| 2026 |
| 03/06 | 2,893 | 2,979 | 2,874 | 2,970 | +1.05% | 161,600 | 1120億7527万 | +8.16% |
| 03/05 | 2,917 | 2,982 | 2,900 | 2,939 | +3.52% | 150,600 | 1109億546万 | +7.97% |
| 03/04 | 2,900 | 2,941 | 2,770 | 2,839 | -4.67% | 202,000 | 1071億3189万 | +5.07% |
| 03/04 | (空売り報告)Societe Generale 139,122株(0.36%)-0.31%義務消失 |
| 03/03 | (IR情報)11:00 「第12回 現場川柳」結果発表 |
| 03/03 | 3,175 | 3,195 | 2,962 | 2,978 | -6.35% | 254,000 | 1123億7716万 | +10.87% |
| 03/02 | 3,100 | 3,195 | 3,055 | 3,180 | -0.63% | 158,600 | 1199億9979万 | +19.19% |
| 02/27 | 3,095 | 3,200 | 3,040 | 3,200 | +3.39% | 180,900 | 1207億5450万 | +21.12% |
| 02/26 | 3,150 | 3,200 | 3,075 | 3,095 | -1.43% | 208,600 | 1167億9225万 | +18.45% |
| 02/25 | (5%ルール)Grantham, Mayo, Van Otterloo&Co.LLC(5%) |
| 02/25 | 3,030 | 3,190 | 2,981 | 3,140 | +3.97% | 268,800 | 1184億9036万 | +21.33% |
| 02/24 | 2,951 | 3,050 | 2,932 | 3,020 | +3.99% | 236,500 | 1139億6206万 | +17.69% |
| 02/20 | 2,906 | 2,909 | 2,841 | 2,904 | -1.46% | 169,100 | 1095億8471万 | +13.88% |
| 02/19 | 2,937 | 2,975 | 2,913 | 2,947 | +0.65% | 123,400 | 1112億735万 | +16.16% |
| 02/18 | 2,950 | 2,970 | 2,906 | 2,928 | -0.1% | 249,100 | 1104億9037万 | +16.14% |
| 02/17 | (5%ルール)野村證券(0.38%)野村アセットマネジメント(4.76%)ノムラインターナショナルピーエルシー(NOMURA IN…(0%) |
| 02/17 | 2,730 | 2,943 | 2,727 | 2,931 | +7.64% | 445,100 | 1106億358万 | +17.05% |
| 02/17 | (空売り報告)Societe Generale 253,122株(0.67%)-0.08% |
| 02/16 | 2,510 | 2,729 | 2,499 | 2,723 | +10.29% | 483,200 | 1027億5453万 | +9.53% |
| 02/16 | (空売り報告)Societe Generale 285,922株(0.75%)-0.37% |
| 02/13 | (IR情報)15:30 2025年12月期決算説明資料 |
| 02/13 | (IR情報)15:30 通期連結業績予想と実績との差異及び剰余金の配当(増配)並びに配当方針の変更に関するお知らせ |
| 02/13 | (IR情報)15:30 2025年12月期決算短信[日本基準](連結) |
| 02/13 | 2,525 | 2,525 | 2,447 | 2,469 | -2.8% | 210,500 | 931億6965万 | -0.28% |
| 02/12 | 2,522 | 2,540 | 2,504 | 2,540 | +1.11% | 263,200 | 958億4889万 | +2.46% |
| 02/10 | 2,476 | 2,514 | 2,466 | 2,512 | +1.87% | 127,800 | 947億9228万 | +1.33% |
| 02/09 | 2,495 | 2,495 | 2,455 | 2,466 | +1.57% | 126,700 | 930億5644万 | -0.6% |
| 02/06 | 2,437 | 2,445 | 2,406 | 2,428 | -0.45% | 107,300 | 916億2248万 | -2.29% |
| 02/05 | 2,450 | 2,462 | 2,428 | 2,439 | -0.16% | 118,500 | 920億3757万 | -2.09% |
| 02/04 | 2,401 | 2,443 | 2,392 | 2,443 | +0.78% | 128,900 | 921億8852万 | -2.16% |
| 02/03 | 2,404 | 2,435 | 2,395 | 2,424 | +2.02% | 114,900 | 914億7154万 | -3.19% |
| 02/02 | 2,420 | 2,454 | 2,369 | 2,376 | -0.71% | 150,400 | 896億6022万 | -5.38% |
| 01/30 | 2,377 | 2,395 | 2,351 | 2,393 | +1.61% | 130,500 | 903億173万 | -5.15% |
| 01/29 | 2,372 | 2,377 | 2,338 | 2,355 | -1.22% | 166,000 | 888億6777万 | -7.14% |
| 01/28 | 2,411 | 2,432 | 2,377 | 2,384 | -2.05% | 166,200 | 899億6210万 | -6.51% |
| 01/27 | 2,419 | 2,455 | 2,406 | 2,434 | -0.21% | 106,100 | 918億4889万 | -5.07% |
| 01/26 | 2,472 | 2,480 | 2,430 | 2,439 | -3.29% | 122,800 | 920億3757万 | -5.28% |
| 01/23 | (IR情報)13:00 オプテックスグループ、日興アイ・アール「2025年度 全上場企業ホームページ充実度ランキング」 で「総合部門 優良サイト」に初選出 |
| 01/23 | 2,528 | 2,541 | 2,505 | 2,522 | -0.36% | 128,800 | 951億6964万 | -2.44% |
| 01/22 | 2,500 | 2,538 | 2,488 | 2,531 | +2.14% | 167,300 | 955億926万 | -2.39% |
| 01/21 | 2,415 | 2,487 | 2,411 | 2,478 | +0.04% | 161,800 | 935億927万 | -4.77% |
| 01/20 | 2,555 | 2,556 | 2,477 | 2,477 | -4.4% | 165,100 | 934億7153万 | -5.1% |
| 01/19 | (IR情報)15:30 グループ内組織再編(連結子会社間の吸収分割及び吸収合併)に関するお知らせ |
| 01/19 | 2,612 | 2,612 | 2,556 | 2,591 | -0.8% | 117,800 | 977億7341万 | -0.99% |
| 01/16 | 2,580 | 2,614 | 2,568 | 2,612 | +1.36% | 187,100 | 985億6586万 | -0.19% |
| 01/15 | 2,547 | 2,586 | 2,540 | 2,577 | +1.18% | 212,600 | 972億4511万 | -1.42% |
| 01/14 | 2,538 | 2,592 | 2,517 | 2,547 | +1.19% | 181,800 | 961億1304万 | -2.41% |
| 01/13 | 2,523 | 2,540 | 2,490 | 2,517 | +1.78% | 257,600 | 949億8096万 | -3.45% |
| 01/13 | (空売り報告)Nomura International plc 142,218株(0.37%)-0.21%義務消失 |
| 01/09 | 2,499 | 2,513 | 2,454 | 2,473 | +0.28% | 138,700 | 933億2059万 | -4.96% |
| 01/08 | 2,526 | 2,530 | 2,465 | 2,466 | -3.1% | 185,100 | 930億5644万 | -5.12% |
| 01/08 | (空売り報告)モルガン・スタンレーMUFG証券 187,905株(0.49%)-0.04%義務消失 |
| 01/07 | 2,572 | 2,600 | 2,545 | 2,545 | -0.16% | 229,900 | 960億3757万 | -2% |
| 01/06 | 2,570 | 2,572 | 2,525 | 2,549 | -0.7% | 209,700 | 961億8851万 | -1.7% |
| 01/06 | (空売り報告)モルガン・スタンレーMUFG証券 203,605株(0.53%)-0.15% |
| 01/05 | 2,560 | 2,575 | 2,532 | 2,567 | +0.47% | 143,000 | 968億6775万 | -0.77% |
| 2025 |
| 12/30 | 2,563 | 2,600 | 2,546 | 2,555 | -0.89% | 184,200 | 964億1492万 | -1.01% |
| 12/30 | (空売り報告)モルガン・スタンレーMUFG証券 257,705株(0.68%)-0.08% |
| 12/29 | 2,583 | 2,600 | 2,563 | 2,578 | -0.77% | 158,200 | 972億8285万 | +0.08% |
| 12/26 | 2,616 | 2,616 | 2,581 | 2,598 | -0.12% | 201,500 | 980億3756万 | +1.13% |
| 12/26 | (空売り報告)Nomura International plc 220,840株(0.58%)-0.06% |
| 12/26 | (空売り報告)モルガン・スタンレーMUFG証券 289,152株(0.76%)-0.11% |
| 12/26 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 184,553株(0.48%)-0.1%義務消失 |
| 12/25 | 2,639 | 2,639 | 2,593 | 2,601 | -0.12% | 155,800 | 981億5077万 | +1.48% |
| 12/25 | (空売り報告)Nomura International plc 244,436株(0.64%)-0.13% |
| 12/25 | (空売り報告)Barclays Capital Securities Ltd 174,983株(0.46%)-0.05%義務消失 |
| 12/25 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 220,053株(0.58%)-0.09% |
| 12/24 | 2,662 | 2,672 | 2,604 | 2,604 | -2.69% | 187,700 | 982億6398万 | +1.88% |
| 12/24 | (空売り報告)モルガン・スタンレーMUFG証券 331,152株(0.87%)-0.11% |
| 12/24 | (空売り報告)Barclays Capital Securities Ltd 195,900株(0.51%)再IN |
| 12/23 | 2,731 | 2,734 | 2,649 | 2,676 | -1.98% | 159,200 | 1009億8095万 | +4.98% |
| 12/23 | (空売り報告)Barclays Capital Securities Ltd 187,800株(0.49%)-0.04%義務消失 |
| 12/22 | 2,710 | 2,733 | 2,606 | 2,730 | +0.74% | 330,700 | 1030億1869万 | +7.31% |
| 12/22 | (空売り報告)Societe Generale 425,122株(1.12%)+0.23% |
| 12/22 | (空売り報告)Nomura International plc 292,248株(0.77%)+0.25% |
| 12/22 | (空売り報告)Barclays Capital Securities Ltd 202,700株(0.53%)-0.26% |
| 12/19 | (5%ルール)野村アセットマネジメント(4.75%)ノムラインターナショナルピーエルシー(NOMURA IN…(0.84%) |
| 12/19 | 2,730 | 2,740 | 2,692 | 2,710 | -0.29% | 1,259,200 | 1022億6397万 | +7.07% |
| 12/19 | (空売り報告)Nomura International plc 199,040株(0.52%)再IN |
| 12/19 | (空売り報告)モルガン・スタンレーMUFG証券 372,852株(0.98%)再IN |
| 12/19 | (空売り報告)Barclays Capital Securities Ltd 301,700株(0.79%)新規 |
| 12/19 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 255,316株(0.67%)再IN |
| 12/18 | 2,680 | 2,734 | 2,675 | 2,718 | +0.26% | 211,000 | 1025億6586万 | +7.81% |
| 12/17 | 2,717 | 2,724 | 2,660 | 2,711 | +0.93% | 157,400 | 1023億171万 | +8.01% |
| 12/16 | 2,733 | 2,743 | 2,655 | 2,686 | -1.72% | 171,800 | 1013億5831万 | +7.53% |
| 12/15 | 2,705 | 2,744 | 2,684 | 2,733 | -0.62% | 184,700 | 1031億3189万 | +9.94% |
| 12/12 | 2,694 | 2,765 | 2,680 | 2,750 | +2.96% | 198,400 | 1037億7340万 | +11.29% |
| 12/11 | 2,664 | 2,698 | 2,648 | 2,671 | +0.15% | 226,400 | 1007億9227万 | +8.8% |
| 12/10 | 2,614 | 2,691 | 2,606 | 2,667 | +3.17% | 299,100 | 1006億4133万 | +9.21% |
| 12/09 | 2,528 | 2,594 | 2,513 | 2,585 | +1.77% | 175,700 | 975億4700万 | +6.38% |
| 12/08 | 2,480 | 2,550 | 2,473 | 2,540 | +3.08% | 166,500 | 958億4889万 | +5% |
| 12/05 | 2,465 | 2,475 | 2,436 | 2,464 | -0.81% | 121,800 | 929億8097万 | +2.24% |
| 12/05 | (空売り報告)Societe Generale 337,822株(0.89%)再IN |
| 12/04 | 2,391 | 2,490 | 2,390 | 2,484 | +3.89% | 190,700 | 937億3568万 | +3.37% |
| 12/03 | 2,396 | 2,418 | 2,367 | 2,391 | -0.13% | 257,800 | 902億2625万 | -0.25% |
| 12/02 | 2,389 | 2,402 | 2,372 | 2,394 | -0.5% | 158,900 | 903億3946万 | -0.08% |
| 12/01 | 2,478 | 2,487 | 2,377 | 2,406 | -2.08% | 181,900 | 907億9229万 | +0.42% |
| 11/28 | 2,420 | 2,473 | 2,397 | 2,457 | +2.25% | 165,900 | 927億1682万 | +2.8% |
| 11/28 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 179,616株(0.47%)-0.03%義務消失 |
| 11/27 | 2,425 | 2,439 | 2,396 | 2,403 | -0.83% | 170,600 | 906億7908万 | +0.88% |
| 11/26 | 2,444 | 2,451 | 2,413 | 2,423 | +0.12% | 151,500 | 914億3380万 | +2.02% |
| 11/25 | (IR情報)14:30 英国の連結子会社(孫会社)による株式取得に関するお知らせ |
| 11/25 | 2,450 | 2,453 | 2,410 | 2,420 | +0.33% | 170,500 | 913億2059万 | +2.2% |
| 11/21 | 2,390 | 2,428 | 2,380 | 2,412 | -1.15% | 136,400 | 910億1871万 | +2.25% |
| 11/21 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 188,816株(0.5%)再IN |
| 11/20 | 2,470 | 2,476 | 2,419 | 2,440 | +0.83% | 152,100 | 920億7531万 | +3.7% |
| 11/19 | 2,419 | 2,453 | 2,403 | 2,420 | -0.53% | 188,800 | 913億2059万 | +3.07% |
| 11/18 | 2,503 | 2,518 | 2,418 | 2,433 | -4.25% | 256,800 | 918億1116万 | +3.97% |
| 11/17 | (IR情報)11:00 IO-LinkマスタURシリーズとデバイスをつなぐサービス「Field Prime」を開始 |
| 11/17 | 2,399 | 2,555 | 2,390 | 2,541 | +5.3% | 520,900 | 958億8662万 | +8.96% |
| 11/14 | (IR情報)15:30 2025年12月期第3四半期決算説明資料 |
| 11/14 | (IR情報)15:30 2025年12月期第3四半期決算短信[日本基準](連結) |
| 11/14 | (IR情報)11:00 色や材質に左右されない安定検出を実現するコンパクトな有機EL搭載C-MOSレーザ変位センサ「CD2Sシリーズ」発売 |
| 11/14 | 2,467 | 2,473 | 2,378 | 2,413 | -2.31% | 247,000 | 910億5644万 | +4.05% |
| 11/13 | 2,475 | 2,480 | 2,439 | 2,470 | +1.02% | 100,600 | 932億738万 | +6.88% |
| 11/12 | 2,418 | 2,456 | 2,388 | 2,445 | +2.13% | 157,500 | 922億6399万 | +6.44% |
| 11/11 | 2,415 | 2,418 | 2,368 | 2,394 | -0.04% | 130,700 | 903億3946万 | +4.77% |
| 11/10 | 2,373 | 2,400 | 2,366 | 2,395 | +1.87% | 91,900 | 903億7720万 | +5.27% |
| 11/07 | 2,350 | 2,358 | 2,332 | 2,351 | -0.47% | 105,400 | 887億1682万 | +3.84% |
| 11/06 | 2,340 | 2,387 | 2,324 | 2,362 | +1.37% | 107,000 | 891億3192万 | +4.88% |
| 11/05 | 2,331 | 2,350 | 2,265 | 2,330 | -1.48% | 152,200 | 879億2437万 | +3.93% |
| 11/04 | 2,333 | 2,398 | 2,317 | 2,365 | +1.37% | 114,900 | 892億4512万 | +5.91% |
| 10/31 | 2,320 | 2,335 | 2,296 | 2,333 | +0.73% | 116,100 | 880億3758万 | +4.95% |
| 10/30 | 2,294 | 2,328 | 2,281 | 2,316 | +1.76% | 95,600 | 873億9607万 | +4.51% |
| 10/29 | 2,343 | 2,343 | 2,263 | 2,276 | -2.44% | 141,500 | 858億8664万 | +3.08% |
| 10/28 | (IR情報)16:00 配送ロボが玄関先まで荷物を配達。スマートエントランスの実証実験を福岡市で実施 |
| 10/28 | 2,380 | 2,384 | 2,318 | 2,333 | -1.97% | 150,000 | 880億3758万 | +5.9% |
| 10/27 | 2,382 | 2,390 | 2,361 | 2,380 | +0.42% | 151,200 | 898億1116万 | +8.53% |
| 10/24 | 2,300 | 2,382 | 2,276 | 2,370 | +4.59% | 265,300 | 894億3380万 | +8.72% |
| 10/23 | 2,235 | 2,275 | 2,235 | 2,266 | +0.31% | 200,300 | 855億928万 | +4.52% |
| 10/22 | 2,230 | 2,267 | 2,225 | 2,259 | +1.3% | 91,500 | 852億4513万 | +4.63% |
| 10/21 | (IR情報)11:00 オムロン株式会社とIO-Link(アイオーリンク)製品の普及に向けた連携 |
| 10/21 | 2,250 | 2,263 | 2,220 | 2,230 | -0.71% | 104,200 | 841億5079万 | +3.72% |
| 10/20 | 2,223 | 2,267 | 2,215 | 2,246 | +2.89% | 141,500 | 847億5457万 | +4.9% |
| 10/17 | 2,266 | 2,279 | 2,164 | 2,183 | -4.17% | 239,800 | 823億7721万 | +2.39% |
| 10/16 | 2,333 | 2,339 | 2,273 | 2,278 | -1.47% | 248,600 | 859億6211万 | +7.3% |
| 10/15 | 2,250 | 2,330 | 2,240 | 2,312 | +4.19% | 356,800 | 872億4513万 | +9.52% |
| 10/14 | 2,208 | 2,249 | 2,208 | 2,219 | -0.85% | 255,700 | 837億3570万 | +5.77% |
| 10/10 | 2,218 | 2,271 | 2,200 | 2,238 | +0.81% | 313,800 | 844億5268万 | +7.29% |
| 10/09 | 2,209 | 2,229 | 2,199 | 2,220 | +1.05% | 166,300 | 837億7344万 | +7.04% |
| 10/08 | 2,134 | 2,229 | 2,134 | 2,197 | +2.95% | 216,500 | 829億551万 | +6.55% |
| 10/07 | 2,153 | 2,155 | 2,128 | 2,134 | -0.7% | 116,100 | 805億2816万 | +4.1% |
| 10/03 | (IR情報)11:00 オプテックス・エフエー(株)、第12回 現場川柳の作品募集を開始 |