| 2026 |
| 03/06 | 2,092 | 2,130 | 2,075 | 2,098 | +0.29% | 18,900 | 659億237万 | -1.08% |
| 03/05 | 2,114 | 2,129 | 2,073 | 2,092 | +2.9% | 14,500 | 657億1390万 | -1.74% |
| 03/04 | 2,074 | 2,074 | 2,020 | 2,033 | -2.82% | 17,100 | 638億6059万 | -5% |
| 03/03 | 2,154 | 2,166 | 2,092 | 2,092 | -2.88% | 14,100 | 657億1390万 | -2.79% |
| 03/02 | 2,117 | 2,155 | 2,117 | 2,154 | -0.09% | 8,500 | 676億6144万 | -0.42% |
| 02/27 | 2,138 | 2,169 | 2,118 | 2,156 | +2.23% | 40,000 | 677億2427万 | -0.69% |
| 02/26 | 2,061 | 2,118 | 2,049 | 2,109 | +3.59% | 28,000 | 662億4790万 | -3.26% |
| 02/25 | (IR情報)15:30 当社機構改革について |
| 02/25 | 2,004 | 2,048 | 2,004 | 2,036 | -0.05% | 28,300 | 639億5483万 | -7.07% |
| 02/24 | (IR情報)15:00 JFEシステムズ社員 川島 真琴選手が東京都栄誉賞・都民スポーツ大賞を受賞 |
| 02/24 | 2,065 | 2,065 | 2,017 | 2,037 | -1.36% | 23,100 | 639億8624万 | -7.7% |
| 02/20 | 2,083 | 2,095 | 2,043 | 2,065 | -0.39% | 24,800 | 648億6578万 | -7.15% |
| 02/19 | 2,065 | 2,073 | 2,034 | 2,073 | +0.39% | 25,200 | 651億1707万 | -7.41% |
| 02/18 | 2,065 | 2,076 | 2,051 | 2,065 | -0.53% | 33,300 | 648億6578万 | -8.34% |
| 02/17 | 2,090 | 2,092 | 2,061 | 2,076 | -0.76% | 29,600 | 652億1131万 | -8.43% |
| 02/16 | (IR情報)15:00 当社執行役員体制について |
| 02/16 | 2,127 | 2,127 | 2,085 | 2,092 | -0.99% | 30,600 | 657億1390万 | -8.29% |
| 02/13 | 2,155 | 2,164 | 2,110 | 2,113 | -1.9% | 13,300 | 663億7355万 | -7.85% |
| 02/12 | 2,187 | 2,187 | 2,154 | 2,154 | -1.51% | 14,600 | 676億6144万 | -6.51% |
| 02/10 | 2,108 | 2,188 | 2,108 | 2,187 | +3.8% | 26,900 | 686億9804万 | -5.45% |
| 02/09 | 2,104 | 2,125 | 2,096 | 2,107 | +0.77% | 27,900 | 661億8508万 | -9.18% |
| 02/06 | 2,132 | 2,144 | 2,087 | 2,091 | -2.06% | 21,000 | 656億8249万 | -10.33% |
| 02/05 | 2,152 | 2,163 | 2,123 | 2,135 | -1.39% | 37,700 | 670億6462万 | -8.84% |
| 02/04 | 2,220 | 2,225 | 2,165 | 2,165 | -2.7% | 36,700 | 680億698万 | -7.91% |
| 02/03 | 2,224 | 2,244 | 2,197 | 2,225 | +0.04% | 40,000 | 698億9170万 | -5.64% |
| 02/02 | 2,268 | 2,313 | 2,205 | 2,224 | -1.9% | 22,800 | 698億6028万 | -5.96% |
| 01/30 | 2,180 | 2,272 | 2,180 | 2,267 | +3.99% | 41,300 | 712億1100万 | -4.43% |
| 01/29 | 2,286 | 2,286 | 2,127 | 2,180 | -4.97% | 87,700 | 684億7816万 | -8.29% |
| 01/28 | (IR情報)15:30 2026年3月期第3四半期決算概況 |
| 01/28 | (IR情報)15:30 2026年3月期第3四半期決算短信〔日本基準〕(連結) |
| 01/28 | (IR情報)14:00 代表取締役の異動に関するお知らせ |
| 01/28 | 2,337 | 2,341 | 2,260 | 2,294 | -2.84% | 19,700 | 720億5912万 | -3.73% |
| 01/27 | 2,332 | 2,364 | 2,321 | 2,361 | +0.47% | 34,700 | 741億6373万 | -1.01% |
| 01/26 | 2,360 | 2,378 | 2,321 | 2,350 | -0.68% | 24,400 | 738億1820万 | -1.34% |
| 01/23 | (IR情報)11:00 JFEシステムズ社員 冨樫 由稀選手が、ろう野球日本代表に内定 |
| 01/23 | 2,355 | 2,400 | 2,318 | 2,366 | +0.51% | 42,100 | 743億2079万 | -0.55% |
| 01/22 | 2,390 | 2,409 | 2,351 | 2,354 | -0.72% | 31,000 | 739億4384万 | -0.88% |
| 01/21 | 2,370 | 2,389 | 2,350 | 2,371 | -0.88% | 15,600 | 744億7785万 | 0% |
| 01/20 | 2,434 | 2,434 | 2,377 | 2,392 | -1.73% | 27,800 | 751億3750万 | +1.14% |
| 01/19 | 2,446 | 2,446 | 2,399 | 2,434 | -1.42% | 11,400 | 764億5680万 | +3.09% |
| 01/16 | 2,412 | 2,469 | 2,398 | 2,469 | +1.44% | 24,900 | 775億5622万 | +4.84% |
| 01/15 | 2,416 | 2,450 | 2,399 | 2,434 | +0.75% | 11,400 | 764億5680万 | +3.71% |
| 01/14 | 2,429 | 2,450 | 2,407 | 2,416 | -0.45% | 16,700 | 758億9139万 | +3.25% |
| 01/13 | 2,410 | 2,429 | 2,388 | 2,427 | +0.75% | 14,400 | 762億3692万 | +4.07% |
| 01/09 | 2,397 | 2,409 | 2,387 | 2,409 | +0.5% | 11,400 | 756億7150万 | +3.79% |
| 01/08 | 2,387 | 2,402 | 2,360 | 2,397 | +0.21% | 15,200 | 752億9456万 | +3.81% |
| 01/07 | 2,380 | 2,409 | 2,380 | 2,392 | +0.42% | 11,800 | 751億3750万 | +4.14% |
| 01/06 | 2,406 | 2,406 | 2,370 | 2,382 | +0.89% | 14,700 | 748億2338万 | +4.25% |
| 01/05 | (IR情報)15:30 日興アイ・アール「2025年度 全上場企業ホームページ充実度ランキング」にて総合部門・スタンダード市場部門の2部門で「最優秀サイト」受賞 |
| 01/05 | 2,386 | 2,400 | 2,348 | 2,361 | -1.67% | 23,600 | 741億6373万 | +3.96% |
| 2025 |
| 12/30 | 2,347 | 2,408 | 2,345 | 2,401 | +2.3% | 19,200 | 754億2021万 | +6.33% |
| 12/29 | 2,348 | 2,383 | 2,328 | 2,347 | -0.38% | 16,200 | 737億2396万 | +4.68% |
| 12/26 | 2,371 | 2,381 | 2,343 | 2,356 | +0.34% | 21,300 | 740億667万 | +5.65% |
| 12/25 | (IR情報)15:30 当社機構改革および部長人事について |
| 12/25 | 2,397 | 2,417 | 2,336 | 2,348 | -2.04% | 15,800 | 737億5537万 | +6% |
| 12/24 | 2,397 | 2,436 | 2,395 | 2,397 | 0% | 18,300 | 752億9456万 | +8.95% |
| 12/23 | 2,395 | 2,425 | 2,358 | 2,397 | +0.08% | 32,900 | 752億9456万 | +9.8% |
| 12/22 | 2,350 | 2,395 | 2,342 | 2,395 | +2.53% | 35,400 | 752億3174万 | +10.67% |
| 12/19 | 2,331 | 2,350 | 2,331 | 2,336 | +0.21% | 15,800 | 733億7843万 | +8.9% |
| 12/18 | 2,280 | 2,336 | 2,280 | 2,331 | +2.19% | 25,500 | 732億2137万 | +9.54% |
| 12/17 | 2,261 | 2,294 | 2,261 | 2,281 | +0.4% | 8,300 | 716億5077万 | +8% |
| 12/16 | 2,271 | 2,280 | 2,261 | 2,272 | +0.04% | 8,900 | 713億6806万 | +8.35% |
| 12/15 | 2,227 | 2,284 | 2,227 | 2,271 | +0.62% | 15,300 | 713億3665万 | +8.97% |
| 12/12 | 2,228 | 2,265 | 2,228 | 2,257 | +1.76% | 19,900 | 708億9688万 | +9.19% |
| 12/11 | 2,296 | 2,296 | 2,211 | 2,218 | -3.06% | 20,000 | 696億7181万 | +8.09% |
| 12/10 | 2,293 | 2,301 | 2,257 | 2,288 | -0.22% | 31,200 | 718億7065万 | +12.32% |
| 12/09 | 2,280 | 2,300 | 2,252 | 2,293 | +0.88% | 53,800 | 720億2771万 | +13.51% |
| 12/08 | 2,278 | 2,314 | 2,252 | 2,273 | +1.25% | 35,200 | 713億9947万 | +13.48% |
| 12/05 | 2,237 | 2,299 | 2,237 | 2,245 | +0.49% | 36,600 | 705億1994万 | +12.87% |
| 12/04 | 2,154 | 2,247 | 2,154 | 2,234 | +3.76% | 60,800 | 701億7440万 | +12.43% |
| 12/03 | 2,112 | 2,166 | 2,112 | 2,153 | +1.94% | 39,200 | 676億3003万 | +8.57% |
| 12/02 | 2,087 | 2,117 | 2,062 | 2,112 | +1.39% | 40,500 | 663億4214万 | +6.34% |
| 12/01 | (IR情報)17:00 JFEシステムズ社員 川島真琴選手がデフリンピック女子バスケットボール日本代表として金メダルを獲得! |
| 12/01 | 2,096 | 2,117 | 2,074 | 2,083 | 0% | 17,500 | 654億3119万 | +4.73% |
| 11/28 | 2,050 | 2,095 | 2,047 | 2,083 | +1.61% | 21,600 | 654億3119万 | +4.57% |
| 11/27 | 2,039 | 2,050 | 2,028 | 2,050 | +1.08% | 12,000 | 643億9460万 | +2.76% |
| 11/26 | 2,015 | 2,039 | 2,010 | 2,028 | +0.7% | 25,200 | 637億353万 | +1.45% |
| 11/25 | 2,036 | 2,036 | 1,996 | 2,014 | -1.08% | 9,700 | 632億6376万 | +0.6% |
| 11/21 | 1,991 | 2,040 | 1,990 | 2,036 | +2.31% | 20,500 | 639億5483万 | +1.55% |
| 11/20 | 2,000 | 2,022 | 1,990 | 1,990 | +0.91% | 16,700 | 625億988万 | -0.95% |
| 11/19 | 1,985 | 1,985 | 1,950 | 1,972 | +0.51% | 18,800 | 619億4446万 | -2.18% |
| 11/18 | 1,928 | 1,975 | 1,928 | 1,962 | +1.76% | 29,900 | 616億3034万 | -2.92% |
| 11/17 | 1,921 | 1,930 | 1,905 | 1,928 | +0.36% | 9,100 | 605億6233万 | -4.84% |
| 11/14 | (IR情報)11:00 JFEシステムズ、「AWSセレクトティアサービスパートナー」認定を取得 |
| 11/14 | 1,913 | 1,927 | 1,912 | 1,921 | +0.47% | 17,200 | 603億4245万 | -5.69% |
| 11/13 | 1,920 | 1,920 | 1,906 | 1,912 | -0.16% | 8,400 | 600億5974万 | -6.6% |
| 11/12 | 1,941 | 1,941 | 1,910 | 1,915 | -0.52% | 15,300 | 601億5398万 | -6.9% |
| 11/11 | 1,942 | 1,942 | 1,900 | 1,925 | -0.26% | 18,300 | 604億6810万 | -6.87% |
| 11/10 | 1,905 | 1,935 | 1,888 | 1,930 | +3.49% | 42,300 | 606億2516万 | -6.99% |
| 11/07 | (IR情報)11:00 JFEシステムズ、「第2回 ファミリーデー」開催 親子19組が参加し、親の仕事を体験 |
| 11/07 | 1,860 | 1,883 | 1,860 | 1,865 | +0.27% | 17,600 | 585億8338万 | -10.47% |
| 11/06 | 1,860 | 1,870 | 1,850 | 1,860 | +0.98% | 19,500 | 584億2632万 | -11.13% |
| 11/05 | 1,859 | 1,881 | 1,826 | 1,842 | -1.55% | 60,000 | 578億6090万 | -12.58% |
| 11/04 | 1,900 | 1,928 | 1,851 | 1,871 | -0.37% | 64,800 | 587億7185万 | -11.75% |
| 10/31 | 1,929 | 1,955 | 1,866 | 1,878 | -2.44% | 81,400 | 589億9173万 | -11.95% |
| 10/30 | (IR情報)10:00 2026年3月期第2四半期決算説明会質疑応答(要旨) |
| 10/30 | 1,895 | 1,945 | 1,848 | 1,925 | -11.49% | 162,900 | 604億6810万 | -10.3% |
| 10/29 | (IR情報)15:30 2026年3月期第2四半期決算概況 |
| 10/29 | (IR情報)15:30 通期業績予想の修正に関するお知らせ |
| 10/29 | (IR情報)15:30 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 10/29 | 2,151 | 2,199 | 2,108 | 2,175 | +1.12% | 52,000 | 683億2110万 | +0.74% |
| 10/28 | 2,218 | 2,218 | 2,151 | 2,151 | -3.02% | 8,500 | 675億6721万 | -0.51% |
| 10/27 | 2,173 | 2,220 | 2,145 | 2,218 | +0.86% | 14,500 | 696億7181万 | +2.4% |
| 10/24 | 2,172 | 2,220 | 2,158 | 2,199 | +1.85% | 26,800 | 690億7498万 | +1.52% |
| 10/23 | 2,122 | 2,170 | 2,122 | 2,159 | 0% | 7,900 | 678億1850万 | -0.42% |
| 10/22 | 2,149 | 2,159 | 2,138 | 2,159 | +0.47% | 13,400 | 678億1850万 | -0.6% |
| 10/21 | 2,097 | 2,158 | 2,097 | 2,149 | +2.48% | 14,200 | 675億438万 | -1.2% |
| 10/20 | 2,098 | 2,116 | 2,093 | 2,097 | +0.24% | 14,800 | 658億7096万 | -3.67% |
| 10/17 | 2,139 | 2,140 | 2,085 | 2,092 | -2.24% | 20,100 | 657億1390万 | -4.04% |
| 10/16 | 2,183 | 2,183 | 2,140 | 2,140 | -0.51% | 10,000 | 672億2168万 | -1.97% |
| 10/15 | 2,135 | 2,200 | 2,112 | 2,151 | +2.77% | 31,800 | 675億6721万 | -1.51% |
| 10/14 | 2,079 | 2,129 | 2,060 | 2,093 | -0.66% | 36,500 | 657億4531万 | -4.25% |
| 10/10 | 2,176 | 2,176 | 2,102 | 2,107 | -3.35% | 23,300 | 661億8508万 | -3.79% |
| 10/09 | 2,193 | 2,207 | 2,158 | 2,180 | +0.18% | 9,900 | 684億7816万 | -0.59% |
| 10/08 | 2,200 | 2,212 | 2,170 | 2,176 | +0.28% | 22,500 | 683億5251万 | -0.78% |
| 10/07 | 2,165 | 2,172 | 2,140 | 2,170 | +0.6% | 14,500 | 681億6404万 | -1% |