| 2015 |
| 08/11 | 1,740 | 1,761 | 1,661 | 1,664 | -3.31% | 31,000 | 504億7920万 | -5.24% |
| 08/10 | (IR情報)16:30 業績予想との差異に関するお知らせ |
| 08/10 | (IR情報)16:30 子会社の吸収合併(簡易合併・略式合併)に関するお知らせ |
| 08/10 | (IR情報)16:30 平成27年12月期第2四半期決算短信〔日本基準〕(連結) |
| 08/10 | 1,667 | 1,727 | 1,667 | 1,721 | +1.65% | 15,500 | 522億836万 | -2.27% |
| 08/07 | 1,702 | 1,736 | 1,668 | 1,693 | -2.36% | 28,000 | 513億5895万 | -4.02% |
| 08/06 | 1,740 | 1,781 | 1,696 | 1,734 | -1.48% | 22,300 | 526億272万 | -2.09% |
| 08/05 | 1,724 | 1,826 | 1,724 | 1,760 | +1.62% | 20,000 | 533億9146万 | -0.85% |
| 08/04 | 1,768 | 1,771 | 1,716 | 1,732 | -1.93% | 18,600 | 525億4205万 | -2.81% |
| 08/03 | 1,779 | 1,792 | 1,751 | 1,766 | -0.73% | 8,500 | 535億7348万 | -1.12% |
| 07/31 | 1,746 | 1,793 | 1,746 | 1,779 | +2.77% | 14,200 | 539億6785万 | -0.61% |
| 07/30 | 1,720 | 1,755 | 1,713 | 1,731 | -0.29% | 14,100 | 525億1172万 | -3.4% |
| 07/29 | 1,727 | 1,783 | 1,720 | 1,736 | +1.58% | 21,500 | 526億6340万 | -3.18% |
| 07/28 | 1,708 | 1,721 | 1,682 | 1,709 | -0.7% | 28,300 | 518億4432万 | -4.53% |
| 07/27 | 1,795 | 1,797 | 1,705 | 1,721 | -4.02% | 24,300 | 522億836万 | -3.75% |
| 07/24 | 1,800 | 1,846 | 1,790 | 1,793 | -1.05% | 15,200 | 543億9255万 | +0.45% |
| 07/23 | 1,821 | 1,829 | 1,784 | 1,812 | -0.44% | 14,900 | 549億6894万 | +1.91% |
| 07/22 | 1,848 | 1,848 | 1,806 | 1,820 | -1.78% | 15,900 | 552億1163万 | +2.82% |
| 07/21 | 1,902 | 1,923 | 1,830 | 1,853 | +1.7% | 62,500 | 562億1272万 | +5.22% |
| 07/17 | 1,837 | 1,840 | 1,766 | 1,822 | -0.98% | 26,700 | 552億7230万 | +4% |
| 07/16 | 1,758 | 1,873 | 1,753 | 1,840 | +3.72% | 41,100 | 558億1835万 | +5.57% |
| 07/15 | 1,799 | 1,808 | 1,756 | 1,774 | -1.39% | 21,200 | 538億1617万 | +2.37% |
| 07/14 | 1,793 | 1,800 | 1,762 | 1,799 | +2.62% | 20,600 | 545億7457万 | +4.23% |
| 07/13 | 1,728 | 1,778 | 1,699 | 1,753 | +1.62% | 32,100 | 531億7911万 | +2.04% |
| 07/10 | 1,694 | 1,734 | 1,690 | 1,725 | +2.01% | 39,600 | 523億2970万 | +0.7% |
| 07/09 | 1,671 | 1,699 | 1,631 | 1,691 | -0.24% | 32,600 | 512億9827万 | -1.05% |
| 07/08 | 1,765 | 1,765 | 1,683 | 1,695 | -4.07% | 32,800 | 514億1962万 | -0.64% |
| 07/07 | 1,797 | 1,801 | 1,749 | 1,767 | -1.67% | 19,400 | 536億381万 | +3.88% |
| 07/06 | 1,796 | 1,804 | 1,780 | 1,797 | -0.61% | 21,300 | 545億1390万 | +6.08% |
| 07/03 | 1,890 | 1,890 | 1,802 | 1,808 | -2.22% | 18,200 | 548億4759万 | +7.3% |
| 07/02 | 1,850 | 1,880 | 1,774 | 1,849 | -0.05% | 66,100 | 560億9137万 | +10.26% |
| 07/01 | 1,926 | 1,927 | 1,824 | 1,850 | -3.95% | 57,900 | 561億2171万 | +10.98% |
| 06/30 | 1,840 | 1,930 | 1,831 | 1,926 | +4.79% | 115,100 | 584億2725万 | +16.16% |
| 06/29 | 1,822 | 1,883 | 1,822 | 1,838 | -1.82% | 70,800 | 557億5768万 | +11.66% |
| 06/26 | 1,803 | 1,980 | 1,803 | 1,872 | +3.54% | 153,900 | 567億8910万 | +14.29% |
| 06/25 | 1,769 | 1,818 | 1,769 | 1,808 | +2.73% | 59,800 | 548億4759万 | +10.99% |
| 06/24 | 1,689 | 1,768 | 1,678 | 1,760 | +5.33% | 64,200 | 533億9146万 | +8.51% |
| 06/23 | 1,654 | 1,673 | 1,640 | 1,671 | +1.09% | 47,800 | 506億9155万 | +3.34% |
| 06/22 | 1,655 | 1,668 | 1,624 | 1,653 | -0.3% | 25,400 | 501億4550万 | +2.29% |
| 06/19 | 1,602 | 1,658 | 1,590 | 1,658 | +3.24% | 77,900 | 502億9718万 | +2.6% |
| 06/18 | 1,612 | 1,635 | 1,582 | 1,606 | -0.37% | 36,200 | 487億1971万 | -0.5% |
| 06/17 | 1,620 | 1,650 | 1,607 | 1,612 | +0.37% | 23,700 | 489億173万 | -0.06% |
| 06/16 | 1,601 | 1,615 | 1,582 | 1,606 | -0.5% | 11,100 | 487億1971万 | -0.25% |
| 06/15 | 1,596 | 1,629 | 1,595 | 1,614 | +0.5% | 41,200 | 489億6240万 | +0.44% |
| 06/12 | 1,591 | 1,636 | 1,587 | 1,606 | +0.94% | 41,800 | 487億1971万 | +0.12% |
| 06/11 | 1,586 | 1,600 | 1,583 | 1,591 | +0.32% | 10,800 | 482億6467万 | -0.56% |
| 06/10 | 1,590 | 1,637 | 1,586 | 1,586 | -0.81% | 18,900 | 481億1299万 | -0.69% |
| 06/09 | 1,620 | 1,627 | 1,599 | 1,599 | -2.86% | 20,900 | 485億736万 | +0.38% |
| 06/08 | 1,627 | 1,650 | 1,621 | 1,646 | +1.48% | 16,600 | 499億3315万 | +3.52% |
| 06/05 | 1,563 | 1,625 | 1,563 | 1,622 | +1.31% | 31,600 | 492億509万 | +2.33% |
| 06/04 | 1,600 | 1,616 | 1,574 | 1,601 | +0.82% | 13,400 | 485億6803万 | +1.27% |
| 06/03 | 1,557 | 1,595 | 1,557 | 1,588 | +1.08% | 18,100 | 481億7366万 | +0.7% |
| 06/02 | 1,587 | 1,593 | 1,553 | 1,571 | -0.44% | 16,800 | 476億5795万 | -0.19% |
| 06/01 | 1,587 | 1,606 | 1,576 | 1,578 | -2.05% | 21,900 | 478億7030万 | +0.45% |
| 05/29 | 1,602 | 1,618 | 1,599 | 1,611 | +0.56% | 17,800 | 488億7139万 | +2.74% |
| 05/28 | 1,612 | 1,620 | 1,602 | 1,602 | -1.42% | 15,100 | 485億9836万 | +2.5% |
| 05/27 | 1,608 | 1,635 | 1,603 | 1,625 | -0.43% | 17,800 | 492億9609万 | +4.23% |
| 05/26 | 1,628 | 1,640 | 1,616 | 1,632 | -0.61% | 11,400 | 495億845万 | +5.02% |
| 05/25 | 1,642 | 1,648 | 1,616 | 1,642 | 0% | 15,900 | 498億1181万 | +6% |
| 05/22 | 1,641 | 1,650 | 1,637 | 1,642 | +1.48% | 21,800 | 498億1181万 | +6.42% |
| 05/21 | 1,640 | 1,660 | 1,530 | 1,618 | -1.94% | 35,700 | 490億8374万 | +5.27% |
| 05/20 | 1,647 | 1,653 | 1,628 | 1,650 | +0.18% | 18,400 | 500億5450万 | +7.63% |
| 05/19 | 1,622 | 1,661 | 1,622 | 1,647 | +0.55% | 65,900 | 499億6349万 | +7.79% |
| 05/18 | 1,600 | 1,638 | 1,600 | 1,638 | +1.17% | 33,700 | 496億9046万 | +7.41% |
| 05/15 | 1,585 | 1,620 | 1,577 | 1,619 | +1.82% | 41,800 | 491億1408万 | +6.44% |
| 05/14 | 1,580 | 1,609 | 1,525 | 1,590 | +3.58% | 56,900 | 482億3433万 | +4.81% |
| 05/13 | (IR情報)16:00 平成27年12月期第1四半期決算短信〔日本基準〕(連結) |
| 05/13 | 1,522 | 1,540 | 1,506 | 1,535 | +0.85% | 21,000 | 465億6585万 | +1.25% |
| 05/12 | 1,512 | 1,539 | 1,500 | 1,522 | -0.65% | 21,900 | 461億7148万 | +0.33% |
| 05/11 | 1,540 | 1,563 | 1,505 | 1,532 | +0.52% | 36,200 | 464億7484万 | +0.99% |
| 05/08 | 1,499 | 1,539 | 1,494 | 1,524 | +1.67% | 44,700 | 462億3215万 | +0.53% |
| 05/07 | 1,508 | 1,509 | 1,494 | 1,499 | +0.2% | 21,300 | 454億7375万 | -1.06% |
| 05/01 | 1,500 | 1,514 | 1,488 | 1,496 | -0.93% | 25,400 | 453億8274万 | -1.19% |
| 04/30 | 1,544 | 1,548 | 1,500 | 1,510 | -2.01% | 18,800 | 458億745万 | -0.2% |
| 04/28 | 1,542 | 1,578 | 1,523 | 1,541 | +2.32% | 40,500 | 467億4787万 | +1.85% |
| 04/27 | (IR情報)10:30 ストックオプション(新株予約権)の発行内容確定に関するお知らせ |
| 04/27 | 1,502 | 1,510 | 1,496 | 1,506 | +0.27% | 13,300 | 456億8610万 | -0.4% |
| 04/24 | 1,501 | 1,529 | 1,489 | 1,502 | -0.92% | 31,100 | 455億6476万 | -0.73% |
| 04/24 | (空売り報告)Societe Generale 12,100株(0.03%)-0.52%義務消失 |
| 04/23 | 1,508 | 1,540 | 1,501 | 1,516 | +1% | 25,100 | 459億8946万 | +0.13% |
| 04/23 | (空売り報告)Societe Generale 167,100株(0.55%)新規 |
| 04/22 | 1,500 | 1,508 | 1,497 | 1,501 | +0.07% | 18,200 | 455億3442万 | -0.79% |
| 04/21 | 1,500 | 1,503 | 1,485 | 1,500 | +0.33% | 53,300 | 455億409万 | -0.92% |
| 04/20 | 1,496 | 1,508 | 1,484 | 1,495 | -0.07% | 32,300 | 453億5241万 | -1.19% |
| 04/17 | 1,500 | 1,527 | 1,473 | 1,496 | 0% | 20,000 | 453億8274万 | -1.06% |
| 04/16 | 1,500 | 1,515 | 1,491 | 1,496 | -0.07% | 21,800 | 453億8274万 | -1.06% |
| 04/15 | 1,495 | 1,503 | 1,495 | 1,497 | -0.33% | 8,000 | 454億1308万 | -0.93% |
| 04/14 | 1,500 | 1,511 | 1,495 | 1,502 | +0.13% | 11,700 | 455億6476万 | -0.53% |
| 04/13 | 1,505 | 1,505 | 1,494 | 1,500 | 0% | 20,900 | 455億409万 | -0.66% |
| 04/10 | 1,520 | 1,534 | 1,490 | 1,500 | -2.22% | 42,500 | 455億409万 | -0.66% |
| 04/09 | 1,569 | 1,569 | 1,514 | 1,534 | -2.11% | 9,500 | 465億3551万 | +1.52% |
| 04/08 | 1,550 | 1,571 | 1,530 | 1,567 | +1.82% | 17,000 | 475億3660万 | +3.71% |
| 04/07 | 1,531 | 1,554 | 1,523 | 1,539 | +0.52% | 13,800 | 466億8719万 | +1.99% |
| 04/06 | 1,546 | 1,546 | 1,528 | 1,531 | -1.92% | 4,700 | 464億4450万 | +1.46% |
| 04/03 | 1,570 | 1,575 | 1,530 | 1,561 | +0.77% | 16,900 | 473億5459万 | +3.38% |
| 04/02 | 1,529 | 1,569 | 1,523 | 1,549 | +1.44% | 35,400 | 469億9055万 | +2.51% |
| 04/01 | 1,512 | 1,531 | 1,487 | 1,527 | +1.73% | 29,900 | 463億2316万 | +0.99% |
| 03/31 | 1,540 | 1,540 | 1,489 | 1,501 | -0.66% | 17,200 | 455億3442万 | -0.79% |
| 03/30 | 1,501 | 1,537 | 1,485 | 1,511 | +2.51% | 25,600 | 458億3778万 | -0.2% |
| 03/27 | (IR情報)14:00 支配株主等に関する事項について |
| 03/27 | 1,472 | 1,526 | 1,468 | 1,474 | +0.2% | 47,100 | 447億1535万 | -2.77% |
| 03/26 | (IR情報)14:00 ストックオプション(新株予約権)の発行に関するお知らせ |
| 03/26 | 1,485 | 1,498 | 1,466 | 1,471 | -2.45% | 28,500 | 446億2434万 | -3.22% |
| 03/25 | 1,518 | 1,518 | 1,493 | 1,508 | -0.66% | 8,800 | 457億4677万 | -1.05% |
| 03/24 | 1,510 | 1,527 | 1,500 | 1,518 | +0.07% | 12,700 | 460億5014万 | -0.52% |
| 03/23 | 1,530 | 1,551 | 1,507 | 1,517 | -0.85% | 16,300 | 460億1980万 | -0.72% |
| 03/20 | 1,494 | 1,535 | 1,494 | 1,530 | +1.32% | 20,700 | 464億1417万 | +0.07% |
| 03/19 | 1,520 | 1,541 | 1,509 | 1,510 | -0.07% | 14,000 | 458億745万 | -1.37% |
| 03/18 | (IR情報)15:15 子会社(大多喜ガス株式会社)による電力事業への参入について |
| 03/18 | 1,495 | 1,520 | 1,483 | 1,511 | +1.75% | 18,900 | 458億3778万 | -1.44% |