| 2024 |
| 10/07 | 2,138 | 2,138 | 2,136 | 2,137 | 0% | 60,000 | 308億1131万 | +4.65% |
| 10/04 | 2,137 | 2,138 | 2,137 | 2,137 | 0% | 38,800 | 308億1131万 | +5.53% |
| 10/03 | 2,138 | 2,140 | 2,137 | 2,137 | 0% | 114,900 | 308億1131万 | +6.53% |
| 10/02 | 2,138 | 2,140 | 2,137 | 2,137 | 0% | 79,900 | 308億1131万 | +7.55% |
| 10/01 | 2,137 | 2,144 | 2,137 | 2,137 | 0% | 146,200 | 308億1131万 | +8.64% |
| 09/30 | 2,137 | 2,139 | 2,137 | 2,137 | 0% | 69,600 | 308億1131万 | +9.82% |
| 09/27 | （IR情報）15:00 臨時株主総会招集のための基準日設定に関するお知らせ |
| 09/27 | 2,137 | 2,139 | 2,136 | 2,137 | +0.05% | 84,300 | 308億1131万 | +11.01% |
| 09/26 | 2,137 | 2,139 | 2,136 | 2,136 | 0% | 104,800 | 307億9690万 | +12.24% |
| 09/25 | 2,136 | 2,137 | 2,136 | 2,136 | 0% | 84,800 | 307億9690万 | +13.56% |
| 09/24 | 2,137 | 2,137 | 2,136 | 2,136 | 0% | 82,800 | 307億9690万 | +14.9% |
| 09/20 | 2,137 | 2,138 | 2,136 | 2,136 | -0.05% | 117,000 | 307億9690万 | +16.28% |
| 09/19 | 2,136 | 2,138 | 2,136 | 2,137 | 0% | 131,800 | 308億1131万 | +17.68% |
| 09/18 | 2,137 | 2,137 | 2,136 | 2,137 | 0% | 132,400 | 308億1131万 | +19.12% |
| 09/17 | 2,137 | 2,138 | 2,136 | 2,137 | +0.05% | 165,300 | 308億1131万 | +20.6% |
| 09/13 | 2,136 | 2,137 | 2,135 | 2,136 | +0.05% | 107,300 | 307億9690万 | +21.99% |
| 09/12 | 2,136 | 2,136 | 2,135 | 2,135 | 0% | 307,500 | 307億8248万 | +23.27% |
| 09/11 | 2,135 | 2,136 | 2,135 | 2,135 | 0% | 367,000 | 307億8248万 | +24.71% |
| 09/10 | 2,135 | 2,136 | 2,135 | 2,135 | 0% | 443,800 | 307億8248万 | +26.63% |
| 09/09 | 2,135 | 2,137 | 2,135 | 2,135 | +3.79% | 598,500 | 307億8248万 | +28.77% |
| 09/06 | （5%ルール）セコム（71.55%） |
| 09/06 | 2,057 | 2,057 | 2,057 | 2,057 | +24.14% | 9,100 | 296億5787万 | +25.2% |
| 09/05 | （IR情報）15:00 親会社であるセコム(株)、及び伊藤忠商事(株)が出資するISフロンティアパートナーズ(株)による当社株式の公開買付に関する賛同の意見表明・応募推奨のお知らせ |
| 09/05 | （IR情報）15:00 2025年3月期期末配当予想の修正(無配)に関するお知らせ |
| 09/05 | 1,631 | 1,688 | 1,628 | 1,657 | +1.72% | 17,600 | 238億9066万 | +1.41% |
| 09/04 | 1,677 | 1,690 | 1,623 | 1,629 | -5.13% | 31,900 | 234億8696万 | -0.85% |
| 09/03 | 1,694 | 1,725 | 1,694 | 1,717 | +1.36% | 5,300 | 247億5574万 | +4.06% |
| 09/02 | 1,731 | 1,735 | 1,690 | 1,694 | -0.99% | 15,700 | 244億2413万 | +2.29% |
| 08/30 | 1,686 | 1,722 | 1,685 | 1,711 | +0.94% | 16,600 | 246億6924万 | +2.95% |
| 08/29 | 1,673 | 1,698 | 1,670 | 1,695 | +1.13% | 9,700 | 244億3855万 | +1.68% |
| 08/28 | 1,685 | 1,685 | 1,669 | 1,676 | +0.3% | 9,600 | 241億6460万 | +0.06% |
| 08/27 | 1,637 | 1,678 | 1,626 | 1,671 | +3.08% | 16,600 | 240億9251万 | -0.71% |
| 08/26 | 1,623 | 1,643 | 1,610 | 1,621 | +0.5% | 8,500 | 233億7161万 | -4.2% |
| 08/23 | 1,610 | 1,615 | 1,592 | 1,613 | -0.25% | 8,300 | 232億5627万 | -5.28% |
| 08/22 | 1,580 | 1,617 | 1,568 | 1,617 | +2.34% | 14,200 | 233億1394万 | -5.71% |
| 08/21 | 1,581 | 1,588 | 1,574 | 1,580 | -0.19% | 15,300 | 227億8047万 | -8.51% |
| 08/20 | 1,610 | 1,610 | 1,580 | 1,583 | -0.25% | 12,500 | 228億2373万 | -9.02% |
| 08/19 | 1,600 | 1,607 | 1,587 | 1,587 | -0.5% | 9,400 | 228億8140万 | -9.37% |
| 08/16 | 1,654 | 1,654 | 1,587 | 1,595 | -1.66% | 26,100 | 229億9674万 | -9.43% |
| 08/15 | 1,586 | 1,661 | 1,585 | 1,622 | +3.25% | 21,700 | 233億8603万 | -8.41% |
| 08/14 | 1,594 | 1,604 | 1,556 | 1,571 | -0.7% | 13,400 | 226億5071万 | -11.74% |
| 08/13 | 1,614 | 1,614 | 1,565 | 1,582 | -3% | 31,600 | 228億931万 | -11.72% |
| 08/09 | 1,571 | 1,679 | 1,546 | 1,631 | -1.09% | 25,700 | 235億1579万 | -9.39% |
| 08/08 | （IR情報）15:00 2025年3月期第1四半期決算短信〔日本基準〕(連結) |
| 08/08 | 1,635 | 1,683 | 1,602 | 1,649 | +0.86% | 13,900 | 237億7532万 | -8.79% |
| 08/07 | 1,486 | 1,639 | 1,480 | 1,635 | +10.1% | 21,700 | 235億7347万 | -9.92% |
| 08/06 | 1,450 | 1,549 | 1,450 | 1,485 | +3.63% | 66,000 | 214億1076万 | -18.5% |
| 08/05 | 1,640 | 1,687 | 1,403 | 1,433 | -18.58% | 49,500 | 206億6102万 | -21.91% |
| 08/02 | 1,810 | 1,810 | 1,760 | 1,760 | -4.19% | 24,900 | 253億7572万 | -4.86% |
| 08/01 | 1,882 | 1,884 | 1,820 | 1,837 | -2.13% | 11,100 | 264億8591万 | -0.76% |
| 07/31 | 1,848 | 1,879 | 1,839 | 1,877 | +3.82% | 19,100 | 270億6263万 | +1.46% |
| 07/30 | 1,857 | 1,862 | 1,808 | 1,808 | -2.8% | 43,300 | 260億6778万 | -2.06% |
| 07/29 | 1,842 | 1,869 | 1,842 | 1,860 | +1.03% | 6,300 | 268億1752万 | +0.87% |
| 07/26 | 1,850 | 1,886 | 1,835 | 1,841 | -0.49% | 8,500 | 265億4358万 | +0.11% |
| 07/25 | 1,867 | 1,877 | 1,848 | 1,850 | -1.7% | 15,900 | 266億7334万 | +0.76% |
| 07/24 | 1,895 | 1,895 | 1,871 | 1,882 | -0.69% | 6,800 | 271億3472万 | +2.79% |
| 07/23 | 1,889 | 1,895 | 1,877 | 1,895 | +0.42% | 5,600 | 273億2215万 | +3.72% |
| 07/22 | 1,898 | 1,900 | 1,875 | 1,887 | -0.58% | 10,600 | 272億681万 | +3.62% |
| 07/19 | 1,904 | 1,910 | 1,880 | 1,898 | -0.73% | 10,600 | 273億6541万 | +4.52% |
| 07/18 | 1,906 | 1,923 | 1,900 | 1,912 | -0.62% | 10,700 | 275億6726万 | +5.58% |
| 07/17 | 1,896 | 1,927 | 1,893 | 1,924 | +1.75% | 29,700 | 277億4028万 | +6.47% |
| 07/16 | 1,854 | 1,893 | 1,854 | 1,891 | +1.89% | 19,000 | 272億6448万 | +4.88% |
| 07/12 | 1,849 | 1,894 | 1,836 | 1,856 | +0.27% | 14,900 | 267億5985万 | +3.17% |
| 07/11 | 1,845 | 1,880 | 1,844 | 1,851 | +0.82% | 19,600 | 266億8776万 | +3.01% |
| 07/10 | 1,857 | 1,859 | 1,825 | 1,836 | -0.76% | 12,700 | 264億7149万 | +2.28% |
| 07/09 | 1,827 | 1,864 | 1,820 | 1,850 | -0.91% | 15,500 | 266億7334万 | +3.12% |
| 07/08 | 1,848 | 1,902 | 1,814 | 1,867 | +3.95% | 30,900 | 269億1845万 | +4.13% |
| 07/05 | 1,813 | 1,814 | 1,790 | 1,796 | -0.94% | 9,700 | 258億9477万 | +0.22% |
| 07/04 | 1,812 | 1,821 | 1,800 | 1,813 | -0.33% | 7,500 | 261億3987万 | +1.06% |
| 07/03 | 1,810 | 1,822 | 1,810 | 1,819 | -0.05% | 7,400 | 262億2638万 | +1.39% |
| 07/02 | 1,819 | 1,825 | 1,811 | 1,820 | +1% | 4,400 | 262億4080万 | +1.45% |
| 07/01 | 1,815 | 1,827 | 1,801 | 1,802 | -0.44% | 7,100 | 259億8128万 | +0.33% |
| 06/28 | （IR情報）15:10 支配株主等に関する事項について |
| 06/28 | 1,818 | 1,830 | 1,805 | 1,810 | +0.39% | 13,100 | 260億9662万 | +0.67% |
| 06/27 | 1,796 | 1,825 | 1,796 | 1,803 | +0.73% | 17,100 | 259億9569万 | +0.17% |
| 06/26 | 1,798 | 1,798 | 1,786 | 1,790 | +0.22% | 7,300 | 258億826万 | -0.67% |
| 06/25 | 1,769 | 1,800 | 1,751 | 1,786 | +2.06% | 20,500 | 257億5059万 | -1.11% |
| 06/24 | 1,761 | 1,766 | 1,746 | 1,750 | 0% | 8,800 | 252億3154万 | -3.31% |
| 06/21 | 1,746 | 1,760 | 1,746 | 1,750 | 0% | 3,100 | 252億3154万 | -3.63% |
| 06/20 | 1,740 | 1,761 | 1,740 | 1,750 | +0.06% | 9,400 | 252億3154万 | -3.9% |
| 06/19 | 1,758 | 1,767 | 1,742 | 1,749 | -0.63% | 11,000 | 252億1712万 | -4.27% |
| 06/18 | 1,756 | 1,786 | 1,756 | 1,760 | +0.17% | 15,400 | 253億7572万 | -4.03% |
| 06/17 | 1,770 | 1,772 | 1,746 | 1,757 | -0.68% | 10,900 | 253億3246万 | -4.56% |
| 06/14 | 1,760 | 1,783 | 1,760 | 1,769 | +0.63% | 8,000 | 255億548万 | -4.33% |
| 06/13 | 1,812 | 1,812 | 1,756 | 1,758 | -2.98% | 21,600 | 253億4688万 | -5.18% |
| 06/12 | 1,819 | 1,830 | 1,812 | 1,812 | -0.38% | 3,300 | 261億2546万 | -2.89% |
| 06/11 | 1,822 | 1,831 | 1,813 | 1,819 | +0.5% | 7,800 | 262億2638万 | -2.88% |
| 06/10 | 1,809 | 1,826 | 1,809 | 1,810 | +0.06% | 8,200 | 260億9662万 | -3.83% |
| 06/07 | 1,790 | 1,809 | 1,790 | 1,809 | +1.06% | 4,200 | 260億8220万 | -4.34% |
| 06/06 | 1,811 | 1,820 | 1,790 | 1,790 | -0.83% | 16,900 | 258億826万 | -5.74% |
| 06/05 | 1,831 | 1,831 | 1,805 | 1,805 | -1.53% | 8,300 | 260億2453万 | -5.3% |
| 06/04 | 1,835 | 1,849 | 1,833 | 1,833 | +0.16% | 11,800 | 264億2823万 | -4.08% |
| 06/03 | 1,866 | 1,866 | 1,830 | 1,830 | -1.03% | 11,600 | 263億8498万 | -4.49% |
| 05/31 | 1,818 | 1,849 | 1,818 | 1,849 | +1.71% | 3,700 | 266億5892万 | -3.7% |
| 05/30 | 1,815 | 1,828 | 1,804 | 1,818 | -0.11% | 8,400 | 262億1196万 | -5.41% |
| 05/29 | 1,857 | 1,857 | 1,815 | 1,820 | -2.1% | 15,500 | 262億4080万 | -5.45% |
| 05/28 | 1,857 | 1,886 | 1,857 | 1,859 | +0.16% | 6,900 | 268億310万 | -3.53% |
| 05/27 | 1,875 | 1,875 | 1,852 | 1,856 | -0.59% | 6,600 | 267億5985万 | -3.73% |
| 05/24 | 1,858 | 1,870 | 1,851 | 1,867 | +0.38% | 3,900 | 269億1845万 | -3.16% |
| 05/23 | 1,871 | 1,872 | 1,860 | 1,860 | -1.01% | 11,400 | 268億1752万 | -3.53% |
| 05/22 | 1,894 | 1,894 | 1,867 | 1,879 | -0.27% | 13,200 | 270億9146万 | -2.64% |
| 05/21 | 1,896 | 1,905 | 1,884 | 1,884 | -0.74% | 8,900 | 271億6355万 | -2.43% |
| 05/20 | 1,881 | 1,912 | 1,881 | 1,898 | +0.9% | 14,100 | 273億6541万 | -1.76% |
| 05/17 | 1,910 | 1,910 | 1,881 | 1,881 | -1.67% | 15,600 | 271億2030万 | -2.64% |
| 05/16 | 1,920 | 1,925 | 1,901 | 1,913 | -0.05% | 25,900 | 275億8168万 | -0.93% |
| 05/15 | 1,923 | 1,937 | 1,909 | 1,914 | -0.93% | 18,600 | 275億9609万 | -0.67% |
| 05/09 | （IR情報）15:00 役員の異動に関するお知らせ |
| 05/09 | （IR情報）15:00 2024年3月期決算短信〔日本基準〕(連結) |
