| 2026 |
| 09/28 | 541 | 543 | 536 | 543 | +0.37% | 3,300 | - | -1.81% |
| 09/25 | 540 | 544 | 540 | 541 | 0% | 2,800 | - | -2.17% |
| 09/24 | 547 | 547 | 541 | 541 | -0.37% | 2,000 | - | -2.52% |
| 09/18 | 544 | 547 | 537 | 543 | -0.91% | 4,900 | - | -2.51% |
| 09/17 | 543 | 548 | 543 | 548 | +0.92% | 1,500 | - | -1.26% |
| 09/16 | (IR情報)16:00 コラボレーションシステム、SSL証明書自動更新サービス『certFlow』 をアップデート |
| 09/16 | 545 | 549 | 543 | 543 | -0.37% | 600 | - | -1.81% |
| 09/15 | 546 | 546 | 545 | 545 | +0.37% | 700 | - | -1.27% |
| 09/14 | 541 | 548 | 540 | 543 | -0.55% | 4,200 | - | -1.27% |
| 09/11 | 541 | 548 | 540 | 546 | -0.36% | 1,100 | - | -0.55% |
| 09/10 | 549 | 565 | 547 | 548 | -0.18% | 4,700 | - | +0.18% |
| 09/09 | 548 | 549 | 532 | 549 | +0.73% | 1,500 | - | +0.92% |
| 09/08 | 556 | 565 | 538 | 545 | -1.27% | 5,100 | - | +0.55% |
| 09/07 | 552 | 558 | 552 | 552 | 0% | 3,300 | - | +2.41% |
| 09/04 | 552 | 562 | 552 | 552 | -0.72% | 3,000 | - | +2.99% |
| 09/03 | 554 | 557 | 554 | 556 | -0.36% | 400 | - | +4.12% |
| 09/02 | 558 | 566 | 555 | 558 | -1.76% | 6,300 | - | +5.08% |
| 09/01 | 570 | 574 | 566 | 568 | -0.35% | 800 | - | +7.58% |
| 08/31 | 572 | 572 | 569 | 570 | -0.18% | 2,300 | - | +8.78% |
| 08/28 | 570 | 571 | 557 | 571 | +0.18% | 2,500 | - | +9.6% |
| 08/27 | 561 | 570 | 551 | 570 | +1.42% | 7,500 | - | +10.25% |
| 08/26 | (IR情報)16:00 チエルネクサス、社会課題の解決に向け 三井住友銀行「ソーシャル円定期預金」への預け入れを実施 |
| 08/26 | 567 | 567 | 557 | 562 | +0.9% | 1,900 | - | +9.55% |
| 08/25 | (IR情報)16:00 チエルネクサス 「ファクトリーイノベーション Week 2026(9月・東京展)」に出展 |
| 08/25 | 569 | 570 | 557 | 557 | -0.71% | 5,400 | - | +9.22% |
| 08/24 | 551 | 561 | 547 | 561 | +3.7% | 6,600 | - | +10.87% |
| 08/21 | 558 | 565 | 541 | 541 | -4.25% | 12,600 | - | +7.55% |
| 08/20 | 567 | 570 | 561 | 565 | +1.44% | 4,700 | - | +12.77% |
| 08/19 | (IR情報)16:00 再発防止策の策定等に関するお知らせ |
| 08/19 | 575 | 575 | 550 | 557 | -3.13% | 19,100 | - | +11.85% |
| 08/18 | 588 | 588 | 565 | 575 | -2.21% | 25,100 | - | +16.16% |
| 08/17 | 555 | 602 | 541 | 588 | +15.52% | 115,200 | - | +19.76% |
| 08/14 | (IR情報)16:00 2027年3月期第1四半期決算短信〔日本基準〕(連結) |
| 08/14 | 503 | 515 | 503 | 509 | +0.99% | 7,400 | - | +4.52% |
| 08/13 | 510 | 510 | 504 | 504 | -0.4% | 3,900 | - | +3.7% |
| 08/12 | 503 | 506 | 498 | 506 | +1.4% | 4,100 | - | +4.12% |
| 08/10 | 510 | 515 | 495 | 499 | -1.77% | 18,000 | - | +2.89% |
| 08/07 | 506 | 512 | 498 | 508 | +1.2% | 10,500 | - | +4.96% |
| 08/06 | 483 | 513 | 483 | 502 | +4.58% | 19,500 | - | +3.93% |
| 08/05 | (IR情報)16:00 特別調査委員会の調査報告書受領に関するお知らせ |
| 08/05 | (IR情報)16:00 第29期定時株主総会の継続会の開催日等に関するお知らせ |
| 08/05 | 478 | 482 | 478 | 480 | -0.83% | 8,200 | - | -0.41% |
| 08/04 | 486 | 487 | 484 | 484 | +0.21% | 1,200 | - | +0.62% |
| 08/03 | 487 | 487 | 482 | 483 | -0.62% | 3,300 | - | +0.42% |
| 07/31 | 486 | 486 | 484 | 486 | +0.21% | 3,300 | - | +1.25% |
| 07/30 | 481 | 485 | 480 | 485 | +0.21% | 1,600 | - | +1.46% |
| 07/29 | 476 | 484 | 476 | 484 | +1.47% | 3,200 | - | +1.68% |
| 07/28 | 482 | 482 | 472 | 477 | -0.83% | 10,200 | - | +0.63% |
| 07/27 | 486 | 486 | 480 | 481 | +0.21% | 8,800 | - | +1.91% |
| 07/24 | 477 | 480 | 476 | 480 | +0.42% | 2,100 | - | +1.91% |
| 07/23 | 479 | 480 | 478 | 478 | 0% | 1,600 | - | +1.7% |
| 07/22 | 472 | 478 | 472 | 478 | +0.42% | 1,000 | - | +1.7% |
| 07/21 | 474 | 478 | 469 | 476 | +1.71% | 5,400 | - | +1.49% |
| 07/17 | 481 | 483 | 468 | 468 | -2.7% | 11,000 | - | -0.21% |
| 07/16 | 479 | 484 | 478 | 481 | -1.23% | 6,200 | - | +2.78% |
| 07/15 | 489 | 491 | 482 | 487 | 0% | 2,000 | - | +4.51% |
| 07/14 | 479 | 491 | 476 | 487 | +2.1% | 7,500 | - | +4.96% |
| 07/13 | 485 | 487 | 477 | 477 | -1.45% | 6,000 | - | +3.02% |
| 07/10 | 489 | 489 | 484 | 484 | -1.83% | 4,100 | - | +4.76% |
| 07/09 | 492 | 493 | 484 | 493 | +1.86% | 3,300 | - | +7.17% |
| 07/08 | 494 | 494 | 484 | 484 | -2.02% | 2,500 | - | +5.68% |
| 07/07 | 494 | 494 | 483 | 494 | +0.61% | 7,200 | - | +7.39% |
| 07/06 | 483 | 494 | 483 | 491 | +1.66% | 6,100 | - | +6.51% |
| 07/03 | (IR情報)16:00 (訂正・数値データ訂正)「2026年3月期決算短信〔日本基準〕(連結)」の一部訂正について |
| 07/03 | 477 | 483 | 475 | 483 | +1.26% | 5,200 | - | +4.32% |
| 07/02 | 463 | 479 | 463 | 477 | +3.25% | 4,000 | - | +2.58% |
| 07/01 | (IR情報)17:00 2026年3月期に係る会計監査人の監査報告書受領及び有価証券報告書の提出に関するお知らせ |
| 07/01 | 465 | 474 | 461 | 462 | -2.33% | 10,000 | - | -1.28% |
| 06/30 | 483 | 485 | 460 | 473 | -0.42% | 8,300 | - | +0.42% |
| 06/29 | 458 | 478 | 458 | 475 | +3.71% | 32,700 | - | 0% |
| 06/26 | 452 | 513 | 449 | 458 | +5.53% | 139,700 | - | -4.38% |
| 06/25 | (IR情報)16:00 2026年3月期に係る会計監査の状況に関するお知らせ |
| 06/25 | 446 | 446 | 432 | 434 | +0.46% | 7,800 | - | -10.14% |
| 06/24 | 434 | 436 | 426 | 432 | -0.23% | 12,100 | - | -11.48% |
| 06/23 | 442 | 443 | 431 | 433 | -2.26% | 12,200 | - | -12.17% |
| 06/22 | 448 | 450 | 442 | 443 | -0.23% | 7,700 | - | -11.4% |
| 06/19 | 459 | 459 | 444 | 444 | -2.63% | 9,300 | - | -12.25% |
| 06/18 | 467 | 473 | 451 | 456 | -4% | 10,200 | - | -11.8% |
| 06/17 | 457 | 475 | 450 | 475 | +3.04% | 8,900 | - | -9.87% |
| 06/16 | 465 | 469 | 459 | 461 | -1.91% | 6,200 | - | -14.15% |
| 06/15 | (IR情報)16:00 連結子会社の商号及び代表取締役の変更に関するお知らせ |
| 06/15 | 456 | 470 | 450 | 470 | +4.91% | 17,900 | - | -14.08% |
| 06/12 | 448 | 448 | 439 | 448 | +1.82% | 7,500 | - | -19.57% |
| 06/11 | 439 | 444 | 438 | 440 | +0.46% | 7,300 | - | -22.4% |
| 06/10 | 454 | 454 | 437 | 438 | -3.1% | 12,500 | - | -24.22% |
| 06/09 | 455 | 455 | 442 | 452 | +1.57% | 10,300 | - | -23% |
| 06/08 | 445 | 459 | 443 | 445 | -0.45% | 24,800 | - | -25.34% |
| 06/05 | 469 | 469 | 443 | 447 | +1.13% | 65,700 | - | -26.12% |
| 06/04 | 465 | 471 | 423 | 442 | -14.51% | 157,900 | - | -28.01% |
| 06/03 | (IR情報)16:00 剰余金の配当に関するお知らせ |
| 06/03 | (IR情報)16:00 特別調査委員会設置及び第29期定時株主総会の継続会の開催方針に関するお知らせ |
| 06/03 | 519 | 526 | 510 | 517 | -0.58% | 19,600 | - | -17.01% |
| 06/02 | 541 | 545 | 513 | 520 | -4.41% | 25,400 | - | -17.46% |
| 06/01 | 549 | 549 | 532 | 544 | 0% | 14,300 | - | -14.6% |
| 05/29 | 551 | 575 | 538 | 544 | -1.27% | 55,800 | - | -15.4% |
| 05/28 | 555 | 555 | 549 | 551 | +1.1% | 3,900 | - | -14.97% |
| 05/27 | 555 | 567 | 545 | 545 | -2.68% | 26,700 | - | -16.41% |
| 05/26 | 571 | 572 | 557 | 560 | -2.1% | 13,400 | - | -14.76% |
| 05/25 | 577 | 577 | 552 | 572 | +0.88% | 16,200 | - | -13.46% |
| 05/22 | 559 | 567 | 551 | 567 | +3.28% | 18,500 | - | -14.61% |
| 05/21 | 561 | 570 | 548 | 549 | -2.83% | 34,200 | - | -17.81% |
| 05/20 | 591 | 591 | 540 | 565 | -4.72% | 68,500 | - | -15.92% |
| 05/19 | 603 | 608 | 592 | 593 | 0% | 35,700 | - | -12.41% |
| 05/18 | 591 | 616 | 580 | 593 | -17.75% | 91,200 | - | -12.79% |
| 05/15 | (IR情報)16:00 2026年3月期決算補足説明資料 |
| 05/15 | (IR情報)16:00 2026年3月期の業績予想と実績の差異及び中計経営計画の見直しに関するお知らせ |
| 05/15 | (IR情報)16:00 2026年3月期決算短信〔日本基準〕(連結) |
| 05/15 | 707 | 721 | 706 | 721 | +1.69% | 17,400 | - | +5.56% |
| 05/14 | 725 | 725 | 709 | 709 | -1.94% | 14,000 | - | +4.26% |
| 05/13 | 715 | 725 | 715 | 723 | +0.56% | 13,600 | - | +6.79% |
| 05/12 | 719 | 723 | 716 | 719 | -0.14% | 12,400 | - | +6.68% |
| 05/11 | 709 | 720 | 707 | 720 | +1.84% | 21,400 | - | +7.3% |
| 05/08 | 710 | 710 | 696 | 707 | +1.58% | 16,800 | - | +6% |
| 05/07 | 699 | 707 | 689 | 696 | +3.88% | 47,000 | - | +4.82% |
| 05/01 | 671 | 677 | 666 | 670 | -0.15% | 4,400 | - | +1.21% |
| 04/30 | 671 | 691 | 671 | 671 | 0% | 4,800 | - | +1.51% |