| 2026 |
| 06/22 | 563 | 606 | 557 | 570 | +1.06% | 162,500 | 20億939万 | -5% |
| 06/19 | 648 | 651 | 564 | 564 | -12.01% | 236,400 | 19億8824万 | -5.21% |
| 06/19 | (空売り報告)Barclays Capital Securities Ltd 28,900株(0.81%)新規 |
| 06/18 | 635 | 646 | 609 | 641 | +0.79% | 142,500 | 22億5968万 | +8.64% |
| 06/17 | 645 | 653 | 604 | 636 | +0.95% | 240,900 | 22億4205万 | +9.28% |
| 06/16 | 662 | 663 | 593 | 630 | -4.83% | 365,800 | 22億2090万 | +9.76% |
| 06/15 | 736 | 818 | 647 | 662 | -9.44% | 791,200 | 23億3371万 | +16.75% |
| 06/12 | (IR情報)16:00 2026年10月期第2四半期決算説明資料 |
| 06/12 | (IR情報)16:00 2026年10月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 06/12 | 831 | 880 | 717 | 731 | -8.74% | 863,600 | 25億7695万 | +31% |
| 06/11 | (IR情報)16:00 Keywordmapにて「生成AI『Copilot』回答データの取得・分析機能」を追加のお知らせ |
| 06/11 | 999 | 1,168 | 745 | 801 | -20.69% | 2,029,400 | 28億2372万 | +46.44% |
| 06/10 | 1,280 | 1,610 | 1,010 | 1,010 | -22.9% | 5,052,300 | 35億6050万 | +89.49% |
| 06/09 | (IR情報)13:00 CINC、生成AI上の誤情報リスクを診断し、改善施策の実行を支援する「AI誤情報チェックサービス」を提供開始 |
| 06/09 | 1,111 | 1,353 | 968 | 1,310 | +73.97% | 3,807,500 | 46億1807万 | +156.86% |
| 06/08 | 753 | 753 | 753 | 753 | +15.31% | 11,800 | 26億5451万 | +58.19% |
| 06/05 | 653 | 653 | 653 | 653 | +18.08% | 21,300 | 23億198万 | +40.73% |
| 06/04 | (IR情報)13:00 ChatGPTやGemini、Perplexityなどの生成AIに間違った情報が出ていないか確認可能にする「AI誤情報チェック機能」開発のお知らせ |
| 06/04 | 465 | 553 | 465 | 553 | +16.91% | 291,700 | 19億4946万 | +21.27% |
| 06/03 | 470 | 473 | 469 | 473 | -1.05% | 1,300 | 16億6744万 | +4.65% |
| 06/02 | 470 | 478 | 465 | 478 | +1.7% | 2,500 | 16億8506万 | +5.99% |
| 06/01 | 460 | 478 | 460 | 470 | +2.17% | 4,200 | 16億5686万 | +4.44% |
| 05/29 | 449 | 467 | 449 | 460 | +2.68% | 6,000 | 16億2161万 | +2.45% |
| 05/28 | 450 | 451 | 447 | 448 | -0.67% | 600 | 15億7931万 | -0.22% |
| 05/27 | 461 | 461 | 451 | 451 | -2.17% | 900 | 15億8988万 | +0.45% |
| 05/26 | 449 | 464 | 449 | 461 | +2.44% | 5,900 | 16億2514万 | +2.67% |
| 05/25 | 442 | 450 | 442 | 450 | +1.58% | 500 | 15億8636万 | +0.22% |
| 05/22 | 447 | 450 | 442 | 443 | -1.56% | 1,600 | 15億6168万 | -1.34% |
| 05/21 | 450 | 450 | 450 | 450 | 0% | 400 | 15億8636万 | +0.22% |
| 05/20 | 441 | 452 | 441 | 450 | +1.35% | 1,800 | 15億8636万 | +0.22% |
| 05/19 | (IR情報)12:00 CINC、専門ナレッジ×AIエージェントを活用したサービス提供基盤の構築開始のお知らせ |
| 05/19 | 449 | 449 | 441 | 444 | -0.45% | 2,900 | 15億6521万 | -1.11% |
| 05/18 | (IR情報)17:30 GEOツール『AIsearchmap(AIサーチマップ)』の無償提供を開始 |
| 05/18 | 445 | 446 | 442 | 446 | +0.45% | 1,900 | 15億7226万 | -0.89% |
| 05/15 | 435 | 444 | 435 | 444 | +1.14% | 1,000 | 15億6521万 | -1.55% |
| 05/14 | (IR情報)18:40 Keywordmapにて「AIフレンドリー診断(β版)」の提供開始のお知らせ |
| 05/14 | 445 | 445 | 439 | 439 | -1.35% | 2,400 | 15億4758万 | -2.66% |
| 05/13 | 445 | 449 | 445 | 445 | 0% | 1,500 | 15億6873万 | -1.55% |
| 05/12 | 445 | 445 | 445 | 445 | 0% | 100 | 15億6873万 | -1.77% |
| 05/11 | 448 | 448 | 445 | 445 | -0.67% | 700 | 15億6873万 | -1.77% |
| 05/08 | 448 | 451 | 448 | 448 | -0.22% | 1,900 | 15億7931万 | -1.32% |
| 05/07 | 448 | 449 | 447 | 449 | -0.66% | 1,600 | 15億8283万 | -1.1% |
| 05/01 | 451 | 452 | 451 | 452 | -0.22% | 1,200 | 15億9341万 | -0.66% |
| 04/30 | 450 | 454 | 450 | 453 | +0.89% | 600 | 15億9693万 | -0.66% |
| 04/28 | 440 | 450 | 440 | 449 | +0.22% | 19,900 | 15億8283万 | -1.54% |
| 04/27 | 450 | 450 | 446 | 448 | -0.22% | 2,000 | 15億7931万 | -1.97% |
| 04/24 | 448 | 449 | 448 | 449 | 0% | 600 | 15億8283万 | -2.18% |
| 04/23 | 455 | 455 | 447 | 449 | -1.32% | 2,700 | 15億8283万 | -2.39% |
| 04/22 | 455 | 455 | 455 | 455 | +0.44% | 800 | 16億398万 | -1.3% |
| 04/21 | 453 | 453 | 453 | 453 | -1.09% | 200 | 15億9693万 | -1.74% |
| 04/20 | 458 | 458 | 458 | 458 | +1.78% | 100 | 16億1456万 | -0.87% |
| 04/17 | 450 | 452 | 448 | 450 | 0% | 3,000 | 15億8636万 | -2.81% |
| 04/16 | 451 | 452 | 450 | 450 | -0.22% | 2,100 | 15億8636万 | -3.23% |
| 04/15 | 452 | 452 | 451 | 451 | -0.22% | 700 | 15億8988万 | -3.43% |
| 04/14 | 450 | 452 | 450 | 452 | -1.31% | 1,100 | 15億9341万 | -3.42% |
| 04/13 | 449 | 459 | 449 | 458 | +1.1% | 2,800 | 16億1456万 | -2.55% |
| 04/10 | 459 | 459 | 453 | 453 | +0.67% | 6,600 | 15億9693万 | -3.82% |
| 04/09 | 461 | 461 | 449 | 450 | -1.75% | 10,700 | 15億8636万 | -4.66% |
| 04/08 | 461 | 461 | 458 | 458 | -0.65% | 500 | 16億1456万 | -3.17% |
| 04/07 | 453 | 461 | 453 | 461 | +1.1% | 500 | 16億2514万 | -2.95% |
| 04/06 | 460 | 463 | 456 | 456 | -1.08% | 500 | 16億751万 | -4% |
| 04/03 | 460 | 461 | 458 | 461 | +0.22% | 800 | 16億2514万 | -3.15% |
| 04/01 | 457 | 460 | 455 | 460 | +0.66% | 2,000 | 16億2161万 | -3.56% |
| 03/31 | (IR情報)16:30 KeywordmapにてGEO/LLMO 機能「AI検索結果レポート(β版)」の提供開始のお知ら |
| 03/31 | 461 | 461 | 457 | 457 | -0.22% | 300 | 16億1103万 | -4.39% |
| 03/30 | 457 | 458 | 457 | 458 | +0.44% | 1,200 | 16億1456万 | -4.38% |
| 03/27 | 475 | 475 | 452 | 456 | -2.36% | 10,600 | 16億751万 | -5% |
| 03/26 | 478 | 478 | 467 | 467 | -2.3% | 1,000 | 16億4629万 | -2.91% |
| 03/25 | 469 | 478 | 466 | 478 | +2.14% | 1,700 | 16億8506万 | -0.83% |
| 03/24 | 473 | 473 | 468 | 468 | -2.7% | 16,900 | 16億4981万 | -2.9% |
| 03/23 | 474 | 481 | 474 | 481 | +1.05% | 600 | 16億9459万 | -0.41% |
| 03/19 | 476 | 476 | 476 | 476 | +0.63% | 200 | 16億7698万 | -1.65% |
| 03/18 | 474 | 477 | 473 | 473 | -1.05% | 1,400 | 16億6641万 | -2.47% |
| 03/17 | 476 | 484 | 476 | 478 | +1.27% | 6,700 | 16億8402万 | -1.65% |
| 03/16 | (IR情報)15:00 Keywordmap にて「AI Overviews モニタリング機能」の 提供開始のお知らせ |
| 03/16 | 475 | 480 | 472 | 472 | -0.63% | 3,400 | 16億6289万 | -2.88% |
| 03/13 | (IR情報)16:00 2026年10月期第1四半期決算説明資料 |
| 03/13 | (IR情報)16:00 2026年10月期第1四半期決算短信〔日本基準〕(連結) |
| 03/13 | 493 | 493 | 475 | 475 | -2.46% | 4,000 | 16億7346万 | -2.46% |
| 03/12 | (IR情報)13:00 Keywordmap にて「AI スマートエディタ(β 版)」の提供開始のお知らせ |
| 03/12 | 485 | 495 | 484 | 487 | 0% | 2,700 | 17億1573万 | -0.2% |
| 03/11 | (IR情報)13:00 AI検索最適化(GEO/LLMO)ツールへの 「AIリーダビリティチェック機能」追加のお知らせ |
| 03/11 | 496 | 496 | 487 | 487 | -0.81% | 2,000 | 17億1573万 | -0.2% |
| 03/10 | 483 | 491 | 483 | 491 | +1.66% | 900 | 17億2982万 | +0.61% |
| 03/09 | 496 | 496 | 483 | 483 | -2.42% | 2,200 | 17億164万 | -1.02% |
| 03/06 | 489 | 495 | 475 | 495 | +0.2% | 1,700 | 17億4392万 | +1.23% |
| 03/05 | 484 | 494 | 476 | 494 | +3.35% | 9,100 | 17億4039万 | +1.02% |
| 03/04 | 480 | 483 | 475 | 478 | -1.24% | 5,800 | 16億8402万 | -2.25% |
| 03/03 | 492 | 492 | 483 | 484 | -0.62% | 2,300 | 17億516万 | -1.02% |
| 03/02 | 482 | 487 | 481 | 487 | +1.67% | 2,900 | 17億1573万 | -0.61% |
| 02/27 | (IR情報)13:00 AI 検索最適化(GEO/LLMO)ツールへの新機能実装のお知らせ |
| 02/27 | 489 | 489 | 479 | 479 | -0.42% | 2,800 | 16億8755万 | -2.44% |
| 02/26 | 488 | 489 | 481 | 481 | -0.21% | 4,200 | 16億9459万 | -2.24% |
| 02/25 | 484 | 484 | 482 | 482 | -0.21% | 1,500 | 16億9812万 | -2.03% |
| 02/24 | 491 | 491 | 483 | 483 | 0% | 200 | 17億164万 | -2.03% |
| 02/20 | 485 | 485 | 483 | 483 | -0.21% | 2,400 | 16億8614万 | -2.23% |
| 02/19 | (IR情報)13:00 AI検索最適化(GEO/LLMO)ツールへの新機能実装のお知らせ |
| 02/19 | 485 | 492 | 484 | 484 | -0.21% | 2,100 | 16億8963万 | -2.42% |
| 02/18 | 485 | 488 | 485 | 485 | 0% | 500 | 16億9312万 | -2.22% |
| 02/17 | 484 | 485 | 484 | 485 | +0.21% | 600 | 16億9312万 | -2.41% |
| 02/16 | 491 | 491 | 484 | 484 | -2.02% | 5,900 | 16億8963万 | -2.81% |
| 02/13 | 495 | 495 | 494 | 494 | -0.2% | 300 | 17億2454万 | -0.8% |
| 02/12 | 501 | 501 | 494 | 495 | -1% | 2,000 | 17億2803万 | -0.6% |
| 02/10 | 493 | 500 | 491 | 500 | +1.42% | 2,600 | 17億4548万 | +0.4% |
| 02/09 | (IR情報)13:00 AI検索最適化(GEO/LLMO)ツールへの新機能実装のお知らせ |
| 02/09 | 493 | 500 | 493 | 493 | -1.4% | 2,000 | 17億2105万 | -1% |
| 02/06 | 493 | 500 | 491 | 500 | +1.21% | 1,000 | 17億4548万 | +0.4% |
| 02/05 | 491 | 494 | 491 | 494 | +0.2% | 700 | 17億2454万 | -0.8% |
| 02/04 | 492 | 493 | 492 | 493 | +0.2% | 800 | 17億2105万 | -0.8% |
| 02/03 | 492 | 492 | 492 | 492 | +0.2% | 100 | 17億1755万 | -1.01% |
| 02/02 | 491 | 491 | 491 | 491 | 0% | 1,200 | 17億1406万 | -1.21% |
| 01/30 | 495 | 495 | 491 | 491 | -0.81% | 200 | 17億1406万 | -1.21% |
| 01/29 | (IR情報)16:00 支配株主等に関する事項について |
| 01/29 | (IR情報)16:00 事業計画及び成長可能性に関する事項 |
| 01/29 | 495 | 495 | 495 | 495 | +0.61% | 100 | 17億2803万 | -0.2% |
| 01/28 | 491 | 492 | 491 | 492 | +0.2% | 700 | 17億1755万 | -0.81% |
| 01/27 | 493 | 493 | 491 | 491 | -1.01% | 1,000 | 17億1406万 | -1.01% |
| 01/26 | 505 | 505 | 496 | 496 | -1.78% | 700 | 17億3152万 | +0.2% |
| 01/23 | 500 | 505 | 500 | 505 | +1.2% | 800 | 17億6294万 | +2.02% |
| 01/22 | 501 | 501 | 499 | 499 | -0.4% | 500 | 17億4199万 | +0.81% |
| 01/21 | (IR情報)13:00 AI検索最適化(GEO/LLMO)支援ツールの機能拡充のお知らせ |