| 2018 |
| 04/12 | 2,350 | 2,360 | 2,328 | 2,340 | -0.59% | 1,725,000 | 2兆2237億 | -0.09% |
| 04/11 | 2,365 | 2,385 | 2,354 | 2,354 | +0.51% | 3,284,000 | 2兆2370億 | +0.47% |
| 04/10 | 2,285 | 2,353 | 2,283 | 2,342 | +2% | 3,479,800 | 2兆2256億 | -0.13% |
| 04/09 | 2,285 | 2,306 | 2,272 | 2,296 | -0.17% | 2,191,900 | 2兆1819億 | -2.13% |
| 04/06 | 2,310 | 2,337 | 2,300 | 2,300 | -0.9% | 3,238,200 | 2兆1857億 | -2.17% |
| 04/05 | 2,348 | 2,349 | 2,300 | 2,321 | -0.85% | 2,846,200 | 2兆2056億 | -1.65% |
| 04/04 | 2,349 | 2,353 | 2,334 | 2,341 | +0.69% | 2,816,300 | 2兆2247億 | -1.18% |
| 04/03 | 2,305 | 2,337 | 2,295 | 2,325 | -0.13% | 2,098,700 | 2兆2094億 | -2.39% |
| 04/02 | 2,338 | 2,360 | 2,328 | 2,328 | -0.39% | 1,510,900 | 2兆2123億 | -2.76% |
| 03/30 | 2,335 | 2,365 | 2,325 | 2,337 | +1.26% | 3,118,200 | 2兆2209億 | -2.79% |
| 03/29 | 2,342 | 2,343 | 2,286 | 2,308 | -0.77% | 2,969,000 | 2兆1933億 | -4.31% |
| 03/28 | 2,275 | 2,329 | 2,264 | 2,326 | +0.26% | 3,621,500 | 2兆2104億 | -4% |
| 03/27 | 2,292 | 2,335 | 2,284 | 2,320 | +2.25% | 4,165,600 | 2兆2047億 | -4.61% |
| 03/26 | 2,262 | 2,270 | 2,228 | 2,269 | -0.18% | 3,898,300 | 2兆1562億 | -7.12% |
| 03/23 | 2,300 | 2,302 | 2,262 | 2,273 | -3.69% | 4,469,500 | 2兆1600億 | -7.41% |
| 03/22 | 2,323 | 2,365 | 2,321 | 2,360 | -0.55% | 2,653,900 | 2兆2427億 | -4.3% |
| 03/20 | 16:00 役員人事について |
| 03/20 | 2,342 | 2,380 | 2,333 | 2,373 | +1.06% | 2,650,100 | 2兆2551億 | -4% |
| 03/19 | 2,386 | 2,388 | 2,339 | 2,348 | -1.39% | 3,042,700 | 2兆2313億 | -5.28% |
| 03/16 | 2,397 | 2,399 | 2,377 | 2,381 | -0.96% | 3,783,900 | 2兆2627億 | -4.3% |
| 03/15 | 15:00 新日鐵住金(株)による山陽特殊製鋼(株)の子会社化等の検討開始について |
| 03/15 | 15:00 Ovako AB社の買収(子会社化)について |
| 03/15 | 2,400 | 2,424 | 2,375 | 2,404 | -0.21% | 2,421,200 | 2兆2845億 | -3.76% |
| 03/14 | 2,385 | 2,420 | 2,376 | 2,409 | +0.67% | 3,042,700 | 2兆2893億 | -3.95% |
| 03/13 | 2,398 | 2,405 | 2,376 | 2,393 | -0.71% | 2,914,600 | 2兆2741億 | -4.93% |
| 03/12 | 2,377 | 2,413 | 2,371 | 2,410 | +2.86% | 3,599,100 | 2兆2902億 | -4.82% |
| 03/09 | 2,350 | 2,389 | 2,336 | 2,343 | -0.72% | 5,165,500 | 2兆2266億 | -8.05% |
| 03/08 | 15:00 役員人事について |
| 03/08 | 2,372 | 2,400 | 2,353 | 2,360 | +0.55% | 3,879,200 | 2兆2427億 | -8.1% |
| 03/07 | 2,376 | 2,380 | 2,340 | 2,347 | -2.21% | 4,374,100 | 2兆2304億 | -9.21% |
| 03/06 | 2,410 | 2,439 | 2,400 | 2,400 | +0.97% | 3,344,500 | 2兆2807億 | -7.87% |
| 03/05 | 2,379 | 2,410 | 2,364 | 2,377 | -1.82% | 4,769,600 | 2兆2589億 | -9.38% |
| 03/02 | 15:00 インドにおけるエッサールスチールの共同買収及び合弁事業化に関するアルセロールミッタルとの合意について |
| 03/02 | 15:00 新日鐵住金グループの中期経営計画について |
| 03/02 | 15:00 国際財務報告基準(IFRS)の任意適用に関するお知らせ |
| 03/02 | 13:00 代表取締役の異動に関するお知らせ |
| 03/02 | 2,441 | 2,449 | 2,406 | 2,421 | -3.81% | 5,993,300 | 2兆3007億 | -8.36% |
| 03/01 | 2,520 | 2,537 | 2,501 | 2,517 | -1.56% | 4,212,900 | 2兆3919億 | -5.41% |
| 02/28 | 2,617 | 2,624 | 2,557 | 2,557 | -3.8% | 5,871,700 | 2兆4299億 | -4.45% |
| 02/27 | 2,643 | 2,663 | 2,622 | 2,658 | +1.22% | 3,301,900 | 2兆5259億 | -1.19% |
| 02/26 | 2,620 | 2,638 | 2,607 | 2,626 | +1.23% | 3,828,800 | 2兆4955億 | -2.67% |
| 02/23 | 2,545 | 2,598 | 2,540 | 2,594 | +2.57% | 3,440,400 | 2兆4651億 | -4.28% |
| 02/22 | 2,551 | 2,555 | 2,517 | 2,529 | -1.86% | 2,744,800 | 2兆4033億 | -7.09% |
| 02/21 | 2,583 | 2,625 | 2,568 | 2,577 | +0.55% | 3,836,700 | 2兆4489億 | -5.81% |
| 02/20 | 2,575 | 2,579 | 2,540 | 2,563 | -1.08% | 2,637,200 | 2兆4356億 | -6.83% |
| 02/19 | 2,572 | 2,592 | 2,558 | 2,591 | +0.74% | 2,295,000 | 2兆4622億 | -6.43% |
| 02/16 | 2,552 | 2,585 | 2,535 | 2,572 | +1.46% | 3,026,600 | 2兆4442億 | -7.75% |
| 02/15 | 2,553 | 2,563 | 2,528 | 2,535 | +0.36% | 2,045,400 | 2兆4090億 | -9.72% |
| 02/14 | 2,528 | 2,559 | 2,513 | 2,526 | -0.12% | 3,484,300 | 2兆4005億 | -10.71% |
| 02/13 | 2,600 | 2,601 | 2,522 | 2,529 | -1.86% | 4,490,000 | 2兆4033億 | -11.29% |
| 02/09 | 2,562 | 2,577 | 2,533 | 2,577 | -2.28% | 4,148,200 | 2兆4489億 | -10.24% |
| 02/08 | 2,641 | 2,654 | 2,603 | 2,637 | -0.45% | 3,903,300 | 2兆5059億 | -8.66% |
| 02/07 | 2,727 | 2,765 | 2,649 | 2,649 | +0.26% | 4,528,500 | 2兆5174億 | -8.56% |
| 02/06 | 2,669 | 2,684 | 2,587 | 2,642 | -4.45% | 6,302,200 | 2兆5107億 | -9.12% |
| 02/05 | 2,750 | 2,775 | 2,735 | 2,765 | -1.43% | 3,787,400 | 2兆6276億 | -5.18% |
| 02/02 | 2,833 | 2,849 | 2,786 | 2,805 | -1.75% | 5,721,200 | 2兆6656億 | -3.94% |
| 02/01 | 13:30 配当予想の修正に関するお知らせ |
| 02/01 | 13:30 2017年度第3四半期決算について |
| 02/01 | 13:30 平成30年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/01 | 2,820 | 2,858 | 2,732 | 2,855 | +2.73% | 7,279,100 | 2兆7131億 | -2.29% |
| 01/31 | 2,823 | 2,831 | 2,778 | 2,779 | -2.11% | 4,363,600 | 2兆6409億 | -4.93% |
| 01/30 | 2,870 | 2,872 | 2,834 | 2,839 | -0.73% | 3,511,300 | 2兆6979億 | -2.94% |
| 01/29 | 2,857 | 2,872 | 2,829 | 2,860 | +0.03% | 2,510,300 | 2兆7179億 | -2.19% |
| 01/26 | 2,872 | 2,893 | 2,854 | 2,859 | -0.66% | 2,857,100 | 2兆7169億 | -2.12% |
| 01/25 | 2,893 | 2,904 | 2,870 | 2,878 | -0.76% | 2,495,100 | 2兆7350億 | -1.4% |
| 01/24 | 2,886 | 2,909 | 2,879 | 2,900 | -0.1% | 2,324,600 | 2兆7559億 | -0.55% |
| 01/23 | 2,886 | 2,911 | 2,872 | 2,903 | +1.11% | 2,705,000 | 2兆7587億 | -0.34% |
| 01/22 | 2,902 | 2,907 | 2,856 | 2,871 | -1.54% | 3,409,600 | 2兆7283億 | -1.37% |
| 01/19 | 2,890 | 2,916 | 2,874 | 2,916 | +1.21% | 2,518,800 | 2兆7711億 | +0.17% |
| 01/18 | 2,940 | 2,942 | 2,881 | 2,881 | -0.72% | 3,401,800 | 2兆7378億 | -0.93% |
| 01/17 | 2,947 | 2,947 | 2,884 | 2,902 | -1.36% | 4,706,100 | 2兆7578億 | -0.14% |
| 01/16 | 3,000 | 3,000 | 2,940 | 2,942 | -2.26% | 4,195,500 | 2兆7958億 | +1.34% |
| 01/15 | 13:30 リンテックス(株)株式のトピー工業(株)への譲渡について |
| 01/15 | 3,090 | 3,099 | 3,002 | 3,010 | -2.08% | 3,645,900 | 2兆8604億 | +3.86% |
| 01/12 | 3,075 | 3,080 | 3,038 | 3,074 | +0.2% | 2,803,600 | 2兆9212億 | +6.33% |
| 01/11 | 3,058 | 3,069 | 3,038 | 3,068 | +0.33% | 2,022,900 | 2兆9155億 | +6.53% |
| 01/10 | 3,059 | 3,089 | 3,033 | 3,058 | -0.39% | 3,001,600 | 2兆9060億 | +6.59% |
| 01/09 | 3,099 | 3,132 | 3,058 | 3,070 | +0.85% | 4,295,800 | 2兆9174億 | +7.49% |
| 01/05 | 2,980 | 3,049 | 2,978 | 3,044 | +2.63% | 4,726,600 | 2兆8927億 | +7.3% |
| 01/04 | 2,946 | 2,978 | 2,938 | 2,966 | +2.59% | 4,114,100 | 2兆8186億 | +5.33% |
| 2017 |
| 12/29 | 2,899 | 2,919 | 2,877 | 2,891 | 0% | 2,503,600 | 2兆7473億 | +3.29% |
| 12/28 | 2,882 | 2,909 | 2,874 | 2,891 | +0.31% | 2,579,300 | 2兆7473億 | +3.84% |
| 12/27 | 13:30 日鉄住金鋼鉄和歌山株式会社との合併(簡易合併)に関するお知らせ |
| 12/27 | 2,874 | 2,913 | 2,873 | 2,882 | +0.73% | 2,322,600 | 2兆7388億 | +4.01% |
| 12/26 | 2,859 | 2,886 | 2,854 | 2,861 | +0.1% | 2,498,800 | 2兆7188億 | +3.77% |
| 12/25 | 2,860 | 2,870 | 2,846 | 2,858 | -0.21% | 1,696,900 | 2兆7160億 | +4.19% |
| 12/22 | 2,842 | 2,866 | 2,841 | 2,864 | +1.34% | 3,076,300 | 2兆7217億 | +4.91% |
| 12/21 | 2,840 | 2,844 | 2,819 | 2,826 | +0.21% | 2,200,500 | 2兆6856億 | +3.97% |
| 12/20 | 2,810 | 2,831 | 2,799 | 2,820 | +0.75% | 2,035,600 | 2兆6799億 | +4.17% |
| 12/19 | 2,829 | 2,842 | 2,796 | 2,799 | -0.07% | 2,667,700 | 2兆6599億 | +3.67% |
| 12/18 | 2,815 | 2,820 | 2,786 | 2,801 | +0.07% | 2,743,800 | 2兆6618億 | +4.01% |
| 12/15 | 2,815 | 2,822 | 2,791 | 2,799 | -1.2% | 3,659,400 | 2兆6599億 | +4.01% |
| 12/14 | 2,838 | 2,858 | 2,826 | 2,833 | -0.21% | 2,736,800 | 2兆6922億 | +5.39% |
| 12/13 | 2,870 | 2,876 | 2,831 | 2,839 | -1.11% | 3,387,500 | 2兆6979億 | +5.89% |
| 12/12 | 2,864 | 2,894 | 2,841 | 2,871 | +0.42% | 3,662,900 | 2兆7283億 | +7.33% |
| 12/11 | 2,839 | 2,867 | 2,822 | 2,859 | +1.02% | 3,483,800 | 2兆7169億 | +7.28% |
| 12/08 | 2,776 | 2,839 | 2,776 | 2,830 | +0.18% | 4,591,800 | 2兆6894億 | +6.43% |
| 12/07 | 2,821 | 2,835 | 2,796 | 2,825 | +0.78% | 4,081,100 | 2兆6846億 | +6.48% |
| 12/06 | 2,822 | 2,842 | 2,786 | 2,803 | -1.72% | 5,996,800 | 2兆6637億 | +5.85% |
| 12/05 | 2,809 | 2,864 | 2,809 | 2,852 | +2.04% | 6,678,100 | 2兆7103億 | +7.74% |
| 12/04 | 2,800 | 2,805 | 2,763 | 2,795 | +0.18% | 4,846,700 | 2兆6561億 | +5.67% |
| 12/01 | 2,753 | 2,806 | 2,749 | 2,790 | +2.54% | 7,486,200 | 2兆6513億 | +5.52% |
| 11/30 | 2,700 | 2,737 | 2,673 | 2,721 | +3.97% | 10,853,100 | 2兆5858億 | +2.87% |
| 11/29 | 2,557 | 2,624 | 2,541 | 2,617 | +4.22% | 6,310,500 | 2兆4869億 | -1.13% |
| 11/28 | 2,529 | 2,546 | 2,509 | 2,511 | -0.99% | 2,987,500 | 2兆3862億 | -5.28% |
| 11/27 | 2,551 | 2,572 | 2,535 | 2,536 | +0.28% | 3,121,400 | 2兆4100億 | -4.59% |
| 11/24 | 2,534 | 2,541 | 2,516 | 2,529 | -0.82% | 2,786,500 | 2兆4033億 | -5.07% |
| 11/22 | 2,560 | 2,573 | 2,543 | 2,550 | +0.43% | 2,893,000 | 2兆4233億 | -4.42% |
| 11/21 | 2,537 | 2,554 | 2,531 | 2,539 | +0.95% | 2,616,500 | 2兆4128億 | -4.98% |
| 11/20 | 2,532 | 2,549 | 2,510 | 2,515 | -0.87% | 2,506,800 | 2兆3900億 | -5.98% |
| 11/17 | 2,580 | 2,585 | 2,533 | 2,537 | -0.82% | 3,450,800 | 2兆4109億 | -5.19% |
| 11/16 | 2,550 | 2,571 | 2,534 | 2,558 | +0.47% | 4,293,600 | 2兆4309億 | -4.45% |
| 11/15 | 2,612 | 2,620 | 2,546 | 2,546 | -3.34% | 6,804,400 | 2兆4195億 | -4.89% |
