| 2018 |
| 11/09 | 690 | 690 | 690 | 690 | 0% | 400 | 136億819万 | +0.29% |
| 11/08 | 690 | 690 | 690 | 690 | 0% | 800 | 136億819万 | +0.29% |
| 11/05 | 700 | 700 | 690 | 690 | 0% | 4,600 | 136億819万 | +0.29% |
| 11/02 | 700 | 700 | 690 | 690 | -0.72% | 1,500 | 136億819万 | +0.15% |
| 11/01 | 695 | 700 | 695 | 695 | +0.72% | 1,200 | 137億680万 | +0.87% |
| 10/31 | 690 | 690 | 685 | 690 | 0% | 1,400 | 136億819万 | +0.29% |
| 10/25 | 16:30 平成31年3月期第2四半期決算短信〔日本基準〕(連結) |
| 10/25 | 16:30 吸収合併および吸収分割契約締結時期の変更に関するお知らせ |
| 10/24 | 690 | 690 | 690 | 690 | -1.43% | 300 | 136億819万 | +0.44% |
| 10/22 | 700 | 700 | 700 | 700 | 0% | 4,900 | 138億541万 | +2.04% |
| 10/19 | 690 | 700 | 690 | 700 | +1.6% | 600 | 138億541万 | +2.19% |
| 10/18 | 689 | 689 | 689 | 689 | +1.32% | 600 | 135億8847万 | +0.58% |
| 10/16 | 688 | 688 | 680 | 680 | -2.58% | 900 | 134億1097万 | -0.73% |
| 10/15 | 698 | 698 | 698 | 698 | +2.95% | 800 | 137億6597万 | +1.9% |
| 10/10 | 678 | 678 | 678 | 678 | -2.87% | 400 | 133億7153万 | -0.88% |
| 10/09 | 681 | 698 | 681 | 698 | -0.14% | 300 | 137億6597万 | +2.05% |
| 10/05 | 699 | 699 | 699 | 699 | -0.14% | 3,700 | 137億8569万 | +2.34% |
| 10/04 | 690 | 700 | 690 | 700 | +2.49% | 1,600 | 138億541万 | +2.49% |
| 10/02 | 682 | 683 | 682 | 683 | +0.44% | 1,300 | 134億7014万 | 0% |
| 10/01 | 680 | 680 | 680 | 680 | -0.44% | 300 | 134億1097万 | -0.44% |
| 09/28 | 691 | 691 | 683 | 683 | +0.44% | 900 | 134億7014万 | 0% |
| 09/26 | 680 | 680 | 680 | 680 | 0% | 200 | 134億1097万 | -0.29% |
| 09/25 | 692 | 692 | 680 | 680 | -0.29% | 5,300 | 134億1097万 | -0.44% |
| 09/21 | 682 | 682 | 682 | 682 | +0.29% | 700 | 134億5042万 | -0.15% |
| 09/18 | 681 | 682 | 677 | 680 | 0% | 4,000 | 134億1097万 | -0.44% |
| 09/14 | 700 | 700 | 680 | 680 | -0.73% | 3,400 | 134億1097万 | -0.29% |
| 09/13 | 680 | 685 | 680 | 685 | -0.72% | 600 | 135億958万 | +0.44% |
| 09/12 | 715 | 715 | 690 | 690 | +1.17% | 1,200 | 136億819万 | +1.32% |
| 09/11 | 715 | 715 | 682 | 682 | -4.62% | 1,800 | 134億5042万 | +0.29% |
| 09/10 | 700 | 715 | 700 | 715 | +4.53% | 9,900 | 141億124万 | +4.99% |
| 09/07 | 733 | 760 | 681 | 684 | +0.15% | 8,900 | 134億8986万 | +0.59% |
| 09/05 | 685 | 685 | 683 | 683 | +4.27% | 3,900 | 134億7014万 | +0.74% |
| 09/04 | 677 | 678 | 655 | 655 | -2.96% | 2,000 | 129億1792万 | -3.25% |
| 08/29 | 675 | 675 | 675 | 675 | +0.15% | 2,000 | 133億1236万 | -0.3% |
| 08/24 | 674 | 674 | 674 | 674 | -0.88% | 200 | 132億9264万 | -0.44% |
| 08/23 | 681 | 681 | 680 | 680 | -1.45% | 400 | 134億1097万 | +0.44% |
| 08/22 | 690 | 690 | 690 | 690 | +1.47% | 4,900 | 136億819万 | +1.92% |
| 08/20 | 681 | 681 | 680 | 680 | +0.89% | 600 | 134億1097万 | +0.29% |
| 08/17 | 674 | 674 | 674 | 674 | -0.88% | 500 | 132億9264万 | -0.59% |
| 08/16 | 674 | 680 | 674 | 680 | -1.45% | 1,400 | 134億1097万 | +0.15% |
| 08/15 | 699 | 699 | 690 | 690 | -1.43% | 1,400 | 136億819万 | +1.62% |
| 08/03 | 700 | 700 | 700 | 700 | +1.45% | 3,800 | 138億541万 | +3.09% |
| 08/02 | 690 | 690 | 690 | 690 | +1.47% | 100 | 136億819万 | +1.62% |
| 07/31 | 682 | 682 | 672 | 680 | -0.15% | 1,200 | 134億1097万 | +0.29% |
| 07/27 | 681 | 681 | 681 | 681 | +1.64% | 300 | 134億3070万 | +0.29% |
| 07/26 | 16:30 平成31年3月期第1四半期決算短信〔日本基準〕(連結) |
| 07/24 | 670 | 670 | 670 | 670 | -4.29% | 1,000 | 132億1375万 | -1.33% |
| 07/23 | 700 | 700 | 700 | 700 | +2.94% | 23,400 | 138億541万 | +3.09% |
| 07/20 | 679 | 690 | 679 | 680 | +1.64% | 11,300 | 134億1097万 | +0.15% |
| 07/19 | 669 | 669 | 669 | 669 | +1.67% | 200 | 131億9403万 | -1.47% |
| 07/18 | 658 | 658 | 658 | 658 | -2.81% | 500 | 129億7709万 | -3.24% |
| 07/13 | 687 | 687 | 677 | 677 | +1.5% | 800 | 133億5181万 | -0.59% |
| 07/11 | 667 | 667 | 667 | 667 | 0% | 100 | 131億5459万 | -2.06% |
| 07/10 | 667 | 667 | 667 | 667 | -4.58% | 600 | 131億5459万 | -2.2% |
| 07/05 | 699 | 699 | 699 | 699 | +1.3% | 14,800 | 137億8569万 | +2.34% |
| 07/04 | 665 | 690 | 665 | 690 | +6.15% | 500 | 136億819万 | +1.17% |
| 07/03 | 650 | 660 | 650 | 650 | 0% | 600 | 128億1931万 | -4.69% |
| 07/02 | 650 | 650 | 650 | 650 | 0% | 200 | 128億1931万 | -4.83% |
| 06/29 | 670 | 670 | 650 | 650 | -4.41% | 2,600 | 128億1931万 | -5.11% |
| 06/28 | 16:00 役員人事に関するお知らせ |
| 06/28 | 690 | 690 | 680 | 680 | -0.15% | 7,500 | 134億1097万 | -0.87% |
| 06/26 | 681 | 681 | 681 | 681 | +0.74% | 100 | 134億3070万 | -0.87% |
| 06/22 | 703 | 703 | 676 | 676 | -3.98% | 6,400 | 133億3209万 | -1.6% |
| 06/21 | 681 | 704 | 680 | 704 | +2.18% | 500 | 138億8430万 | +2.47% |
| 06/20 | 685 | 689 | 685 | 689 | -0.58% | 1,200 | 135億8847万 | +0.29% |
| 06/19 | 693 | 693 | 693 | 693 | -0.29% | 1,700 | 136億6736万 | +0.87% |
| 06/15 | 695 | 695 | 695 | 695 | +0.87% | 700 | 137億680万 | +1.16% |
| 06/13 | 16:00 執行役員の任用および委嘱業務ならびに関連人事等に関するお知らせ |
| 06/08 | 689 | 689 | 689 | 689 | -0.14% | 10,300 | 135億8847万 | +0.44% |
| 06/07 | 685 | 690 | 685 | 690 | +2.22% | 6,100 | 136億819万 | +0.58% |
| 06/05 | 690 | 690 | 675 | 675 | -2.17% | 6,600 | 133億1236万 | -1.6% |
| 06/04 | 688 | 690 | 688 | 690 | +1.47% | 4,200 | 136億819万 | +0.44% |
| 05/30 | 16:30 ほくでんグループの再編(配電事業の統合)に向けた基本合意締結について |
| 05/29 | 688 | 688 | 680 | 680 | -1.16% | 4,000 | 134億1097万 | -1.02% |
| 05/28 | 688 | 688 | 688 | 688 | +0.88% | 100 | 135億6875万 | +0.15% |
| 05/23 | 16:30 執行役員の任用および委嘱業務に関するお知らせ |
| 05/23 | 16:30 支配株主等に関する事項について |
| 05/23 | 682 | 682 | 682 | 682 | -1.16% | 300 | 134億5042万 | -0.73% |
| 05/22 | 690 | 690 | 690 | 690 | +0.58% | 5,000 | 136億819万 | +0.29% |
| 05/21 | 688 | 688 | 686 | 686 | -0.29% | 2,400 | 135億2931万 | -0.29% |
| 05/18 | 690 | 690 | 688 | 688 | 0% | 4,400 | 135億6875万 | -0.29% |
| 05/17 | 690 | 690 | 688 | 688 | -0.29% | 2,800 | 135億6875万 | -0.43% |
| 05/16 | 690 | 690 | 690 | 690 | 0% | 2,300 | 136億819万 | -0.29% |
| 05/15 | 694 | 694 | 690 | 690 | +2.22% | 1,500 | 136億819万 | -0.29% |
| 05/14 | 675 | 675 | 675 | 675 | 0% | 400 | 133億1236万 | -2.6% |
| 05/11 | 675 | 675 | 675 | 675 | -1.32% | 100 | 133億1236万 | -2.6% |
| 05/08 | 689 | 689 | 684 | 684 | -0.87% | 3,700 | 134億8986万 | -1.44% |
| 05/07 | 690 | 690 | 690 | 690 | -0.14% | 500 | 136億819万 | -0.58% |
| 05/02 | 710 | 710 | 691 | 691 | +0.14% | 4,100 | 136億2792万 | -0.43% |
| 05/01 | 687 | 700 | 687 | 690 | +0.44% | 3,600 | 136億819万 | -0.58% |
| 04/27 | 17:00 役員人事に関するお知らせ |
| 04/27 | 17:00 平成30年3月期決算短信〔日本基準〕(連結) |
| 04/27 | 686 | 688 | 686 | 687 | +0.15% | 400 | 135億4903万 | -0.87% |
| 04/26 | 689 | 690 | 686 | 686 | 0% | 900 | 135億2931万 | -1.01% |
| 04/25 | 688 | 688 | 686 | 686 | -0.29% | 800 | 135億2931万 | -0.87% |
| 04/24 | 690 | 690 | 688 | 688 | -0.29% | 900 | 135億6875万 | -0.43% |
| 04/23 | 701 | 701 | 690 | 690 | -0.14% | 6,300 | 136億819万 | 0% |
| 04/20 | 690 | 691 | 690 | 691 | +0.58% | 400 | 136億2792万 | +0.29% |
| 04/19 | 687 | 687 | 687 | 687 | -0.43% | 400 | 135億4903万 | -0.15% |
| 04/18 | 690 | 691 | 690 | 690 | +0.44% | 2,000 | 136億819万 | +0.15% |
| 04/17 | 691 | 691 | 685 | 687 | -0.58% | 500 | 135億4903万 | -0.15% |
| 04/16 | 690 | 691 | 685 | 691 | +0.14% | 7,400 | 136億2792万 | +0.58% |
| 04/13 | 715 | 715 | 690 | 690 | -0.72% | 1,400 | 136億819万 | +0.58% |
| 04/12 | 685 | 695 | 685 | 695 | +0.72% | 300 | 137億680万 | +1.46% |
| 04/11 | 703 | 730 | 690 | 690 | -1.85% | 2,100 | 136億819万 | +0.73% |
| 04/10 | 703 | 703 | 703 | 703 | -3.7% | 400 | 138億6458万 | +2.48% |
| 04/06 | 729 | 730 | 729 | 730 | +1.25% | 1,200 | 143億9707万 | +6.57% |
| 04/05 | 721 | 721 | 721 | 721 | +3% | 2,900 | 142億1958万 | +5.56% |
| 04/03 | 700 | 700 | 690 | 700 | 0% | 1,300 | 138億541万 | +2.79% |
| 04/02 | 700 | 700 | 700 | 700 | 0% | 200 | 138億541万 | +3.09% |
