| 2026 |
| 03/06 | (5%ルール)三井物産スチール(9.09%) |
| 03/06 | 2,075 | 2,088 | 2,062 | 2,066 | -3.64% | 768,200 | 578億4800万 | -12.75% |
| 03/05 | (IR情報)16:30 売出価格等の決定に関するお知らせ |
| 03/05 | 2,244 | 2,285 | 2,137 | 2,144 | -2.28% | 604,700 | 600億3200万 | -9.65% |
| 03/04 | 2,285 | 2,285 | 2,163 | 2,194 | -5.43% | 266,400 | 614億3200万 | -7.66% |
| 03/03 | 2,375 | 2,389 | 2,320 | 2,320 | -1.15% | 122,300 | 649億6000万 | -2.48% |
| 03/02 | 2,357 | 2,357 | 2,314 | 2,347 | -1.63% | 122,700 | 657億1600万 | -1.3% |
| 03/02 | (空売り報告)モルガン・スタンレーMUFG証券 309,149株(1.1%)+0.09% |
| 02/27 | 2,380 | 2,399 | 2,341 | 2,386 | +0.04% | 210,600 | 668億800万 | +0.38% |
| 02/26 | 2,465 | 2,478 | 2,350 | 2,385 | -5.17% | 337,300 | 667億8000万 | +0.51% |
| 02/26 | (空売り報告)モルガン・スタンレーMUFG証券 282,949株(1.01%)+0.1% |
| 02/25 | (IR情報)15:30 株式の売出しに関するお知らせ |
| 02/25 | (IR情報)15:30 業績予想の修正に関するお知らせ |
| 02/25 | (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)(開示事項の変更及び公認会計士等による期中レビューの完了) |
| 02/25 | 2,537 | 2,537 | 2,493 | 2,515 | -1.06% | 51,400 | 704億2000万 | +6.12% |
| 02/24 | 2,570 | 2,570 | 2,522 | 2,542 | -1.24% | 53,800 | 711億7600万 | +7.58% |
| 02/20 | 2,586 | 2,594 | 2,542 | 2,574 | -0.92% | 99,400 | 720億7200万 | +9.11% |
| 02/19 | 2,568 | 2,605 | 2,551 | 2,598 | +2.32% | 67,300 | 727億4400万 | +10.51% |
| 02/18 | 2,550 | 2,558 | 2,512 | 2,539 | +0.4% | 79,600 | 710億9200万 | +8.5% |
| 02/18 | (空売り報告)モルガン・スタンレーMUFG証券 254,949株(0.91%)+0.11% |
| 02/17 | 2,500 | 2,548 | 2,469 | 2,529 | +2.55% | 84,800 | 708億1200万 | +8.49% |
| 02/16 | 2,403 | 2,515 | 2,400 | 2,466 | +4.58% | 94,300 | 690億4800万 | +6.25% |
| 02/13 | 2,510 | 2,536 | 2,358 | 2,358 | -7.89% | 101,200 | 660億2400万 | +2.03% |
| 02/12 | 2,474 | 2,584 | 2,460 | 2,560 | +2.98% | 122,100 | 716億8000万 | +10.97% |
| 02/10 | 2,385 | 2,498 | 2,385 | 2,486 | +5.56% | 97,400 | 696億800万 | +8.32% |
| 02/09 | 2,380 | 2,387 | 2,343 | 2,355 | +0.81% | 65,000 | 659億4000万 | +3.06% |
| 02/06 | 2,330 | 2,357 | 2,315 | 2,336 | -1.18% | 50,800 | 654億800万 | +2.46% |
| 02/06 | (空売り報告)モルガン・スタンレーMUFG証券 224,649株(0.8%)+0.07% |
| 02/05 | 2,332 | 2,371 | 2,326 | 2,364 | +3.41% | 93,800 | 661億9200万 | +3.91% |
| 02/04 | 2,285 | 2,302 | 2,236 | 2,286 | +1.15% | 113,100 | 640億800万 | +0.84% |
| 02/04 | (空売り報告)モルガン・スタンレーMUFG証券 206,749株(0.73%)+0.11% |
| 02/03 | (IR情報)15:00 2026年3月期第3四半期決算補足資料 |
| 02/03 | (IR情報)15:00 代表取締役の異動(追加選定)および社長職務の代行に関するお知らせ |
| 02/03 | (IR情報)15:00 資本政策の見直し及び配当予想の修正に関するお知らせ |
| 02/03 | (IR情報)15:00 2026年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/03 | (IR情報)15:00 「デマンド・レスポンス(上げDR)」導入に関する契約合意のお知らせ |
| 02/03 | 2,163 | 2,285 | 2,163 | 2,260 | +4.53% | 101,200 | 632億8000万 | -0.09% |
| 02/02 | 2,210 | 2,231 | 2,162 | 2,162 | -2.04% | 60,600 | 605億3600万 | -4.34% |
| 02/02 | (空売り報告)モルガン・スタンレーMUFG証券 176,249株(0.62%)+0.03% |
| 01/30 | 2,228 | 2,228 | 2,198 | 2,207 | -0.54% | 35,800 | 617億9600万 | -2.35% |
| 01/29 | 2,195 | 2,236 | 2,182 | 2,219 | +1.09% | 48,400 | 621億3200万 | -1.77% |
| 01/29 | (空売り報告)モルガン・スタンレーMUFG証券 165,349株(0.59%)-0.05% |
| 01/28 | 2,225 | 2,227 | 2,195 | 2,195 | -1.08% | 51,900 | 614億6000万 | -2.66% |
| 01/27 | 2,240 | 2,240 | 2,203 | 2,219 | -1.99% | 112,700 | 621億3200万 | -1.38% |
| 01/26 | 2,272 | 2,294 | 2,256 | 2,264 | -1.31% | 68,800 | 633億9200万 | +0.85% |
| 01/26 | (空売り報告)モルガン・スタンレーMUFG証券 180,849株(0.64%)+0.05% |
| 01/23 | 2,319 | 2,320 | 2,282 | 2,294 | -1.08% | 45,000 | 642億3200万 | +2.55% |
| 01/23 | (空売り報告)モルガン・スタンレーMUFG証券 166,349株(0.59%)-0.01% |
| 01/22 | 2,326 | 2,343 | 2,314 | 2,319 | +0.78% | 34,900 | 649億3200万 | +4.04% |
| 01/21 | 2,302 | 2,322 | 2,286 | 2,301 | -0.04% | 48,000 | 644億2800万 | +3.65% |
| 01/20 | 2,343 | 2,343 | 2,302 | 2,302 | -1.75% | 57,300 | 644億5600万 | +4.21% |
| 01/19 | 2,415 | 2,415 | 2,330 | 2,343 | -3.58% | 49,500 | 656億400万 | +6.45% |
| 01/19 | (空売り報告)モルガン・スタンレーMUFG証券 169,249株(0.6%)+0.1% |
| 01/16 | 2,397 | 2,430 | 2,384 | 2,430 | +2.45% | 69,800 | 680億4000万 | +10.91% |
| 01/15 | 2,332 | 2,384 | 2,332 | 2,372 | +1.72% | 55,200 | 664億1600万 | +8.91% |
| 01/14 | 2,328 | 2,348 | 2,316 | 2,332 | +1.17% | 56,500 | 652億9600万 | +7.66% |
| 01/13 | 2,325 | 2,337 | 2,297 | 2,305 | +0.3% | 87,300 | 645億4000万 | +6.86% |
| 01/09 | 2,216 | 2,335 | 2,216 | 2,298 | +4.03% | 83,800 | 643億4400万 | +6.93% |
| 01/08 | 2,243 | 2,254 | 2,201 | 2,209 | -1.82% | 48,100 | 618億5200万 | +3.13% |
| 01/07 | 2,252 | 2,280 | 2,250 | 2,250 | -0.66% | 38,100 | 630億 | +5.19% |
| 01/06 | 2,232 | 2,270 | 2,232 | 2,265 | +1.48% | 31,000 | 634億2000万 | +6.09% |
| 01/05 | 2,239 | 2,256 | 2,222 | 2,232 | +0.09% | 31,600 | 624億9600万 | +4.89% |
| 2025 |
| 12/30 | 2,200 | 2,240 | 2,200 | 2,230 | +0.72% | 28,400 | 624億4000万 | +5.09% |
| 12/29 | 2,191 | 2,214 | 2,190 | 2,214 | +2.07% | 48,200 | 619億9200万 | +4.68% |
| 12/26 | 2,165 | 2,169 | 2,150 | 2,169 | +0.18% | 28,000 | 607億3200万 | +2.75% |
| 12/25 | 2,185 | 2,185 | 2,154 | 2,165 | -1.28% | 12,000 | 606億2000万 | +2.8% |
| 12/24 | 2,191 | 2,208 | 2,176 | 2,193 | +0.55% | 36,300 | 614億400万 | +4.38% |
| 12/23 | 2,175 | 2,195 | 2,163 | 2,181 | +0.74% | 37,700 | 610億6800万 | +4.15% |
| 12/23 | (空売り報告)モルガン・スタンレーMUFG証券 141,149株(0.5%)新規 |
| 12/22 | 2,142 | 2,177 | 2,133 | 2,165 | +2.12% | 54,000 | 606億2000万 | +3.59% |
| 12/19 | 2,105 | 2,135 | 2,105 | 2,120 | +1.44% | 50,900 | 593億6000万 | +1.63% |
| 12/18 | 2,077 | 2,100 | 2,077 | 2,090 | +0.97% | 38,100 | 585億2000万 | +0.34% |
| 12/17 | 2,065 | 2,084 | 2,065 | 2,070 | 0% | 26,700 | 579億6000万 | -0.53% |
| 12/16 | 2,094 | 2,094 | 2,070 | 2,070 | -1.29% | 35,700 | 579億6000万 | -0.43% |
| 12/15 | 2,079 | 2,100 | 2,070 | 2,097 | +0.48% | 22,300 | 587億1600万 | +0.91% |
| 12/12 | 2,074 | 2,096 | 2,072 | 2,087 | +2.05% | 37,800 | 584億3600万 | +0.63% |
| 12/11 | 2,087 | 2,096 | 2,045 | 2,045 | -2.2% | 27,500 | 572億6000万 | -1.21% |
| 12/10 | 2,098 | 2,103 | 2,088 | 2,091 | -0.57% | 18,900 | 585億4800万 | +1.11% |
| 12/09 | 2,100 | 2,109 | 2,083 | 2,103 | 0% | 28,200 | 588億8400万 | +1.84% |
| 12/08 | 2,088 | 2,103 | 2,073 | 2,103 | +1.25% | 30,000 | 588億8400万 | +2.09% |
| 12/05 | 2,083 | 2,098 | 2,064 | 2,077 | -0.91% | 22,300 | 581億5600万 | +0.97% |
| 12/04 | 2,101 | 2,109 | 2,086 | 2,096 | -0.24% | 45,600 | 586億8800万 | +1.9% |
| 12/03 | 2,131 | 2,136 | 2,090 | 2,101 | -1.41% | 54,300 | 588億2800万 | +2.14% |
| 12/02 | 2,132 | 2,155 | 2,102 | 2,131 | -0.05% | 78,700 | 596億6800万 | +3.5% |
| 12/01 | 2,121 | 2,139 | 2,106 | 2,132 | -0.37% | 28,900 | 596億9600万 | +3.6% |
| 11/28 | 2,090 | 2,147 | 2,090 | 2,140 | +2.39% | 48,400 | 599億2000万 | +4.04% |
| 11/27 | 2,084 | 2,093 | 2,080 | 2,090 | +0.29% | 20,400 | 585億2000万 | +1.65% |
| 11/26 | (IR情報)15:00 役員人事に関するお知らせ |
| 11/26 | 2,072 | 2,094 | 2,072 | 2,084 | +0.63% | 27,400 | 583億5200万 | +1.41% |
| 11/25 | 2,087 | 2,090 | 2,066 | 2,071 | -1.15% | 17,000 | 579億8800万 | +0.73% |
| 11/21 | 2,061 | 2,095 | 2,061 | 2,095 | +1.45% | 24,500 | 586億6000万 | +1.95% |
| 11/20 | 2,056 | 2,080 | 2,043 | 2,065 | +1.52% | 27,600 | 578億2000万 | +0.44% |
| 11/19 | 2,035 | 2,049 | 2,018 | 2,034 | +0.94% | 18,900 | 569億5200万 | -1.17% |
| 11/18 | 2,065 | 2,065 | 2,001 | 2,015 | -2.84% | 42,000 | 564億2000万 | -2.14% |
| 11/17 | 2,066 | 2,086 | 2,057 | 2,074 | +0.53% | 21,500 | 580億7200万 | +0.58% |
| 11/14 | 2,045 | 2,074 | 2,041 | 2,063 | +0.39% | 22,200 | 577億6400万 | -0.1% |
| 11/13 | 2,058 | 2,058 | 2,042 | 2,055 | +0.49% | 16,200 | 575億4000万 | -0.58% |
| 11/12 | 2,036 | 2,068 | 2,028 | 2,045 | +1.14% | 29,000 | 572億6000万 | -1.26% |
| 11/11 | 2,035 | 2,035 | 2,002 | 2,022 | -0.1% | 22,700 | 566億1600万 | -2.55% |
| 11/10 | 2,025 | 2,030 | 2,006 | 2,024 | +0.65% | 20,900 | 566億7200万 | -2.69% |
| 11/07 | 1,986 | 2,011 | 1,983 | 2,011 | +0.9% | 27,500 | 563億800万 | -3.5% |
| 11/06 | 1,996 | 2,005 | 1,986 | 1,993 | +0.35% | 21,400 | 558億400万 | -4.55% |
| 11/05 | 2,001 | 2,016 | 1,965 | 1,986 | -1.29% | 56,000 | 556億800万 | -5.2% |
| 11/04 | 1,986 | 2,012 | 1,976 | 2,012 | +1.56% | 62,300 | 563億3600万 | -4.33% |
| 10/31 | 1,990 | 2,003 | 1,965 | 1,981 | -2.03% | 106,000 | 554億6800万 | -6.29% |
| 10/30 | (IR情報)15:00 2026年3月期第2四半期(中間期)業績予想と実績値との差異及び通期業績予想の修正に関するお知らせ |
| 10/30 | (IR情報)15:00 2026年3月期第2四半期(中間期)決算補足資料 |
| 10/30 | (IR情報)15:00 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 10/30 | 2,098 | 2,105 | 1,945 | 2,022 | -3.07% | 213,200 | 566億1600万 | -4.85% |
| 10/29 | 2,100 | 2,123 | 2,080 | 2,086 | -0.81% | 36,800 | 584億800万 | -2.25% |
| 10/28 | 2,144 | 2,146 | 2,098 | 2,103 | -1.87% | 39,800 | 588億8400万 | -1.77% |
| 10/27 | 2,125 | 2,143 | 2,113 | 2,143 | +1.95% | 28,900 | 600億400万 | -0.19% |
| 10/24 | 2,134 | 2,141 | 2,102 | 2,102 | -0.43% | 20,800 | 588億5600万 | -2.32% |
| 10/23 | 2,115 | 2,135 | 2,109 | 2,111 | +0.09% | 36,600 | 591億800万 | -2.18% |
| 10/22 | 2,078 | 2,109 | 2,078 | 2,109 | +1.64% | 37,100 | 590億5200万 | -2.54% |
| 10/21 | 2,113 | 2,119 | 2,075 | 2,075 | -1% | 25,900 | 581億 | -4.33% |
| 10/20 | 2,081 | 2,106 | 2,081 | 2,096 | +1.5% | 28,400 | 586億8800万 | -3.68% |
| 10/17 | 2,084 | 2,109 | 2,064 | 2,065 | -1.67% | 26,900 | 578億2000万 | -5.41% |
| 10/16 | 2,127 | 2,130 | 2,086 | 2,100 | -0.76% | 33,900 | 588億 | -4.15% |
| 10/15 | 2,101 | 2,126 | 2,097 | 2,116 | +2.12% | 28,900 | 592億4800万 | -3.77% |
| 10/14 | 2,080 | 2,099 | 2,069 | 2,072 | -0.77% | 43,600 | 580億1600万 | -6.03% |
| 10/10 | 2,113 | 2,116 | 2,085 | 2,088 | -2.79% | 44,500 | 584億6400万 | -5.65% |
| 10/09 | 2,105 | 2,148 | 2,105 | 2,148 | +1.95% | 34,200 | 601億4400万 | -3.2% |
| 10/08 | 2,135 | 2,155 | 2,106 | 2,107 | -2.09% | 34,300 | 589億9600万 | -5.22% |
| 10/07 | 2,122 | 2,161 | 2,102 | 2,152 | -0.51% | 42,600 | 602億5600万 | -3.37% |