| 2018 |
| 07/20 | 31 | 32 | 23 | 24 | -31.43% | 4,107,400 | 4億3200万 | -94.09% |
| 07/19 | 41 | 41 | 34 | 35 | -12.5% | 1,965,100 | 6億3000万 | -92.42% |
| 07/18 | 40 | 49 | 37 | 40 | +11.11% | 5,201,600 | 7億2000万 | -92.23% |
| 07/17 | 36 | 43 | 35 | 36 | -33.33% | 4,418,900 | 6億4800万 | -93.66% |
| 07/13 | 58 | 61 | 53 | 54 | -8.47% | 2,382,500 | 9億7200万 | -91.3% |
| 07/12 | 66 | 72 | 58 | 59 | -3.28% | 3,394,800 | 10億6200万 | -91.35% |
| 07/11 | 59 | 74 | 58 | 61 | +12.96% | 8,439,900 | 10億9800万 | -91.86% |
| 07/10 | 57 | 67 | 52 | 54 | -10% | 4,111,500 | 9億7200万 | -93.38% |
| 07/09 | 71 | 71 | 58 | 60 | -16.67% | 2,470,000 | 10億8000万 | -93.2% |
| 07/06 | （IR情報）15:00 支配株主等に関する事項について |
| 07/06 | 80 | 88 | 69 | 72 | -8.86% | 3,100,300 | 12億9600万 | -92.44% |
| 07/05 | 95 | 108 | 68 | 79 | -27.52% | 5,894,500 | 14億2200万 | -92.25% |
| 07/04 | 129 | 136 | 99 | 109 | -8.4% | 10,241,100 | 19億6200万 | -89.96% |
| 07/03 | 119 | 119 | 119 | 119 | +33.71% | 190,000 | 21億4200万 | -89.66% |
| 07/02 | （IR情報）17:00 内部統制報告書の評価結果不表明、内部統制監査報告書及び監査報告書における意見不表明に関するお知らせ |
| 07/02 | （IR情報）9:25 2018年7月1日付の日本経済新聞報道について |
| 07/02 | 74 | 89 | 71 | 89 | +50.85% | 4,533,200 | 16億200万 | -92.69% |
| 06/29 | 73 | 78 | 59 | 59 | -14.49% | 4,011,700 | 10億6200万 | -95.42% |
| 06/28 | 74 | 93 | 69 | 69 | -6.76% | 6,433,100 | 12億4200万 | -94.92% |
| 06/27 | 67 | 87 | 63 | 74 | -3.9% | 8,492,900 | 13億3200万 | -94.83% |
| 06/26 | （IR情報）17:00 第50回定時株主総会付議議案の一部変更および取下げに関するお知らせ |
| 06/26 | 79 | 87 | 59 | 77 | -92.13% | 10,546,900 | 13億8600万 | -94.88% |
| 06/25 | 979 | 979 | 979 | 979 | -23.46% | 218,700 | 176億2200万 | -37.96% |
| 06/22 | （IR情報）17:20 事業再生室の設置等及び幹部社員の人事異動に関するお知らせ |
| 06/22 | （IR情報）16:15 会社更生手続開始の申立て等に関するお知らせ |
| 06/22 | 1,301 | 1,302 | 1,255 | 1,279 | -2.29% | 132,300 | 230億2200万 | -20.9% |
| 06/21 | 1,330 | 1,348 | 1,306 | 1,309 | -1.36% | 71,200 | 235億6200万 | -20.47% |
| 06/20 | 1,330 | 1,333 | 1,306 | 1,327 | -0.23% | 73,300 | 238億8600万 | -20.59% |
| 06/19 | 1,359 | 1,393 | 1,324 | 1,330 | -1.85% | 89,700 | 239億4000万 | -21.39% |
| 06/18 | 1,384 | 1,384 | 1,314 | 1,355 | -2.94% | 157,000 | 243億9000万 | -21.08% |
| 06/15 | 1,419 | 1,424 | 1,385 | 1,396 | -2.1% | 122,600 | 251億2800万 | -19.68% |
| 06/14 | 1,358 | 1,456 | 1,356 | 1,426 | +4.09% | 280,800 | 256億6800万 | -18.93% |
| 06/13 | 1,355 | 1,432 | 1,351 | 1,370 | +0.29% | 211,900 | 246億6000万 | -22.99% |
| 06/12 | 1,345 | 1,366 | 1,290 | 1,366 | +0.07% | 451,100 | 245億8800万 | -24.15% |
| 06/11 | 1,427 | 1,470 | 1,310 | 1,365 | -12.89% | 910,500 | 245億7000万 | -25.12% |
| 06/08 | 1,710 | 1,732 | 1,559 | 1,567 | -9.94% | 479,800 | 282億600万 | -15.07% |
| 06/07 | （IR情報）17:30 代表取締役および役員の異動ならびに組織変更に関するお知らせ |
| 06/07 | （IR情報）17:30 「平成30年3月期決算短信〔日本基準〕(連結)」の一部変更について |
| 06/07 | 1,722 | 1,749 | 1,717 | 1,740 | +1.28% | 40,700 | 313億2000万 | -6.35% |
| 06/06 | 1,727 | 1,754 | 1,711 | 1,718 | -1.72% | 63,000 | 309億2400万 | -7.83% |
| 06/05 | 1,777 | 1,777 | 1,733 | 1,748 | -1.91% | 36,800 | 314億6400万 | -6.62% |
| 06/04 | 1,762 | 1,791 | 1,727 | 1,782 | +1.25% | 72,900 | 320億7600万 | -5.61% |
| 06/01 | 1,734 | 1,776 | 1,712 | 1,760 | +0.69% | 74,500 | 316億8000万 | -7.61% |
| 05/31 | 1,764 | 1,772 | 1,733 | 1,748 | +1.75% | 91,600 | 314億6400万 | -9.1% |
| 05/30 | 1,739 | 1,760 | 1,707 | 1,718 | -3.16% | 95,300 | 309億2400万 | -11.4% |
| 05/29 | 1,838 | 1,850 | 1,771 | 1,774 | -3.43% | 144,600 | 319億3200万 | -9.44% |
| 05/28 | 1,854 | 1,859 | 1,821 | 1,837 | -1.82% | 138,200 | 330億6600万 | -7.03% |
| 05/25 | 1,864 | 1,878 | 1,851 | 1,871 | -0.8% | 64,800 | 336億7800万 | -5.98% |
| 05/24 | 1,865 | 1,887 | 1,850 | 1,886 | +1.07% | 104,600 | 339億4800万 | -5.61% |
| 05/23 | 1,910 | 1,922 | 1,860 | 1,866 | -2.96% | 241,900 | 335億8800万 | -6.89% |
| 05/22 | 1,960 | 1,965 | 1,920 | 1,923 | -1.94% | 55,900 | 346億1400万 | -4.52% |
| 05/21 | 1,981 | 2,018 | 1,953 | 1,961 | -2.49% | 112,400 | 352億9800万 | -3.21% |
| 05/18 | 1,950 | 2,018 | 1,948 | 2,011 | +4.63% | 162,700 | 361億9800万 | -1.03% |
| 05/17 | 1,863 | 1,927 | 1,863 | 1,922 | +3.22% | 90,400 | 345億9600万 | -5.32% |
| 05/16 | 1,931 | 1,931 | 1,860 | 1,862 | -4.07% | 162,600 | 335億1600万 | -8.32% |
| 05/15 | 1,905 | 1,947 | 1,884 | 1,941 | +1.94% | 91,600 | 349億3800万 | -4.62% |
| 05/14 | 1,906 | 1,921 | 1,894 | 1,904 | 0% | 52,900 | 342億7200万 | -6.48% |
| 05/11 | 1,913 | 1,934 | 1,895 | 1,904 | -1.04% | 83,100 | 342億7200万 | -6.58% |
| 05/10 | 1,905 | 1,962 | 1,886 | 1,924 | +0.21% | 120,300 | 346億3200万 | -5.69% |
| 05/09 | （IR情報）17:00 2018年3月期決算説明資料 |
| 05/09 | （IR情報）17:00 平成30年3月期決算短信〔日本基準〕(連結) |
| 05/09 | 1,932 | 1,966 | 1,913 | 1,920 | -0.52% | 79,300 | 345億6000万 | -6.02% |
| 05/08 | 1,926 | 1,951 | 1,909 | 1,930 | +0.68% | 72,300 | 347億4000万 | -5.67% |
| 05/07 | 1,893 | 1,940 | 1,892 | 1,917 | +1.43% | 96,900 | 345億600万 | -6.4% |
| 05/02 | 1,886 | 1,890 | 1,847 | 1,890 | -0.16% | 129,000 | 340億2000万 | -7.85% |
| 05/01 | 1,900 | 1,919 | 1,871 | 1,893 | -0.84% | 159,900 | 340億7400万 | -7.93% |
| 04/27 | 1,871 | 2,070 | 1,871 | 1,909 | -11.25% | 445,400 | 343億6200万 | -7.33% |
| 04/26 | （IR情報）17:00 特別損失等の計上及び通期連結業績予想の修正並びに役員報酬の追加減額に関するお知らせ |
| 04/26 | 2,215 | 2,232 | 2,118 | 2,151 | -2.23% | 100,600 | 387億1800万 | +4.32% |
| 04/25 | 2,197 | 2,208 | 2,180 | 2,200 | -0.45% | 52,600 | 396億 | +6.85% |
| 04/24 | 2,180 | 2,224 | 2,180 | 2,210 | +2.5% | 58,600 | 397億8000万 | +7.7% |
| 04/23 | 2,243 | 2,251 | 2,153 | 2,156 | -2.44% | 70,300 | 388億800万 | +5.43% |
| 04/20 | 2,212 | 2,257 | 2,189 | 2,210 | -0.09% | 121,100 | 397億8000万 | +8.23% |
| 04/19 | 2,225 | 2,229 | 2,186 | 2,212 | +1.7% | 91,300 | 398億1600万 | +8.64% |
| 04/18 | 2,089 | 2,206 | 2,088 | 2,175 | +5.02% | 188,900 | 391億5000万 | +7.09% |
| 04/17 | 2,018 | 2,079 | 2,010 | 2,071 | +1.32% | 72,700 | 372億7800万 | +2.12% |
| 04/16 | 2,090 | 2,090 | 2,013 | 2,044 | -2.85% | 94,600 | 367億9200万 | +0.64% |
| 04/13 | 2,210 | 2,210 | 2,100 | 2,104 | -5.27% | 206,200 | 378億7200万 | +3.54% |
| 04/12 | 2,152 | 2,225 | 2,114 | 2,221 | +5.26% | 303,300 | 399億7800万 | +9.3% |
| 04/11 | 2,251 | 2,270 | 2,063 | 2,110 | +7.6% | 521,400 | 379億8000万 | +4.15% |
| 04/10 | 1,950 | 1,973 | 1,936 | 1,961 | +0.1% | 45,800 | 352億9800万 | -3.21% |
| 04/09 | 1,961 | 1,974 | 1,936 | 1,959 | -0.1% | 47,700 | 352億6200万 | -3.5% |
| 04/06 | 1,960 | 1,977 | 1,954 | 1,961 | -0.1% | 37,300 | 352億9800万 | -3.68% |
| 04/05 | 1,969 | 1,978 | 1,941 | 1,963 | +0.41% | 54,100 | 353億3400万 | -3.87% |
| 04/04 | 1,969 | 1,986 | 1,943 | 1,955 | +0.05% | 47,400 | 351億9000万 | -4.54% |
| 04/03 | 1,955 | 1,967 | 1,939 | 1,954 | -1.81% | 74,100 | 351億7200万 | -5.05% |
| 04/02 | 2,018 | 2,033 | 1,985 | 1,990 | -0.95% | 40,900 | 358億2000万 | -3.68% |
| 03/30 | （IR情報）16:30 当社一部事業の停止に関するお知らせ |
| 03/30 | 1,982 | 2,021 | 1,982 | 2,009 | +1.88% | 47,000 | 361億6200万 | -3.09% |
| 03/29 | 1,986 | 2,011 | 1,951 | 1,972 | -1.1% | 60,800 | 354億9600万 | -5.19% |
| 03/28 | 2,009 | 2,022 | 1,971 | 1,994 | -1.48% | 88,100 | 358億9200万 | -4.73% |
| 03/27 | 1,986 | 2,035 | 1,969 | 2,024 | +1.91% | 93,700 | 364億3200万 | -3.62% |
| 03/26 | 1,954 | 1,987 | 1,927 | 1,986 | +1.12% | 81,200 | 357億4800万 | -5.74% |
| 03/23 | 2,011 | 2,026 | 1,950 | 1,964 | -4.84% | 210,500 | 353億5200万 | -7.01% |
| 03/22 | 2,048 | 2,094 | 2,046 | 2,064 | +1.28% | 88,300 | 371億5200万 | -2.6% |
| 03/20 | 2,022 | 2,042 | 2,009 | 2,038 | +0.34% | 81,100 | 366億8400万 | -3.91% |
| 03/19 | 2,067 | 2,075 | 2,028 | 2,031 | -1.74% | 71,900 | 365億5800万 | -4.47% |
| 03/16 | 2,060 | 2,072 | 2,040 | 2,067 | +0.24% | 98,900 | 372億600万 | -3.23% |
| 03/15 | 2,088 | 2,088 | 2,043 | 2,062 | -1.58% | 118,300 | 371億1600万 | -3.91% |
| 03/14 | 2,080 | 2,110 | 2,075 | 2,095 | -0.48% | 71,300 | 377億1000万 | -3.72% |
| 03/13 | 2,101 | 2,111 | 2,067 | 2,105 | -1.73% | 118,200 | 378億9000万 | -4.58% |
| 03/12 | 2,102 | 2,190 | 2,094 | 2,142 | +3.33% | 154,600 | 385億5600万 | -4.55% |
| 03/09 | 2,115 | 2,134 | 2,073 | 2,073 | -1.19% | 57,100 | 373億1400万 | -9.24% |
| 03/08 | 2,054 | 2,101 | 2,054 | 2,098 | +1.5% | 62,000 | 377億6400万 | -9.92% |
| 03/07 | 2,100 | 2,107 | 2,035 | 2,067 | -2.08% | 106,400 | 372億600万 | -12.9% |
| 03/06 | 2,100 | 2,140 | 2,085 | 2,111 | +2.28% | 92,300 | 379億9800万 | -12.77% |
| 03/05 | 2,100 | 2,121 | 2,052 | 2,064 | -2.13% | 111,900 | 371億5200万 | -16.44% |
| 03/02 | 2,081 | 2,135 | 2,071 | 2,109 | +0.29% | 111,800 | 379億6200万 | -16.38% |
| 03/01 | 2,110 | 2,119 | 2,083 | 2,103 | -1.36% | 127,000 | 378億5400万 | -18.33% |
| 02/28 | （IR情報）16:00 「ちきゅう」による工事受注のお知らせ |
| 02/28 | 2,160 | 2,172 | 2,113 | 2,132 | -2.51% | 164,800 | 383億7600万 | -18.69% |
| 02/27 | 2,158 | 2,281 | 2,158 | 2,187 | +1.34% | 244,000 | 393億6600万 | -17.94% |
| 02/26 | 2,184 | 2,200 | 2,158 | 2,158 | -0.78% | 112,000 | 388億4400万 | -20.22% |
