| 2019 |
| 02/22 | 1,248 | 1,263 | 1,217 | 1,236 | -1.67% | 821,300 | 1027億1001万 | +1.56% |
| 02/21 | 1,260 | 1,278 | 1,221 | 1,257 | -0.87% | 1,138,900 | 1044億5508万 | +3.63% |
| 02/20 | 1,230 | 1,282 | 1,230 | 1,268 | +4.36% | 957,400 | 1053億6917万 | +4.88% |
| 02/19 | 1,201 | 1,223 | 1,189 | 1,215 | +0.33% | 541,800 | 1009億6494万 | +0.83% |
| 02/18 | 1,170 | 1,221 | 1,170 | 1,211 | +5.4% | 903,600 | 1006億3254万 | +0.75% |
| 02/15 | 1,164 | 1,176 | 1,147 | 1,149 | -2.05% | 611,700 | 954億8042万 | -4.25% |
| 02/14 | 1,215 | 1,223 | 1,168 | 1,173 | -3.62% | 658,600 | 974億7479万 | -2.17% |
| 02/13 | 1,246 | 1,249 | 1,212 | 1,217 | -1.54% | 716,000 | 1011億3113万 | +1.67% |
| 02/12 | 1,226 | 1,244 | 1,188 | 1,236 | +0.73% | 638,800 | 1027億1001万 | +3.69% |
| 02/08 | 1,300 | 1,305 | 1,211 | 1,227 | -3.92% | 1,072,900 | 1019億6212万 | +3.63% |
| 02/07 | 15:00 2019年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/07 | 15:00 代表取締役等の異動に関するお知らせ |
| 02/07 | 1,295 | 1,300 | 1,264 | 1,277 | -1.69% | 582,300 | 1061億1706万 | +8.59% |
| 02/06 | 1,300 | 1,324 | 1,290 | 1,299 | +1.01% | 1,094,700 | 1079億4523万 | +11.31% |
| 02/05 | 16:00 当社子会社(三井海洋開発株式会社)の2018年12月期通期個別業績に関するお知らせ |
| 02/05 | 1,257 | 1,288 | 1,242 | 1,286 | +3.04% | 867,700 | 1068億6495万 | +11.25% |
| 02/04 | 1,209 | 1,250 | 1,205 | 1,248 | +4.61% | 868,800 | 1037億719万 | +9% |
| 02/01 | 1,219 | 1,226 | 1,174 | 1,193 | -2.45% | 864,900 | 991億3676万 | +5.02% |
| 01/31 | 15:00 固定資産の譲渡に関するお知らせ |
| 01/31 | 1,186 | 1,253 | 1,179 | 1,223 | +5.52% | 1,016,200 | 1016億2973万 | +8.04% |
| 01/30 | 1,193 | 1,203 | 1,156 | 1,159 | -2.61% | 657,700 | 963億1141万 | +2.66% |
| 01/29 | 1,185 | 1,199 | 1,163 | 1,190 | +0.59% | 614,200 | 988億8747万 | +5.5% |
| 01/28 | 1,218 | 1,234 | 1,177 | 1,183 | -2.55% | 900,000 | 983億578万 | +5.06% |
| 01/25 | 1,205 | 1,224 | 1,201 | 1,214 | +0.91% | 522,600 | 1008億8184万 | +7.91% |
| 01/24 | 1,179 | 1,203 | 1,173 | 1,203 | +2.65% | 472,600 | 999億6775万 | +6.93% |
| 01/23 | 1,163 | 1,183 | 1,153 | 1,172 | -0.76% | 605,600 | 973億9169万 | +4.36% |
| 01/22 | 1,222 | 1,222 | 1,175 | 1,181 | -2.32% | 464,900 | 981億3958万 | +5.35% |
| 01/21 | 1,227 | 1,231 | 1,201 | 1,209 | +0.58% | 526,600 | 1004億6634万 | +7.85% |
| 01/18 | 1,152 | 1,206 | 1,151 | 1,202 | +5.81% | 773,100 | 998億8465万 | +7.51% |
| 01/17 | 1,161 | 1,167 | 1,127 | 1,136 | -0.87% | 381,600 | 944億14万 | +1.61% |
| 01/16 | 1,182 | 1,191 | 1,139 | 1,146 | -2.47% | 716,300 | 952億3112万 | +2.23% |
| 01/15 | 1,132 | 1,179 | 1,129 | 1,175 | +2.98% | 708,000 | 976億4099万 | +4.44% |
| 01/11 | 1,167 | 1,169 | 1,126 | 1,141 | -1.21% | 643,100 | 948億1563万 | +1.24% |
| 01/10 | 1,124 | 1,159 | 1,120 | 1,155 | +2.94% | 910,500 | 959億7901万 | +2.12% |
| 01/09 | 1,138 | 1,148 | 1,119 | 1,122 | -0.71% | 547,500 | 932億3676万 | -0.97% |
| 01/08 | 1,097 | 1,141 | 1,089 | 1,130 | +3.96% | 906,500 | 939億155万 | -0.53% |
| 01/07 | 1,075 | 1,100 | 1,068 | 1,087 | +4.02% | 1,333,000 | 903億2830万 | -4.48% |
| 01/04 | 1,000 | 1,053 | 1,000 | 1,045 | +1.46% | 1,006,500 | 868億3815万 | -8.33% |
| 2018 |
| 12/28 | 1,020 | 1,049 | 1,019 | 1,030 | -1.81% | 1,200,100 | 855億9167万 | -9.81% |
| 12/27 | 1,063 | 1,063 | 1,041 | 1,049 | +2.44% | 793,500 | 871億7055万 | -8.46% |
| 12/26 | 1,012 | 1,039 | 999 | 1,024 | +2.4% | 575,000 | 850億9308万 | -10.88% |
| 12/25 | 15:00 会社分割(簡易分割・略式分割)に関するお知らせ |
| 12/25 | 991 | 1,014 | 959 | 1,000 | -3.38% | 648,700 | 830億9871万 | -13.27% |
| 12/21 | 1,064 | 1,072 | 1,024 | 1,035 | -4.87% | 1,086,900 | 860億717万 | -10.47% |
| 12/20 | 1,123 | 1,130 | 1,082 | 1,088 | -4.9% | 1,057,500 | 904億1140万 | -6.04% |
| 12/19 | 1,162 | 1,171 | 1,131 | 1,144 | -0.44% | 1,120,500 | 950億6493万 | -1.38% |
| 12/18 | 1,116 | 1,155 | 1,108 | 1,149 | +1.14% | 801,200 | 954億8042万 | -0.95% |
| 12/17 | 1,152 | 1,177 | 1,136 | 1,136 | -2.32% | 629,600 | 944億14万 | -2.24% |
| 12/14 | 1,192 | 1,201 | 1,154 | 1,163 | -3.24% | 936,100 | 966億4380万 | -0.26% |
| 12/13 | 15:00 (訂正)「2019年3月期第2四半期決算短信〔日本基準〕(連結)」の一部訂正について |
| 12/13 | 1,162 | 1,205 | 1,161 | 1,202 | +3.71% | 880,700 | 998億8465万 | +2.3% |
| 12/12 | 1,136 | 1,179 | 1,133 | 1,159 | +2.66% | 784,600 | 963億1141万 | -1.95% |
| 12/11 | 1,171 | 1,177 | 1,122 | 1,129 | -3.01% | 968,100 | 938億1845万 | -5.29% |
| 12/10 | 1,118 | 1,175 | 1,112 | 1,164 | +1.66% | 1,042,200 | 967億2690万 | -3.24% |
| 12/07 | 1,189 | 1,197 | 1,139 | 1,145 | -3.94% | 1,179,500 | 951億4803万 | -5.68% |
| 12/06 | 1,205 | 1,221 | 1,187 | 1,192 | -2.38% | 881,400 | 990億5367万 | -2.93% |
| 12/05 | 1,200 | 1,231 | 1,200 | 1,221 | -0.57% | 895,000 | 1014億6353万 | -2.79% |
| 12/04 | 1,243 | 1,254 | 1,226 | 1,228 | -1.68% | 1,091,500 | 1020億4522万 | -4.29% |
| 12/03 | 1,240 | 1,259 | 1,210 | 1,249 | +1.46% | 1,273,700 | 1037億9029万 | -4.66% |
| 11/30 | 1,209 | 1,237 | 1,199 | 1,231 | +2.16% | 1,366,200 | 1022億9452万 | -7.86% |
| 11/29 | 1,200 | 1,211 | 1,188 | 1,205 | +1.6% | 917,100 | 1001億3395万 | -11.72% |
| 11/28 | 1,175 | 1,187 | 1,152 | 1,186 | +0.34% | 1,196,700 | 985億5507万 | -14.98% |
| 11/27 | 1,157 | 1,193 | 1,136 | 1,182 | +2.87% | 1,905,900 | 982億2268万 | -17.28% |
| 11/26 | 1,119 | 1,155 | 1,112 | 1,149 | +4.45% | 1,346,100 | 954億8042万 | -21.46% |
| 11/22 | 1,124 | 1,128 | 1,094 | 1,100 | -1.96% | 934,500 | 914億858万 | -26.67% |
| 11/21 | 1,117 | 1,125 | 1,090 | 1,122 | -0.97% | 1,485,300 | 932億3676万 | -27.1% |
| 11/20 | 1,092 | 1,143 | 1,088 | 1,133 | +2.63% | 1,761,500 | 941億5084万 | -28.2% |
| 11/19 | 1,069 | 1,106 | 1,060 | 1,104 | +2.6% | 1,451,200 | 917億4098万 | -31.73% |
| 11/16 | 1,102 | 1,114 | 1,075 | 1,076 | -2.62% | 1,056,200 | 894億1421万 | -35.02% |
| 11/15 | 1,127 | 1,134 | 1,098 | 1,105 | -1.6% | 1,142,900 | 918億2408万 | -34.85% |
| 11/14 | 1,140 | 1,142 | 1,119 | 1,123 | -2.77% | 1,526,600 | 933億1985万 | -35.24% |
| 11/13 | 1,175 | 1,188 | 1,127 | 1,155 | -2.04% | 1,889,900 | 959億7901万 | -34.86% |
| 11/12 | 1,248 | 1,249 | 1,151 | 1,179 | -6.43% | 3,406,000 | 979億7338万 | -34.9% |
| 11/09 | 1,361 | 1,371 | 1,253 | 1,260 | -8.96% | 3,481,700 | 1047億438万 | -31.93% |
| 11/08 | 15:00 2019年3月期第2四半期決算短信〔日本基準〕(連結) |
| 11/08 | 1,381 | 1,393 | 1,355 | 1,384 | +0.36% | 1,387,100 | 1150億862万 | -26.66% |
| 11/07 | 1,396 | 1,396 | 1,357 | 1,379 | -0.93% | 1,353,500 | 1145億9313万 | -28.06% |
| 11/06 | 1,401 | 1,403 | 1,371 | 1,392 | -1.63% | 1,884,200 | 1156億7341万 | -28.43% |
| 11/05 | 1,419 | 1,438 | 1,390 | 1,415 | -1.12% | 1,862,200 | 1175億8468万 | -28.21% |
| 11/02 | 1,500 | 1,502 | 1,385 | 1,431 | -4.6% | 3,638,400 | 1189億1426万 | -28.31% |
| 11/01 | 1,500 | 1,574 | 1,500 | 1,500 | -21.05% | 5,708,000 | 1246億4807万 | -25.74% |
| 10/31 | 15:00 連結決算及び個別決算における損失の計上、繰延税金資産の取崩し、並びに業績予想及び配当予想の修正(無配)に関するお知らせ |
| 10/31 | 1,910 | 1,922 | 1,889 | 1,900 | +0.05% | 777,800 | 1578億8756万 | -6.95% |
| 10/30 | 1,880 | 1,919 | 1,874 | 1,899 | +0.53% | 633,600 | 1578億446万 | -7.32% |
| 10/29 | 1,934 | 1,949 | 1,889 | 1,889 | -1.1% | 1,090,200 | 1569億7347万 | -8.08% |
| 10/26 | 1,937 | 1,940 | 1,871 | 1,910 | -1.34% | 981,200 | 1587億1854万 | -7.28% |
| 10/25 | 1,912 | 1,960 | 1,896 | 1,936 | -1.97% | 1,118,700 | 1608億7911万 | -6.25% |
| 10/24 | 2,032 | 2,038 | 1,968 | 1,975 | -2.18% | 1,231,000 | 1641億1996万 | -4.4% |
| 10/23 | 2,020 | 2,027 | 1,979 | 2,019 | -1.32% | 949,100 | 1677億7630万 | -2.13% |
| 10/22 | 2,048 | 2,056 | 2,028 | 2,046 | -0.68% | 526,000 | 1700億1997万 | -0.53% |
| 10/19 | 2,058 | 2,070 | 2,043 | 2,060 | -1.58% | 761,100 | 1711億8335万 | +0.59% |
| 10/18 | 2,089 | 2,116 | 2,065 | 2,093 | 0% | 687,000 | 1739億2561万 | +2.65% |
| 10/17 | 2,130 | 2,142 | 2,085 | 2,093 | -0.9% | 1,305,700 | 1739億2561万 | +3.21% |
| 10/16 | 2,075 | 2,120 | 2,064 | 2,112 | +2.18% | 1,010,600 | 1755億449万 | +4.71% |
| 10/15 | 2,068 | 2,086 | 2,041 | 2,067 | -0.34% | 610,400 | 1717億6504万 | +3.14% |
| 10/12 | 2,023 | 2,082 | 2,017 | 2,074 | +0.53% | 1,104,400 | 1723億4673万 | +4.17% |
| 10/11 | 2,024 | 2,072 | 2,011 | 2,063 | -1.72% | 1,528,500 | 1714億3265万 | +4.14% |
| 10/10 | 2,120 | 2,138 | 2,093 | 2,099 | -0.14% | 1,014,800 | 1744億2420万 | +6.55% |
| 10/09 | 2,138 | 2,141 | 2,095 | 2,102 | -2.91% | 1,376,400 | 1746億7350万 | +7.52% |
| 10/05 | 2,155 | 2,188 | 2,148 | 2,165 | -0.82% | 871,900 | 1799億872万 | +11.48% |
| 10/04 | 2,130 | 2,198 | 2,130 | 2,183 | +3.31% | 1,747,900 | 1814億449万 | +13.34% |
| 10/03 | 2,079 | 2,124 | 2,073 | 2,113 | +1.29% | 1,408,100 | 1755億8758万 | +10.63% |
| 10/02 | 2,062 | 2,103 | 2,062 | 2,086 | +1.61% | 1,751,000 | 1733億4392万 | +10.02% |
| 10/01 | 2,038 | 2,059 | 2,015 | 2,053 | +0.64% | 694,500 | 1706億166万 | +9.09% |
| 09/28 | 2,032 | 2,069 | 2,008 | 2,040 | +0.84% | 1,039,500 | 1695億2138万 | +9.09% |
| 09/27 | 2,045 | 2,064 | 2,019 | 2,023 | -1.8% | 1,143,600 | 1681億870万 | +8.82% |
| 09/26 | 2,034 | 2,065 | 2,027 | 2,060 | -0.1% | 902,400 | 1711億8335万 | +11.53% |
| 09/25 | 2,046 | 2,069 | 2,020 | 2,062 | +1.08% | 1,108,900 | 1713億4955万 | +12.49% |
