| 2018 |
| 06/29 | 1,063 | 1,094 | 1,055 | 1,082 | +1.79% | 8,300 | 84億7465万 | +2.17% |
| 06/28 | 1,080 | 1,090 | 1,062 | 1,063 | -1.94% | 11,500 | 83億2584万 | +0.38% |
| 06/27 | 1,095 | 1,095 | 1,072 | 1,084 | +0.84% | 9,400 | 84億9032万 | +2.17% |
| 06/26 | 14:00 子会社 日本ＥＲＩ株式会社におけるＢＩＭを活用した初の確認済証交付のお知らせ |
| 06/26 | 1,060 | 1,078 | 1,046 | 1,075 | +0.94% | 14,000 | 84億1983万 | +1.32% |
| 06/25 | 1,106 | 1,113 | 1,060 | 1,065 | -2.83% | 23,500 | 83億4150万 | +0.19% |
| 06/22 | 1,085 | 1,105 | 1,070 | 1,096 | +1.29% | 15,600 | 85億8431万 | +3.01% |
| 06/21 | 1,107 | 1,109 | 1,081 | 1,082 | -1.46% | 12,300 | 84億7465万 | +1.69% |
| 06/20 | 1,100 | 1,100 | 1,062 | 1,098 | +1.86% | 37,900 | 85億9997万 | +3.1% |
| 06/19 | 1,072 | 1,103 | 1,057 | 1,078 | +1.22% | 35,900 | 84億4332万 | +1.32% |
| 06/18 | 1,066 | 1,068 | 1,043 | 1,065 | -0.09% | 15,900 | 83億4150万 | -0.09% |
| 06/15 | 1,069 | 1,084 | 1,051 | 1,066 | +0.47% | 34,400 | 83億4933万 | -0.19% |
| 06/14 | 1,039 | 1,065 | 1,037 | 1,061 | +1.05% | 14,100 | 83億1017万 | -0.75% |
| 06/13 | 1,051 | 1,056 | 1,042 | 1,050 | -0.1% | 8,800 | 82億2402万 | -1.96% |
| 06/12 | 1,058 | 1,058 | 1,043 | 1,051 | -0.28% | 6,400 | 82億3185万 | -2.14% |
| 06/11 | 10:30 子会社 日本ＥＲＩ株式会社におけるホームページ全面リニューアルに関するお知らせ |
| 06/11 | 1,063 | 1,063 | 1,038 | 1,054 | +0.76% | 15,100 | 82億5534万 | -2.23% |
| 06/08 | 1,045 | 1,046 | 1,030 | 1,046 | 0% | 15,300 | 81億9269万 | -3.42% |
| 06/07 | 1,022 | 1,046 | 1,022 | 1,046 | +2.55% | 16,700 | 81億9269万 | -3.86% |
| 06/06 | 1,028 | 1,032 | 1,020 | 1,020 | -0.78% | 29,800 | 79億8904万 | -6.59% |
| 06/05 | 1,032 | 1,041 | 1,025 | 1,028 | -0.77% | 15,800 | 80億5170万 | -6.38% |
| 06/04 | 1,036 | 1,037 | 1,024 | 1,036 | +0.1% | 12,600 | 81億1436万 | -6.07% |
| 06/01 | 10:00 子会社 株式会社ＥＲＩソリューションにおける建設コンサルタント登録のお知らせ |
| 06/01 | 1,030 | 1,039 | 1,026 | 1,035 | +0.98% | 10,000 | 81億653万 | -6.59% |
| 05/31 | 1,045 | 1,050 | 1,025 | 1,025 | -2.29% | 25,800 | 80億2821万 | -7.91% |
| 05/30 | 1,036 | 1,050 | 1,030 | 1,049 | +0.38% | 26,600 | 82億1618万 | -6.26% |
| 05/29 | 1,046 | 1,070 | 1,023 | 1,045 | -2.52% | 51,000 | 81億8485万 | -6.95% |
| 05/28 | 1,091 | 1,095 | 1,072 | 1,072 | -1.74% | 184,200 | 83億9633万 | -4.96% |
| 05/25 | 1,093 | 1,097 | 1,091 | 1,091 | -0.82% | 24,000 | 85億4514万 | -3.45% |
| 05/24 | 1,101 | 1,101 | 1,091 | 1,100 | 0% | 9,300 | 86億1564万 | -2.74% |
| 05/23 | 1,115 | 1,115 | 1,094 | 1,100 | -0.45% | 22,400 | 86億1564万 | -2.91% |
| 05/22 | 16:00 子会社の人事異動に関するお知らせ |
| 05/22 | 1,106 | 1,111 | 1,104 | 1,105 | -0.09% | 11,000 | 86億5480万 | -2.56% |
| 05/21 | 1,101 | 1,118 | 1,100 | 1,106 | +0.73% | 33,300 | 86億6263万 | -2.56% |
| 05/18 | 1,100 | 1,100 | 1,093 | 1,098 | +0.55% | 15,300 | 85億9997万 | -3.35% |
| 05/17 | 1,091 | 1,104 | 1,091 | 1,092 | 0% | 26,800 | 85億5298万 | -4.13% |
| 05/16 | 1,116 | 1,116 | 1,090 | 1,092 | -2.15% | 36,500 | 85億5298万 | -4.55% |
| 05/15 | 1,134 | 1,134 | 1,110 | 1,116 | +0.36% | 38,100 | 87億4095万 | -2.96% |
| 05/14 | 1,105 | 1,119 | 1,101 | 1,112 | +0.54% | 12,800 | 87億962万 | -3.72% |
| 05/11 | 1,090 | 1,119 | 1,088 | 1,106 | +1.28% | 31,800 | 86億6263万 | -4.66% |
| 05/10 | 1,122 | 1,135 | 1,091 | 1,092 | -2.59% | 38,200 | 85億5298万 | -6.35% |
| 05/09 | 1,170 | 1,170 | 1,113 | 1,121 | -4.27% | 78,900 | 87億8012万 | -4.11% |
| 05/08 | 1,174 | 1,183 | 1,171 | 1,171 | -0.43% | 45,100 | 91億7174万 | +0.34% |
| 05/07 | 1,165 | 1,183 | 1,162 | 1,176 | +1.47% | 34,200 | 92億1090万 | +1.12% |
| 05/02 | 1,168 | 1,168 | 1,154 | 1,159 | -0.34% | 11,800 | 90億7775万 | +0.35% |
| 05/01 | 1,158 | 1,169 | 1,152 | 1,163 | +0.43% | 23,200 | 91億908万 | +1.31% |
| 04/27 | 1,164 | 1,169 | 1,154 | 1,158 | -0.52% | 30,700 | 90億6991万 | +1.58% |
| 04/26 | 10:30 「ＥＲＩ学生デザインコンペ2018」開催のお知らせ |
| 04/26 | 1,154 | 1,169 | 1,153 | 1,164 | +0.95% | 33,400 | 91億1691万 | +2.92% |
| 04/25 | 1,159 | 1,165 | 1,146 | 1,153 | -0.52% | 22,900 | 90億3075万 | +2.67% |
| 04/24 | 1,184 | 1,184 | 1,145 | 1,159 | -2.11% | 39,600 | 90億7775万 | +3.95% |
| 04/23 | 1,153 | 1,189 | 1,153 | 1,184 | +2.87% | 47,200 | 92億7356万 | +7.05% |
| 04/20 | 1,146 | 1,154 | 1,144 | 1,151 | +0.26% | 18,800 | 90億1509万 | +4.83% |
| 04/19 | 1,140 | 1,158 | 1,138 | 1,148 | +0.61% | 25,300 | 89億9159万 | +5.32% |
| 04/18 | 1,127 | 1,149 | 1,101 | 1,141 | +2.24% | 40,100 | 89億3676万 | +5.36% |
| 04/17 | 1,111 | 1,128 | 1,096 | 1,116 | -1.24% | 72,600 | 87億4095万 | +3.72% |
| 04/16 | 1,144 | 1,148 | 1,119 | 1,130 | -1.31% | 29,200 | 88億5061万 | +5.71% |
| 04/13 | 1,120 | 1,168 | 1,118 | 1,145 | +2.6% | 62,300 | 89億6809万 | +7.82% |
| 04/12 | 1,160 | 1,170 | 1,115 | 1,116 | -2.7% | 91,800 | 87億4095万 | +5.78% |
| 04/11 | 1,191 | 1,204 | 1,136 | 1,147 | -1.8% | 139,000 | 89億8376万 | +9.34% |
| 04/10 | 1,203 | 1,213 | 1,130 | 1,168 | -4.5% | 162,600 | 91億4824万 | +12.2% |
| 04/09 | 1,242 | 1,245 | 1,204 | 1,223 | -1.37% | 65,000 | 95億7902万 | +18.51% |
| 04/06 | 1,231 | 1,257 | 1,210 | 1,240 | +0.16% | 102,800 | 97億1217万 | +21.45% |
| 04/05 | 1,225 | 1,239 | 1,167 | 1,238 | 0% | 181,300 | 96億9651万 | +22.7% |
| 04/04 | 1,236 | 1,245 | 1,204 | 1,238 | +0.08% | 126,600 | 96億9651万 | +24.05% |
| 04/03 | 1,167 | 1,274 | 1,154 | 1,237 | +5.1% | 416,600 | 96億8867万 | +25.33% |
| 04/02 | 1,122 | 1,180 | 1,092 | 1,177 | +10.21% | 442,000 | 92億1873万 | +20.72% |
| 03/30 | 15:00 平成30年5月期第3四半期決算説明資料 |
| 03/30 | 15:00 平成30年5月期第3四半期決算短信〔日本基準〕(連結) |
| 03/30 | 1,110 | 1,111 | 1,066 | 1,068 | -0.19% | 237,600 | 83億6500万 | +10.44% |
| 03/29 | 1,020 | 1,070 | 1,020 | 1,070 | +9.52% | 227,000 | 83億8066万 | +11.11% |
| 03/28 | 966 | 984 | 966 | 977 | -1.11% | 34,100 | 76億5225万 | +1.88% |
| 03/27 | 999 | 999 | 961 | 988 | +1.96% | 37,000 | 77億3841万 | +3.13% |
| 03/26 | 935 | 976 | 921 | 969 | +4.64% | 44,400 | 75億8959万 | +1.25% |
| 03/23 | 937 | 942 | 922 | 926 | -3.54% | 21,500 | 72億5280万 | -3.14% |
| 03/22 | 955 | 963 | 949 | 960 | +0.84% | 13,700 | 75億1910万 | +0.31% |
| 03/20 | 16:00 子会社株式会社ERIソリューションにおける株式会社家守りホールディングスとの業務提携のお知らせ |
| 03/20 | 16:00 子会社の人事異動に関するお知らせ |
| 03/20 | 951 | 952 | 937 | 952 | +0.11% | 24,200 | 74億5644万 | -0.31% |
| 03/19 | 970 | 970 | 948 | 951 | -2.56% | 33,300 | 74億4861万 | -0.31% |
| 03/16 | 957 | 976 | 953 | 976 | +1.88% | 20,900 | 76億4442万 | +2.41% |
| 03/15 | 958 | 966 | 958 | 958 | 0% | 5,000 | 75億343万 | +0.63% |
| 03/14 | 962 | 968 | 958 | 958 | -0.42% | 14,200 | 75億343万 | +0.74% |
| 03/13 | 956 | 966 | 950 | 962 | +0.42% | 30,400 | 75億3476万 | +1.37% |
| 03/12 | 953 | 960 | 953 | 958 | +0.63% | 11,700 | 75億343万 | +0.84% |
| 03/09 | 967 | 973 | 946 | 952 | -0.94% | 25,800 | 74億5644万 | +0.11% |
| 03/08 | 960 | 965 | 956 | 961 | +0.1% | 9,600 | 75億2693万 | +0.84% |
| 03/07 | 961 | 965 | 952 | 960 | +0.1% | 14,400 | 75億1910万 | +0.52% |
| 03/06 | 952 | 961 | 952 | 959 | +1.05% | 10,700 | 75億1127万 | +0.21% |
| 03/05 | 952 | 962 | 943 | 949 | +0.85% | 21,700 | 74億3294万 | -1.15% |
| 03/02 | 938 | 942 | 936 | 941 | -0.11% | 11,200 | 73億7028万 | -2.28% |
| 03/01 | 953 | 953 | 939 | 942 | -0.95% | 23,300 | 73億7812万 | -2.59% |
| 02/28 | 965 | 965 | 951 | 951 | -1.45% | 19,400 | 74億4861万 | -1.96% |
| 02/27 | 978 | 978 | 960 | 965 | +0.84% | 8,700 | 75億5826万 | -0.72% |
| 02/26 | 978 | 978 | 953 | 957 | -0.62% | 18,400 | 74億9560万 | -1.75% |
| 02/23 | 966 | 969 | 961 | 963 | -0.52% | 11,400 | 75億4260万 | -1.23% |
| 02/22 | 960 | 975 | 958 | 968 | +0.62% | 18,900 | 75億8176万 | -0.92% |
| 02/21 | 964 | 976 | 959 | 962 | -0.72% | 22,500 | 75億3476万 | -1.74% |
| 02/20 | 966 | 970 | 950 | 969 | +0.83% | 35,500 | 75億8959万 | -1.22% |
| 02/19 | 945 | 965 | 945 | 961 | +2.02% | 28,200 | 75億2693万 | -2.14% |
| 02/16 | 938 | 950 | 937 | 942 | +0.64% | 12,300 | 73億7812万 | -4.07% |
| 02/15 | 917 | 939 | 913 | 936 | +2.07% | 22,100 | 73億3112万 | -4.78% |
| 02/14 | 936 | 938 | 915 | 917 | -1.93% | 21,000 | 71億8231万 | -6.9% |
| 02/13 | 936 | 950 | 935 | 935 | +0.54% | 18,600 | 73億2329万 | -5.17% |
| 02/09 | 930 | 933 | 917 | 930 | -1.06% | 22,000 | 72億8413万 | -5.78% |
| 02/08 | 929 | 950 | 929 | 940 | +1.62% | 13,000 | 73億6245万 | -4.86% |
| 02/07 | 960 | 966 | 925 | 925 | -0.22% | 27,500 | 72億4497万 | -6.47% |
| 02/06 | 927 | 938 | 917 | 927 | -4.43% | 48,800 | 72億6063万 | -6.27% |
| 02/05 | 998 | 998 | 962 | 970 | -3.1% | 39,900 | 75億9742万 | -1.92% |
