| 2018 |
| 06/22 | （IR情報）16:00 (開示事項の経過)固定資産の譲渡完了並びに補助金返還による特別損失計上に関するお知らせ |
| 06/18 | 1,014 | 1,024 | 1,014 | 1,015 | +0.1% | 1,500 | 31億9856万 | -0.49% |
| 06/15 | 1,040 | 1,040 | 1,014 | 1,014 | -2.59% | 1,500 | 31億9541万 | -0.49% |
| 06/14 | 1,033 | 1,041 | 1,033 | 1,041 | +2.76% | 1,200 | 32億8050万 | +2.26% |
| 06/13 | 1,013 | 1,013 | 1,013 | 1,013 | 0% | 200 | 31億9226万 | -0.3% |
| 06/12 | 1,036 | 1,036 | 1,013 | 1,013 | +0.1% | 1,400 | 31億9226万 | -0.1% |
| 06/11 | 1,013 | 1,014 | 1,012 | 1,012 | -0.1% | 600 | 31億8911万 | -0.1% |
| 06/08 | 1,030 | 1,030 | 1,013 | 1,013 | -0.3% | 2,000 | 31億9226万 | +0.1% |
| 06/07 | 1,015 | 1,026 | 1,014 | 1,016 | -0.39% | 2,000 | 32億172万 | +0.59% |
| 06/06 | 1,024 | 1,038 | 1,020 | 1,020 | -0.29% | 3,500 | 32億1432万 | +1.09% |
| 06/05 | 1,037 | 1,037 | 1,023 | 1,023 | -1.54% | 2,100 | 32億2377万 | +1.59% |
| 06/04 | 1,068 | 1,073 | 1,013 | 1,039 | -7.89% | 10,300 | 32億7420万 | +3.49% |
| 06/01 | 1,120 | 1,139 | 1,101 | 1,128 | -1.4% | 7,700 | 35億5466万 | +12.69% |
| 05/31 | 1,195 | 1,249 | 1,060 | 1,144 | +0.79% | 76,300 | 36億508万 | +15.09% |
| 05/30 | 1,135 | 1,135 | 1,135 | 1,135 | +15.23% | 6,800 | 35億7672万 | +15.11% |
| 05/29 | （IR情報）16:00 特別利益の計上および業績予想の修正に関するお知らせ |
| 05/29 | （IR情報）16:00 固定資産の譲渡に関するお知らせ |
| 05/29 | 980 | 985 | 980 | 985 | -1.01% | 1,900 | 31億403万 | +0.61% |
| 05/28 | 995 | 995 | 995 | 995 | 0% | 100 | 31億3554万 | +1.63% |
| 05/25 | 995 | 995 | 995 | 995 | -0.3% | 100 | 31億3554万 | +1.74% |
| 05/24 | 985 | 998 | 985 | 998 | +2.89% | 300 | 31億4499万 | +2.15% |
| 05/23 | 970 | 970 | 970 | 970 | -0.31% | 600 | 30億5676万 | -0.51% |
| 05/22 | 977 | 977 | 973 | 973 | -0.41% | 700 | 30億6621万 | -0.1% |
| 05/21 | 978 | 978 | 973 | 977 | -1.11% | 800 | 30億7882万 | +0.41% |
| 05/18 | 1,000 | 1,001 | 988 | 988 | -1.2% | 2,300 | 31億1348万 | +1.65% |
| 05/17 | （IR情報）16:30 親会社等の決算に関するお知らせ |
| 05/17 | 1,000 | 1,000 | 1,000 | 1,000 | +0.5% | 5,100 | 31億5130万 | +2.99% |
| 05/16 | 1,000 | 1,008 | 995 | 995 | -0.3% | 5,600 | 31億3554万 | +2.68% |
| 05/15 | （IR情報）16:00 平成30年3月期決算短信〔日本基準〕(連結) |
| 05/15 | （IR情報）16:00 支配株主等に関する事項について |
| 05/15 | 999 | 999 | 998 | 998 | +1.42% | 500 | 31億4499万 | +3.21% |
| 05/14 | 990 | 990 | 984 | 984 | 0% | 200 | 31億87万 | +1.86% |
| 05/11 | 997 | 997 | 984 | 984 | -1.01% | 1,900 | 31億87万 | +1.97% |
| 05/10 | 998 | 998 | 994 | 994 | +2.05% | 1,200 | 31億3239万 | +3.22% |
| 05/09 | 980 | 983 | 974 | 974 | -0.61% | 2,300 | 30億6936万 | +1.35% |
| 05/08 | 980 | 982 | 980 | 980 | 0% | 500 | 30億8827万 | +2.08% |
| 05/07 | 981 | 987 | 980 | 980 | -0.2% | 800 | 30億8827万 | +2.19% |
| 05/02 | 973 | 982 | 973 | 982 | +0.82% | 300 | 30億9457万 | +2.4% |
| 05/01 | 974 | 974 | 974 | 974 | +0.41% | 100 | 30億6936万 | +1.67% |
| 04/27 | 959 | 970 | 958 | 970 | +1.46% | 1,600 | 30億5676万 | +1.25% |
| 04/26 | 956 | 960 | 956 | 956 | 0% | 600 | 30億1264万 | -0.1% |
| 04/25 | 956 | 956 | 956 | 956 | 0% | 400 | 30億1264万 | -0.1% |
| 04/20 | 972 | 972 | 955 | 956 | -0.1% | 1,400 | 30億1264万 | -0.1% |
| 04/19 | 955 | 972 | 955 | 957 | -0.21% | 400 | 30億1579万 | 0% |
| 04/18 | 959 | 959 | 959 | 959 | -1.54% | 300 | 30億2209万 | +0.21% |
| 04/17 | 968 | 974 | 965 | 974 | +0.62% | 2,600 | 30億6936万 | +1.88% |
| 04/16 | 968 | 971 | 962 | 968 | 0% | 3,600 | 30億5045万 | +1.36% |
| 04/13 | 969 | 969 | 955 | 968 | +1.79% | 1,900 | 30億5045万 | +1.36% |
| 04/12 | 966 | 966 | 951 | 951 | 0% | 300 | 29億9688万 | -0.31% |
| 04/10 | 951 | 951 | 951 | 951 | +0.96% | 200 | 29億9688万 | -0.31% |
| 04/09 | 942 | 942 | 942 | 942 | -1.36% | 200 | 29億6852万 | -1.26% |
| 04/06 | 955 | 956 | 955 | 955 | -0.1% | 500 | 30億949万 | +0.1% |
| 04/05 | 956 | 956 | 956 | 956 | -0.1% | 100 | 30億1264万 | +0.31% |
| 04/04 | 957 | 957 | 957 | 957 | 0% | 100 | 30億1579万 | +0.42% |
| 04/03 | 972 | 972 | 957 | 957 | -1.64% | 400 | 30億1579万 | +0.42% |
| 04/02 | 949 | 973 | 949 | 973 | +2.53% | 1,100 | 30億6621万 | +2.1% |
| 03/30 | 943 | 964 | 943 | 949 | +0.74% | 1,400 | 29億9058万 | -0.42% |
| 03/28 | 943 | 943 | 942 | 942 | -0.74% | 1,100 | 29億6852万 | -1.15% |
| 03/27 | 962 | 962 | 949 | 949 | +0.21% | 300 | 29億9058万 | -0.42% |
| 03/26 | 946 | 947 | 946 | 947 | -0.11% | 1,000 | 29億8428万 | -0.63% |
| 03/23 | 951 | 953 | 947 | 948 | -2.27% | 3,000 | 29億8743万 | -0.52% |
| 03/22 | 970 | 977 | 970 | 970 | +0.31% | 400 | 30億5676万 | +1.78% |
| 03/20 | 961 | 968 | 961 | 967 | -0.21% | 2,400 | 30億4730万 | +1.47% |
| 03/19 | 963 | 969 | 963 | 969 | +1.15% | 1,100 | 30億5360万 | +1.79% |
| 03/16 | 956 | 958 | 955 | 958 | +1.27% | 1,200 | 30億1894万 | +0.52% |
| 03/15 | 946 | 946 | 946 | 946 | -1.05% | 300 | 29億8112万 | -0.94% |
| 03/14 | 955 | 956 | 955 | 956 | +0.1% | 400 | 30億1264万 | -0.21% |
| 03/13 | 947 | 955 | 947 | 955 | +0.84% | 1,200 | 30億949万 | -0.52% |
| 03/12 | 959 | 959 | 947 | 947 | -0.11% | 800 | 29億8428万 | -1.76% |
| 03/09 | 947 | 948 | 947 | 948 | -0.42% | 300 | 29億8743万 | -2.07% |
| 03/08 | 962 | 962 | 948 | 952 | -0.94% | 1,100 | 30億3万 | -1.96% |
| 03/07 | 960 | 961 | 960 | 961 | +1.69% | 600 | 30億2839万 | -1.44% |
| 03/06 | 939 | 950 | 939 | 945 | -0.94% | 1,700 | 29億7797万 | -3.37% |
| 03/05 | 949 | 954 | 940 | 954 | +1.92% | 1,000 | 30億634万 | -2.75% |
| 03/02 | 936 | 936 | 936 | 936 | -0.64% | 200 | 29億4961万 | -4.78% |
| 03/01 | 922 | 948 | 922 | 942 | -1.05% | 5,300 | 29億6852万 | -4.56% |
| 02/28 | （IR情報）18:30 「平成29年度省エネルギー投資促進に向けた支援補助金」の補助金額確定および特別利益の計上に関するお知らせ |
| 02/28 | 960 | 960 | 947 | 952 | +0.11% | 1,500 | 30億3万 | -3.84% |
| 02/27 | 942 | 951 | 942 | 951 | 0% | 2,500 | 29億9688万 | -4.13% |
| 02/26 | 956 | 960 | 950 | 951 | -0.42% | 2,900 | 29億9688万 | -4.23% |
| 02/23 | 977 | 977 | 955 | 955 | -2.65% | 800 | 30億949万 | -4.02% |
| 02/20 | 981 | 981 | 981 | 981 | +3.15% | 200 | 30億9142万 | -1.51% |
| 02/19 | 940 | 951 | 940 | 951 | +1.17% | 800 | 29億9688万 | -4.52% |
| 02/14 | 943 | 943 | 940 | 940 | -0.74% | 1,500 | 29億6222万 | -5.81% |
| 02/13 | 947 | 947 | 947 | 947 | 0% | 200 | 29億8428万 | -5.21% |
| 02/09 | 956 | 956 | 945 | 947 | -0.94% | 400 | 29億8428万 | -5.3% |
| 02/08 | 955 | 960 | 955 | 956 | -0.83% | 300 | 30億1264万 | -4.59% |
| 02/07 | 960 | 964 | 960 | 964 | +3.88% | 1,500 | 30億3785万 | -3.79% |
| 02/06 | 986 | 986 | 912 | 928 | -6.73% | 3,400 | 29億2440万 | -7.29% |
| 02/05 | 1,004 | 1,019 | 995 | 995 | -2.45% | 2,800 | 31億3554万 | -0.7% |
| 02/02 | 1,020 | 1,020 | 1,020 | 1,020 | +0.29% | 1,000 | 32億1432万 | +2% |
| 02/01 | 1,017 | 1,017 | 1,017 | 1,017 | +0.1% | 1,100 | 32億487万 | +2.01% |
| 01/31 | （IR情報）16:00 平成30年3月期第3四半期決算短信〔日本基準〕(連結) |
| 01/31 | 1,030 | 1,030 | 1,016 | 1,016 | -2.03% | 200 | 32億172万 | +2.11% |
| 01/30 | 1,041 | 1,041 | 1,010 | 1,037 | -0.86% | 5,600 | 32億6789万 | +4.54% |
| 01/29 | 1,049 | 1,084 | 1,041 | 1,046 | +0.48% | 12,700 | 32億9625万 | +5.76% |
| 01/26 | 1,039 | 1,041 | 1,030 | 1,041 | 0% | 7,500 | 32億8050万 | +5.58% |
| 01/25 | 1,034 | 1,045 | 1,028 | 1,041 | +0.68% | 4,200 | 32億8050万 | +5.9% |
| 01/24 | 1,023 | 1,035 | 1,023 | 1,034 | +1.08% | 7,800 | 32億5844万 | +5.51% |
| 01/23 | 1,015 | 1,025 | 1,014 | 1,023 | +0.79% | 3,700 | 32億2377万 | +4.71% |
| 01/22 | 1,011 | 1,015 | 1,004 | 1,015 | 0% | 4,200 | 31億9856万 | +4.1% |
| 01/19 | 1,017 | 1,017 | 1,004 | 1,015 | -0.2% | 4,700 | 31億9856万 | +4.32% |
| 01/18 | 1,004 | 1,028 | 1,000 | 1,017 | +1.7% | 10,300 | 32億487万 | +4.74% |
| 01/17 | 999 | 1,008 | 998 | 1,000 | +0.1% | 1,800 | 31億5130万 | +3.2% |
| 01/16 | 998 | 999 | 990 | 999 | +0.4% | 2,700 | 31億4814万 | +3.2% |
| 01/15 | 992 | 995 | 990 | 995 | +1.32% | 3,100 | 31億3554万 | +3% |
| 01/12 | 982 | 983 | 982 | 982 | 0% | 600 | 30億9457万 | +1.76% |
| 01/11 | 981 | 982 | 981 | 982 | +0.1% | 1,600 | 30億9457万 | +1.76% |
