| 2018 |
| 02/28 | 1,957 | 1,967 | 1,932 | 1,941 | -0.72% | 595,200 | 1612億9460万 | +0.05% |
| 02/27 | 1,962 | 1,990 | 1,949 | 1,955 | +0.26% | 490,200 | 1624億5799万 | +0.62% |
| 02/26 | 15:00 固定資産の譲渡に関するお知らせ |
| 02/26 | 1,960 | 1,962 | 1,936 | 1,950 | +0.15% | 365,300 | 1620億4249万 | +0.26% |
| 02/23 | 1,955 | 1,985 | 1,947 | 1,947 | -0.46% | 719,800 | 1617億9320万 | -0.05% |
| 02/22 | 1,984 | 1,985 | 1,952 | 1,956 | -1.41% | 635,600 | 1625億4109万 | +0.36% |
| 02/21 | 1,990 | 2,010 | 1,978 | 1,984 | +0.2% | 485,900 | 1648億6785万 | +1.69% |
| 02/20 | 1,998 | 2,009 | 1,976 | 1,980 | -1.3% | 717,100 | 1645億3545万 | +1.43% |
| 02/19 | 1,959 | 2,013 | 1,959 | 2,006 | +3.19% | 877,300 | 1666億9602万 | +2.66% |
| 02/16 | 1,960 | 1,983 | 1,931 | 1,944 | +0.57% | 780,700 | 1615億4390万 | -0.61% |
| 02/15 | 1,930 | 1,968 | 1,921 | 1,933 | +2.11% | 1,310,000 | 1606億2981万 | -1.38% |
| 02/14 | 1,887 | 1,938 | 1,882 | 1,893 | +0.42% | 1,043,100 | 1573億587万 | -3.62% |
| 02/13 | 1,923 | 1,932 | 1,880 | 1,885 | +0.27% | 1,009,200 | 1566億4108万 | -4.12% |
| 02/09 | 1,838 | 1,886 | 1,830 | 1,880 | -0.53% | 1,318,100 | 1562億2558万 | -4.23% |
| 02/08 | 1,836 | 1,924 | 1,836 | 1,890 | +3.96% | 1,919,300 | 1570億5657万 | -3.47% |
| 02/07 | 1,683 | 1,847 | 1,661 | 1,818 | -1.36% | 2,700,800 | 1510億7346万 | -6.77% |
| 02/06 | 16:45 当社子会社(三井海洋開発株式会社)の平成29年12月期通期個別業績に関するお知らせ |
| 02/06 | 16:45 業績予想の修正に関するお知らせ |
| 02/06 | 16:45 平成30年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/06 | 1,820 | 1,853 | 1,791 | 1,843 | -4.11% | 1,482,400 | 1531億5093万 | -5.24% |
| 02/05 | 1,905 | 1,933 | 1,895 | 1,922 | -0.98% | 847,700 | 1597億1573万 | -0.83% |
| 02/02 | 1,949 | 1,956 | 1,924 | 1,941 | -0.67% | 596,100 | 1612億9460万 | +0.73% |
| 02/01 | 1,948 | 1,982 | 1,942 | 1,954 | +0.88% | 723,200 | 1623億7489万 | +1.98% |
| 01/31 | 1,950 | 1,977 | 1,935 | 1,937 | -1.73% | 929,700 | 1609億6221万 | +1.68% |
| 01/30 | 2,000 | 2,006 | 1,955 | 1,971 | -1.6% | 700,200 | 1637億8757万 | +4.07% |
| 01/29 | 1,987 | 2,009 | 1,976 | 2,003 | +0.1% | 453,200 | 1664億4673万 | +6.49% |
| 01/26 | 1,990 | 2,023 | 1,979 | 2,001 | +1.47% | 1,138,400 | 1662億8053万 | +7.18% |
| 01/25 | 1,960 | 1,979 | 1,949 | 1,972 | -1% | 845,200 | 1638億7066万 | +6.48% |
| 01/24 | 2,008 | 2,020 | 1,980 | 1,992 | -1.29% | 1,003,700 | 1655億3264万 | +8.38% |
| 01/23 | 2,007 | 2,028 | 1,996 | 2,018 | +0.5% | 695,600 | 1676億9321万 | +10.7% |
| 01/22 | 2,009 | 2,021 | 1,995 | 2,008 | -0.1% | 542,500 | 1668億6222万 | +11.06% |
| 01/19 | 2,000 | 2,016 | 1,990 | 2,010 | +1.11% | 522,300 | 1670億2842万 | +12.04% |
| 01/18 | 2,035 | 2,054 | 1,982 | 1,988 | -0.35% | 1,065,000 | 1652億24万 | +11.75% |
| 01/17 | 1,985 | 2,007 | 1,971 | 1,995 | -0.84% | 946,400 | 1657億8194万 | +13.03% |
| 01/16 | 2,019 | 2,023 | 1,993 | 2,012 | -1.18% | 869,200 | 1671億9461万 | +14.97% |
| 01/15 | 2,067 | 2,075 | 2,031 | 2,036 | -0.78% | 719,100 | 1691億8898万 | +17.42% |
| 01/12 | 2,052 | 2,074 | 2,039 | 2,052 | +0.39% | 1,550,800 | 1705億1856万 | +19.44% |
| 01/11 | 2,010 | 2,095 | 2,008 | 2,044 | +0.39% | 2,189,800 | 1698億5377万 | +20.24% |
| 01/10 | 1,949 | 2,054 | 1,948 | 2,036 | +4.46% | 3,134,900 | 1691億8898万 | +20.97% |
| 01/09 | 1,870 | 2,005 | 1,864 | 1,949 | +7.98% | 3,865,100 | 1619億5939万 | +16.92% |
| 01/05 | 1,768 | 1,811 | 1,767 | 1,805 | +2.62% | 1,028,200 | 1499億9318万 | +9.13% |
| 01/04 | 1,711 | 1,762 | 1,711 | 1,759 | +4.21% | 1,065,100 | 1461億7064万 | +6.93% |
| 2017 |
| 12/29 | 1,687 | 1,700 | 1,678 | 1,688 | +0.06% | 384,400 | 1402億7063万 | +3.05% |
| 12/28 | 1,677 | 1,707 | 1,662 | 1,687 | +1.44% | 651,500 | 1401億8753万 | +3.18% |
| 12/27 | 1,655 | 1,674 | 1,649 | 1,663 | +0.67% | 416,700 | 1381億9316万 | +1.84% |
| 12/26 | 1,658 | 1,663 | 1,648 | 1,652 | -0.36% | 371,800 | 1372億7908万 | +1.23% |
| 12/25 | 1,680 | 1,684 | 1,653 | 1,658 | -1.72% | 416,500 | 1377億7767万 | +1.66% |
| 12/22 | 1,661 | 1,693 | 1,661 | 1,687 | +1.57% | 710,400 | 1401億8753万 | +3.56% |
| 12/21 | 1,649 | 1,673 | 1,635 | 1,661 | +0.67% | 537,400 | 1380億2696万 | +2.15% |
| 12/20 | 1,640 | 1,659 | 1,632 | 1,650 | +0.3% | 818,400 | 1371億1288万 | +1.6% |
| 12/19 | 1,648 | 1,657 | 1,640 | 1,645 | +0.24% | 424,800 | 1366億9738万 | +1.29% |
| 12/18 | 1,628 | 1,646 | 1,626 | 1,641 | +1.42% | 619,000 | 1363億6499万 | +0.98% |
| 12/15 | 1,611 | 1,629 | 1,611 | 1,618 | -0.06% | 615,800 | 1344億5372万 | -0.55% |
| 12/14 | 1,637 | 1,646 | 1,614 | 1,619 | -1.4% | 518,500 | 1345億3682万 | -0.67% |
| 12/13 | 1,660 | 1,663 | 1,640 | 1,642 | -0.85% | 399,100 | 1364億4809万 | +0.61% |
| 12/12 | 1,643 | 1,666 | 1,643 | 1,656 | +0.79% | 499,700 | 1376億1147万 | +1.53% |
| 12/11 | 1,629 | 1,656 | 1,627 | 1,643 | +0.37% | 622,400 | 1365億3119万 | +1.05% |
| 12/08 | 1,613 | 1,649 | 1,610 | 1,637 | +1.99% | 982,500 | 1360億3259万 | +0.92% |
| 12/07 | 1,619 | 1,626 | 1,605 | 1,605 | -1.29% | 775,700 | 1333億7344万 | -0.8% |
| 12/06 | 1,624 | 1,634 | 1,609 | 1,626 | +0.12% | 1,001,600 | 1351億1851万 | +0.81% |
| 12/05 | 1,620 | 1,629 | 1,612 | 1,624 | +0.43% | 718,200 | 1349億5231万 | +1.06% |
| 12/04 | 1,616 | 1,624 | 1,612 | 1,617 | 0% | 539,500 | 1343億7062万 | +0.94% |
| 12/01 | 1,645 | 1,649 | 1,606 | 1,617 | -0.61% | 682,200 | 1343億7062万 | +1.38% |
| 11/30 | 1,620 | 1,646 | 1,618 | 1,627 | +0.93% | 613,400 | 1352億161万 | +2.39% |
| 11/29 | 1,600 | 1,618 | 1,593 | 1,612 | +1.51% | 751,400 | 1339億5513万 | +1.9% |
| 11/28 | 1,592 | 1,600 | 1,578 | 1,588 | -0.44% | 579,600 | 1319億6076万 | +0.76% |
| 11/27 | 1,606 | 1,609 | 1,588 | 1,595 | -0.81% | 551,900 | 1325億4245万 | +1.59% |
| 11/24 | 1,627 | 1,634 | 1,602 | 1,608 | -1.89% | 846,600 | 1336億2273万 | +2.81% |
| 11/22 | 1,649 | 1,650 | 1,628 | 1,639 | +0.61% | 817,200 | 1361億9879万 | +5.2% |
| 11/21 | 1,630 | 1,658 | 1,625 | 1,629 | +0.62% | 683,500 | 1353億6780万 | +4.96% |
| 11/20 | 1,621 | 1,632 | 1,616 | 1,619 | 0% | 751,000 | 1345億3682万 | +4.72% |
| 11/17 | 1,650 | 1,650 | 1,613 | 1,619 | +0.12% | 1,072,500 | 1345億3682万 | +5.13% |
| 11/16 | 1,611 | 1,626 | 1,603 | 1,617 | +0.06% | 843,600 | 1343億7062万 | +5.34% |
| 11/15 | 1,624 | 1,628 | 1,602 | 1,616 | -2.12% | 1,223,500 | 1342億8752万 | +5.69% |
| 11/14 | 1,649 | 1,674 | 1,646 | 1,651 | -1.14% | 1,172,500 | 1371億9598万 | +8.4% |
| 11/13 | 1,687 | 1,687 | 1,667 | 1,670 | -1.12% | 939,800 | 1387億7485万 | +10.16% |
| 11/10 | 1,661 | 1,701 | 1,660 | 1,689 | +0.48% | 1,472,500 | 1403億5373万 | +12% |
| 11/09 | 1,676 | 1,710 | 1,655 | 1,681 | +0.9% | 2,111,900 | 1396億8894万 | +12.07% |
| 11/08 | 1,601 | 1,669 | 1,600 | 1,666 | +3.35% | 2,223,000 | 1384億4246万 | +11.66% |
| 11/07 | 1,541 | 1,614 | 1,537 | 1,612 | +4.74% | 1,572,300 | 1339億5513万 | +8.63% |
| 11/06 | 1,541 | 1,548 | 1,530 | 1,539 | -0.26% | 922,800 | 1278億8892万 | +4.13% |
| 11/02 | 1,550 | 1,556 | 1,530 | 1,543 | -0.45% | 1,034,700 | 1282億2132万 | +4.54% |
| 11/01 | 1,493 | 1,554 | 1,490 | 1,550 | +5.08% | 2,388,200 | 1288億301万 | +5.23% |
| 10/31 | 15:00 平成30年3月期第2四半期業績予想と実績値との差異に関するお知らせ |
| 10/31 | 15:00 平成30年3月期第2四半期決算短信〔日本基準〕(連結) |
| 10/31 | 15:00 株式併合による1株に満たない端数の処理に伴う自己株式の買取りに関するお知らせ |
| 10/31 | 1,473 | 1,478 | 1,466 | 1,475 | -0.27% | 529,800 | 1225億7060万 | +0.41% |
| 10/30 | 1,486 | 1,493 | 1,474 | 1,479 | -0.07% | 615,400 | 1229億300万 | +0.75% |
| 10/27 | 1,460 | 1,483 | 1,460 | 1,480 | +1.79% | 836,600 | 1229億8610万 | +0.95% |
| 10/26 | 1,465 | 1,474 | 1,452 | 1,454 | -1.09% | 738,900 | 1208億2553万 | -0.75% |
| 10/25 | 1,469 | 1,483 | 1,466 | 1,470 | +0.89% | 1,024,700 | 1221億5511万 | +0.48% |
| 10/24 | 1,448 | 1,457 | 1,447 | 1,457 | +0.34% | 776,400 | 1210億7483万 | -0.27% |
| 10/23 | 1,448 | 1,459 | 1,443 | 1,452 | +1.33% | 809,700 | 1206億5933万 | -0.41% |
| 10/20 | 1,440 | 1,440 | 1,426 | 1,433 | -0.56% | 689,400 | 1190億8046万 | -1.51% |
| 10/19 | 1,478 | 1,478 | 1,436 | 1,441 | -1.91% | 1,778,700 | 1197億4525万 | -0.89% |
| 10/18 | 1,475 | 1,478 | 1,463 | 1,469 | -0.54% | 799,800 | 1220億7201万 | +1.24% |
| 10/17 | 1,502 | 1,511 | 1,475 | 1,477 | -1.07% | 895,400 | 1227億3680万 | +2.14% |
| 10/16 | 1,479 | 1,497 | 1,475 | 1,493 | +1.15% | 645,500 | 1240億6638万 | +3.61% |
| 10/13 | 1,481 | 1,483 | 1,468 | 1,476 | -0.14% | 585,800 | 1226億5370万 | +2.79% |
| 10/12 | 1,472 | 1,482 | 1,472 | 1,478 | +0.61% | 511,700 | 1228億1990万 | +3.28% |
| 10/11 | 1,462 | 1,471 | 1,457 | 1,469 | -0.41% | 673,500 | 1220億7201万 | +2.94% |
| 10/10 | 1,481 | 1,483 | 1,467 | 1,475 | -0.41% | 495,500 | 1225億7060万 | +3.65% |
| 10/06 | 1,469 | 1,486 | 1,469 | 1,481 | +0.82% | 605,300 | 1230億6919万 | +4.37% |
| 10/05 | 1,481 | 1,481 | 1,462 | 1,469 | -1.01% | 574,000 | 1220億7201万 | +3.82% |
| 10/04 | 1,487 | 1,495 | 1,481 | 1,484 | +0.27% | 627,500 | 1233億1849万 | +5.25% |
| 10/03 | 1,472 | 1,484 | 1,466 | 1,480 | +0.89% | 672,900 | 1229億8610万 | +5.26% |
| 10/02 | 1,475 | 1,477 | 1,461 | 1,467 | -0.14% | 478,200 | 1219億581万 | +4.71% |
| 09/28 | 15:00 子会社の商号変更及び増資等に関するお知らせ |
