| 2025 |
| 04/24 | 905 | 920 | 902 | 920 | +1.66% | 3,700 | 27億6736万 | -0.97% |
| 04/23 | （IR情報）13:00 業績予想の修正に関するお知らせ |
| 04/23 | （IR情報）13:00 役員人事について |
| 04/23 | 924 | 924 | 901 | 905 | -0.44% | 5,600 | 27億2224万 | -2.9% |
| 04/22 | 894 | 909 | 894 | 909 | +0.89% | 800 | 27億3427万 | -2.78% |
| 04/21 | 921 | 936 | 892 | 901 | -1.21% | 3,900 | 27億1020万 | -3.94% |
| 04/18 | 893 | 916 | 893 | 912 | +2.13% | 1,800 | 27億4329万 | -3.08% |
| 04/17 | 902 | 905 | 893 | 893 | -1.22% | 3,000 | 26億8614万 | -5.4% |
| 04/16 | 914 | 930 | 903 | 904 | -2.59% | 3,200 | 27億1923万 | -4.64% |
| 04/15 | 910 | 980 | 910 | 928 | +1.98% | 36,000 | 27億9142万 | -2.52% |
| 04/14 | 906 | 915 | 891 | 910 | +1.11% | 5,100 | 27億3728万 | -4.61% |
| 04/11 | （IR情報）15:15 (訂正)「主要株主である筆頭株主の異動に関するお知らせ」の一部訂正について |
| 04/11 | 901 | 906 | 900 | 900 | -0.22% | 1,100 | 27億720万 | -5.96% |
| 04/10 | 894 | 902 | 880 | 902 | +3.8% | 1,400 | 27億1321万 | -6.14% |
| 04/09 | （IR情報）11:00 主要株主である筆頭株主の異動に関するお知らせ |
| 04/09 | 851 | 871 | 850 | 869 | +1.52% | 3,000 | 26億1395万 | -9.85% |
| 04/08 | 895 | 895 | 856 | 856 | +4.39% | 3,100 | 25億7484万 | -11.57% |
| 04/07 | （5%ルール）日本製鉄（30.66%） |
| 04/07 | （5%ルール）日鉄ステンレス（0%） |
| 04/07 | 833 | 840 | 820 | 820 | -6.39% | 5,500 | 24億6656万 | -15.72% |
| 04/04 | 902 | 914 | 840 | 876 | -4.78% | 15,800 | 26億3500万 | -10.43% |
| 04/03 | 954 | 962 | 908 | 920 | -4.76% | 6,800 | 27億6736万 | -6.22% |
| 04/02 | 974 | 979 | 966 | 966 | -0.82% | 2,000 | 29億572万 | -1.63% |
| 04/01 | 989 | 989 | 973 | 974 | -0.61% | 3,100 | 29億2979万 | -0.81% |
| 03/31 | 972 | 980 | 970 | 980 | -0.41% | 2,700 | 29億4784万 | 0% |
| 03/28 | 966 | 986 | 966 | 984 | -1.2% | 2,600 | 29億5987万 | +0.51% |
| 03/27 | 1,006 | 1,010 | 996 | 996 | -1.68% | 3,500 | 29億9596万 | +1.84% |
| 03/26 | 1,000 | 1,016 | 1,000 | 1,013 | +1.71% | 1,700 | 30億4710万 | +3.79% |
| 03/25 | 1,002 | 1,002 | 996 | 996 | -0.6% | 1,000 | 29億9596万 | +2.36% |
| 03/24 | 996 | 1,002 | 996 | 1,002 | +0.6% | 1,100 | 30億1401万 | +3.19% |
| 03/21 | 997 | 1,000 | 991 | 996 | -0.2% | 2,300 | 29億9596万 | +2.89% |
| 03/19 | 982 | 998 | 980 | 998 | +1.63% | 3,100 | 30億198万 | +3.31% |
| 03/18 | 982 | 982 | 982 | 982 | +0.61% | 100 | 29億5385万 | +1.87% |
| 03/17 | 977 | 977 | 976 | 976 | -0.71% | 700 | 29億3580万 | +1.46% |
| 03/14 | 983 | 983 | 983 | 983 | -0.2% | 600 | 29億5686万 | +2.29% |
| 03/13 | 987 | 987 | 985 | 985 | -0.51% | 200 | 29億6288万 | +2.71% |
| 03/12 | 987 | 998 | 987 | 990 | +0.41% | 2,200 | 29億7792万 | +3.45% |
| 03/11 | 979 | 986 | 979 | 986 | -0.2% | 900 | 29億6588万 | +3.14% |
| 03/10 | 999 | 1,000 | 987 | 988 | -0.5% | 700 | 29億7190万 | +3.56% |
| 03/07 | 994 | 994 | 987 | 993 | -0.1% | 800 | 29億8694万 | +4.31% |
| 03/06 | 978 | 994 | 977 | 994 | +2.05% | 4,300 | 29億8995万 | +4.63% |
| 03/05 | 970 | 977 | 968 | 974 | +0.41% | 1,500 | 29億2979万 | +2.74% |
| 03/04 | 977 | 983 | 960 | 970 | -1.02% | 13,200 | 29億1776万 | +2.54% |
| 03/03 | 955 | 980 | 952 | 980 | +3.05% | 6,700 | 29億4784万 | +3.7% |
| 02/28 | 956 | 960 | 951 | 951 | -0.42% | 3,100 | 28億6060万 | +0.85% |
| 02/27 | 946 | 955 | 946 | 955 | +0.74% | 2,000 | 28億7264万 | +1.38% |
| 02/26 | 949 | 949 | 948 | 948 | +0.32% | 200 | 28億5158万 | +0.74% |
| 02/25 | 944 | 945 | 944 | 945 | -0.11% | 400 | 28億4256万 | +0.53% |
| 02/21 | 940 | 946 | 940 | 946 | +0.21% | 300 | 28億4556万 | +0.75% |
| 02/20 | 942 | 944 | 942 | 944 | -0.42% | 400 | 28億3955万 | +0.64% |
| 02/19 | 945 | 955 | 945 | 948 | +0.32% | 400 | 28億5158万 | +1.07% |
| 02/18 | 941 | 945 | 940 | 945 | -0.21% | 900 | 28億4256万 | +0.85% |
| 02/17 | 944 | 949 | 944 | 947 | +0.32% | 900 | 28億4857万 | +0.96% |
| 02/14 | 942 | 946 | 942 | 944 | +0.21% | 2,600 | 28億3955万 | +0.64% |
| 02/13 | 939 | 942 | 935 | 942 | +0.53% | 800 | 28億3353万 | +0.43% |
| 02/12 | 938 | 938 | 937 | 937 | -0.53% | 700 | 28億1849万 | -0.11% |
| 02/10 | 934 | 950 | 934 | 942 | +1.07% | 1,600 | 28億3353万 | +0.32% |
| 02/07 | （IR情報）14:00 2025年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/07 | 952 | 968 | 918 | 932 | -1.89% | 9,900 | 28億345万 | -0.64% |
| 02/06 | 939 | 950 | 938 | 950 | +0.85% | 2,000 | 28億5760万 | +1.28% |
| 02/05 | 933 | 942 | 930 | 942 | +1.29% | 2,300 | 28億3353万 | +0.53% |
| 02/04 | 955 | 955 | 920 | 930 | -2.62% | 17,400 | 27億9744万 | -0.75% |
| 02/03 | 955 | 960 | 955 | 955 | 0% | 1,100 | 28億7264万 | +1.92% |
| 01/31 | 960 | 960 | 955 | 955 | +1.6% | 3,600 | 28億7264万 | +1.92% |
| 01/30 | 936 | 951 | 936 | 940 | -0.32% | 1,000 | 28億2752万 | +0.43% |
| 01/29 | 938 | 943 | 938 | 943 | +0.64% | 1,800 | 28億3654万 | +0.75% |
| 01/28 | 931 | 937 | 931 | 937 | +0.64% | 300 | 28億1849万 | +0.21% |
| 01/27 | 943 | 943 | 931 | 931 | -0.96% | 1,000 | 28億44万 | -0.43% |
| 01/24 | 927 | 941 | 927 | 940 | +1.4% | 2,300 | 28億2752万 | +0.53% |
| 01/23 | 930 | 930 | 927 | 927 | -0.32% | 500 | 27億8841万 | -0.64% |
| 01/22 | 924 | 930 | 924 | 930 | +0.65% | 500 | 27億9744万 | -0.32% |
| 01/20 | 925 | 925 | 924 | 924 | +0.11% | 200 | 27億7939万 | -0.86% |
| 01/17 | 923 | 924 | 923 | 923 | 0% | 1,800 | 27億7638万 | -0.86% |
| 01/15 | 930 | 930 | 923 | 923 | -0.75% | 800 | 27億7638万 | -0.86% |
| 01/14 | 930 | 930 | 923 | 930 | +0.76% | 600 | 27億9744万 | -0.11% |
| 01/10 | 944 | 944 | 916 | 923 | -2.33% | 1,300 | 27億7638万 | -0.75% |
| 01/09 | 946 | 946 | 945 | 945 | -0.94% | 400 | 28億4256万 | +1.61% |
| 01/08 | 953 | 954 | 947 | 954 | +0.53% | 500 | 28億6963万 | +2.69% |
| 01/07 | 955 | 955 | 949 | 949 | 0% | 200 | 28億5459万 | +2.26% |
| 01/06 | 945 | 960 | 945 | 949 | +0.64% | 1,100 | 28億5459万 | +2.37% |
| 2024 |
| 12/30 | 938 | 946 | 931 | 943 | -0.32% | 1,300 | 28億3654万 | +1.73% |
| 12/27 | 948 | 948 | 946 | 946 | +1.39% | 200 | 28億4556万 | +2.16% |
| 12/26 | 935 | 935 | 933 | 933 | +0.11% | 200 | 28億646万 | +0.86% |
| 12/23 | 930 | 935 | 930 | 932 | +0.22% | 500 | 28億345万 | +0.76% |
| 12/20 | 937 | 938 | 930 | 930 | -0.64% | 500 | 27億9744万 | +0.54% |
| 12/19 | 923 | 936 | 923 | 936 | +0.75% | 1,300 | 28億1548万 | +1.19% |
| 12/18 | 940 | 940 | 929 | 929 | -2.72% | 200 | 27億9443万 | +0.43% |
| 12/17 | 930 | 955 | 921 | 955 | +2.14% | 6,500 | 28億7264万 | +3.24% |
| 12/16 | 935 | 935 | 935 | 935 | +1.08% | 100 | 28億1248万 | +1.19% |
| 12/13 | 925 | 925 | 925 | 925 | -0.75% | 100 | 27億8240万 | +0.11% |
| 12/12 | 920 | 934 | 917 | 932 | -0.32% | 2,300 | 28億345万 | +0.76% |
| 12/10 | 910 | 970 | 910 | 935 | +2.19% | 3,300 | 28億1248万 | +1.08% |
| 12/09 | 908 | 915 | 908 | 915 | +0.77% | 900 | 27億5232万 | -1.08% |
| 12/06 | 910 | 910 | 908 | 908 | -0.22% | 2,300 | 27億3126万 | -1.94% |
| 12/05 | 910 | 911 | 910 | 910 | 0% | 700 | 27億3728万 | -1.73% |
| 12/04 | 911 | 911 | 910 | 910 | -0.76% | 400 | 27億3728万 | -1.73% |
| 12/03 | 907 | 917 | 907 | 917 | +1.1% | 800 | 27億5833万 | -0.97% |
| 12/02 | 915 | 915 | 904 | 907 | -1.31% | 1,400 | 27億2825万 | -2.16% |
| 11/29 | 920 | 920 | 919 | 919 | -0.65% | 500 | 27億6435万 | -0.97% |
| 11/28 | 912 | 928 | 912 | 925 | +1.31% | 1,100 | 27億8240万 | -0.32% |
| 11/27 | 905 | 914 | 903 | 913 | -0.76% | 3,500 | 27億4630万 | -1.62% |
| 11/26 | 925 | 925 | 919 | 920 | -0.86% | 1,400 | 27億6736万 | -0.97% |
| 11/25 | 928 | 928 | 925 | 928 | 0% | 1,400 | 27億9142万 | -0.11% |
| 11/22 | 928 | 928 | 928 | 928 | -0.43% | 700 | 27億9142万 | -0.11% |
| 11/21 | 932 | 932 | 932 | 932 | +0.11% | 100 | 28億345万 | +0.32% |
| 11/19 | 937 | 937 | 931 | 931 | +0.43% | 200 | 28億44万 | +0.22% |
| 11/18 | 927 | 927 | 927 | 927 | -0.22% | 600 | 27億8841万 | -0.22% |
