| 2026 |
| 10/01 | 1,904 | 1,926 | 1,904 | 1,915 | +0.42% | 2,700 | - | -1.03% |
| 09/30 | 1,917 | 1,932 | 1,876 | 1,907 | -1.19% | 10,400 | - | -1.6% |
| 09/29 | (IR情報)15:30 当社機構改革、執行役員分担変更および部長人事について |
| 09/29 | 1,940 | 1,941 | 1,920 | 1,930 | -0.57% | 4,700 | - | -0.57% |
| 09/28 | (IR情報)15:30 太陽石油株式会社「DataDelivery(R)クラウド」を導入 |
| 09/28 | 1,923 | 1,948 | 1,923 | 1,941 | +0.94% | 10,700 | - | -0.05% |
| 09/25 | 1,929 | 1,935 | 1,916 | 1,923 | +0.58% | 4,500 | - | -0.98% |
| 09/24 | 1,901 | 1,931 | 1,901 | 1,912 | +0.58% | 23,700 | - | -1.65% |
| 09/18 | 1,913 | 1,920 | 1,900 | 1,901 | -0.63% | 16,800 | - | -2.26% |
| 09/17 | 1,902 | 1,924 | 1,902 | 1,913 | +0.63% | 7,000 | - | -1.75% |
| 09/16 | 1,911 | 1,944 | 1,888 | 1,901 | -0.58% | 14,100 | - | -2.36% |
| 09/15 | (IR情報)15:30 JFEシステムズ、原価管理システム「J-CCOREs(R)」にSAPユーザー向けERP連携シミュレーション機能を追加 |
| 09/15 | 1,931 | 1,933 | 1,912 | 1,912 | -0.98% | 6,600 | - | -1.85% |
| 09/14 | 1,906 | 1,933 | 1,901 | 1,931 | +1.05% | 23,000 | - | -0.87% |
| 09/11 | 1,902 | 1,924 | 1,900 | 1,911 | 0% | 4,800 | - | -1.85% |
| 09/10 | 1,906 | 1,930 | 1,905 | 1,911 | -0.42% | 5,300 | - | -1.8% |
| 09/09 | 1,916 | 1,931 | 1,890 | 1,919 | +0.73% | 12,900 | - | -1.34% |
| 09/08 | (IR情報)15:30 JFEシステムズ サステナビリティサイトが「Gomez ESGサイトランキング2026」において優秀企業に選定 |
| 09/08 | 1,934 | 1,934 | 1,903 | 1,905 | -1.5% | 12,900 | - | -2.01% |
| 09/07 | 1,910 | 1,939 | 1,871 | 1,934 | +1.36% | 34,700 | - | -0.51% |
| 09/04 | 1,933 | 1,939 | 1,906 | 1,908 | -0.57% | 33,900 | - | -1.8% |
| 09/03 | 1,945 | 1,980 | 1,911 | 1,919 | -1.49% | 22,300 | - | -1.24% |
| 09/02 | 2,001 | 2,001 | 1,944 | 1,948 | -2.65% | 20,900 | - | -0.1% |
| 09/01 | 2,003 | 2,031 | 1,982 | 2,001 | +0.45% | 14,100 | - | +2.46% |
| 08/31 | (IR情報)15:30 JFEシステムズ、電子帳票パッケージ FiBridge(R)シリーズで 19年連続シェアNo.1を獲得 |
| 08/31 | 1,995 | 2,010 | 1,979 | 1,992 | -0.15% | 10,800 | - | +1.89% |
| 08/28 | 1,980 | 2,005 | 1,974 | 1,995 | +0.76% | 5,400 | - | +1.99% |
| 08/27 | 1,986 | 2,019 | 1,980 | 1,980 | -0.3% | 12,900 | - | +1.18% |
| 08/26 | (IR情報)15:30 JFEシステムズを親子で楽しむ、会社を知る「ファミリーデー 2026」開催 |
| 08/26 | 2,004 | 2,007 | 1,980 | 1,986 | +0.25% | 8,100 | - | +1.43% |
| 08/25 | 2,005 | 2,005 | 1,981 | 1,981 | -0.1% | 5,500 | - | +1.07% |
| 08/24 | 1,994 | 2,015 | 1,978 | 1,983 | +0.15% | 25,200 | - | +1.17% |
| 08/21 | 1,955 | 1,991 | 1,955 | 1,980 | +1.23% | 9,700 | - | +0.97% |
| 08/20 | (IR情報)16:30 JFEシステムズ、社員・グループ会社向け「JFE-SIフォーラム2026」をハイブリッド開催 |
| 08/20 | 1,959 | 1,983 | 1,950 | 1,956 | -0.15% | 19,900 | - | -0.31% |
| 08/19 | 1,957 | 1,961 | 1,920 | 1,959 | -0.1% | 17,900 | - | -0.2% |
| 08/18 | 1,952 | 1,969 | 1,942 | 1,961 | +1.13% | 5,900 | - | -0.2% |
| 08/17 | 1,949 | 1,959 | 1,925 | 1,939 | -0.51% | 20,400 | - | -1.42% |
| 08/14 | 1,933 | 1,959 | 1,927 | 1,949 | +1.62% | 7,500 | - | -1.07% |
| 08/13 | 1,927 | 1,937 | 1,913 | 1,918 | +0.26% | 6,200 | - | -2.79% |
| 08/12 | 1,916 | 1,939 | 1,911 | 1,913 | 0% | 14,600 | - | -3.24% |
| 08/10 | 1,918 | 1,931 | 1,910 | 1,913 | +0.53% | 5,700 | - | -3.43% |
| 08/07 | 1,915 | 1,924 | 1,885 | 1,903 | 0% | 5,300 | - | -4.13% |
| 08/06 | 1,880 | 1,923 | 1,880 | 1,903 | +1.22% | 8,500 | - | -4.37% |
| 08/05 | 1,902 | 1,904 | 1,875 | 1,880 | -0.53% | 18,500 | - | -5.62% |
| 08/04 | 1,910 | 1,920 | 1,881 | 1,890 | -1.05% | 18,000 | - | -5.22% |
| 08/03 | 1,913 | 1,915 | 1,872 | 1,910 | -0.16% | 18,000 | - | -4.21% |
| 07/31 | 1,930 | 1,946 | 1,896 | 1,913 | -0.05% | 26,100 | - | -4.06% |
| 07/30 | 1,995 | 2,020 | 1,910 | 1,914 | -7.94% | 53,100 | - | -3.96% |
| 07/29 | (IR情報)15:30 2027年3月期第1四半期決算概況 |
| 07/29 | (IR情報)15:30 2027年3月期第1四半期決算短信〔日本基準〕(連結) |
| 07/29 | 2,027 | 2,082 | 2,027 | 2,079 | +2.62% | 28,400 | - | +4.42% |
| 07/28 | 2,012 | 2,043 | 2,001 | 2,026 | -1.17% | 20,500 | - | +2.17% |
| 07/27 | 1,998 | 2,063 | 1,998 | 2,050 | +2.09% | 53,300 | - | +3.64% |
| 07/24 | 2,023 | 2,025 | 1,995 | 2,008 | -0.89% | 18,300 | - | +1.88% |
| 07/23 | (IR情報)15:30 松浪硝子工業株式会社、「MESTEN(R)」「J-CCOREs(R)」を導入 |
| 07/23 | 2,010 | 2,026 | 1,988 | 2,026 | +1.05% | 27,400 | - | +3% |
| 07/22 | 2,043 | 2,043 | 1,965 | 2,005 | -1.86% | 24,300 | - | +2.24% |
| 07/21 | 1,987 | 2,045 | 1,984 | 2,043 | +2.87% | 10,900 | - | +4.45% |
| 07/17 | 2,002 | 2,040 | 1,967 | 1,986 | -0.8% | 14,400 | - | +1.85% |
| 07/16 | 1,981 | 2,023 | 1,981 | 2,002 | +0.15% | 8,900 | - | +2.93% |
| 07/15 | 1,990 | 1,999 | 1,970 | 1,999 | +0.6% | 6,400 | - | +3.15% |
| 07/14 | 1,982 | 2,015 | 1,975 | 1,987 | -0.7% | 8,500 | - | +2.74% |
| 07/13 | 2,002 | 2,032 | 2,001 | 2,001 | -0.45% | 3,800 | - | +3.57% |
| 07/10 | 2,015 | 2,019 | 2,000 | 2,010 | -0.59% | 2,500 | - | +4.2% |
| 07/09 | 2,011 | 2,028 | 2,007 | 2,022 | -0.3% | 5,400 | - | +4.88% |
| 07/08 | 2,007 | 2,033 | 2,006 | 2,028 | +0.1% | 4,500 | - | +5.35% |
| 07/07 | 2,013 | 2,026 | 2,002 | 2,026 | +1.76% | 4,400 | - | +5.41% |
| 07/06 | 2,034 | 2,037 | 1,991 | 1,991 | -1.73% | 7,000 | - | +3.81% |
| 07/03 | 2,029 | 2,049 | 1,993 | 2,026 | -0.15% | 54,800 | - | +5.69% |
| 07/02 | 1,968 | 2,031 | 1,960 | 2,029 | +3.57% | 18,600 | - | +6.12% |
| 07/01 | 1,909 | 1,974 | 1,909 | 1,959 | +2.62% | 11,400 | - | +2.73% |
| 06/30 | (IR情報)15:30 支配株主等に関する事項について |
| 06/30 | (IR情報)15:30 当社部長人事について |
| 06/30 | 1,932 | 1,932 | 1,909 | 1,909 | -0.21% | 1,800 | - | +0.21% |
| 06/29 | 1,899 | 1,934 | 1,899 | 1,913 | +0.74% | 9,000 | - | +0.47% |
| 06/26 | 1,880 | 1,919 | 1,880 | 1,899 | +0.64% | 20,300 | - | -0.31% |
| 06/25 | (IR情報)15:30 JFEシステムズ、当社社員が「2026 Japan All AWS Certifications Engineers」に選出 |
| 06/25 | 1,880 | 1,907 | 1,862 | 1,887 | +1.13% | 24,800 | - | -0.94% |
| 06/24 | 1,868 | 1,877 | 1,860 | 1,866 | -0.74% | 20,000 | - | -2.05% |
| 06/23 | 1,896 | 1,898 | 1,861 | 1,880 | -0.95% | 12,400 | - | -1.42% |
| 06/22 | 1,907 | 1,907 | 1,871 | 1,898 | +0.69% | 11,000 | - | -0.52% |
| 06/19 | 1,891 | 1,908 | 1,862 | 1,885 | -0.32% | 22,900 | - | -1.21% |
| 06/18 | 1,875 | 1,894 | 1,861 | 1,891 | +0.85% | 6,400 | - | -0.89% |
| 06/17 | 1,886 | 1,894 | 1,874 | 1,875 | -0.05% | 7,100 | - | -1.78% |
| 06/16 | 1,900 | 1,902 | 1,873 | 1,876 | -1.47% | 5,400 | - | -1.83% |
| 06/15 | (IR情報)15:30 JFEシステムズ、女性活躍推進法に基づく「えるぼし(3段階目)」認定を取得 |
| 06/15 | 1,866 | 1,904 | 1,855 | 1,904 | +2.81% | 7,500 | - | -0.42% |
| 06/12 | 1,857 | 1,857 | 1,812 | 1,852 | +0.33% | 26,500 | - | -3.14% |
| 06/11 | 1,856 | 1,871 | 1,841 | 1,846 | -2.64% | 21,400 | - | -3.8% |
| 06/10 | 1,903 | 1,928 | 1,865 | 1,896 | -1.61% | 19,800 | - | -1.3% |
| 06/09 | 1,935 | 1,948 | 1,895 | 1,927 | -0.41% | 12,700 | - | +0.36% |
| 06/08 | 1,970 | 1,995 | 1,900 | 1,935 | -1.98% | 54,400 | - | +0.89% |
| 06/05 | 1,920 | 1,990 | 1,920 | 1,974 | +0.97% | 6,000 | - | +2.92% |
| 06/04 | (IR情報)15:30 JFEシステムズ、クラウド型Web購買システム「Prociec(R)」の新バージョン(Ver.1.3)をリリース |
| 06/04 | 1,940 | 1,958 | 1,940 | 1,955 | +0.77% | 2,700 | - | +2.09% |
| 06/03 | (IR情報)11:00 アステリア株式会社主催「Asteria Partner Summit 2026」にて「ASTERIA Warp Contribution Award 2026」を受賞 |
| 06/03 | 1,926 | 1,984 | 1,907 | 1,940 | +0.78% | 20,500 | - | +1.2% |
| 06/02 | 1,944 | 1,970 | 1,899 | 1,925 | -2.28% | 31,200 | - | +0.26% |
| 06/01 | 1,924 | 1,999 | 1,907 | 1,970 | +3.74% | 29,200 | - | +2.44% |
| 05/29 | 1,915 | 1,934 | 1,899 | 1,899 | -0.63% | 11,700 | - | -1.3% |
| 05/28 | 1,922 | 1,924 | 1,895 | 1,911 | +0.58% | 4,800 | - | -0.93% |
| 05/27 | 1,906 | 1,924 | 1,900 | 1,900 | -0.26% | 7,700 | - | -1.66% |
| 05/26 | (IR情報)11:35 JFEシステムズの電子帳簿システム「DataDelivery(R)」がデジタルシームレスソフト法的要件認証の全ての範囲で認証を取得 |
| 05/26 | 1,901 | 1,924 | 1,894 | 1,905 | -0.73% | 9,000 | - | -1.6% |
| 05/25 | 1,910 | 1,936 | 1,905 | 1,919 | +0.95% | 4,600 | - | -1.03% |
| 05/22 | (IR情報)15:30 株主提案に対する当社取締役会意見に関するお知らせ |
| 05/22 | 1,906 | 1,937 | 1,891 | 1,901 | 0% | 3,800 | - | -2.16% |
| 05/21 | 1,901 | 1,938 | 1,901 | 1,901 | +0.11% | 12,900 | - | -2.36% |
| 05/20 | 1,927 | 1,942 | 1,899 | 1,899 | -1.09% | 15,500 | - | -2.81% |
| 05/19 | 1,902 | 1,933 | 1,902 | 1,920 | +1.11% | 2,100 | - | -2.14% |
| 05/18 | 1,892 | 1,913 | 1,891 | 1,899 | +0.42% | 4,900 | - | -3.65% |
| 05/15 | 1,905 | 1,911 | 1,891 | 1,891 | -0.53% | 5,500 | - | -4.35% |
| 05/14 | 1,915 | 1,928 | 1,891 | 1,901 | -0.83% | 4,800 | - | -4.23% |
| 05/13 | 1,900 | 1,928 | 1,900 | 1,917 | +0.05% | 7,200 | - | -3.67% |
| 05/12 | 1,944 | 1,944 | 1,899 | 1,916 | +0.47% | 38,200 | - | -3.96% |
| 05/11 | 1,971 | 1,979 | 1,907 | 1,907 | -5.5% | 20,100 | - | -4.6% |
| 05/08 | 1,919 | 2,024 | 1,913 | 2,018 | +5.88% | 58,800 | - | +0.75% |