| 2026 |
| 03/06 | 7,695 | 7,837 | 7,616 | 7,816 | +0.42% | 1,197,200 | 2兆9004億 | +4.23% |
| 03/05 | 7,900 | 7,967 | 7,777 | 7,783 | +1.29% | 1,487,000 | 2兆8882億 | +4.44% |
| 03/04 | 7,500 | 7,684 | 7,436 | 7,684 | -2.25% | 1,997,500 | 2兆8514億 | +3.78% |
| 03/03 | (IR情報)14:00 自己株式の取得状況に関するお知らせ |
| 03/03 | 7,585 | 7,946 | 7,550 | 7,861 | +2.24% | 2,130,800 | 2兆9171億 | +6.73% |
| 03/02 | 7,519 | 7,709 | 7,506 | 7,689 | +0.43% | 1,353,800 | 2兆8533億 | +5.03% |
| 02/27 | 7,616 | 7,712 | 7,553 | 7,656 | +0.25% | 1,737,200 | 2兆8410億 | +5.15% |
| 02/26 | 7,700 | 7,747 | 7,625 | 7,637 | +0.51% | 896,100 | 2兆8340億 | +5.51% |
| 02/25 | 7,635 | 7,706 | 7,492 | 7,598 | -0.35% | 1,132,400 | 2兆8195億 | +5.62% |
| 02/24 | 7,662 | 7,710 | 7,494 | 7,625 | +0.66% | 1,018,100 | 2兆8295億 | +6.58% |
| 02/20 | 7,577 | 7,665 | 7,532 | 7,575 | -0.84% | 964,000 | 2兆8110億 | +6.54% |
| 02/19 | (IR情報)15:00 代表執行役の異動および役員人事について |
| 02/19 | 7,539 | 7,654 | 7,471 | 7,639 | +1.17% | 1,068,400 | 2兆8347億 | +8.08% |
| 02/18 | 7,541 | 7,694 | 7,541 | 7,551 | +0.13% | 1,154,900 | 2兆8021億 | +7.53% |
| 02/17 | 7,497 | 7,610 | 7,441 | 7,541 | +1.36% | 842,300 | 2兆7983億 | +8.1% |
| 02/16 | 7,779 | 7,820 | 7,440 | 7,440 | -4.23% | 1,286,000 | 2兆7609億 | +7.45% |
| 02/13 | 7,832 | 7,954 | 7,740 | 7,769 | -0.14% | 1,386,900 | 2兆8830億 | +12.99% |
| 02/12 | (自社株買い)取締役会(2025年10月29日)での決議状況(取得期間2025年11月10日~2026年3月31日) |
| 02/12 | 7,719 | 7,864 | 7,645 | 7,780 | +0.76% | 1,220,700 | 2兆8870億 | +14.21% |
| 02/10 | 7,708 | 7,810 | 7,655 | 7,721 | +2.02% | 1,208,300 | 2兆8651億 | +14.33% |
| 02/09 | 7,386 | 7,621 | 7,329 | 7,568 | +4.59% | 1,255,000 | 2兆8084億 | +13.04% |
| 02/06 | 7,285 | 7,314 | 7,207 | 7,236 | -0.63% | 1,120,900 | 2兆6852億 | +8.98% |
| 02/05 | 7,371 | 7,375 | 7,160 | 7,282 | -0.16% | 1,347,200 | 2兆7022億 | +10.37% |
| 02/04 | 7,192 | 7,301 | 7,142 | 7,294 | +2.14% | 1,197,400 | 2兆7067億 | +11.29% |
| 02/03 | (IR情報)14:00 自己株式の取得状況に関するお知らせ |
| 02/03 | 7,048 | 7,207 | 6,981 | 7,141 | +1.75% | 1,606,300 | 2兆6499億 | +9.71% |
| 02/02 | 6,945 | 7,098 | 6,860 | 7,018 | +2.51% | 1,643,300 | 2兆6043億 | +8.45% |
| 01/30 | (IR情報)14:15 2026年3月期第3四半期決算短信〔日本基準〕(連結) |
| 01/30 | 6,800 | 6,996 | 6,666 | 6,846 | +1.89% | 2,454,100 | 2兆5404億 | +6.32% |
| 01/29 | 6,650 | 6,738 | 6,556 | 6,719 | +0.98% | 1,076,800 | 2兆4933億 | +4.77% |
| 01/28 | 6,530 | 6,684 | 6,507 | 6,654 | +1.06% | 1,320,400 | 2兆4692億 | +3.95% |
| 01/27 | 6,691 | 6,724 | 6,584 | 6,584 | -1.8% | 1,321,100 | 2兆4432億 | +3.05% |
| 01/26 | 6,577 | 6,746 | 6,555 | 6,705 | -0.7% | 1,288,600 | 2兆4881億 | +5.14% |
| 01/23 | 6,713 | 6,814 | 6,713 | 6,752 | +0.69% | 1,023,300 | 2兆5056億 | +6.21% |
| 01/22 | (5%ルール)日本生命保険(7.04%) |
| 01/22 | 6,606 | 6,742 | 6,606 | 6,706 | +2.23% | 1,388,000 | 2兆4885億 | +5.74% |
| 01/21 | 6,470 | 6,569 | 6,467 | 6,560 | +0.09% | 718,100 | 2兆4343億 | +3.73% |
| 01/20 | 6,562 | 6,601 | 6,503 | 6,554 | -0.4% | 799,600 | 2兆4321億 | +3.87% |
| 01/19 | 6,535 | 6,627 | 6,513 | 6,580 | +0.55% | 715,800 | 2兆4417億 | +4.51% |
| 01/16 | 6,500 | 6,545 | 6,439 | 6,544 | +0.46% | 852,700 | 2兆4284億 | +4.24% |
| 01/15 | 6,500 | 6,540 | 6,443 | 6,514 | +0.17% | 1,128,700 | 2兆4172億 | +4.12% |
| 01/14 | 6,460 | 6,503 | 6,345 | 6,503 | +1.67% | 1,273,400 | 2兆4132億 | +4.35% |
| 01/13 | (自社株買い)取締役会(2025年10月29日)での決議状況(取得期間2025年11月10日~2026年3月31日) |
| 01/13 | 6,266 | 6,443 | 6,266 | 6,396 | +2.53% | 1,443,900 | 2兆3734億 | +2.95% |
| 01/09 | 6,285 | 6,330 | 6,211 | 6,238 | +0.1% | 1,409,500 | 2兆3148億 | +0.66% |
| 01/08 | 6,165 | 6,290 | 6,163 | 6,232 | +1.12% | 1,411,300 | 2兆3126億 | +0.63% |
| 01/07 | 6,188 | 6,250 | 6,153 | 6,163 | -2.58% | 1,192,500 | 2兆2870億 | -0.45% |
| 01/06 | 6,243 | 6,347 | 6,235 | 6,326 | +1.07% | 1,153,900 | 2兆3475億 | +2.07% |
| 01/05 | (IR情報)14:00 自己株式の取得状況に関するお知らせ |
| 01/05 | 6,300 | 6,406 | 6,232 | 6,259 | +0.87% | 998,800 | 2兆3226億 | +0.94% |
| 2025 |
| 12/30 | 6,200 | 6,215 | 6,119 | 6,205 | +0.67% | 934,800 | 2兆3026億 | -0.06% |
| 12/29 | 6,153 | 6,204 | 6,121 | 6,164 | -0.55% | 657,500 | 2兆2874億 | -0.72% |
| 12/26 | 6,169 | 6,239 | 6,169 | 6,198 | +0.6% | 359,700 | 2兆3000億 | -0.13% |
| 12/25 | 6,190 | 6,205 | 6,147 | 6,161 | -0.45% | 201,700 | 2兆2862億 | -0.63% |
| 12/24 | 6,249 | 6,249 | 6,151 | 6,189 | -0.5% | 776,100 | 2兆2966億 | -0.03% |
| 12/23 | 6,248 | 6,314 | 6,196 | 6,220 | +0.23% | 1,194,100 | 2兆3081億 | +0.63% |
| 12/22 | 6,402 | 6,406 | 6,198 | 6,206 | -3.26% | 1,272,800 | 2兆3029億 | +0.45% |
| 12/19 | 6,317 | 6,440 | 6,310 | 6,415 | +0.93% | 2,696,200 | 2兆3805億 | +3.92% |
| 12/18 | 6,310 | 6,400 | 6,285 | 6,356 | +1.29% | 1,544,200 | 2兆3586億 | +3.17% |
| 12/17 | 6,209 | 6,275 | 6,175 | 6,275 | +1.13% | 1,105,600 | 2兆3285億 | +2.17% |
| 12/16 | 6,390 | 6,454 | 6,205 | 6,205 | -2.59% | 1,469,200 | 2兆3026億 | +1.26% |
| 12/15 | 6,300 | 6,418 | 6,298 | 6,370 | +1.55% | 1,043,300 | 2兆3638億 | +4.2% |
| 12/12 | 6,258 | 6,295 | 6,200 | 6,273 | +1.23% | 1,124,500 | 2兆3278億 | +3.09% |
| 12/11 | (自社株買い)取締役会(2025年10月29日)での決議状況(取得期間2025年11月10日~2026年3月31日) |
| 12/11 | 6,230 | 6,285 | 6,188 | 6,197 | -0.31% | 1,269,400 | 2兆2996億 | +2.21% |
| 12/10 | (IR情報)11:00 従業員持株会向け譲渡制限付株式インセンティブとしての自己株式の処分の払込完了及び一部失権に関するお知らせ |
| 12/10 | 6,110 | 6,216 | 6,100 | 6,216 | +1.67% | 1,210,100 | 2兆3067億 | +2.88% |
| 12/09 | 6,055 | 6,137 | 6,011 | 6,114 | +1.68% | 1,106,600 | 2兆2688億 | +1.6% |
| 12/08 | 5,948 | 6,034 | 5,899 | 6,013 | +1.79% | 1,031,000 | 2兆2313億 | +0.4% |
| 12/05 | 5,995 | 6,069 | 5,895 | 5,907 | -2.04% | 1,496,500 | 2兆1920億 | -0.92% |
| 12/04 | 5,971 | 6,092 | 5,955 | 6,030 | +0.48% | 1,849,500 | 2兆2376億 | +1.52% |
| 12/03 | 6,071 | 6,088 | 5,957 | 6,001 | -2.1% | 1,804,300 | 2兆2269億 | +1.47% |
| 12/02 | (IR情報)14:00 自己株式の取得状況に関するお知らせ |
| 12/02 | 6,132 | 6,175 | 6,069 | 6,130 | -0.78% | 1,420,900 | 2兆2747億 | +4.11% |
| 12/01 | 6,299 | 6,315 | 6,161 | 6,178 | -2.43% | 1,280,700 | 2兆2925億 | +5.53% |
| 11/28 | 6,367 | 6,450 | 6,332 | 6,332 | -1.42% | 1,399,300 | 2兆3497億 | +8.82% |
| 11/27 | 6,473 | 6,572 | 6,401 | 6,423 | -0.56% | 1,455,000 | 2兆3835億 | +11.2% |
| 11/26 | 6,325 | 6,483 | 6,288 | 6,459 | +4.36% | 1,955,200 | 2兆3968億 | +12.74% |
| 11/25 | 6,181 | 6,280 | 6,150 | 6,189 | +1.78% | 1,956,500 | 2兆2966億 | +8.96% |
| 11/21 | 6,060 | 6,113 | 6,032 | 6,081 | +0.35% | 2,752,700 | 2兆2566億 | +7.82% |
| 11/20 | 6,013 | 6,109 | 5,969 | 6,060 | +1.99% | 1,141,000 | 2兆2488億 | +8.02% |
| 11/19 | 6,000 | 6,055 | 5,914 | 5,942 | +0.15% | 1,201,000 | 2兆2050億 | +6.51% |
| 11/18 | 6,163 | 6,230 | 5,922 | 5,933 | -3.48% | 1,156,600 | 2兆2016億 | +6.86% |
| 11/17 | 6,057 | 6,149 | 6,040 | 6,147 | +1.15% | 1,081,100 | 2兆2810億 | +11.26% |
| 11/17 | (IR情報)8:45 当社子会社(TG Natural Resources LLC)によるガス開発・生産事業会社の持分譲渡(連結子会社の異動)に関するお知らせ |
| 11/14 | 6,099 | 6,106 | 6,028 | 6,077 | -0.47% | 843,300 | 2兆2551億 | +10.65% |
| 11/13 | (自社株買い)取締役会(2025年10月29日)での決議状況(取得期間2025年11月10日~2026年3月31日) |
| 11/13 | 5,970 | 6,126 | 5,963 | 6,106 | +3.68% | 1,050,900 | 2兆2658億 | +11.75% |
| 11/12 | 5,960 | 6,091 | 5,876 | 5,889 | -0.79% | 1,088,500 | 2兆1853億 | +8.49% |
| 11/11 | 5,820 | 5,936 | 5,820 | 5,936 | +1.99% | 955,100 | 2兆2027億 | +9.95% |
| 11/10 | 5,700 | 5,845 | 5,699 | 5,820 | +2.77% | 891,500 | 2兆1597億 | +8.42% |
| 11/07 | 5,672 | 5,731 | 5,612 | 5,663 | -1.39% | 814,400 | 2兆1014億 | +6.05% |
| 11/06 | 5,603 | 5,750 | 5,603 | 5,743 | +1.59% | 944,100 | 2兆1311億 | +7.99% |
| 11/06 | (空売り報告)BNP Paribas Financial Markets SNC 1,843,553株(0.49%)-0.08%義務消失 |
| 11/05 | 5,665 | 5,701 | 5,514 | 5,653 | +0.59% | 1,245,200 | 2兆977億 | +6.68% |
| 11/04 | 5,402 | 5,630 | 5,400 | 5,620 | +4.04% | 1,754,400 | 2兆855億 | +6.32% |
| 10/31 | 5,384 | 5,560 | 5,343 | 5,402 | +1.47% | 1,725,000 | 2兆46億 | +2.39% |
| 10/30 | 5,300 | 5,497 | 5,270 | 5,324 | -0.73% | 2,355,600 | 1兆9756億 | +0.89% |
| 10/29 | (IR情報)13:30 「東京ガスグループ2026-2028年度中期経営計画」について |
| 10/29 | (IR情報)13:30 剰余金の配当(中間配当)及び配当予想の修正に関するお知らせ |
| 10/29 | (IR情報)13:30 自己株式取得に係る事項の決定に関するお知らせ |
| 10/29 | (IR情報)13:30 株主還元方針の変更に関するお知らせ |
| 10/29 | (IR情報)13:30 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(連結) |
| 10/29 | 5,379 | 5,756 | 5,254 | 5,363 | -0.32% | 4,141,300 | 1兆9901億 | +1.59% |
| 10/29 | (空売り報告)BNP Paribas Financial Markets SNC 2,134,548株(0.57%)-0.17% |
| 10/28 | 5,400 | 5,524 | 5,349 | 5,380 | +0.67% | 1,324,300 | 1兆9964億 | +1.93% |
| 10/27 | 5,324 | 5,350 | 5,279 | 5,344 | +1.33% | 691,500 | 1兆9831億 | +1.25% |
| 10/24 | 5,295 | 5,355 | 5,253 | 5,274 | -0.73% | 827,400 | 1兆9571億 | -0.15% |
| 10/24 | (空売り報告)BNP Paribas Financial Markets SNC 2,782,248株(0.74%)再IN |
| 10/23 | 5,323 | 5,347 | 5,278 | 5,313 | +0.93% | 756,500 | 1兆9716億 | +0.25% |
| 10/22 | 5,203 | 5,280 | 5,203 | 5,264 | +0.55% | 673,900 | 1兆9534億 | -1.07% |
| 10/21 | 5,248 | 5,268 | 5,196 | 5,235 | +0.06% | 725,100 | 1兆9426億 | -2% |
| 10/20 | 5,260 | 5,260 | 5,189 | 5,232 | +0.63% | 580,600 | 1兆9415億 | -2.46% |
| 10/17 | 5,242 | 5,340 | 5,169 | 5,199 | -2.49% | 682,700 | 1兆9293億 | -3.45% |
| 10/16 | 5,330 | 5,355 | 5,295 | 5,332 | +0.89% | 748,800 | 1兆9786億 | -1.33% |
| 10/15 | 5,244 | 5,296 | 5,220 | 5,285 | +0.57% | 731,400 | 1兆9612億 | -2.47% |
| 10/14 | (自社株買い)取締役会(2025年3月26日)での決議状況(取得期間2025年4月1日~2025年9月30日) |
| 10/14 | 5,190 | 5,261 | 5,150 | 5,255 | -0.11% | 997,000 | 1兆9500億 | -3.35% |
| 10/10 | 5,297 | 5,438 | 5,238 | 5,261 | -1.39% | 1,207,000 | 1兆9523億 | -3.59% |
| 10/09 | 5,403 | 5,436 | 5,306 | 5,335 | -0.78% | 1,087,300 | 1兆9797億 | -2.57% |
| 10/08 | 5,288 | 5,395 | 5,267 | 5,377 | +3.6% | 1,375,300 | 1兆9953億 | -2.15% |
| 10/07 | 5,190 | 5,240 | 5,179 | 5,190 | +0.1% | 630,900 | 1兆9259億 | -5.81% |