| 2026 |
| 09/10 | 1,906 | 1,930 | 1,905 | 1,911 | -0.42% | 5,300 | 600億2833万 | -1.8% |
| 09/09 | 1,916 | 1,931 | 1,890 | 1,919 | +0.73% | 12,900 | 602億7962万 | -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 | 598億3986万 | -2.01% |
| 09/07 | 1,910 | 1,939 | 1,871 | 1,934 | +1.36% | 34,700 | 607億5080万 | -0.51% |
| 09/04 | 1,933 | 1,939 | 1,906 | 1,908 | -0.57% | 33,900 | 599億3409万 | -1.8% |
| 09/03 | 1,945 | 1,980 | 1,911 | 1,919 | -1.49% | 22,300 | 602億7962万 | -1.24% |
| 09/02 | 2,001 | 2,001 | 1,944 | 1,948 | -2.65% | 20,900 | 611億9057万 | -0.1% |
| 09/01 | 2,003 | 2,031 | 1,982 | 2,001 | +0.45% | 14,100 | 628億5541万 | +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 | 625億7270万 | +1.89% |
| 08/28 | 1,980 | 2,005 | 1,974 | 1,995 | +0.76% | 5,400 | 626億6694万 | +1.99% |
| 08/27 | 1,986 | 2,019 | 1,980 | 1,980 | -0.3% | 12,900 | 621億9576万 | +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 | 623億8423万 | +1.43% |
| 08/25 | 2,005 | 2,005 | 1,981 | 1,981 | -0.1% | 5,500 | 622億2717万 | +1.07% |
| 08/24 | 1,994 | 2,015 | 1,978 | 1,983 | +0.15% | 25,200 | 622億8999万 | +1.17% |
| 08/21 | 1,955 | 1,991 | 1,955 | 1,980 | +1.23% | 9,700 | 621億9576万 | +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 | 614億4187万 | -0.31% |
| 08/19 | 1,957 | 1,961 | 1,920 | 1,959 | -0.1% | 17,900 | 615億3610万 | -0.2% |
| 08/18 | 1,952 | 1,969 | 1,942 | 1,961 | +1.13% | 5,900 | 615億9893万 | -0.2% |
| 08/17 | 1,949 | 1,959 | 1,925 | 1,939 | -0.51% | 20,400 | 609億786万 | -1.42% |
| 08/14 | 1,933 | 1,959 | 1,927 | 1,949 | +1.62% | 7,500 | 612億2198万 | -1.07% |
| 08/13 | 1,927 | 1,937 | 1,913 | 1,918 | +0.26% | 6,200 | 602億4821万 | -2.79% |
| 08/12 | 1,916 | 1,939 | 1,911 | 1,913 | 0% | 14,600 | 600億9115万 | -3.24% |
| 08/10 | 1,918 | 1,931 | 1,910 | 1,913 | +0.53% | 5,700 | 600億9115万 | -3.43% |
| 08/07 | 1,915 | 1,924 | 1,885 | 1,903 | 0% | 5,300 | 597億7703万 | -4.13% |
| 08/06 | 1,880 | 1,923 | 1,880 | 1,903 | +1.22% | 8,500 | 597億7703万 | -4.37% |
| 08/05 | 1,902 | 1,904 | 1,875 | 1,880 | -0.53% | 18,500 | 590億5456万 | -5.62% |
| 08/04 | 1,910 | 1,920 | 1,881 | 1,890 | -1.05% | 18,000 | 593億6868万 | -5.22% |
| 08/03 | 1,913 | 1,915 | 1,872 | 1,910 | -0.16% | 18,000 | 599億9692万 | -4.21% |
| 07/31 | 1,930 | 1,946 | 1,896 | 1,913 | -0.05% | 26,100 | 600億9115万 | -4.06% |
| 07/30 | 1,995 | 2,020 | 1,910 | 1,914 | -7.94% | 53,100 | 601億2256万 | -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 | 653億554万 | +4.42% |
| 07/28 | 2,012 | 2,043 | 2,001 | 2,026 | -1.17% | 20,500 | 636億4071万 | +2.17% |
| 07/27 | 1,998 | 2,063 | 1,998 | 2,050 | +2.09% | 53,300 | 643億9460万 | +3.64% |
| 07/24 | 2,023 | 2,025 | 1,995 | 2,008 | -0.89% | 18,300 | 630億7529万 | +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 | 636億4071万 | +3% |
| 07/22 | 2,043 | 2,043 | 1,965 | 2,005 | -1.86% | 24,300 | 629億8106万 | +2.24% |
| 07/21 | 1,987 | 2,045 | 1,984 | 2,043 | +2.87% | 10,900 | 641億7471万 | +4.45% |
| 07/17 | 2,002 | 2,040 | 1,967 | 1,986 | -0.8% | 14,400 | 623億8423万 | +1.85% |
| 07/16 | 1,981 | 2,023 | 1,981 | 2,002 | +0.15% | 8,900 | 628億8682万 | +2.93% |
| 07/15 | 1,990 | 1,999 | 1,970 | 1,999 | +0.6% | 6,400 | 627億9258万 | +3.15% |
| 07/14 | 1,982 | 2,015 | 1,975 | 1,987 | -0.7% | 8,500 | 624億1564万 | +2.74% |
| 07/13 | 2,002 | 2,032 | 2,001 | 2,001 | -0.45% | 3,800 | 628億5541万 | +3.57% |
| 07/10 | 2,015 | 2,019 | 2,000 | 2,010 | -0.59% | 2,500 | 631億3812万 | +4.2% |
| 07/09 | 2,011 | 2,028 | 2,007 | 2,022 | -0.3% | 5,400 | 635億1506万 | +4.88% |
| 07/08 | 2,007 | 2,033 | 2,006 | 2,028 | +0.1% | 4,500 | 637億353万 | +5.35% |
| 07/07 | 2,013 | 2,026 | 2,002 | 2,026 | +1.76% | 4,400 | 636億4071万 | +5.41% |
| 07/06 | 2,034 | 2,037 | 1,991 | 1,991 | -1.73% | 7,000 | 625億4129万 | +3.81% |
| 07/03 | 2,029 | 2,049 | 1,993 | 2,026 | -0.15% | 54,800 | 636億4071万 | +5.69% |
| 07/02 | 1,968 | 2,031 | 1,960 | 2,029 | +3.57% | 18,600 | 637億3494万 | +6.12% |
| 07/01 | 1,909 | 1,974 | 1,909 | 1,959 | +2.62% | 11,400 | 615億3610万 | +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 | 599億6550万 | +0.21% |
| 06/29 | 1,899 | 1,934 | 1,899 | 1,913 | +0.74% | 9,000 | 600億9115万 | +0.47% |
| 06/26 | 1,880 | 1,919 | 1,880 | 1,899 | +0.64% | 20,300 | 596億5138万 | -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 | 592億7444万 | -0.94% |
| 06/24 | 1,868 | 1,877 | 1,860 | 1,866 | -0.74% | 20,000 | 586億1479万 | -2.05% |
| 06/23 | 1,896 | 1,898 | 1,861 | 1,880 | -0.95% | 12,400 | 590億5456万 | -1.42% |
| 06/22 | 1,907 | 1,907 | 1,871 | 1,898 | +0.69% | 11,000 | 596億1997万 | -0.52% |
| 06/19 | 1,891 | 1,908 | 1,862 | 1,885 | -0.32% | 22,900 | 592億1162万 | -1.21% |
| 06/18 | 1,875 | 1,894 | 1,861 | 1,891 | +0.85% | 6,400 | 594億9万 | -0.89% |
| 06/17 | 1,886 | 1,894 | 1,874 | 1,875 | -0.05% | 7,100 | 588億9750万 | -1.78% |
| 06/16 | 1,900 | 1,902 | 1,873 | 1,876 | -1.47% | 5,400 | 589億2891万 | -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 | 598億844万 | -0.42% |
| 06/12 | 1,857 | 1,857 | 1,812 | 1,852 | +0.33% | 26,500 | 581億7502万 | -3.14% |
| 06/11 | 1,856 | 1,871 | 1,841 | 1,846 | -2.64% | 21,400 | 579億8655万 | -3.8% |
| 06/10 | 1,903 | 1,928 | 1,865 | 1,896 | -1.61% | 19,800 | 595億5715万 | -1.3% |
| 06/09 | 1,935 | 1,948 | 1,895 | 1,927 | -0.41% | 12,700 | 605億3092万 | +0.36% |
| 06/08 | 1,970 | 1,995 | 1,900 | 1,935 | -1.98% | 54,400 | 607億8222万 | +0.89% |
| 06/05 | 1,920 | 1,990 | 1,920 | 1,974 | +0.97% | 6,000 | 620億728万 | +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 | 614億1046万 | +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 | 609億3928万 | +1.2% |
| 06/02 | 1,944 | 1,970 | 1,899 | 1,925 | -2.28% | 31,200 | 604億6810万 | +0.26% |
| 06/01 | 1,924 | 1,999 | 1,907 | 1,970 | +3.74% | 29,200 | 618億8164万 | +2.44% |
| 05/29 | 1,915 | 1,934 | 1,899 | 1,899 | -0.63% | 11,700 | 596億5138万 | -1.3% |
| 05/28 | 1,922 | 1,924 | 1,895 | 1,911 | +0.58% | 4,800 | 600億2833万 | -0.93% |
| 05/27 | 1,906 | 1,924 | 1,900 | 1,900 | -0.26% | 7,700 | 596億8280万 | -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 | 598億3986万 | -1.6% |
| 05/25 | 1,910 | 1,936 | 1,905 | 1,919 | +0.95% | 4,600 | 602億7962万 | -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 | 597億1421万 | -2.16% |
| 05/21 | 1,901 | 1,938 | 1,901 | 1,901 | +0.11% | 12,900 | 597億1421万 | -2.36% |
| 05/20 | 1,927 | 1,942 | 1,899 | 1,899 | -1.09% | 15,500 | 596億5138万 | -2.81% |
| 05/19 | 1,902 | 1,933 | 1,902 | 1,920 | +1.11% | 2,100 | 603億1104万 | -2.14% |
| 05/18 | 1,892 | 1,913 | 1,891 | 1,899 | +0.42% | 4,900 | 596億5138万 | -3.65% |
| 05/15 | 1,905 | 1,911 | 1,891 | 1,891 | -0.53% | 5,500 | 594億9万 | -4.35% |
| 05/14 | 1,915 | 1,928 | 1,891 | 1,901 | -0.83% | 4,800 | 597億1421万 | -4.23% |
| 05/13 | 1,900 | 1,928 | 1,900 | 1,917 | +0.05% | 7,200 | 602億1680万 | -3.67% |
| 05/12 | 1,944 | 1,944 | 1,899 | 1,916 | +0.47% | 38,200 | 601億8539万 | -3.96% |
| 05/11 | 1,971 | 1,979 | 1,907 | 1,907 | -5.5% | 20,100 | 599億268万 | -4.6% |
| 05/08 | 1,919 | 2,024 | 1,913 | 2,018 | +5.88% | 58,800 | 633億8941万 | +0.75% |
| 05/07 | 1,898 | 1,910 | 1,870 | 1,906 | +2.42% | 20,500 | 598億7127万 | -4.84% |
| 05/01 | 1,891 | 1,891 | 1,860 | 1,861 | -1.59% | 19,200 | 584億5773万 | -7.41% |
| 04/30 | 1,880 | 1,911 | 1,865 | 1,891 | -1.15% | 35,900 | 594億9万 | -6.29% |
| 04/28 | 1,949 | 1,949 | 1,875 | 1,913 | +0.21% | 31,400 | 600億9115万 | -5.53% |
| 04/27 | 1,955 | 1,958 | 1,898 | 1,909 | -4.79% | 61,000 | 599億6550万 | -6.01% |
| 04/24 | (IR情報)18:40 2026年3月期決算説明会質疑応答(要旨) |
| 04/24 | (IR情報)15:30 2026年3月期決算説明会資料 |
| 04/24 | (IR情報)15:30 通期個別業績の前期決算値との差異に関するお知らせ |
| 04/24 | (IR情報)15:30 2026年3月期決算短信〔日本基準〕(連結) |
| 04/24 | 2,032 | 2,032 | 1,987 | 2,005 | -0.69% | 27,600 | 629億8106万 | -1.47% |
| 04/23 | 1,985 | 2,023 | 1,985 | 2,019 | +1.3% | 14,700 | 634億2082万 | -0.88% |
| 04/22 | 2,011 | 2,021 | 1,993 | 1,993 | -0.9% | 11,600 | 626億411万 | -2.35% |
| 04/21 | 2,023 | 2,026 | 1,995 | 2,011 | +0.45% | 8,300 | 631億6953万 | -1.61% |
| 04/20 | 1,991 | 2,013 | 1,953 | 2,002 | +0.55% | 29,400 | 628億8682万 | -2.1% |
| 04/17 | 1,979 | 2,000 | 1,946 | 1,991 | -0.2% | 22,900 | 625億4129万 | -2.74% |
| 04/16 | 1,981 | 2,007 | 1,966 | 1,995 | +0.4% | 22,300 | 626億6694万 | -2.68% |