| 2023 |
| 11/08 | 709 | 709 | 680 | 682 | -3.81% | 200,900 | 336億1621万 | -5.01% |
| 11/07 | 721 | 722 | 709 | 709 | -1.94% | 52,200 | 349億4705万 | -1.66% |
| 11/06 | 725 | 728 | 720 | 723 | +0.28% | 77,800 | 356億3712万 | +0.14% |
| 11/02 | 713 | 721 | 709 | 721 | +1.98% | 109,600 | 355億3854万 | -0.41% |
| 11/01 | 708 | 710 | 703 | 707 | +1.14% | 88,700 | 348億4847万 | -2.48% |
| 10/31 | 683 | 699 | 675 | 699 | +1.75% | 156,200 | 344億5415万 | -3.85% |
| 10/30 | 15:00 第三者割当による自己株式処分に関するお知らせ |
| 10/30 | 706 | 706 | 683 | 687 | -4.72% | 174,200 | 338億6266万 | -5.76% |
| 10/27 | 20:00 当社米国子会社WG社等のチャプター11申請に関するお知らせ |
| 10/27 | 20:00 2023年12月期第3四半期決算短信〔日本基準〕(連結) |
| 10/27 | 715 | 721 | 711 | 721 | +2.12% | 83,900 | 355億3854万 | -1.37% |
| 10/26 | 711 | 715 | 704 | 706 | -0.56% | 53,800 | 347億9918万 | -3.55% |
| 10/25 | 711 | 717 | 710 | 710 | 0% | 40,700 | 349億9634万 | -3.27% |
| 10/24 | 718 | 718 | 702 | 710 | -0.7% | 61,200 | 349億9634万 | -3.53% |
| 10/23 | 15:00 当社の温室効果ガス排出削減目標がSBT認定を取得 |
| 10/23 | 718 | 722 | 715 | 715 | -0.42% | 45,100 | 352億4280万 | -3.12% |
| 10/20 | 718 | 722 | 717 | 718 | -0.42% | 38,100 | 353億9067万 | -2.84% |
| 10/19 | 718 | 724 | 718 | 721 | -0.41% | 35,400 | 355億3854万 | -2.7% |
| 10/18 | 725 | 726 | 720 | 724 | +0.14% | 33,800 | 356億8641万 | -2.43% |
| 10/17 | 729 | 731 | 721 | 723 | +0.14% | 23,200 | 356億3712万 | -2.69% |
| 10/16 | 729 | 731 | 721 | 722 | -1.23% | 42,300 | 355億8783万 | -2.96% |
| 10/13 | 741 | 741 | 729 | 731 | -1.88% | 41,000 | 360億3145万 | -2.01% |
| 10/12 | 734 | 745 | 733 | 745 | +1.5% | 42,000 | 367億2152万 | -0.13% |
| 10/11 | 738 | 738 | 734 | 734 | -1.08% | 27,100 | 361億7932万 | -1.74% |
| 10/10 | 737 | 745 | 735 | 742 | +1.78% | 57,400 | 365億7364万 | -0.67% |
| 10/06 | 726 | 734 | 722 | 729 | +0.83% | 54,700 | 359億3287万 | -2.54% |
| 10/05 | 717 | 728 | 717 | 723 | +1.26% | 80,700 | 356億3712万 | -3.34% |
| 10/04 | 725 | 728 | 713 | 714 | -2.86% | 101,800 | 351億9351万 | -4.67% |
| 10/03 | 750 | 750 | 735 | 735 | -2% | 87,900 | 362億2861万 | -1.87% |
| 10/02 | 757 | 764 | 750 | 750 | -0.13% | 76,200 | 369億6797万 | +0.13% |
| 09/29 | 15:00 建材の岡部株式会社 創業106年で初の統合報告書を発行 |
| 09/29 | 759 | 761 | 750 | 751 | -0.79% | 44,900 | 370億1726万 | +0.27% |
| 09/28 | 760 | 762 | 753 | 757 | -0.13% | 67,400 | 373億1300万 | +1.2% |
| 09/27 | 747 | 760 | 742 | 758 | +1.2% | 103,200 | 373億6229万 | +1.47% |
| 09/26 | 745 | 750 | 741 | 749 | 0% | 79,800 | 369億1868万 | +0.54% |
| 09/25 | 746 | 750 | 744 | 749 | +0.4% | 93,400 | 369億1868万 | +0.67% |
| 09/22 | 750 | 750 | 742 | 746 | -0.53% | 76,700 | 367億7081万 | +0.4% |
| 09/21 | 751 | 756 | 749 | 750 | 0% | 42,800 | 369億6797万 | +0.94% |
| 09/20 | 760 | 762 | 750 | 750 | -1.32% | 62,400 | 369億6797万 | +1.08% |
| 09/19 | 750 | 760 | 750 | 760 | +0.93% | 59,900 | 374億6088万 | +2.56% |
| 09/15 | 753 | 755 | 751 | 753 | +0.53% | 71,700 | 371億1584万 | +1.89% |
| 09/14 | 750 | 753 | 746 | 749 | +0.13% | 58,600 | 369億1868万 | +1.49% |
| 09/13 | 755 | 758 | 746 | 748 | -1.06% | 68,700 | 368億6939万 | +1.49% |
| 09/12 | 755 | 756 | 753 | 756 | +0.27% | 18,800 | 372億6371万 | +2.72% |
| 09/11 | 751 | 755 | 751 | 754 | +0.53% | 26,300 | 371億6513万 | +2.72% |
| 09/08 | 755 | 757 | 747 | 750 | -0.66% | 75,500 | 369億6797万 | +2.46% |
| 09/07 | 755 | 759 | 754 | 755 | 0% | 70,300 | 372億1442万 | +3.42% |
| 09/06 | 752 | 755 | 750 | 755 | +0.4% | 32,400 | 372億1442万 | +3.57% |
| 09/05 | 750 | 752 | 745 | 752 | 0% | 56,800 | 370億6655万 | +3.3% |
| 09/04 | 750 | 753 | 748 | 752 | +0.67% | 51,500 | 370億6655万 | +3.44% |
| 09/01 | 740 | 747 | 739 | 747 | +1.36% | 58,100 | 368億2010万 | +2.89% |
| 08/31 | 735 | 740 | 735 | 737 | 0% | 55,800 | 363億2719万 | +1.52% |
| 08/30 | 736 | 738 | 735 | 737 | +0.27% | 31,300 | 363億2719万 | +1.52% |
| 08/29 | 736 | 739 | 732 | 735 | -0.14% | 28,300 | 362億2861万 | +1.24% |
| 08/28 | 735 | 740 | 731 | 736 | +0.68% | 55,400 | 362億7790万 | +1.24% |
| 08/25 | 725 | 731 | 725 | 731 | -0.14% | 29,100 | 360億3145万 | +0.55% |
| 08/24 | 727 | 732 | 725 | 732 | +0.55% | 33,100 | 360億8074万 | +0.55% |
| 08/23 | 724 | 728 | 721 | 728 | +0.55% | 34,200 | 358億8358万 | 0% |
| 08/22 | 723 | 724 | 720 | 724 | +0.42% | 32,000 | 356億8641万 | -0.69% |
| 08/21 | 721 | 728 | 720 | 721 | -0.28% | 40,900 | 355億3854万 | -1.1% |
| 08/18 | 725 | 729 | 720 | 723 | -0.69% | 68,000 | 356億3712万 | -0.96% |
| 08/17 | 725 | 728 | 718 | 728 | +0.28% | 46,300 | 358億8358万 | -0.27% |
| 08/16 | 726 | 729 | 723 | 726 | -0.14% | 29,500 | 357億8499万 | -0.55% |
| 08/15 | 725 | 727 | 721 | 727 | +0.14% | 32,800 | 358億3428万 | -0.41% |
| 08/14 | 727 | 728 | 723 | 726 | +0.41% | 30,800 | 357億8499万 | -0.68% |
| 08/10 | 713 | 723 | 712 | 723 | +0.84% | 48,600 | 356億3712万 | -1.09% |
| 08/09 | 715 | 717 | 708 | 717 | 0% | 24,200 | 353億4138万 | -1.92% |
| 08/08 | 712 | 718 | 712 | 717 | +0.84% | 28,600 | 353億4138万 | -1.92% |
| 08/07 | 709 | 712 | 703 | 711 | +0.14% | 48,900 | 350億4563万 | -2.87% |
| 08/04 | 706 | 712 | 706 | 710 | +0.42% | 54,800 | 349億9634万 | -3.14% |
| 08/03 | 718 | 720 | 705 | 707 | -1.94% | 81,200 | 348億4847万 | -3.81% |
| 08/02 | 721 | 728 | 718 | 721 | -0.69% | 52,300 | 355億3854万 | -2.17% |
| 08/01 | 727 | 731 | 718 | 726 | +0.28% | 87,300 | 357億8499万 | -1.76% |
| 07/31 | 727 | 738 | 720 | 724 | -0.69% | 100,700 | 356億8641万 | -2.16% |
| 07/28 | 15:00 特別損失の計上及び2023年12月期第2四半期連結累計期間業績予想と実績との差異並びに通期連結業績予想の修正に関するお知らせ |
| 07/28 | 15:00 2023年12月期第2四半期決算短信〔日本基準〕(連結) |
| 07/28 | 746 | 746 | 729 | 729 | -2.02% | 563,600 | 359億3287万 | -1.75% |
| 07/27 | 746 | 747 | 740 | 744 | -0.27% | 63,300 | 366億7223万 | 0% |
| 07/26 | 749 | 752 | 745 | 746 | -0.27% | 72,700 | 367億7081万 | 0% |
| 07/25 | 750 | 755 | 745 | 748 | -0.27% | 52,300 | 368億6939万 | 0% |
| 07/24 | 752 | 754 | 747 | 750 | +0.81% | 71,900 | 369億6797万 | 0% |
| 07/21 | 744 | 748 | 741 | 744 | +0.13% | 36,300 | 366億7223万 | -1.06% |
| 07/20 | 747 | 753 | 741 | 743 | -0.54% | 43,600 | 366億2293万 | -1.33% |
| 07/19 | 748 | 749 | 743 | 747 | +0.27% | 55,100 | 368億2010万 | -1.06% |
| 07/18 | 732 | 745 | 732 | 745 | +1.64% | 66,800 | 367億2152万 | -1.59% |
| 07/14 | 739 | 740 | 727 | 733 | +0.14% | 53,800 | 361億3003万 | -3.3% |
| 07/13 | 733 | 736 | 727 | 732 | +0.41% | 57,700 | 360億8074万 | -3.68% |
| 07/12 | 731 | 734 | 725 | 729 | +0.55% | 50,100 | 359億3287万 | -4.33% |
| 07/11 | 733 | 735 | 724 | 725 | -0.96% | 81,700 | 357億3570万 | -5.1% |
| 07/10 | 737 | 739 | 730 | 732 | -0.68% | 107,000 | 360億8074万 | -4.44% |
| 07/07 | 728 | 744 | 724 | 737 | +0.96% | 121,600 | 363億2719万 | -4.04% |
| 07/06 | 724 | 730 | 720 | 730 | +0.69% | 99,700 | 359億8216万 | -5.07% |
| 07/05 | 725 | 727 | 719 | 725 | -0.55% | 96,600 | 357億3570万 | -5.84% |
| 07/04 | 739 | 740 | 729 | 729 | -1.35% | 95,700 | 359億3287万 | -5.45% |
| 07/03 | 737 | 743 | 736 | 739 | +0.68% | 67,700 | 364億2577万 | -4.4% |
| 06/30 | 748 | 751 | 734 | 734 | -1.87% | 96,600 | 361億7932万 | -5.29% |
| 06/29 | 750 | 756 | 745 | 748 | -2.35% | 169,500 | 368億6939万 | -3.73% |
| 06/28 | 763 | 766 | 760 | 766 | +0.66% | 225,000 | 377億5662万 | -1.54% |
| 06/27 | 766 | 769 | 761 | 761 | -0.13% | 89,400 | 375億1017万 | -2.31% |
| 06/26 | 770 | 773 | 757 | 762 | -0.39% | 83,400 | 375億5946万 | -2.31% |
| 06/23 | 765 | 779 | 762 | 765 | -3.77% | 291,600 | 377億733万 | -2.17% |
| 06/22 | 15:00 2023年12月期通期連結業績予想の修正に関するお知らせ |
| 06/22 | 15:00 米国における当社及び当社米国子会社に対する訴訟の提起に関するお知らせ |
| 06/22 | 796 | 799 | 792 | 795 | 0% | 45,600 | 391億8605万 | +1.53% |
| 06/21 | 789 | 798 | 789 | 795 | +0.63% | 51,500 | 391億8605万 | +1.53% |
| 06/20 | 793 | 793 | 786 | 790 | -0.38% | 48,200 | 389億3959万 | +0.89% |
| 06/19 | 795 | 795 | 786 | 793 | +0.25% | 52,300 | 390億8747万 | +1.28% |
| 06/16 | 792 | 795 | 787 | 791 | +0.25% | 87,800 | 389億8888万 | +1.02% |
| 06/15 | 784 | 794 | 783 | 789 | +0.64% | 42,100 | 388億9030万 | +0.77% |
