| 2018 |
| 11/02 | 2,300 | 2,415 | 2,265 | 2,393 | +4.7% | 231,400 | 603億3262万 | +1.51% |
| 11/01 | 2,168 | 2,298 | 2,118 | 2,285 | +0.55% | 156,400 | 576億2175万 | -3.55% |
| 10/31 | 2,243 | 2,280 | 2,150 | 2,273 | +8.09% | 203,000 | 573億654万 | -4.96% |
| 10/30 | 1,910 | 2,108 | 1,873 | 2,103 | +12.13% | 240,200 | 530億1958万 | -12.87% |
| 10/29 | 1,933 | 2,000 | 1,870 | 1,875 | -3.35% | 123,000 | 472億8262万 | -23.16% |
| 10/26 | 2,040 | 2,083 | 1,900 | 1,940 | -1.52% | 103,000 | 489億2175万 | -21.68% |
| 10/25 | 2,115 | 2,133 | 1,963 | 1,970 | -9.84% | 179,200 | 496億7827万 | -21.76% |
| 10/24 | 2,245 | 2,258 | 2,180 | 2,185 | -2.46% | 93,200 | 551億1万 | -14.35% |
| 10/23 | 2,300 | 2,328 | 2,225 | 2,240 | -2.61% | 64,200 | 564億8697万 | -12.98% |
| 10/22 | 2,258 | 2,313 | 2,225 | 2,300 | -0.11% | 84,200 | 580億2万 | -11.2% |
| 10/19 | 2,315 | 2,345 | 2,293 | 2,303 | -2.95% | 80,600 | 580億6306万 | -11.65% |
| 10/18 | 2,420 | 2,425 | 2,335 | 2,373 | -1.96% | 67,000 | 598億2828万 | -9.65% |
| 10/17 | 2,358 | 2,428 | 2,358 | 2,420 | +4.2% | 108,600 | 610億2610万 | -8.47% |
| 10/16 | 2,305 | 2,333 | 2,220 | 2,323 | +0.11% | 117,800 | 585億6741万 | -12.72% |
| 10/15 | 2,348 | 2,385 | 2,305 | 2,320 | -2.11% | 67,200 | 585億436万 | -13.59% |
| 10/12 | 2,270 | 2,398 | 2,270 | 2,370 | +2.6% | 112,800 | 597億6523万 | -12.61% |
| 10/11 | 2,253 | 2,340 | 2,253 | 2,310 | -3.65% | 149,200 | 582億5219万 | -15.57% |
| 10/10 | 2,435 | 2,435 | 2,345 | 2,398 | -0.83% | 154,400 | 604億5871万 | -13.2% |
| 10/09 | 2,530 | 2,530 | 2,380 | 2,418 | -6.12% | 256,000 | 609億6306万 | -13.2% |
| 10/05 | 2,675 | 2,675 | 2,555 | 2,575 | -4.81% | 190,400 | 649億3480万 | -8.33% |
| 10/04 | 2,715 | 2,715 | 2,610 | 2,705 | +1.5% | 95,000 | 682億1306万 | -4.15% |
| 10/03 | 2,690 | 2,695 | 2,630 | 2,665 | -0.74% | 87,200 | 672億437万 | -5.8% |
| 10/02 | 2,755 | 2,760 | 2,675 | 2,685 | -2.72% | 102,400 | 677億871万 | -5.29% |
| 10/01 | 2,750 | 2,795 | 2,735 | 2,760 | +1.1% | 61,000 | 696億2万 | -2.65% |
| 09/28 | 2,765 | 2,765 | 2,700 | 2,730 | +1.11% | 79,000 | 688億4350万 | -3.6% |
| 09/27 | 2,820 | 2,820 | 2,700 | 2,700 | -4.76% | 100,000 | 680億8698万 | -4.53% |
| 09/26 | 2,795 | 2,850 | 2,775 | 2,835 | +0.18% | 53,400 | 714億9132万 | +0.43% |
| 09/25 | 2,785 | 2,840 | 2,735 | 2,830 | +1.98% | 97,600 | 713億6524万 | +0.68% |
| 09/21 | 2,810 | 2,845 | 2,735 | 2,775 | -0.36% | 133,800 | 699億7828万 | -1.14% |
| 09/20 | 2,980 | 2,985 | 2,770 | 2,785 | -6.07% | 114,200 | 701億4133万 | -0.64% |
| 09/19 | 2,850 | 2,965 | 2,795 | 2,965 | +5.52% | 166,400 | 746億7471万 | +5.7% |
| 09/18 | 2,705 | 2,825 | 2,705 | 2,810 | +2.37% | 85,200 | 707億7097万 | +0.11% |
| 09/14 | 2,650 | 2,765 | 2,635 | 2,745 | +3.78% | 105,000 | 691億3392万 | -2.63% |
| 09/13 | 2,635 | 2,690 | 2,580 | 2,645 | -2.22% | 169,000 | 666億1538万 | -6.83% |
| 09/12 | 2,800 | 2,810 | 2,615 | 2,705 | -3.91% | 129,200 | 681億2650万 | -5.58% |
| 09/11 | 2,810 | 2,860 | 2,790 | 2,815 | -0.18% | 47,400 | 708億9690万 | -2.53% |
| 09/10 | 11:30 2018年12月期第2四半期決算説明会資料 |
| 09/10 | 2,825 | 2,870 | 2,795 | 2,820 | -0.18% | 56,400 | 710億2282万 | -2.79% |
| 09/07 | 2,860 | 2,860 | 2,750 | 2,825 | -4.07% | 79,000 | 711億4875万 | -3.09% |
| 09/06 | 2,935 | 2,980 | 2,835 | 2,945 | -1.34% | 63,600 | 741億7100万 | +0.17% |
| 09/05 | 2,975 | 3,050 | 2,970 | 2,985 | +0.34% | 63,800 | 751億7841万 | +0.88% |
| 09/04 | 2,935 | 2,980 | 2,935 | 2,975 | +0.85% | 41,400 | 749億2656万 | -0.03% |
| 09/03 | 2,970 | 2,970 | 2,830 | 2,950 | -0.67% | 83,200 | 742億9693万 | -1.37% |
| 08/31 | 2,985 | 3,020 | 2,960 | 2,970 | -2.14% | 70,000 | 748億63万 | -1.13% |
| 08/30 | 2,940 | 3,040 | 2,905 | 3,035 | +5.02% | 142,000 | 764億3768万 | +0.6% |
| 08/29 | 2,850 | 2,920 | 2,850 | 2,890 | +0.35% | 43,200 | 727億8580万 | -4.59% |
| 08/28 | 2,835 | 2,920 | 2,830 | 2,880 | +2.67% | 126,000 | 725億3395万 | -5.33% |
| 08/27 | 2,730 | 2,865 | 2,720 | 2,805 | +3.7% | 106,000 | 706億4504万 | -8.3% |
| 08/24 | 2,665 | 2,725 | 2,640 | 2,705 | +1.12% | 49,400 | 681億2650万 | -11.98% |
| 08/23 | 2,625 | 2,710 | 2,615 | 2,675 | +1.9% | 68,400 | 673億7094万 | -13.43% |
| 08/22 | 2,560 | 2,640 | 2,555 | 2,625 | +1.35% | 89,600 | 661億1167万 | -15.57% |
| 08/21 | 2,525 | 2,600 | 2,505 | 2,590 | +2.37% | 92,600 | 650億1469万 | -17.17% |
| 08/20 | 2,680 | 2,695 | 2,525 | 2,530 | -6.99% | 185,000 | 635億856万 | -19.61% |
| 08/17 | 2,700 | 2,735 | 2,630 | 2,720 | +1.49% | 139,600 | 682億7798万 | -14.2% |
| 08/16 | 2,790 | 2,790 | 2,645 | 2,680 | -5.3% | 204,200 | 672億7389万 | -15.83% |
| 08/15 | 3,045 | 3,055 | 2,810 | 2,830 | -6.6% | 160,800 | 710億3922万 | -11.53% |
| 08/14 | 3,085 | 3,175 | 2,965 | 3,030 | -2.42% | 123,400 | 760億5966万 | -5.43% |
| 08/13 | 3,225 | 3,225 | 3,065 | 3,105 | -3.87% | 129,200 | 779億4233万 | -2.91% |
| 08/10 | 15:00 平成30年12月期第2四半期決算短信[日本基準](連結) |
| 08/10 | 15:00 プライムシリコンウェーハ製造販売事業の新会社設立ならびに工場移設先決定に関するお知らせ |
| 08/10 | 15:00 平成30年12月期第2四半期決算説明資料 |
| 08/10 | 3,350 | 3,350 | 3,205 | 3,230 | -2.42% | 94,200 | 810億8010万 | +1.44% |
| 08/09 | 3,305 | 3,330 | 3,245 | 3,310 | +1.38% | 62,200 | 830億8828万 | +4.81% |
| 08/08 | 3,195 | 3,270 | 3,190 | 3,265 | +3.82% | 92,000 | 819億5868万 | +4.28% |
| 08/07 | 3,135 | 3,245 | 3,125 | 3,145 | -1.26% | 103,600 | 789億4641万 | +1.06% |
| 08/06 | 3,455 | 3,465 | 3,160 | 3,185 | -7.14% | 222,200 | 799億5050万 | +2.81% |
| 08/03 | 15:15 平成30年12月期第2四半期連結累計期間の業績予想の修正に関するお知らせ |
| 08/03 | 3,450 | 3,470 | 3,345 | 3,430 | +0.15% | 96,000 | 861億54万 | +11.18% |
| 08/02 | 3,415 | 3,460 | 3,395 | 3,425 | +0.44% | 94,800 | 859億7503万 | +12.04% |
| 08/01 | 3,385 | 3,420 | 3,315 | 3,410 | +1.49% | 94,800 | 855億9850万 | +12.47% |
| 07/31 | 3,285 | 3,375 | 3,250 | 3,360 | +2.91% | 89,000 | 843億4339万 | +11.81% |
| 07/30 | 3,260 | 3,330 | 3,240 | 3,265 | -1.36% | 120,200 | 819億5868万 | +9.6% |
| 07/27 | 3,350 | 3,365 | 3,255 | 3,310 | -0.45% | 68,000 | 830億8828万 | +11.75% |
| 07/26 | 3,255 | 3,340 | 3,240 | 3,325 | +3.74% | 141,400 | 834億6481万 | +12.94% |
| 07/25 | 3,285 | 3,285 | 3,185 | 3,205 | -3.03% | 70,400 | 804億5255万 | +9.57% |
| 07/24 | 3,245 | 3,330 | 3,215 | 3,305 | +4.26% | 148,400 | 829億6277万 | +13.46% |
| 07/23 | 3,070 | 3,200 | 3,070 | 3,170 | +1.6% | 99,400 | 795億2325万 | +9.27% |
| 07/20 | 3,165 | 3,165 | 3,085 | 3,120 | -1.42% | 59,800 | 782億6894万 | +7.62% |
| 07/19 | 3,070 | 3,200 | 3,070 | 3,165 | +3.26% | 111,600 | 793億9782万 | +9.03% |
| 07/18 | 16:30 SBI AI&Blockchainファンドへの出資に関するお知らせ |
| 07/18 | 3,080 | 3,180 | 3,030 | 3,065 | -0.49% | 86,000 | 768億8920万 | +5.36% |
| 07/17 | 3,135 | 3,135 | 3,040 | 3,080 | -0.81% | 83,200 | 772億6549万 | +5.7% |
| 07/13 | 3,125 | 3,160 | 3,090 | 3,105 | +0.49% | 93,600 | 778億9265万 | +6.55% |
| 07/12 | 3,035 | 3,110 | 2,955 | 3,090 | +1.48% | 139,600 | 775億1635万 | +5.89% |
| 07/11 | 2,945 | 3,105 | 2,860 | 3,045 | +3.4% | 190,000 | 763億8747万 | +4.32% |
| 07/10 | 2,895 | 2,975 | 2,865 | 2,945 | +2.08% | 157,200 | 738億7885万 | +0.79% |
| 07/09 | 2,770 | 2,900 | 2,715 | 2,885 | +4.72% | 103,800 | 723億7368万 | -1.6% |
| 07/06 | 2,650 | 2,755 | 2,615 | 2,755 | +6.17% | 113,200 | 691億1248万 | -6.45% |
| 07/05 | 2,650 | 2,685 | 2,580 | 2,595 | -1.33% | 156,200 | 650億9868万 | -12.42% |
| 07/04 | 2,730 | 2,745 | 2,615 | 2,630 | -5.4% | 147,400 | 659億7670万 | -12.04% |
| 07/03 | 2,845 | 2,895 | 2,755 | 2,780 | -0.54% | 60,200 | 697億3963万 | -7.7% |
| 07/02 | 2,850 | 2,935 | 2,785 | 2,795 | -2.1% | 100,000 | 701億1592万 | -7.82% |
| 06/29 | 2,785 | 2,880 | 2,780 | 2,855 | +4.39% | 144,600 | 716億2110万 | -6.55% |
| 06/28 | 2,800 | 2,800 | 2,660 | 2,735 | -2.67% | 126,800 | 686億1075万 | -11.06% |
| 06/27 | 2,730 | 2,845 | 2,730 | 2,810 | +2.93% | 99,800 | 704億9222万 | -9.35% |
| 06/26 | 2,650 | 2,750 | 2,650 | 2,730 | +0.37% | 175,800 | 684億8532万 | -12.61% |
| 06/25 | 2,770 | 2,820 | 2,715 | 2,720 | -3.55% | 90,000 | 682億3446万 | -13.79% |
| 06/22 | 2,810 | 2,890 | 2,780 | 2,820 | -1.91% | 138,200 | 707億4308万 | -11.4% |
| 06/21 | 2,810 | 2,955 | 2,780 | 2,875 | +1.41% | 162,600 | 721億2282万 | -10.32% |
| 06/20 | 2,865 | 2,890 | 2,665 | 2,835 | -2.74% | 355,400 | 711億1937万 | -12.07% |
| 06/19 | 2,970 | 3,040 | 2,820 | 2,915 | -2.67% | 324,200 | 731億2627万 | -10.06% |
| 06/18 | 3,125 | 3,155 | 2,960 | 2,995 | -4.62% | 231,600 | 751億3316万 | -8.1% |
| 06/15 | 3,200 | 3,230 | 3,130 | 3,140 | -2.48% | 183,800 | 787億7066万 | -4.3% |
| 06/14 | 3,270 | 3,320 | 3,210 | 3,220 | -2.87% | 131,800 | 807億7756万 | -2.34% |
| 06/13 | 3,235 | 3,320 | 3,220 | 3,315 | +4.08% | 228,000 | 831億6075万 | +0.27% |
| 06/12 | 3,085 | 3,195 | 3,085 | 3,185 | +3.24% | 103,000 | 798億9954万 | -3.81% |
