| 2021 |
| 06/21 | （5%ルール）エム・ユー投資顧問（0.07%）三菱UFJモルガン・スタンレー証券（0.03%）三菱UFJ信託銀行（3.24%）三菱UFJ国際投信（0.92%） |
| 06/16 | 4,980 | 5,070 | 4,965 | 5,000 | +3.63% | 2,050,600 | 1兆1372億 | +3.35% |
| 06/15 | （IR情報）15:00 北米建築用ガラス事業の譲渡に関するお知らせ |
| 06/15 | 4,860 | 4,875 | 4,810 | 4,825 | -0.82% | 1,007,200 | 1兆974億 | -0.27% |
| 06/14 | 4,855 | 4,885 | 4,800 | 4,865 | +0.72% | 769,900 | 1兆1065億 | +0.31% |
| 06/11 | 4,870 | 4,875 | 4,820 | 4,830 | -0.31% | 918,900 | 1兆985億 | -0.7% |
| 06/11 | （空売り報告）Societe Generale 1,577,751株（0.69%）-0.01% |
| 06/10 | 4,830 | 4,890 | 4,825 | 4,845 | +0.52% | 818,500 | 1兆1019億 | -0.62% |
| 06/10 | （空売り報告）Societe Generale 1,604,551株（0.7%）再IN |
| 06/09 | 4,905 | 4,910 | 4,820 | 4,820 | -0.41% | 670,400 | 1兆962億 | -1.25% |
| 06/08 | 4,840 | 4,880 | 4,810 | 4,840 | -0.21% | 714,200 | 1兆1008億 | -0.96% |
| 06/07 | 4,890 | 4,925 | 4,835 | 4,850 | -0.41% | 768,900 | 1兆1030億 | -0.84% |
| 06/04 | 4,790 | 4,875 | 4,780 | 4,870 | +1.14% | 1,000,200 | 1兆1076億 | -0.49% |
| 06/03 | 4,805 | 4,860 | 4,805 | 4,815 | -0.31% | 820,000 | 1兆951億 | -1.65% |
| 06/02 | 4,815 | 4,900 | 4,815 | 4,830 | -0.82% | 1,003,500 | 1兆985億 | -1.47% |
| 06/01 | 4,880 | 4,900 | 4,790 | 4,870 | +1.88% | 694,900 | 1兆1076億 | -0.77% |
| 05/31 | 4,850 | 4,860 | 4,760 | 4,780 | -1.04% | 787,900 | 1兆871億 | -2.63% |
| 05/28 | 4,785 | 4,860 | 4,770 | 4,830 | +0.73% | 1,128,800 | 1兆985億 | -1.75% |
| 05/27 | 4,845 | 4,870 | 4,780 | 4,795 | -1.84% | 1,099,000 | 1兆905億 | -2.62% |
| 05/26 | 4,780 | 4,890 | 4,770 | 4,885 | +1.14% | 700,900 | 1兆1110億 | -0.93% |
| 05/25 | 4,885 | 4,885 | 4,800 | 4,830 | -0.51% | 825,000 | 1兆985億 | -2.07% |
| 05/24 | 4,740 | 4,890 | 4,740 | 4,855 | +2.86% | 1,040,400 | 1兆1042億 | -1.72% |
| 05/21 | 4,630 | 4,745 | 4,630 | 4,720 | +2.28% | 1,239,700 | 1兆735億 | -4.55% |
| 05/20 | 4,700 | 4,720 | 4,600 | 4,615 | -3.05% | 2,057,400 | 1兆496億 | -6.77% |
| 05/19 | 4,825 | 4,885 | 4,755 | 4,760 | -2.76% | 1,593,800 | 1兆826億 | -3.97% |
| 05/18 | 4,910 | 4,930 | 4,825 | 4,895 | -0.91% | 1,378,300 | 1兆1133億 | -1.23% |
| 05/17 | 5,000 | 5,020 | 4,905 | 4,940 | +0.51% | 774,300 | 1兆1235億 | -0.2% |
| 05/14 | 4,950 | 4,975 | 4,910 | 4,915 | +0.72% | 915,500 | 1兆1178億 | -0.43% |
| 05/13 | 4,900 | 4,950 | 4,875 | 4,880 | -2.4% | 1,209,500 | 1兆1099億 | -0.89% |
| 05/12 | 5,170 | 5,170 | 4,940 | 5,000 | -2.15% | 1,392,500 | 1兆1372億 | +1.77% |
| 05/11 | 5,200 | 5,200 | 5,050 | 5,110 | -2.29% | 1,208,300 | 1兆1622億 | +4.41% |
| 05/10 | 5,140 | 5,230 | 5,120 | 5,230 | +2.75% | 2,070,100 | 1兆1895億 | +7.28% |
| 05/07 | （IR情報）15:00 2021年12月期第1四半期業績説明会資料 |
| 05/07 | （IR情報）15:00 執行役員の担当変更について |
| 05/07 | （IR情報）15:00 2021年12月期第1四半期決算短信〔IFRS〕(連結) |
| 05/07 | 5,000 | 5,100 | 4,955 | 5,090 | +1.9% | 1,415,200 | 1兆1576億 | +4.88% |
| 05/06 | 5,000 | 5,000 | 4,915 | 4,995 | +0.3% | 1,533,700 | 1兆1360億 | +3.33% |
| 04/30 | 4,950 | 5,000 | 4,940 | 4,980 | +0.71% | 1,001,600 | 1兆1326億 | +3.41% |
| 04/28 | 4,945 | 4,965 | 4,915 | 4,945 | +0.61% | 670,800 | 1兆1246億 | +3.11% |
| 04/27 | 4,895 | 4,955 | 4,875 | 4,915 | -0.2% | 1,043,700 | 1兆1178億 | +2.95% |
| 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% |
| 01/14 | （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 |
