| 2021 |
| 04/26 | 4,950 | 4,950 | 4,890 | 4,925 | -0.51% | 1,067,300 | 1兆1201億 | +3.71% |
| 04/23 | 4,945 | 4,980 | 4,940 | 4,950 | -0.8% | 788,600 | 1兆1258億 | +4.74% |
| 04/22 | 4,985 | 5,050 | 4,960 | 4,990 | +1.94% | 1,012,300 | 1兆1349億 | +6.1% |
| 04/21 | 4,920 | 4,950 | 4,825 | 4,895 | -1.21% | 1,478,500 | 1兆1133億 | +4.59% |
| 04/20 | 4,975 | 4,980 | 4,935 | 4,955 | -1.49% | 1,111,300 | 1兆1269億 | +6.42% |
| 04/19 | 4,995 | 5,090 | 4,990 | 5,030 | +1.21% | 1,105,100 | 1兆1440億 | +8.62% |
| 04/16 | 4,925 | 4,980 | 4,895 | 4,970 | +1.33% | 1,055,700 | 1兆1303億 | +7.9% |
| 04/15 | 5,000 | 5,040 | 4,900 | 4,905 | -2.49% | 1,361,100 | 1兆1155億 | +7.05% |
| 04/14 | 4,955 | 5,030 | 4,935 | 5,030 | +0.9% | 1,342,900 | 1兆1440億 | +10.33% |
| 04/13 | 5,150 | 5,190 | 4,970 | 4,985 | +2.89% | 2,894,900 | 1兆1337億 | +10.07% |
| 04/12 | （IR情報）15:00 連結業績予想および配当予想の修正に関するお知らせ |
| 04/12 | 4,865 | 4,910 | 4,830 | 4,845 | +1.04% | 1,388,900 | 1兆1019億 | +7.69% |
| 04/09 | 4,770 | 4,845 | 4,750 | 4,795 | +1.27% | 1,659,600 | 1兆905億 | +7.15% |
| 04/08 | 4,710 | 4,755 | 4,685 | 4,735 | -0.21% | 1,152,600 | 1兆769億 | +6.31% |
| 04/07 | 4,645 | 4,765 | 4,625 | 4,745 | +3.49% | 1,297,400 | 1兆792億 | +7.16% |
| 04/06 | 4,635 | 4,645 | 4,570 | 4,585 | -0.86% | 798,400 | 1兆428億 | +4.16% |
| 04/05 | 4,620 | 4,645 | 4,575 | 4,625 | +0.65% | 544,000 | 1兆519億 | +5.71% |
| 04/02 | 4,600 | 4,625 | 4,550 | 4,595 | +1.32% | 856,500 | 1兆450億 | +5.71% |
| 04/01 | 4,650 | 4,710 | 4,530 | 4,535 | -2.05% | 1,234,600 | 1兆314億 | +5% |
| 03/31 | 4,700 | 4,730 | 4,630 | 4,630 | -1.17% | 1,506,900 | 1兆530億 | +7.62% |
| 03/30 | 4,610 | 4,710 | 4,595 | 4,685 | +1.85% | 1,154,100 | 1兆655億 | +9.57% |
| 03/29 | 4,640 | 4,655 | 4,550 | 4,600 | +1.1% | 1,341,900 | 1兆462億 | +8.36% |
| 03/26 | 4,575 | 4,620 | 4,525 | 4,550 | +1.79% | 1,867,800 | 1兆348億 | +7.95% |
| 03/25 | 4,450 | 4,575 | 4,445 | 4,470 | +1.48% | 2,254,800 | 1兆166億 | +6.78% |
| 03/24 | 4,255 | 4,415 | 4,240 | 4,405 | +2.68% | 1,775,200 | 1兆18億 | +5.94% |
| 03/23 | 4,390 | 4,405 | 4,290 | 4,290 | -1.49% | 1,231,600 | 9757億2352万 | +3.87% |
| 03/22 | 4,330 | 4,395 | 4,320 | 4,355 | -0.46% | 847,900 | 9905億721万 | +6.04% |
| 03/19 | （IR情報）10:00 AGC、インドシナ半島のクロール・アルカリ事業3社の統合再編を決定 |
| 03/19 | 4,380 | 4,400 | 4,335 | 4,375 | -0.79% | 1,413,100 | 9950億5604万 | +7.28% |
| 03/18 | 4,335 | 4,415 | 4,325 | 4,410 | +2.56% | 993,600 | 1兆30億 | +8.92% |
| 03/18 | （空売り報告）Barclays Bank PLC 5,994,393株（2.63%）-0.14% |
| 03/17 | 4,285 | 4,300 | 4,255 | 4,300 | -0.69% | 1,136,000 | 9779億9793万 | +6.99% |
| 03/16 | 4,355 | 4,380 | 4,315 | 4,330 | -1.59% | 958,700 | 9848億2117万 | +8.3% |
| 03/15 | 4,400 | 4,475 | 4,385 | 4,400 | +0.46% | 1,175,800 | 1兆7億 | +10.58% |
| 03/12 | 4,350 | 4,380 | 4,275 | 4,380 | +1.27% | 1,188,800 | 9961億9324万 | +10.75% |
| 03/11 | 4,290 | 4,325 | 4,265 | 4,325 | +1.05% | 1,399,600 | 9836億8397万 | +10.02% |
| 03/10 | 4,240 | 4,280 | 4,210 | 4,280 | +0.94% | 1,115,800 | 9734億4911万 | +9.58% |
| 03/09 | 4,250 | 4,255 | 4,170 | 4,240 | 0% | 1,352,700 | 9643億5145万 | +9.25% |
| 03/08 | 4,270 | 4,325 | 4,215 | 4,240 | -0.35% | 1,363,700 | 9643億5145万 | +9.93% |
| 03/05 | 4,080 | 4,255 | 4,075 | 4,255 | +3.78% | 2,673,100 | 9677億6307万 | +10.92% |
| 03/04 | 4,055 | 4,175 | 4,040 | 4,100 | +0.49% | 1,498,300 | 9325億966万 | +7.47% |
| 03/03 | 3,995 | 4,125 | 3,990 | 4,080 | +4.35% | 1,696,000 | 9279億6083万 | +7.31% |
| 03/02 | 3,955 | 3,980 | 3,895 | 3,910 | -0.38% | 922,600 | 8892億9579万 | +3.11% |
| 03/01 | 3,970 | 3,990 | 3,900 | 3,925 | +0.64% | 905,400 | 8927億742万 | +3.59% |
| 02/26 | 4,005 | 4,020 | 3,900 | 3,900 | -4.99% | 2,060,600 | 8870億2138万 | +3.04% |
| 02/25 | 4,030 | 4,125 | 4,000 | 4,105 | +3.01% | 2,030,900 | 9336億4686万 | +8.43% |
| 02/24 | 3,910 | 4,030 | 3,890 | 3,985 | +2.05% | 1,896,300 | 9063億5390万 | +5.62% |
| 02/22 | 3,900 | 3,955 | 3,890 | 3,905 | +0.9% | 1,637,000 | 8881億5859万 | +3.77% |
| 02/19 | 3,800 | 3,870 | 3,780 | 3,870 | +1.31% | 1,209,400 | 8801億9814万 | +2.93% |
| 02/18 | 3,820 | 3,875 | 3,780 | 3,820 | +1.6% | 1,864,700 | 8688億2607万 | +1.73% |
| 02/17 | 3,715 | 3,765 | 3,705 | 3,760 | +1.21% | 988,000 | 8551億7959万 | +0.21% |
| 02/16 | 3,755 | 3,775 | 3,695 | 3,715 | +0.27% | 1,124,400 | 8449億4473万 | -0.93% |
| 02/15 | 3,680 | 3,710 | 3,660 | 3,705 | +2.07% | 665,600 | 8426億7031万 | -1.2% |
| 02/12 | 3,675 | 3,680 | 3,610 | 3,630 | -0.95% | 999,100 | 8256億1221万 | -3.17% |
| 02/10 | 3,675 | 3,680 | 3,605 | 3,665 | +0.14% | 1,250,000 | 8335億7266万 | -2.16% |
| 02/09 | 3,750 | 3,760 | 3,625 | 3,660 | -2.53% | 1,835,600 | 8324億3545万 | -2.22% |
| 02/08 | 3,805 | 3,825 | 3,680 | 3,755 | -2.97% | 2,110,900 | 8540億4238万 | +0.35% |
| 02/05 | （IR情報）15:00 AGC、新たな経営方針、長期経営戦略および中期経営計画を策定 |
| 02/05 | （IR情報）15:00 当社取締役等に対する株式報酬制度の継続について |
| 02/05 | （IR情報）15:00 2020年12月期通期決算説明会資料 |
| 02/05 | （IR情報）15:00 2020年12月期決算短信[IFRS](連結) |
| 02/05 | 3,830 | 3,885 | 3,810 | 3,870 | +2.11% | 1,253,000 | 8801億9814万 | +3.61% |
| 02/04 | 3,800 | 3,830 | 3,775 | 3,790 | 0% | 893,100 | 8620億283万 | +1.66% |
| 02/03 | 3,735 | 3,800 | 3,735 | 3,790 | +2.71% | 890,700 | 8620億283万 | +1.77% |
| 02/02 | 3,665 | 3,735 | 3,665 | 3,690 | +0.68% | 854,600 | 8392億5869万 | -0.83% |
| 02/01 | 3,615 | 3,690 | 3,600 | 3,665 | +0.96% | 935,900 | 8335億7266万 | -1.5% |
| 01/29 | 3,725 | 3,725 | 3,625 | 3,630 | -2.68% | 1,003,700 | 8256億1221万 | -2.42% |
| 01/28 | 3,650 | 3,755 | 3,650 | 3,730 | 0% | 1,045,300 | 8483億5635万 | +0.24% |
| 01/27 | 3,775 | 3,795 | 3,730 | 3,730 | -1.06% | 921,700 | 8483億5635万 | +0.27% |
| 01/26 | 3,835 | 3,855 | 3,770 | 3,770 | -1.57% | 805,200 | 8574億5400万 | +1.32% |
| 01/25 | 3,795 | 3,845 | 3,785 | 3,830 | +0.13% | 687,600 | 8711億48万 | +3.12% |
| 01/25 | （空売り報告）Barclays Bank PLC 6,308,971株（2.77%）+0.16% |
| 01/22 | 3,790 | 3,865 | 3,775 | 3,825 | -0.13% | 728,700 | 8699億6328万 | +3.21% |
| 01/21 | 3,930 | 3,955 | 3,820 | 3,830 | -2.3% | 1,370,100 | 8711億48万 | +3.65% |
| 01/20 | 3,895 | 3,920 | 3,820 | 3,920 | +3.7% | 1,451,200 | 8915億7021万 | +6.49% |
| 01/19 | 3,755 | 3,780 | 3,730 | 3,780 | +1.07% | 695,200 | 8597億2842万 | +3.31% |
| 01/18 | 3,805 | 3,830 | 3,740 | 3,740 | -2.6% | 786,800 | 8506億3076万 | +2.61% |
| 01/15 | 3,910 | 3,940 | 3,805 | 3,840 | +2.95% | 1,992,700 | 8733億7490万 | +5.64% |
| 01/14 | （IR情報）15:00 セントラル硝子株式会社との国内建築用ガラス事業統合に係る協議の中止に関するお知らせ |
| 01/14 | （IR情報）15:00 通期連結業績予想の修正に関するお知らせ |
| 01/14 | 3,730 | 3,790 | 3,705 | 3,730 | -0.27% | 1,004,900 | 8483億5635万 | +3.01% |
| 01/13 | 3,690 | 3,750 | 3,655 | 3,740 | +0.54% | 839,300 | 8506億3076万 | +3.52% |
| 01/12 | 3,715 | 3,760 | 3,695 | 3,720 | -0.13% | 657,100 | 8460億8193万 | +3.13% |
| 01/08 | 3,670 | 3,725 | 3,640 | 3,725 | +1.78% | 930,400 | 8472億1914万 | +3.44% |
| 01/07 | 3,625 | 3,715 | 3,610 | 3,660 | +2.95% | 1,529,500 | 8324億3545万 | +1.78% |
| 01/06 | 3,560 | 3,565 | 3,530 | 3,555 | -1.11% | 875,900 | 8085億5410万 | -1.03% |
| 01/05 | 3,610 | 3,615 | 3,550 | 3,595 | -0.96% | 982,600 | 8176億5176万 | +0.17% |
| 01/04 | 3,675 | 3,680 | 3,580 | 3,630 | +0.83% | 720,900 | 8256億1221万 | +1.2% |
| 2020 |
| 12/30 | 3,650 | 3,650 | 3,580 | 3,600 | -2.04% | 879,100 | 8187億8897万 | +0.42% |
| 12/29 | 3,645 | 3,675 | 3,595 | 3,675 | -0.68% | 754,600 | 8358億4707万 | +2.57% |
| 12/28 | 3,710 | 3,720 | 3,680 | 3,700 | -0.4% | 1,065,500 | 8415億3310万 | +3.41% |
| 12/25 | 3,710 | 3,730 | 3,700 | 3,715 | +0.41% | 612,400 | 8449億4473万 | +4.03% |
| 12/24 | 3,695 | 3,710 | 3,665 | 3,700 | +2.07% | 703,400 | 8415億3310万 | +3.85% |
| 12/23 | 3,685 | 3,685 | 3,580 | 3,625 | -1.23% | 802,200 | 8244億7500万 | +2% |
| 12/22 | （5%ルール）三井住友トラスト・アセットマネジメント（3.27%）日興アセットマネジメント（1.74%） |
| 12/22 | 3,645 | 3,710 | 3,630 | 3,670 | -0.68% | 756,300 | 8347億986万 | +3.35% |
| 12/21 | 3,755 | 3,785 | 3,655 | 3,695 | -1.6% | 879,600 | 8403億9590万 | +4.2% |
| 12/18 | 3,655 | 3,755 | 3,650 | 3,755 | +4.45% | 2,142,700 | 8540億4238万 | +6.16% |
| 12/18 | （空売り報告）Societe Generale 1,087,257株（0.47%）-0.03%義務消失 |
| 12/17 | 3,650 | 3,665 | 3,590 | 3,595 | -1.1% | 960,300 | 8176億5176万 | +1.99% |
| 12/16 | 3,620 | 3,645 | 3,590 | 3,635 | +2.39% | 1,049,700 | 8267億4941万 | +3.27% |
| 12/15 | 3,485 | 3,560 | 3,470 | 3,550 | +2.16% | 1,005,400 | 8074億1690万 | +1.11% |
| 12/15 | （空売り報告）Societe Generale 1,147,157株（0.5%）再IN |
| 12/14 | 3,390 | 3,510 | 3,390 | 3,475 | +2.96% | 1,037,900 | 7903億5879万 | -0.71% |
| 12/11 | 3,425 | 3,430 | 3,350 | 3,375 | -1.6% | 860,500 | 7676億1466万 | -3.38% |
| 12/10 | （IR情報）15:00 代表取締役の異動について |
| 12/10 | （IR情報）15:00 取締役及び執行役員の異動について |
| 12/10 | 3,470 | 3,485 | 3,430 | 3,430 | -1.58% | 653,400 | 7801億2393万 | -1.72% |
| 12/09 | 3,465 | 3,500 | 3,465 | 3,485 | +0.14% | 659,700 | 7926億3321万 | -0.03% |
| 12/08 | 3,510 | 3,550 | 3,480 | 3,480 | -1.42% | 595,700 | 7914億9600万 | +0.06% |
| 12/07 | 3,615 | 3,620 | 3,515 | 3,530 | -1.67% | 708,900 | 8028億6807万 | +1.76% |
| 12/04 | 3,560 | 3,605 | 3,550 | 3,590 | +0.56% | 478,300 | 8165億1455万 | +3.88% |
| 12/03 | 3,580 | 3,595 | 3,550 | 3,570 | -1.24% | 641,200 | 8119億6573万 | +3.78% |
| 12/02 | 3,605 | 3,645 | 3,560 | 3,615 | +1.69% | 1,294,700 | 8222億59万 | +5.52% |
| 12/01 | 3,470 | 3,560 | 3,460 | 3,555 | +2.3% | 820,500 | 8085億5410万 | +4.22% |
