| 2026 |
| 08/24 | 629 | 664 | 625 | 653 | +4.31% | 573,400 | 242億6814万 | +8.47% |
| 08/21 | 625 | 628 | 619 | 626 | -0.16% | 165,100 | 232億6471万 | +4.16% |
| 08/20 | 616 | 629 | 611 | 627 | +1.95% | 215,200 | 233億187万 | +4.33% |
| 08/19 | 628 | 630 | 610 | 615 | -1.6% | 256,400 | 228億5590万 | +2.5% |
| 08/18 | 645 | 649 | 623 | 625 | -4.58% | 510,100 | 232億2754万 | +4.17% |
| 08/17 | 645 | 669 | 640 | 655 | +1.08% | 670,500 | 243億4247万 | +9.35% |
| 08/14 | 610 | 654 | 608 | 648 | +9.83% | 1,702,500 | 240億8232万 | +8.72% |
| 08/13 | (IR情報)11:30 2026年12月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 08/13 | (IR情報)11:30 通期連結業績予想の修正(上方修正)に関するお知らせ |
| 08/13 | (IR情報)11:30 2026年12月期第2四半期決算説明資料 |
| 08/13 | 604 | 618 | 572 | 590 | -1.83% | 1,216,500 | 219億2680万 | -0.51% |
| 08/12 | 596 | 615 | 588 | 601 | +2.04% | 487,900 | 223億3561万 | +1.35% |
| 08/10 | 581 | 607 | 577 | 589 | +1.73% | 478,100 | 218億8964万 | -0.51% |
| 08/07 | 578 | 580 | 572 | 579 | +0.52% | 146,200 | 215億1800万 | -2.2% |
| 08/06 | 575 | 578 | 570 | 576 | -0.35% | 162,900 | 214億650万 | -2.7% |
| 08/05 | 579 | 585 | 577 | 578 | 0% | 138,800 | 214億8083万 | -2.2% |
| 08/04 | 584 | 589 | 577 | 578 | -0.86% | 145,200 | 214億8083万 | -2.2% |
| 08/03 | 593 | 593 | 578 | 583 | -1.69% | 207,900 | 216億6665万 | -1.19% |
| 07/31 | 602 | 602 | 592 | 593 | -1.33% | 134,200 | 220億3829万 | +0.68% |
| 07/30 | 601 | 609 | 598 | 601 | -0.33% | 179,800 | 223億3561万 | +2.21% |
| 07/29 | 593 | 611 | 589 | 603 | +3.08% | 388,200 | 224億993万 | +2.9% |
| 07/28 | 599 | 599 | 585 | 585 | -1.85% | 175,200 | 217億4098万 | +0.17% |
| 07/27 | 585 | 602 | 582 | 596 | +2.41% | 362,100 | 221億4978万 | +2.05% |
| 07/24 | 587 | 589 | 573 | 582 | -1.52% | 254,100 | 216億2949万 | 0% |
| 07/23 | 590 | 594 | 585 | 591 | +0.51% | 166,200 | 219億6396万 | +1.72% |
| 07/22 | 595 | 599 | 583 | 588 | -1.18% | 199,400 | 218億5247万 | +1.38% |
| 07/21 | (IR情報)11:05 ジェイズ・コミュニケーションがブラウザ・Outlook・Teamsから直接利用できる新製品「RevoWorks Sanitize Browser」「RevoWorks Sanitize Apps」を販売開始 |
| 07/21 | 597 | 605 | 592 | 595 | -1.16% | 163,100 | 221億1262万 | +2.76% |
| 07/17 | 609 | 613 | 593 | 602 | -1.79% | 275,800 | 223億7277万 | +4.33% |
| 07/16 | 621 | 633 | 606 | 613 | -1.29% | 280,100 | 227億8157万 | +6.61% |
| 07/15 | 611 | 621 | 604 | 621 | +1.14% | 249,300 | 230億7889万 | +8.38% |
| 07/14 | 603 | 620 | 603 | 614 | +1.66% | 309,800 | 228億1874万 | +7.53% |
| 07/13 | 596 | 606 | 593 | 604 | +0.83% | 288,100 | 224億4710万 | +6.15% |
| 07/10 | 591 | 600 | 588 | 599 | +2.04% | 317,100 | 222億6128万 | +5.64% |
| 07/09 | 583 | 591 | 572 | 587 | +0.51% | 252,600 | 218億1531万 | +3.53% |
| 07/08 | 590 | 595 | 583 | 584 | -1.52% | 151,600 | 217億382万 | +3.36% |
| 07/07 | 580 | 597 | 578 | 593 | +2.6% | 312,900 | 220億3829万 | +5.14% |
| 07/06 | 580 | 582 | 572 | 578 | -1.03% | 221,900 | 214億8083万 | +2.66% |
| 07/03 | 586 | 589 | 575 | 584 | +1.39% | 244,500 | 217億382万 | +3.91% |
| 07/02 | 559 | 578 | 557 | 576 | +3.78% | 306,900 | 214億650万 | +2.67% |
| 07/01 | 561 | 566 | 555 | 555 | -1.77% | 162,900 | 206億2606万 | -1.07% |
| 06/30 | 560 | 567 | 554 | 565 | +0.89% | 128,400 | 209億9770万 | +0.71% |
| 06/29 | 562 | 566 | 555 | 560 | +1.45% | 234,700 | 208億1188万 | -0.18% |
| 06/26 | 560 | 562 | 552 | 552 | -2.13% | 216,700 | 205億1457万 | -1.78% |
| 06/25 | 568 | 572 | 557 | 564 | 0% | 225,900 | 209億6053万 | +0.18% |
| 06/24 | (IR情報)16:00 スポンサードリサーチレポート(英訳版)発行に関するお知らせ(2026年12月期Q1決算フォローアップ) |
| 06/24 | 559 | 573 | 559 | 564 | +1.08% | 258,500 | 209億6053万 | +0.18% |
| 06/23 | (IR情報)16:00 スポンサードリサーチレポート発行に関するお知らせ (2026年12月期Q1決算フォローアップ) |
| 06/23 | 562 | 576 | 552 | 558 | -1.24% | 497,000 | 207億3755万 | -0.89% |
| 06/22 | 560 | 573 | 556 | 565 | +1.44% | 211,600 | 209億9770万 | +0.36% |
| 06/19 | 560 | 565 | 551 | 557 | -1.76% | 202,600 | 207億39万 | -1.07% |
| 06/18 | 565 | 572 | 560 | 567 | +0.35% | 137,200 | 210億7203万 | +0.53% |
| 06/17 | 557 | 571 | 555 | 565 | +2.91% | 248,200 | 209億9770万 | +0.36% |
| 06/16 | 557 | 557 | 548 | 549 | -1.44% | 138,700 | 204億307万 | -3% |
| 06/15 | 556 | 561 | 552 | 557 | +1.27% | 164,200 | 207億39万 | -1.59% |
| 06/12 | 558 | 563 | 545 | 550 | -0.54% | 235,600 | 204億4024万 | -2.65% |
| 06/11 | 561 | 562 | 551 | 553 | -2.64% | 181,600 | 205億5173万 | -2.12% |
| 06/10 | 566 | 577 | 562 | 568 | +0.35% | 135,900 | 211億919万 | +0.89% |
| 06/09 | 575 | 578 | 561 | 566 | -0.35% | 190,100 | 210億3486万 | +0.89% |
| 06/08 | 575 | 575 | 561 | 568 | -2.91% | 335,100 | 211億919万 | +1.61% |
| 06/05 | 556 | 587 | 556 | 585 | +6.17% | 413,400 | 217億4098万 | +4.84% |
| 06/04 | 547 | 553 | 540 | 551 | 0% | 164,700 | 204億7740万 | -0.72% |
| 06/03 | 560 | 563 | 541 | 551 | -1.61% | 379,200 | 204億7740万 | -0.54% |
| 06/02 | 566 | 566 | 553 | 560 | -1.06% | 237,800 | 208億1188万 | +1.45% |
| 06/01 | 562 | 570 | 554 | 566 | +1.8% | 264,600 | 210億3486万 | +2.72% |
| 05/29 | 568 | 574 | 556 | 556 | -0.89% | 302,800 | 206億6322万 | +1.09% |
| 05/28 | 570 | 577 | 557 | 561 | -1.23% | 225,600 | 208億4904万 | +2.19% |
| 05/27 | 570 | 573 | 557 | 568 | -0.18% | 317,700 | 211億919万 | +3.65% |
| 05/26 | 574 | 587 | 569 | 569 | -0.87% | 319,900 | 211億4635万 | +4.21% |
| 05/25 | 578 | 580 | 558 | 574 | -0.17% | 353,500 | 213億3218万 | +5.32% |
| 05/22 | 575 | 583 | 570 | 575 | -0.69% | 180,200 | 213億6934万 | +5.89% |
| 05/21 | 570 | 581 | 566 | 579 | +3.76% | 432,900 | 215億1800万 | +7.02% |
| 05/20 | (IR情報)11:00 ジェイズ・コミュニケーションがBlueVoyant社「Cyber Defense Platform」の提供を開始 |
| 05/20 | 571 | 571 | 552 | 558 | -1.59% | 296,400 | 207億3755万 | +3.53% |
| 05/19 | 571 | 578 | 564 | 567 | +1.07% | 438,800 | 210億7203万 | +5.59% |
| 05/18 | 556 | 567 | 543 | 561 | -1.58% | 644,200 | 208億4904万 | +4.66% |
| 05/15 | 572 | 583 | 557 | 570 | +3.26% | 720,700 | 211億8352万 | +6.54% |
| 05/14 | 610 | 612 | 551 | 552 | -13.75% | 3,208,600 | 205億1457万 | +3.37% |
| 05/13 | (IR情報)17:00 (訂正)「2026年12月期第1四半期決算補足説明資料」の一部訂正に関するお知らせ |
| 05/13 | (IR情報)11:30 2026年12月期第1四半期決算補足説明資料 |
| 05/13 | (IR情報)11:30 2026年12月期第1四半期決算短信〔日本基準〕(連結) |
| 05/13 | 550 | 640 | 542 | 640 | +18.52% | 648,200 | 237億8500万 | +20.08% |
| 05/12 | 542 | 548 | 538 | 540 | 0% | 233,700 | 200億6860万 | +2.08% |
| 05/11 | 545 | 550 | 539 | 540 | +0.93% | 312,600 | 200億6860万 | +2.27% |
| 05/08 | 519 | 536 | 519 | 535 | +3.48% | 277,900 | 198億8278万 | +1.52% |
| 05/07 | 524 | 527 | 517 | 517 | -0.19% | 186,700 | 192億1382万 | -1.71% |
| 05/01 | 524 | 524 | 516 | 518 | -1.15% | 151,700 | 192億5099万 | -1.52% |
| 04/30 | 526 | 527 | 521 | 524 | -0.38% | 125,500 | 194億7397万 | -0.19% |
| 04/28 | 521 | 526 | 517 | 526 | +0.57% | 97,600 | 195億4830万 | +0.19% |
| 04/27 | 527 | 528 | 517 | 523 | +1.75% | 256,900 | 194億3681万 | -0.19% |
| 04/24 | 519 | 522 | 513 | 514 | -0.39% | 111,800 | 191億233万 | -1.72% |
| 04/23 | 526 | 526 | 511 | 516 | -2.27% | 200,800 | 191億7666万 | -1.15% |
| 04/22 | 529 | 531 | 524 | 528 | -0.19% | 86,400 | 196億2263万 | +1.15% |
| 04/21 | 533 | 533 | 524 | 529 | -0.38% | 156,000 | 196億5979万 | +1.54% |
| 04/20 | 540 | 541 | 531 | 531 | -1.3% | 117,100 | 197億3412万 | +2.12% |
| 04/17 | 538 | 544 | 535 | 538 | 0% | 185,300 | 199億9427万 | +3.86% |
| 04/16 | 536 | 545 | 534 | 538 | +1.32% | 358,800 | 199億9427万 | +4.06% |
| 04/15 | 526 | 535 | 526 | 531 | +1.14% | 138,100 | 197億3412万 | +2.91% |
| 04/14 | 527 | 532 | 524 | 525 | +0.57% | 171,300 | 195億1114万 | +1.94% |
| 04/13 | 521 | 524 | 516 | 522 | +0.19% | 100,400 | 193億9964万 | +1.75% |
| 04/10 | 531 | 531 | 518 | 521 | -1.7% | 162,000 | 193億6248万 | +1.56% |
| 04/09 | 540 | 540 | 525 | 530 | -1.85% | 408,800 | 196億9696万 | +3.52% |
| 04/08 | 542 | 544 | 537 | 540 | +0.93% | 328,400 | 200億6860万 | +5.88% |
| 04/07 | 536 | 544 | 530 | 535 | 0% | 203,600 | 198億8278万 | +5.11% |
| 04/06 | 537 | 542 | 531 | 535 | 0% | 232,800 | 198億8278万 | +5.31% |
| 04/03 | 528 | 537 | 526 | 535 | +2.49% | 232,100 | 198億8278万 | +5.52% |
| 04/02 | 529 | 532 | 519 | 522 | -1.32% | 354,200 | 193億9964万 | +3.16% |
| 04/01 | 525 | 537 | 524 | 529 | +2.12% | 548,700 | 196億5979万 | +4.55% |
| 04/01 | (空売り報告)Nomura International plc 121,360株(0.32%)-0.19%義務消失 |
| 03/31 | 503 | 522 | 502 | 518 | +2.37% | 321,900 | 192億5099万 | +2.57% |
| 03/30 | 501 | 509 | 498 | 506 | -0.59% | 285,300 | 188億502万 | +0.2% |
| 03/30 | (空売り報告)Nomura International plc 192,234株(0.51%)再IN |
| 03/27 | (IR情報)11:30 セグエセキュリティがAIを活用したセキュリティ規程文書診断サービス 「RiskLoom」を提供開始 |
| 03/27 | (空売り報告)Nomura International plc 181,134株(0.48%)-0.02%義務消失 |
| 03/26 | (空売り報告)Nomura International plc 186,638株(0.5%)再IN |
| 03/25 | (IR情報)16:40 スポンサードリサーチレポート(英訳版)発行に関するお知らせ (2025年12月期Q4決算フォローアップ) |
| 03/24 | (空売り報告)Nomura International plc 166,964株(0.44%)-0.06%義務消失 |
| 03/23 | (5%ルール)みずほ信託銀行(1.23%)みずほ証券(0%) |