| 2026 |
| 10/02 | 3,065 | 3,080 | 3,020 | 3,050 | -0.49% | 100,200 | - | -1.74% |
| 10/01 | 3,075 | 3,090 | 3,045 | 3,065 | -0.97% | 84,700 | - | -1.38% |
| 09/30 | 3,075 | 3,105 | 3,075 | 3,095 | +1.31% | 75,400 | - | -0.48% |
| 09/29 | 3,080 | 3,085 | 3,035 | 3,055 | -2.71% | 99,300 | - | -1.77% |
| 09/28 | 3,175 | 3,175 | 3,140 | 3,140 | +0.16% | 78,900 | - | +0.93% |
| 09/25 | 3,160 | 3,175 | 3,125 | 3,135 | -0.95% | 92,000 | - | +0.9% |
| 09/24 | 3,095 | 3,175 | 3,095 | 3,165 | +2.76% | 88,600 | - | +1.83% |
| 09/18 | 3,135 | 3,150 | 3,080 | 3,080 | -1.44% | 251,700 | - | -1% |
| 09/17 | 3,115 | 3,140 | 3,100 | 3,125 | +0.97% | 58,900 | - | +0.29% |
| 09/16 | 3,060 | 3,115 | 3,060 | 3,095 | +1.14% | 60,300 | - | -0.77% |
| 09/15 | 3,025 | 3,075 | 3,020 | 3,060 | +0.33% | 62,200 | - | -1.99% |
| 09/14 | 3,005 | 3,050 | 2,992 | 3,050 | +0.83% | 103,500 | - | -2.46% |
| 09/11 | 3,000 | 3,030 | 2,987 | 3,025 | -1.31% | 114,000 | - | -3.48% |
| 09/10 | 3,085 | 3,100 | 3,035 | 3,065 | -1.45% | 78,400 | - | -2.54% |
| 09/09 | 3,075 | 3,120 | 3,075 | 3,110 | +0.48% | 68,000 | - | -1.46% |
| 09/08 | 3,155 | 3,155 | 3,095 | 3,095 | -2.98% | 97,500 | - | -2.09% |
| 09/07 | 3,155 | 3,210 | 3,155 | 3,190 | +0.63% | 112,000 | - | +0.89% |
| 09/04 | 3,155 | 3,205 | 3,145 | 3,170 | +3.43% | 197,500 | - | +0.38% |
| 09/03 | 3,055 | 3,075 | 3,040 | 3,065 | +0.49% | 80,500 | - | -2.79% |
| 09/02 | 3,100 | 3,105 | 3,040 | 3,050 | -3.48% | 107,300 | - | -3.27% |
| 09/01 | 3,100 | 3,160 | 3,080 | 3,160 | +1.12% | 101,800 | - | +0.19% |
| 08/31 | 3,110 | 3,145 | 3,065 | 3,125 | -0.16% | 117,300 | - | -0.98% |
| 08/28 | 3,150 | 3,165 | 3,120 | 3,130 | -0.79% | 75,200 | - | -0.92% |
| 08/27 | 3,140 | 3,165 | 3,120 | 3,155 | +0.48% | 63,000 | - | -0.25% |
| 08/26 | 3,130 | 3,155 | 3,125 | 3,140 | -0.16% | 62,800 | - | -0.79% |
| 08/25 | 3,110 | 3,145 | 3,085 | 3,145 | +0.8% | 70,400 | - | -0.66% |
| 08/24 | 3,100 | 3,145 | 3,070 | 3,120 | +0.32% | 77,700 | - | -1.42% |
| 08/21 | 3,050 | 3,130 | 3,050 | 3,110 | +0.97% | 79,900 | - | -1.83% |
| 08/20 | 3,050 | 3,095 | 3,035 | 3,080 | +1.99% | 99,700 | - | -2.93% |
| 08/19 | 3,150 | 3,160 | 3,015 | 3,020 | -4.58% | 144,000 | - | -4.94% |
| 08/18 | 3,215 | 3,245 | 3,165 | 3,165 | -2.31% | 92,900 | - | -0.6% |
| 08/17 | 3,230 | 3,265 | 3,215 | 3,240 | +0.62% | 100,200 | - | +1.66% |
| 08/14 | 3,205 | 3,225 | 3,170 | 3,220 | +0.63% | 70,600 | - | +1% |
| 08/13 | 3,190 | 3,220 | 3,170 | 3,200 | +1.27% | 105,800 | - | +0.44% |
| 08/12 | 3,195 | 3,195 | 3,120 | 3,160 | -1.1% | 164,400 | - | -0.91% |
| 08/10 | 3,170 | 3,205 | 3,085 | 3,195 | -0.93% | 154,700 | - | 0% |
| 08/07 | 3,245 | 3,270 | 3,210 | 3,225 | -1.98% | 154,700 | - | +0.75% |
| 08/06 | 3,335 | 3,370 | 3,250 | 3,290 | -1.35% | 94,100 | - | +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 | - | +4.06% |
| 08/04 | 3,140 | 3,270 | 3,140 | 3,235 | +3.52% | 213,000 | - | +0.94% |
| 08/03 | 3,080 | 3,150 | 3,000 | 3,125 | +1.3% | 180,500 | - | -2.68% |
| 07/31 | 3,150 | 3,155 | 3,030 | 3,085 | +0.98% | 190,400 | - | -4.46% |
| 07/30 | 2,940 | 3,070 | 2,838 | 3,055 | -0.33% | 507,300 | - | -5.94% |
| 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 | (IR情報)15:30 2027年3月期第1四半期決算説明資料 |
| 07/29 | 3,100 | 3,115 | 2,996 | 3,065 | 0% | 268,200 | - | -6.15% |
| 07/28 | 3,175 | 3,180 | 3,065 | 3,065 | -4.96% | 175,600 | - | -6.67% |
| 07/27 | 3,200 | 3,225 | 3,140 | 3,225 | +1.42% | 124,500 | - | -2.36% |
| 07/24 | 3,195 | 3,205 | 3,165 | 3,180 | -1.55% | 98,600 | - | -3.99% |
| 07/23 | 3,210 | 3,245 | 3,200 | 3,230 | +0.62% | 84,300 | - | -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 | - | -3.6% |
| 07/21 | 3,135 | 3,185 | 3,100 | 3,170 | +1.6% | 108,400 | - | -4.98% |
| 07/17 | 3,150 | 3,160 | 3,040 | 3,120 | -2.5% | 158,900 | - | -6.64% |
| 07/16 | 3,215 | 3,230 | 3,180 | 3,200 | -0.93% | 115,800 | - | -4.28% |
| 07/15 | 3,200 | 3,240 | 3,175 | 3,230 | +1.73% | 83,600 | - | -3.26% |
| 07/14 | 3,190 | 3,210 | 3,160 | 3,175 | -0.94% | 104,900 | - | -4.83% |
| 07/13 | 3,275 | 3,290 | 3,180 | 3,205 | -0.93% | 72,800 | - | -3.96% |
| 07/10 | 3,295 | 3,315 | 3,220 | 3,235 | -0.77% | 91,100 | - | -3.09% |
| 07/09 | 3,215 | 3,290 | 3,210 | 3,260 | +2.52% | 158,700 | - | -2.4% |
| 07/08 | 3,250 | 3,260 | 3,175 | 3,180 | -2.6% | 105,300 | - | -4.79% |
| 07/07 | 3,350 | 3,370 | 3,265 | 3,265 | -1.8% | 119,800 | - | -2.36% |
| 07/06 | 3,340 | 3,370 | 3,310 | 3,325 | 0% | 96,900 | - | -0.57% |
| 07/03 | 3,320 | 3,340 | 3,260 | 3,325 | +1.22% | 82,700 | - | -0.6% |
| 07/02 | 3,350 | 3,370 | 3,285 | 3,285 | -1.94% | 96,600 | - | -2.06% |
| 07/01 | 3,350 | 3,385 | 3,320 | 3,350 | +0.75% | 95,800 | - | -0.09% |
| 06/30 | 3,410 | 3,420 | 3,310 | 3,325 | -2.06% | 112,900 | - | -0.72% |
| 06/29 | 3,575 | 3,600 | 3,345 | 3,395 | -4.9% | 168,400 | - | +1.37% |
| 06/26 | 3,570 | 3,595 | 3,535 | 3,570 | +0.28% | 118,700 | - | +6.76% |
| 06/25 | 3,600 | 3,615 | 3,555 | 3,560 | +1.57% | 142,600 | - | +6.84% |
| 06/24 | 3,465 | 3,555 | 3,455 | 3,505 | -0.28% | 146,700 | - | +5.57% |
| 06/23 | (IR情報)15:30 役員人事に関するお知らせ |
| 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 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 | 3,565 | 3,585 | 3,480 | 3,515 | -0.57% | 123,400 | - | +6.19% |
| 06/22 | 3,475 | 3,535 | 3,460 | 3,535 | +2.32% | 109,600 | - | +7.12% |
| 06/19 | 3,490 | 3,540 | 3,450 | 3,455 | 0% | 130,900 | - | +4.92% |
| 06/18 | 3,435 | 3,485 | 3,435 | 3,455 | +1.32% | 95,300 | - | +4.82% |
| 06/17 | 3,365 | 3,435 | 3,350 | 3,410 | +2.1% | 90,900 | - | +3.49% |
| 06/16 | 3,375 | 3,380 | 3,320 | 3,340 | +0.3% | 69,800 | - | +1.33% |
| 06/15 | 3,205 | 3,330 | 3,205 | 3,330 | +5.88% | 128,000 | - | +0.97% |
| 06/12 | 3,145 | 3,185 | 3,130 | 3,145 | +1.29% | 118,400 | - | -4.75% |
| 06/11 | 3,110 | 3,125 | 3,045 | 3,105 | -1.43% | 105,300 | - | -6.31% |
| 06/10 | 3,205 | 3,235 | 3,125 | 3,150 | -1.41% | 162,000 | - | -5.32% |
| 06/09 | 3,245 | 3,265 | 3,170 | 3,195 | -1.39% | 192,400 | - | -4.23% |
| 06/08 | 3,200 | 3,255 | 3,190 | 3,240 | -1.37% | 139,600 | - | -3.11% |
| 06/05 | 3,290 | 3,320 | 3,280 | 3,285 | +1.08% | 65,400 | - | -1.97% |
| 06/04 | 3,280 | 3,300 | 3,235 | 3,250 | -0.91% | 71,200 | - | -2.99% |
| 06/03 | 3,275 | 3,325 | 3,265 | 3,280 | +0.31% | 89,800 | - | -2.53% |
| 06/02 | 3,320 | 3,320 | 3,205 | 3,270 | -2.24% | 216,800 | - | -3.17% |
| 06/01 | 3,485 | 3,490 | 3,345 | 3,345 | -5.91% | 225,100 | - | -1.36% |
| 05/29 | 3,525 | 3,675 | 3,525 | 3,555 | +9.38% | 376,000 | - | +4.41% |
| 05/28 | 3,245 | 3,275 | 3,200 | 3,250 | -0.46% | 128,000 | - | -4.72% |
| 05/27 | 3,320 | 3,345 | 3,225 | 3,265 | -1.66% | 79,000 | - | -4.78% |
| 05/26 | 3,270 | 3,330 | 3,250 | 3,320 | +1.37% | 80,700 | - | -3.66% |
| 05/25 | 3,305 | 3,350 | 3,265 | 3,275 | +0.31% | 107,500 | - | -5.35% |
| 05/22 | 3,295 | 3,310 | 3,235 | 3,265 | -0.15% | 109,700 | - | -6.12% |
| 05/21 | 3,300 | 3,305 | 3,255 | 3,270 | +1.08% | 80,700 | - | -6.36% |
| 05/20 | 3,265 | 3,270 | 3,195 | 3,235 | -1.52% | 157,300 | - | -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 | - | -6.86% |
| 05/18 | 3,490 | 3,490 | 3,335 | 3,360 | -4.41% | 137,800 | - | -5.19% |
| 05/15 | 3,465 | 3,545 | 3,450 | 3,515 | +2.48% | 152,600 | - | -1.04% |
| 05/14 | 3,440 | 3,455 | 3,410 | 3,430 | -0.29% | 81,000 | - | -3.52% |
| 05/13 | 3,395 | 3,475 | 3,380 | 3,440 | +1.62% | 113,900 | - | -3.37% |
| 05/12 | 3,385 | 3,420 | 3,345 | 3,385 | -1.6% | 204,500 | - | -5% |
| 05/11 | 3,440 | 3,465 | 3,415 | 3,440 | 0% | 146,800 | - | -3.72% |