| 2026 |
| 08/21 | 3,050 | 3,130 | 3,050 | 3,110 | +0.97% | 79,900 | 1376億4393万 | -1.83% |
| 08/20 | 3,050 | 3,095 | 3,035 | 3,080 | +1.99% | 99,700 | 1363億1618万 | -2.93% |
| 08/19 | 3,150 | 3,160 | 3,015 | 3,020 | -4.58% | 144,000 | 1336億6067万 | -4.94% |
| 08/18 | 3,215 | 3,245 | 3,165 | 3,165 | -2.31% | 92,900 | 1400億7815万 | -0.6% |
| 08/17 | 3,230 | 3,265 | 3,215 | 3,240 | +0.62% | 100,200 | 1433億9754万 | +1.66% |
| 08/14 | 3,205 | 3,225 | 3,170 | 3,220 | +0.63% | 70,600 | 1425億1237万 | +1% |
| 08/13 | 3,190 | 3,220 | 3,170 | 3,200 | +1.27% | 105,800 | 1416億2720万 | +0.44% |
| 08/12 | 3,195 | 3,195 | 3,120 | 3,160 | -1.1% | 164,400 | 1398億5686万 | -0.91% |
| 08/10 | 3,170 | 3,205 | 3,085 | 3,195 | -0.93% | 154,700 | 1414億590万 | 0% |
| 08/07 | 3,245 | 3,270 | 3,210 | 3,225 | -1.98% | 154,700 | 1427億3366万 | +0.75% |
| 08/06 | 3,335 | 3,370 | 3,250 | 3,290 | -1.35% | 94,100 | 1456億1046万 | +2.72% |
| 08/05 | （5%ルール）NGK（17.5%） |
| 08/05 | 3,235 | 3,350 | 3,235 | 3,335 | +3.09% | 126,300 | 1476億209万 | +4.06% |
| 08/04 | 3,140 | 3,270 | 3,140 | 3,235 | +3.52% | 213,000 | 1431億7624万 | +0.94% |
| 08/03 | 3,080 | 3,150 | 3,000 | 3,125 | +1.3% | 180,500 | 1383億781万 | -2.68% |
| 07/31 | 3,150 | 3,155 | 3,030 | 3,085 | +0.98% | 190,400 | 1365億3747万 | -4.46% |
| 07/30 | 2,940 | 3,070 | 2,838 | 3,055 | -0.33% | 507,300 | 1352億971万 | -5.94% |
| 07/29 | （IR情報）15:30 2027年3月期第1四半期決算説明資料 |
| 07/29 | （IR情報）15:30 2027年3月期第1四半期決算短信〔日本基準〕(連結) |
| 07/29 | 3,100 | 3,115 | 2,996 | 3,065 | 0% | 268,200 | 1356億5230万 | -6.15% |
| 07/28 | 3,175 | 3,180 | 3,065 | 3,065 | -4.96% | 175,600 | 1356億5230万 | -6.67% |
| 07/27 | 3,200 | 3,225 | 3,140 | 3,225 | +1.42% | 124,500 | 1427億3366万 | -2.36% |
| 07/24 | 3,195 | 3,205 | 3,165 | 3,180 | -1.55% | 98,600 | 1407億4203万 | -3.99% |
| 07/23 | 3,210 | 3,245 | 3,200 | 3,230 | +0.62% | 84,300 | 1429億5495万 | -2.8% |
| 07/22 | （IR情報）15:30 譲渡制限付株式報酬としての自己株式の処分の払込完了に関するお知らせ |
| 07/22 | 3,230 | 3,250 | 3,205 | 3,210 | +1.26% | 105,200 | 1420億6978万 | -3.6% |
| 07/21 | 3,135 | 3,185 | 3,100 | 3,170 | +1.6% | 108,400 | 1402億9944万 | -4.98% |
| 07/17 | 3,150 | 3,160 | 3,040 | 3,120 | -2.5% | 158,900 | 1380億8652万 | -6.64% |
| 07/16 | 3,215 | 3,230 | 3,180 | 3,200 | -0.93% | 115,800 | 1416億2720万 | -4.28% |
| 07/15 | 3,200 | 3,240 | 3,175 | 3,230 | +1.73% | 83,600 | 1429億5495万 | -3.26% |
| 07/14 | 3,190 | 3,210 | 3,160 | 3,175 | -0.94% | 104,900 | 1405億2073万 | -4.83% |
| 07/13 | 3,275 | 3,290 | 3,180 | 3,205 | -0.93% | 72,800 | 1418億4849万 | -3.96% |
| 07/10 | 3,295 | 3,315 | 3,220 | 3,235 | -0.77% | 91,100 | 1431億7624万 | -3.09% |
| 07/09 | 3,215 | 3,290 | 3,210 | 3,260 | +2.52% | 158,700 | 1442億8271万 | -2.4% |
| 07/08 | 3,250 | 3,260 | 3,175 | 3,180 | -2.6% | 105,300 | 1407億4203万 | -4.79% |
| 07/07 | 3,350 | 3,370 | 3,265 | 3,265 | -1.8% | 119,800 | 1445億400万 | -2.36% |
| 07/06 | 3,340 | 3,370 | 3,310 | 3,325 | 0% | 96,900 | 1471億5951万 | -0.57% |
| 07/03 | 3,320 | 3,340 | 3,260 | 3,325 | +1.22% | 82,700 | 1471億5951万 | -0.6% |
| 07/02 | 3,350 | 3,370 | 3,285 | 3,285 | -1.94% | 96,600 | 1453億8917万 | -2.06% |
| 07/01 | 3,350 | 3,385 | 3,320 | 3,350 | +0.75% | 95,800 | 1482億6597万 | -0.09% |
| 06/30 | 3,410 | 3,420 | 3,310 | 3,325 | -2.06% | 112,900 | 1471億5951万 | -0.72% |
| 06/29 | 3,575 | 3,600 | 3,345 | 3,395 | -4.9% | 168,400 | 1502億5760万 | +1.37% |
| 06/26 | 3,570 | 3,595 | 3,535 | 3,570 | +0.28% | 118,700 | 1580億284万 | +6.76% |
| 06/25 | 3,600 | 3,615 | 3,555 | 3,560 | +1.57% | 142,600 | 1575億6026万 | +6.84% |
| 06/24 | 3,465 | 3,555 | 3,455 | 3,505 | -0.28% | 146,700 | 1551億2604万 | +5.57% |
| 06/23 | （IR情報）15:30 譲渡制限付株式報酬としての自己株式の処分に関するお知らせ |
| 06/23 | （IR情報）15:30 支配株主等に関する事項について(2026年3月期) |
| 06/23 | （IR情報）15:30 役員人事に関するお知らせ |
| 06/23 | 3,565 | 3,585 | 3,480 | 3,515 | -0.57% | 123,400 | 1555億6862万 | +6.19% |
| 06/22 | 3,475 | 3,535 | 3,460 | 3,535 | +2.32% | 109,600 | 1564億5379万 | +7.12% |
| 06/19 | 3,490 | 3,540 | 3,450 | 3,455 | 0% | 130,900 | 1529億1311万 | +4.92% |
| 06/18 | 3,435 | 3,485 | 3,435 | 3,455 | +1.32% | 95,300 | 1529億1311万 | +4.82% |
| 06/17 | 3,365 | 3,435 | 3,350 | 3,410 | +2.1% | 90,900 | 1509億2148万 | +3.49% |
| 06/16 | 3,375 | 3,380 | 3,320 | 3,340 | +0.3% | 69,800 | 1478億2339万 | +1.33% |
| 06/15 | 3,205 | 3,330 | 3,205 | 3,330 | +5.88% | 128,000 | 1473億8080万 | +0.97% |
| 06/12 | 3,145 | 3,185 | 3,130 | 3,145 | +1.29% | 118,400 | 1391億9298万 | -4.75% |
| 06/11 | 3,110 | 3,125 | 3,045 | 3,105 | -1.43% | 105,300 | 1374億2264万 | -6.31% |
| 06/10 | 3,205 | 3,235 | 3,125 | 3,150 | -1.41% | 162,000 | 1394億1427万 | -5.32% |
| 06/09 | 3,245 | 3,265 | 3,170 | 3,195 | -1.39% | 192,400 | 1414億590万 | -4.23% |
| 06/08 | 3,200 | 3,255 | 3,190 | 3,240 | -1.37% | 139,600 | 1433億9754万 | -3.11% |
| 06/05 | 3,290 | 3,320 | 3,280 | 3,285 | +1.08% | 65,400 | 1453億8917万 | -1.97% |
| 06/04 | 3,280 | 3,300 | 3,235 | 3,250 | -0.91% | 71,200 | 1438億4012万 | -2.99% |
| 06/03 | 3,275 | 3,325 | 3,265 | 3,280 | +0.31% | 89,800 | 1451億6788万 | -2.53% |
| 06/02 | 3,320 | 3,320 | 3,205 | 3,270 | -2.24% | 216,800 | 1447億2529万 | -3.17% |
| 06/01 | 3,485 | 3,490 | 3,345 | 3,345 | -5.91% | 225,100 | 1480億4468万 | -1.36% |
| 05/29 | 3,525 | 3,675 | 3,525 | 3,555 | +9.38% | 376,000 | 1573億3896万 | +4.41% |
| 05/28 | 3,245 | 3,275 | 3,200 | 3,250 | -0.46% | 128,000 | 1438億4012万 | -4.72% |
| 05/27 | 3,320 | 3,345 | 3,225 | 3,265 | -1.66% | 79,000 | 1445億400万 | -4.78% |
| 05/26 | 3,270 | 3,330 | 3,250 | 3,320 | +1.37% | 80,700 | 1469億3822万 | -3.66% |
| 05/25 | 3,305 | 3,350 | 3,265 | 3,275 | +0.31% | 107,500 | 1449億4658万 | -5.35% |
| 05/22 | 3,295 | 3,310 | 3,235 | 3,265 | -0.15% | 109,700 | 1445億400万 | -6.12% |
| 05/21 | 3,300 | 3,305 | 3,255 | 3,270 | +1.08% | 80,700 | 1447億2529万 | -6.36% |
| 05/20 | 3,265 | 3,270 | 3,195 | 3,235 | -1.52% | 157,300 | 1431億7624万 | -7.78% |
| 05/19 | （IR情報）15:30 剰余金の配当(期末配当)に関するお知らせ |
| 05/19 | 3,380 | 3,410 | 3,260 | 3,285 | -2.23% | 152,200 | 1453億8917万 | -6.86% |
| 05/18 | 3,490 | 3,490 | 3,335 | 3,360 | -4.41% | 137,800 | 1487億856万 | -5.19% |
| 05/15 | 3,465 | 3,545 | 3,450 | 3,515 | +2.48% | 152,600 | 1555億6862万 | -1.04% |
| 05/14 | 3,440 | 3,455 | 3,410 | 3,430 | -0.29% | 81,000 | 1518億665万 | -3.52% |
| 05/13 | 3,395 | 3,475 | 3,380 | 3,440 | +1.62% | 113,900 | 1522億4924万 | -3.37% |
| 05/12 | 3,385 | 3,420 | 3,345 | 3,385 | -1.6% | 204,500 | 1498億1502万 | -5% |
| 05/11 | 3,440 | 3,465 | 3,415 | 3,440 | 0% | 146,800 | 1522億4924万 | -3.72% |
| 05/08 | 3,430 | 3,470 | 3,370 | 3,440 | +0.15% | 186,900 | 1522億4924万 | -3.7% |
| 05/07 | 3,435 | 3,480 | 3,400 | 3,435 | +2.08% | 166,200 | 1520億2794万 | -3.81% |
| 05/01 | 3,410 | 3,440 | 3,355 | 3,365 | -0.74% | 261,100 | 1489億2985万 | -5.87% |
| 04/30 | 3,360 | 3,435 | 3,325 | 3,390 | -0.73% | 216,900 | 1500億3631万 | -5.33% |
| 04/28 | 3,325 | 3,420 | 3,315 | 3,415 | +4.43% | 296,300 | 1511億4277万 | -4.8% |
| 04/27 | 3,410 | 3,410 | 3,255 | 3,270 | -9.67% | 601,500 | 1447億2529万 | -8.86% |
| 04/24 | （IR情報）15:30 2026年3月期決算説明資料 |
| 04/24 | （IR情報）15:30 2026年3月期決算短信〔日本基準〕(連結) |
| 04/24 | 3,665 | 3,695 | 3,580 | 3,620 | +0.84% | 223,400 | 1602億1577万 | +0.81% |
| 04/23 | 3,625 | 3,645 | 3,545 | 3,590 | -0.83% | 109,500 | 1588億8801万 | +0.03% |
| 04/22 | 3,690 | 3,690 | 3,610 | 3,620 | -1.9% | 84,800 | 1602億1577万 | +0.64% |
| 04/21 | 3,685 | 3,705 | 3,640 | 3,690 | -0.4% | 87,700 | 1633億1386万 | +2.56% |
| 04/20 | 3,735 | 3,735 | 3,680 | 3,705 | 0% | 85,800 | 1639億7774万 | +3% |
| 04/17 | 3,720 | 3,730 | 3,685 | 3,705 | +0.54% | 104,900 | 1639億7774万 | +3.03% |
| 04/16 | 3,665 | 3,715 | 3,665 | 3,685 | +0.27% | 125,800 | 1630億9257万 | +2.5% |
| 04/15 | 3,720 | 3,755 | 3,645 | 3,675 | -0.94% | 133,100 | 1626億4998万 | +2.11% |
| 04/14 | 3,700 | 3,730 | 3,670 | 3,710 | +2.2% | 93,400 | 1641億9903万 | +3.08% |
| 04/13 | 3,660 | 3,705 | 3,595 | 3,630 | -1.22% | 69,800 | 1606億5835万 | +1% |
| 04/10 | 3,750 | 3,775 | 3,655 | 3,675 | -0.81% | 85,900 | 1626億4998万 | +2.05% |
| 04/09 | 3,720 | 3,750 | 3,680 | 3,705 | 0% | 95,900 | 1639億7774万 | +2.72% |
| 04/08 | 3,740 | 3,740 | 3,690 | 3,705 | +3.93% | 122,200 | 1639億7774万 | +2.75% |
| 04/07 | 3,580 | 3,610 | 3,550 | 3,565 | -0.7% | 73,500 | 1577億8155万 | -1.38% |
| 04/06 | 3,555 | 3,600 | 3,550 | 3,590 | +0.98% | 67,000 | 1588億8801万 | -1.35% |
| 04/03 | （5%ルール）NGK（19.48%） |
| 04/03 | 3,530 | 3,585 | 3,530 | 3,555 | +1.14% | 107,500 | 1573億3896万 | -2.95% |
| 04/02 | 3,600 | 3,635 | 3,500 | 3,515 | -3.43% | 203,700 | 1555億6862万 | -4.59% |
| 04/01 | 3,515 | 3,640 | 3,500 | 3,640 | +7.06% | 163,000 | 1611億94万 | -1.86% |
| 03/31 | 3,355 | 3,450 | 3,350 | 3,400 | -0.29% | 134,200 | 1504億7890万 | -8.82% |
| 03/30 | （IR情報）15:30 役員人事の内定および執行役員人事に関するお知らせ |
| 03/30 | 3,345 | 3,435 | 3,325 | 3,410 | -3.54% | 131,800 | 1509億2148万 | -9.16% |
| 03/27 | 3,460 | 3,555 | 3,425 | 3,535 | +0.43% | 145,900 | 1564億5379万 | -6.46% |
| 03/25 | （IR情報）15:30 水道機工株式会社株式に対する公開買付けの結果及び持分法適用関連会社の異動に関するお知らせ |
10年以上蓄積したファイナンスデータとAIを掛け合わせて、投資の意思決定を加速させるポジションです。
