万 | +42.39% |
| 08/12 | 906 | 908 | 906 | 907 | +0.11% | 1,984,000 | 892億2085万 | +46.05% |
| 08/10 | 907 | 908 | 906 | 906 | +5.96% | 3,740,000 | 891億2248万 | +49.75% |
| 08/09 | 855 | 855 | 855 | 855 | +21.28% | 77,000 | 841億565万 | +45.16% |
| 08/08 | 705 | 705 | 705 | 705 | +16.53% | 64,000 | 693億5027万 | +22.61% |
| 08/05 | 16:00 支配株主である三菱化学株式会社及びMitsubishi Chemical Europe GmbHによる当社株券等に対する公開買付けの実施及び応募推奨に関するお知らせ |
| 08/05 | 16:00 三菱化学株式会社及びMitsubishi Chemical Europe GmbHによる日本合成化学工業株式会社株券等に対する公開買付けの開始に関するお知らせ |
| 08/05 | 16:00 平成29年3月期配当予想の修正に関するお知らせ |
| 08/05 | 607 | 614 | 601 | 605 | -0.17% | 431,000 | 595億1335万 | +6.51% |
| 08/04 | 595 | 612 | 588 | 606 | +1.68% | 541,000 | 596億1172万 | +7.26% |
| 08/03 | 601 | 609 | 592 | 596 | -2.45% | 242,000 | 586億2803万 | +6.24% |
| 08/02 | 618 | 625 | 610 | 611 | -1.61% | 225,000 | 601億357万 | +9.5% |
| 08/01 | 633 | 633 | 615 | 621 | -3.42% | 382,000 | 610億8726万 | +11.89% |
| 07/29 | 619 | 650 | 619 | 643 | +5.58% | 940,000 | 632億5138万 | +16.49% |
| 07/28 | 15:00 平成29年3月期第1四半期決算短信〔IFRS〕(連結) |
| 07/28 | 623 | 623 | 608 | 609 | -1.46% | 302,000 | 599億683万 | +10.93% |
| 07/27 | 588 | 620 | 588 | 618 | +5.1% | 443,000 | 607億9215万 | +12.77% |
| 07/26 | 590 | 597 | 585 | 588 | -0.84% | 343,000 | 578億4108万 | +7.5% |
| 07/25 | 579 | 598 | 579 | 593 | +3.13% | 395,000 | 583億3292万 | +8.41% |
| 07/22 | 571 | 579 | 571 | 575 | -1.2% | 83,000 | 565億6228万 | +5.5% |
| 07/21 | 581 | 583 | 576 | 582 | +1.75% | 91,000 | 572億5086万 | +6.79% |
| 07/20 | 571 | 575 | 564 | 572 | -2.22% | 209,000 | 562億6717万 | +4.76% |
| 07/19 | 579 | 587 | 571 | 585 | +1.04% | 263,000 | 575億4597万 | +7.14% |
| 07/15 | 567 | 584 | 567 | 579 | +3.02% | 371,000 | 569億5575万 | +6.04% |
| 07/14 | 560 | 573 | 551 | 562 | +0.54% | 231,000 | 552億8348万 | +2.74% |
| 07/13 | 550 | 565 | 544 | 559 | +5.47% | 437,000 | 549億8837万 | +1.64% |
| 07/12 | 521 | 539 | 521 | 530 | +2.32% | 165,000 | 521億3566万 | -4.16% |
| 07/11 | 511 | 523 | 511 | 518 | +3.81% | 185,000 | 509億5523万 | -7% |
| 07/08 | 494 | 508 | 494 | 499 | +1.01% | 264,000 | 490億8622万 | -11.05% |
| 07/07 | 495 | 506 | 493 | 494 | -1.59% | 150,000 | 485億9437万 | -12.72% |
| 07/06 | 507 | 508 | 495 | 502 | -2.71% | 214,000 | 493億8133万 | -12.08% |
| 07/05 | 519 | 519 | 511 | 516 | -0.58% | 259,000 | 507億5849万 | -10.42% |
| 07/04 | 524 | 524 | 514 | 519 | -1.14% | 170,000 | 510億5360万 | -10.82% |
| 07/01 | 529 | 536 | 522 | 525 | +1.16% | 239,000 | 516億4382万 | -10.56% |
| 06/30 | 525 | 527 | 516 | 519 | +0.78% | 177,000 | 510億5360万 | -12.18% |
| 06/29 | 522 | 524 | 503 | 515 | -1.15% | 545,000 | 506億6013万 | -13.59% |
| 06/28 | 521 | 527 | 510 | 521 | -1.51% | 243,000 | 512億5034万 | -13.46% |
| 06/27 | 535 | 540 | 523 | 529 | -1.49% | 380,000 | 520億3729万 | -12.99% |
| 06/24 | 598 | 600 | 535 | 537 | -8.67% | 262,000 | 528億2425万 | -12.68% |
| 06/23 | 579 | 589 | 579 | 588 | +1.55% | 70,000 | 578億4108万 | -5.31% |
| 06/22 | 592 | 592 | 576 | 579 | -2.53% | 119,000 | 569億5575万 | -7.21% |
| 06/21 | 587 | 598 | 576 | 594 | +0.68% | 282,000 | 584億3129万 | -5.26% |
| 06/20 | 557 | 590 | 553 | 590 | +8.66% | 438,000 | 580億3781万 | -6.2% |
| 06/17 | 579 | 596 | 519 | 543 | -5.89% | 1,410,000 | 534億1446万 | -14.08% |
| 06/16 | 592 | 595 | 577 | 577 | -2.2% | 329,000 | 567億5902万 | -9.13% |
| 06/15 | 582 | 597 | 581 | 590 | +0.51% | 207,000 | 580億3781万 | -7.38% |
| 06/14 | 575 | 589 | 573 | 587 | +1.38% | 252,000 | 577億4271万 | -7.99% |
