| 2019 |
| 04/16 | 1,000 | 1,003 | 964 | 967 | -2.72% | 88,100 | 75億7393万 | +2.87% |
| 04/15 | 1,051 | 1,051 | 974 | 994 | -4.05% | 181,000 | 77億8540万 | +6.31% |
| 04/12 | 1,038 | 1,064 | 1,016 | 1,036 | -0.19% | 101,700 | 81億1436万 | +11.52% |
| 04/11 | 1,047 | 1,048 | 1,017 | 1,038 | -0.95% | 38,700 | 81億3003万 | +12.22% |
| 04/10 | 1,012 | 1,055 | 1,012 | 1,048 | +2.34% | 60,000 | 82億835万 | +13.67% |
| 04/09 | 1,021 | 1,034 | 1,012 | 1,024 | +0.2% | 31,800 | 80億2037万 | +12.04% |
| 04/08 | 1,080 | 1,080 | 1,014 | 1,022 | -5.46% | 108,300 | 80億471万 | +12.8% |
| 04/05 | 1,063 | 1,083 | 1,034 | 1,081 | +8.21% | 216,700 | 84億6682万 | +20.24% |
| 04/04 | 1,024 | 1,026 | 993 | 999 | -1.96% | 65,900 | 78億2456万 | +12.5% |
| 04/03 | 1,047 | 1,056 | 992 | 1,019 | -1.83% | 143,400 | 79億8121万 | +15.53% |
| 04/02 | 984 | 1,047 | 981 | 1,038 | +5.06% | 209,300 | 81億3003万 | +18.76% |
| 04/01 | 1,035 | 1,035 | 980 | 988 | +9.78% | 313,100 | 77億3841万 | +14.22% |
| 03/29 | 15:00 平成31年5月期第3四半期決算説明資料 |
| 03/29 | 15:00 平成31年5月期第3四半期決算短信〔日本基準〕(連結) |
| 03/29 | 921 | 932 | 900 | 900 | -2.17% | 71,300 | 70億4916万 | +4.9% |
| 03/28 | 905 | 920 | 891 | 920 | +1.88% | 35,100 | 72億580万 | +7.73% |
| 03/27 | 879 | 914 | 876 | 903 | +3.32% | 46,500 | 70億7265万 | +6.24% |
| 03/26 | 859 | 881 | 859 | 874 | +3.55% | 35,600 | 68億4551万 | +3.31% |
| 03/25 | 855 | 865 | 844 | 844 | -3.1% | 20,400 | 66億1054万 | +0.12% |
| 03/22 | 858 | 877 | 853 | 871 | +1.63% | 24,200 | 68億2202万 | +3.69% |
| 03/20 | 844 | 865 | 844 | 857 | +1.66% | 20,900 | 67億1236万 | +2.51% |
| 03/19 | 857 | 857 | 839 | 843 | -1.63% | 13,300 | 66億271万 | +1.32% |
| 03/18 | 838 | 858 | 837 | 857 | +2.63% | 15,800 | 67億1236万 | +3.5% |
| 03/15 | 10:00 「ＥＲＩ学生デザインコンペ2019」開催のお知らせ |
| 03/15 | 842 | 854 | 835 | 835 | -0.83% | 10,400 | 65億4005万 | +1.46% |
| 03/14 | 864 | 864 | 833 | 842 | -1.52% | 13,500 | 65億9488万 | +2.56% |
| 03/13 | 849 | 869 | 841 | 855 | +0.35% | 18,800 | 66億9670万 | +4.52% |
| 03/12 | 849 | 859 | 847 | 852 | +1.43% | 20,000 | 66億7320万 | +4.54% |
| 03/11 | 851 | 854 | 820 | 840 | -1.29% | 37,700 | 65億7921万 | +3.58% |
| 03/08 | 892 | 892 | 850 | 851 | -6.89% | 81,500 | 66億6537万 | +5.45% |
| 03/07 | 967 | 974 | 891 | 914 | -5.48% | 200,200 | 71億5881万 | +13.82% |
| 03/06 | 886 | 970 | 859 | 967 | +12.97% | 272,700 | 75億7393万 | +21.33% |
| 03/05 | 821 | 874 | 810 | 856 | +3.26% | 86,200 | 67億453万 | +8.49% |
| 03/04 | 842 | 842 | 823 | 829 | -0.36% | 13,200 | 64億9305万 | +5.61% |
| 03/01 | 814 | 839 | 814 | 832 | +2.34% | 9,500 | 65億1655万 | +6.39% |
| 02/28 | 848 | 848 | 811 | 813 | -3.67% | 15,900 | 63億6774万 | +4.36% |
| 02/27 | 834 | 850 | 826 | 844 | +1.2% | 19,800 | 66億1054万 | +8.62% |
| 02/26 | 814 | 853 | 814 | 834 | +3.22% | 44,500 | 65億3222万 | +7.89% |
| 02/25 | 798 | 810 | 798 | 808 | +1.38% | 13,200 | 63億2857万 | +4.94% |
| 02/22 | 814 | 818 | 778 | 797 | -1.48% | 24,300 | 62億4242万 | +3.64% |
| 02/21 | 822 | 824 | 802 | 809 | -2.41% | 27,500 | 63億3641万 | +5.61% |
| 02/20 | 802 | 895 | 796 | 829 | +3.11% | 137,400 | 64億9305万 | +8.65% |
| 02/19 | 798 | 817 | 789 | 804 | +1.26% | 21,400 | 62億9724万 | +5.93% |
| 02/18 | 786 | 794 | 780 | 794 | +2.19% | 14,600 | 62億1892万 | +5.03% |
| 02/15 | 751 | 785 | 751 | 777 | +2.51% | 17,300 | 60億8577万 | +3.05% |
| 02/14 | 760 | 761 | 756 | 758 | +0.8% | 6,800 | 59億3695万 | +0.66% |
| 02/13 | 755 | 765 | 742 | 752 | +0.13% | 28,300 | 58億8996万 | -0.13% |
| 02/12 | 738 | 754 | 738 | 751 | +0.94% | 14,600 | 58億8213万 | -0.4% |
| 02/08 | 759 | 765 | 739 | 744 | -2.49% | 26,300 | 58億2730万 | -1.2% |
| 02/07 | 768 | 770 | 762 | 763 | -1.42% | 5,300 | 59億7612万 | +1.19% |
| 02/06 | 769 | 781 | 765 | 774 | +0.13% | 24,700 | 60億6227万 | +2.65% |
| 02/05 | 760 | 773 | 758 | 773 | +1.98% | 9,600 | 60億5444万 | +2.79% |
| 02/04 | 752 | 761 | 752 | 758 | +1.07% | 7,000 | 59億3695万 | +1.47% |
| 02/01 | 752 | 755 | 742 | 750 | 0% | 17,500 | 58億7430万 | +0.4% |
| 01/31 | 753 | 762 | 745 | 750 | +0.13% | 10,500 | 58億7430万 | +0.27% |
| 01/30 | 764 | 764 | 746 | 749 | -2.09% | 11,500 | 58億6646万 | -0.27% |
| 01/29 | 767 | 767 | 761 | 765 | -0.26% | 9,100 | 59億9178万 | +1.46% |
| 01/28 | 760 | 770 | 760 | 767 | +0.92% | 15,800 | 60億745万 | +1.32% |
| 01/25 | 762 | 770 | 753 | 760 | +0.4% | 7,100 | 59億5262万 | -0.13% |
| 01/24 | 744 | 764 | 744 | 757 | +1.34% | 9,200 | 59億2912万 | -1.05% |
| 01/23 | 746 | 756 | 745 | 747 | -1.32% | 7,700 | 58億5080万 | -2.99% |
| 01/22 | 758 | 759 | 750 | 757 | -0.39% | 4,600 | 59億2912万 | -2.2% |
| 01/21 | 771 | 775 | 754 | 760 | -1.17% | 13,200 | 59億5262万 | -2.44% |
| 01/18 | 744 | 776 | 744 | 769 | +4.2% | 21,500 | 60億2311万 | -2.04% |
| 01/17 | 728 | 745 | 728 | 738 | +1.51% | 10,900 | 57億8031万 | -6.7% |
| 01/16 | 734 | 739 | 727 | 727 | -1.22% | 6,900 | 56億9415万 | -8.9% |
| 01/15 | 728 | 741 | 719 | 736 | +1.1% | 10,400 | 57億6464万 | -8.57% |
| 01/11 | 17:10 平成31年5月期第2四半期決算説明資料 |
| 01/11 | 740 | 740 | 728 | 728 | -1.09% | 12,100 | 57億198万 | -10.46% |
| 01/10 | 752 | 754 | 731 | 736 | -2.39% | 20,200 | 57億6464万 | -10.35% |
| 01/09 | 768 | 770 | 754 | 754 | -0.66% | 8,400 | 59億562万 | -9.05% |
| 01/08 | 770 | 779 | 752 | 759 | -1.43% | 10,900 | 59億4479万 | -9.21% |
| 01/07 | 752 | 782 | 742 | 770 | +3.36% | 29,300 | 60億3094万 | -8.55% |
| 01/04 | 740 | 753 | 728 | 745 | -3.25% | 55,900 | 58億3513万 | -12.25% |
| 12/28 | 15:00 剰余金の配当に関するお知らせ |
| 12/28 | 15:00 平成31年5月期第2四半期決算短信〔日本基準〕(連結) |
| 2018 |
| 12/28 | 749 | 778 | 733 | 770 | +3.36% | 34,300 | 60億3094万 | -10.05% |
| 12/27 | 749 | 760 | 737 | 745 | +2.9% | 40,300 | 58億3513万 | -13.47% |
| 12/26 | 687 | 725 | 681 | 724 | +10.03% | 42,700 | 56億7065万 | -16.59% |
| 12/25 | 709 | 734 | 658 | 658 | -12.73% | 138,700 | 51億5371万 | -24.89% |
| 12/21 | 779 | 779 | 714 | 754 | -3.95% | 72,800 | 59億562万 | -14.9% |
| 12/20 | 14:15 グループ会社 株式会社ＥＲＩアカデミーにおける平成30年建築基準適合判定資格者検定の合格者について |
| 12/20 | 810 | 811 | 781 | 785 | -3.44% | 36,500 | 61億4843万 | -12.09% |
| 12/19 | 823 | 825 | 812 | 813 | -0.12% | 7,700 | 63億6774万 | -9.47% |
| 12/18 | 16:30 子会社の人事異動に関するお知らせ |
| 12/18 | 832 | 832 | 810 | 814 | -3.67% | 26,400 | 63億7557万 | -9.86% |
| 12/17 | 860 | 860 | 822 | 845 | -2.09% | 59,900 | 66億1837万 | -6.94% |
| 12/14 | 893 | 893 | 857 | 863 | -1.71% | 19,300 | 67億5936万 | -5.48% |
| 12/13 | 881 | 888 | 875 | 878 | -0.34% | 12,200 | 68億7684万 | -4.25% |
| 12/12 | 875 | 891 | 867 | 881 | +3.65% | 29,800 | 69億34万 | -4.24% |
| 12/11 | 885 | 892 | 849 | 850 | -2.52% | 29,800 | 66億5754万 | -7.81% |
| 12/10 | 905 | 907 | 860 | 872 | -4.39% | 21,800 | 68億2985万 | -5.83% |
| 12/07 | 915 | 928 | 907 | 912 | +0.22% | 10,000 | 71億4314万 | -1.94% |
| 12/06 | 918 | 921 | 906 | 910 | -0.55% | 13,600 | 71億2748万 | -2.36% |
| 12/05 | 911 | 930 | 911 | 915 | -0.44% | 8,300 | 71億6664万 | -2.03% |
| 12/04 | 926 | 953 | 917 | 919 | -1.29% | 12,400 | 71億9797万 | -1.92% |
| 12/03 | 928 | 941 | 926 | 931 | +0.65% | 10,500 | 72億9196万 | -0.64% |
| 11/30 | 928 | 929 | 918 | 925 | -0.11% | 9,900 | 72億4497万 | -1.28% |
| 11/29 | 929 | 929 | 913 | 926 | -0.11% | 9,800 | 72億5280万 | -1.38% |
| 11/28 | 918 | 927 | 901 | 927 | +0.11% | 26,300 | 72億6063万 | -1.59% |
| 11/27 | 929 | 941 | 921 | 926 | -0.11% | 146,200 | 72億5280万 | -2.01% |
| 11/26 | 926 | 927 | 919 | 927 | +0.43% | 6,700 | 72億6063万 | -2.32% |
| 11/22 | 910 | 926 | 910 | 923 | +1.43% | 9,800 | 72億2930万 | -3.25% |
| 11/21 | 903 | 910 | 902 | 910 | +0.11% | 7,500 | 71億2748万 | -5.01% |
| 11/20 | 905 | 914 | 905 | 909 | -1.84% | 8,500 | 71億1965万 | -5.61% |
| 11/19 | 913 | 926 | 910 | 926 | +1.65% | 7,000 | 72億5280万 | -4.14% |
| 11/16 | 927 | 927 | 905 | 911 | -1.62% | 24,400 | 71億3531万 | -5.99% |
| 11/15 | 915 | 926 | 912 | 926 | +0.87% | 9,500 | 72億5280万 | -4.93% |
