| 2024 |
| 04/26 | 2,287 | 2,304 | 2,261 | 2,295 | +0.35% | 359,700 | 2032億3565万 | -1.33% |
| 04/25 | 2,260 | 2,298 | 2,250 | 2,287 | +0.88% | 556,400 | 2025億2720万 | -1.97% |
| 04/24 | 2,276 | 2,277 | 2,242 | 2,267 | -0.61% | 641,800 | 2007億5608万 | -3.16% |
| 04/23 | 2,287 | 2,300 | 2,278 | 2,281 | +0.13% | 560,400 | 2019億9587万 | -2.85% |
| 04/22 | 2,260 | 2,285 | 2,247 | 2,278 | +2.61% | 534,400 | 2017億3020万 | -3.19% |
| 04/19 | （5%ルール）ノムラインターナショナルピーエルシー(NOMURA IN…（0%）野村アセットマネジメント（6.83%）野村證券（0.12%） |
| 04/19 | 2,210 | 2,234 | 2,203 | 2,220 | -0.31% | 817,200 | 1965億9396万 | -5.89% |
| 04/18 | 2,214 | 2,243 | 2,206 | 2,227 | +0.27% | 753,000 | 1972億1385万 | -5.84% |
| 04/17 | （IR情報）15:00 米国におけるクロロプレンゴム製造施設に対するアメリカ環境保護庁による新規制適用の発表について |
| 04/17 | 2,322 | 2,324 | 2,216 | 2,221 | -4.1% | 1,312,500 | 1966億8252万 | -6.33% |
| 04/16 | 2,335 | 2,341 | 2,299 | 2,316 | -1.36% | 689,800 | 2050億9532万 | -2.61% |
| 04/15 | 2,340 | 2,349 | 2,333 | 2,348 | -0.93% | 362,400 | 2079億2911万 | -1.47% |
| 04/12 | 2,346 | 2,375 | 2,340 | 2,370 | +1.02% | 608,700 | 2098億7734万 | -0.71% |
| 04/11 | 2,349 | 2,357 | 2,319 | 2,346 | -0.59% | 407,100 | 2077億5200万 | -1.84% |
| 04/10 | 2,350 | 2,377 | 2,348 | 2,360 | +0.47% | 363,700 | 2089億9178万 | -1.38% |
| 04/09 | 2,342 | 2,354 | 2,336 | 2,349 | +0.04% | 371,400 | 2080億1766万 | -1.92% |
| 04/08 | 2,337 | 2,348 | 2,329 | 2,348 | +0.99% | 352,000 | 2079億2911万 | -2.17% |
| 04/05 | 2,300 | 2,333 | 2,294 | 2,325 | +0.43% | 481,000 | 2058億9232万 | -3.33% |
| 04/04 | 2,338 | 2,348 | 2,315 | 2,315 | -0.13% | 543,900 | 2050億676万 | -3.94% |
| 04/03 | 2,310 | 2,324 | 2,281 | 2,318 | -0.64% | 697,500 | 2052億7243万 | -4.1% |
| 04/02 | 2,359 | 2,367 | 2,333 | 2,333 | -0.34% | 701,900 | 2066億77万 | -3.79% |
| 04/01 | 2,369 | 2,369 | 2,317 | 2,341 | -0.26% | 1,273,900 | 2073億922万 | -3.74% |
| 03/29 | 2,363 | 2,373 | 2,343 | 2,347 | -0.34% | 1,129,100 | 2078億4055万 | -3.77% |
| 03/28 | 2,398 | 2,398 | 2,345 | 2,355 | -3.48% | 1,201,800 | 2085億4900万 | -3.72% |
| 03/27 | 2,455 | 2,455 | 2,428 | 2,440 | +0.41% | 757,900 | 2160億7624万 | -0.49% |
| 03/26 | （IR情報）11:00 投資有価証券売却益(特別利益)の計上に関するお知らせ |
| 03/26 | 2,431 | 2,442 | 2,414 | 2,430 | -0.33% | 969,700 | 2151億9069万 | -1.06% |
| 03/25 | 2,478 | 2,480 | 2,438 | 2,438 | -1.42% | 553,800 | 2158億9913万 | -0.89% |
| 03/25 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 439,522株（0.49%）-0.01%義務消失 |
| 03/22 | 2,475 | 2,481 | 2,458 | 2,473 | +0.08% | 427,200 | 2189億9859万 | +0.53% |
| 03/22 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 450,222株（0.5%）再IN |
| 03/21 | 2,468 | 2,482 | 2,451 | 2,471 | +1.27% | 465,200 | 2188億2148万 | +0.41% |
| 03/21 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 429,414株（0.48%）-0.1%義務消失 |
| 03/19 | 2,428 | 2,445 | 2,423 | 2,440 | +0.74% | 274,300 | 2160億7624万 | -0.93% |
| 03/18 | 2,417 | 2,428 | 2,401 | 2,422 | +0.46% | 403,100 | 2144億8224万 | -1.7% |
| 03/18 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 514,214株（0.58%）-0.11% |
| 03/15 | 2,400 | 2,432 | 2,400 | 2,411 | +0.79% | 523,600 | 2135億813万 | -2.19% |
| 03/14 | 2,367 | 2,407 | 2,367 | 2,392 | +0.93% | 515,000 | 2118億2556万 | -3% |
| 03/13 | 2,406 | 2,414 | 2,369 | 2,370 | -1.41% | 758,300 | 2098億7734万 | -4.16% |
| 03/12 | 2,408 | 2,411 | 2,362 | 2,404 | -0.87% | 939,200 | 2128億8823万 | -3.14% |
| 03/11 | 2,455 | 2,458 | 2,408 | 2,425 | -1.42% | 468,000 | 2147億4791万 | -2.57% |
| 03/08 | 2,437 | 2,464 | 2,430 | 2,460 | +1.11% | 625,100 | 2178億4736万 | -1.4% |
| 03/07 | 2,439 | 2,443 | 2,420 | 2,433 | +0.12% | 356,900 | 2154億5635万 | -2.68% |
| 03/06 | 2,409 | 2,439 | 2,407 | 2,430 | +0.79% | 399,700 | 2151億9069万 | -2.99% |
| 03/05 | 2,450 | 2,458 | 2,408 | 2,411 | -2.15% | 591,800 | 2135億813万 | -3.98% |
| 03/04 | 2,468 | 2,486 | 2,457 | 2,464 | -0.16% | 325,000 | 2182億158万 | -2.07% |
| 03/01 | 2,456 | 2,474 | 2,453 | 2,468 | +0.49% | 389,000 | 2185億5581万 | -2.1% |
| 02/29 | 2,480 | 2,487 | 2,443 | 2,456 | -1.92% | 564,300 | 2174億9314万 | -2.69% |
| 02/28 | 2,500 | 2,509 | 2,489 | 2,504 | -0.08% | 280,300 | 2217億4382万 | -0.99% |
| 02/28 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 616,742株（0.69%）-0.01% |
| 02/27 | 2,508 | 2,518 | 2,494 | 2,506 | -0.2% | 309,100 | 2219億2093万 | -1.03% |
| 02/26 | 2,516 | 2,528 | 2,497 | 2,511 | -0.08% | 357,700 | 2223億6371万 | -0.87% |
| 02/26 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 620,387株（0.7%）+0.05% |
| 02/22 | 2,523 | 2,523 | 2,495 | 2,513 | +0.04% | 390,200 | 2225億4082万 | -0.79% |
| 02/21 | 2,529 | 2,539 | 2,498 | 2,512 | -0.44% | 247,000 | 2224億5227万 | -0.87% |
| 02/20 | 2,525 | 2,534 | 2,511 | 2,523 | -0.2% | 286,900 | 2234億2638万 | -0.51% |
| 02/19 | 2,533 | 2,539 | 2,514 | 2,528 | +0.08% | 259,300 | 2238億6916万 | -0.39% |
| 02/16 | 2,473 | 2,536 | 2,473 | 2,526 | +2.72% | 498,200 | 2236億9205万 | -0.55% |
| 02/15 | 2,477 | 2,484 | 2,443 | 2,459 | -1.24% | 452,200 | 2177億5881万 | -3.3% |
| 02/14 | 2,503 | 2,513 | 2,475 | 2,490 | -0.88% | 350,000 | 2205億404万 | -2.28% |
| 02/13 | 2,465 | 2,517 | 2,451 | 2,512 | +2.2% | 469,600 | 2224億5227万 | -1.57% |
| 02/09 | 2,492 | 2,492 | 2,449 | 2,458 | -0.12% | 452,000 | 2176億7025万 | -3.8% |
| 02/08 | 2,432 | 2,476 | 2,408 | 2,461 | +0.82% | 1,026,500 | 2179億3592万 | -3.79% |
| 02/08 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 576,156株（0.65%）+0.11% |
| 02/07 | （IR情報）11:00 役員の異動等に関するお知らせ |
| 02/07 | （IR情報）11:00 2024年3月期第3四半期決算説明会資料 |
| 02/07 | （IR情報）11:00 海外連結子会社におけるノロウイルスワクチン開発中止および特別損失の計上に関するお知らせ |
| 02/07 | （IR情報）11:00 2024年3月期通期連結業績予想の修正に関するお知らせ |
| 02/07 | （IR情報）11:00 2024年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/07 | 2,578 | 2,623 | 2,426 | 2,441 | -4.95% | 1,913,600 | 2161億6480万 | -4.65% |
| 02/06 | （5%ルール）三井住友トラスト・アセットマネジメント（3.1%）日興アセットマネジメント（2.32%） |
| 02/06 | 2,583 | 2,585 | 2,559 | 2,568 | -0.93% | 270,500 | 2274億1139万 | +0.23% |
| 02/05 | 2,595 | 2,609 | 2,587 | 2,592 | +0.39% | 401,800 | 2295億3673万 | +1.25% |
| 02/02 | 2,576 | 2,592 | 2,553 | 2,582 | +0.55% | 321,000 | 2286億5117万 | +1.06% |
| 02/01 | 2,571 | 2,588 | 2,555 | 2,568 | -0.54% | 334,500 | 2274億1139万 | +0.67% |
| 01/31 | 2,557 | 2,587 | 2,551 | 2,582 | +0.82% | 212,000 | 2286億5117万 | +1.41% |
| 01/30 | 2,565 | 2,566 | 2,549 | 2,561 | -0.43% | 226,100 | 2267億9150万 | +0.79% |
| 01/29 | 2,571 | 2,607 | 2,567 | 2,572 | +0.67% | 463,000 | 2277億6562万 | +1.46% |
| 01/26 | 2,558 | 2,568 | 2,546 | 2,555 | -0.7% | 253,100 | 2262億6017万 | +1.03% |
| 01/25 | 2,557 | 2,575 | 2,545 | 2,573 | +0.67% | 301,400 | 2278億5417万 | +1.94% |
| 01/24 | 2,566 | 2,571 | 2,542 | 2,556 | -0.39% | 290,700 | 2263億4872万 | +1.51% |
| 01/23 | 2,584 | 2,589 | 2,556 | 2,566 | -0.58% | 329,300 | 2272億3428万 | +2.19% |
| 01/22 | 2,550 | 2,584 | 2,545 | 2,581 | +1.69% | 385,000 | 2285億6262万 | +2.99% |
| 01/19 | 2,530 | 2,546 | 2,525 | 2,538 | +0.91% | 349,300 | 2247億5472万 | +1.44% |
| 01/18 | 2,530 | 2,536 | 2,511 | 2,515 | -0.71% | 383,800 | 2227億1793万 | +0.52% |
| 01/17 | 2,587 | 2,603 | 2,533 | 2,533 | -1.44% | 530,800 | 2243億1194万 | +1.24% |
| 01/16 | 2,575 | 2,589 | 2,569 | 2,570 | +0.12% | 413,100 | 2275億8850万 | +2.64% |
| 01/15 | 2,565 | 2,585 | 2,561 | 2,567 | -0.04% | 328,100 | 2273億2284万 | +2.52% |
| 01/12 | 2,618 | 2,618 | 2,568 | 2,568 | -1.08% | 394,600 | 2274億1139万 | +2.6% |
| 01/11 | 2,591 | 2,607 | 2,591 | 2,596 | +0.43% | 450,800 | 2298億9096万 | +3.67% |
| 01/11 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 478,409株（0.54%）再IN |
| 01/10 | 2,590 | 2,595 | 2,568 | 2,585 | -0.27% | 326,100 | 2289億1684万 | +3.19% |
| 01/10 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 441,443株（0.49%）-0.05%義務消失 |
| 01/09 | 2,598 | 2,601 | 2,572 | 2,592 | +0.31% | 364,400 | 2295億3673万 | +3.35% |
| 01/05 | 2,564 | 2,593 | 2,562 | 2,584 | +1.21% | 381,100 | 2288億2829万 | +2.99% |
| 01/04 | 2,496 | 2,556 | 2,473 | 2,553 | +2.28% | 442,300 | 2260億8305万 | +1.71% |
| 2023 |
| 12/29 | 2,513 | 2,520 | 2,482 | 2,496 | -0.32% | 330,000 | 2210億3537万 | -0.64% |
| 12/28 | 2,485 | 2,509 | 2,483 | 2,504 | 0% | 204,600 | 2217億4382万 | -0.52% |
| 12/28 | （空売り報告）Integrated Core Strategies (Asia) Pte. Ltd. 437,290株（0.49%）-0.1%義務消失 |
| 12/27 | 2,475 | 2,504 | 2,472 | 2,504 | +1.05% | 372,800 | 2217億4382万 | -0.67% |
| 12/26 | 2,471 | 2,478 | 2,453 | 2,478 | +0.16% | 412,900 | 2194億4137万 | -1.82% |
| 12/25 | 2,476 | 2,489 | 2,468 | 2,474 | +0.9% | 468,600 | 2190億8714万 | -2.17% |
| 12/22 | 2,448 | 2,472 | 2,442 | 2,452 | +0.41% | 409,600 | 2171億3891万 | -3.24% |
| 12/21 | 2,420 | 2,444 | 2,412 | 2,442 | +0.58% | 524,800 | 2162億5336万 | -3.82% |
| 12/21 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 480,144株（0.54%）-0.06% |
| 12/20 | 2,426 | 2,441 | 2,422 | 2,428 | +0.08% | 539,000 | 2150億1357万 | -4.63% |
| 12/20 | （空売り報告）GOLDMAN SACHS INTERNATIONAL 537,544株（0.6%）再IN |
| 12/19 | 2,406 | 2,432 | 2,396 | 2,426 | +0.54% | 430,700 | 2148億3646万 | -4.9% |
| 12/18 | 2,400 | 2,417 | 2,392 | 2,413 | -0.37% | 404,000 | 2136億8524万 | -5.63% |
| 12/15 | 2,391 | 2,426 | 2,383 | 2,422 | +1.21% | 499,300 | 2144億8224万 | -5.58% |
| 12/14 | 2,445 | 2,445 | 2,384 | 2,393 | -2.01% | 747,600 | 2119億1412万 | -6.89% |
| 12/13 | 2,490 | 2,493 | 2,431 | 2,442 | -1.73% | 714,600 | 2162億5336万 | -5.31% |
| 12/12 | 2,526 | 2,528 | 2,473 | 2,485 | -1.27% | 663,900 | 2200億6126万 | -4.09% |
| 12/11 | （IR情報）11:00 青海工場で発生した死亡事故および樹脂製品における第三者認証等の不適切行為に伴う役員報酬の一部自主返上について |
| 12/11 | （IR情報）11:00 当社および持分法適用関連会社の樹脂製品における第三者認証等の不適切行為に関する外部調査委員会による調査報告書ならびに当社グループの対応策の公表について |
| 12/11 | 2,534 | 2,548 | 2,505 | 2,517 | -0.75% | 588,400 | 2228億9504万 | -3.27% |
| 12/11 | （空売り報告）Integrated Core Strategies (Asia) Pte. Ltd. 524,390株（0.59%）-0.04% |
| 12/08 | 2,555 | 2,555 | 2,516 | 2,536 | -1.01% | 601,100 | 2245億7761万 | -2.84% |
| 12/07 | （5%ルール）アセットマネジメントOne（2.57%）みずほ銀行（3.63%） |
| 12/07 | 2,583 | 2,589 | 2,561 | 2,562 | -0.7% | 322,100 | 2268億8006万 | -2.18% |
| 12/06 | （5%ルール）三井住友トラスト・アセットマネジメント（3.03%）日興アセットマネジメント（2.31%） |
| 12/06 | 2,551 | 2,582 | 2,550 | 2,580 | +1.02% | 292,600 | 2284億7406万 | -1.71% |
| 12/05 | 2,564 | 2,577 | 2,547 | 2,554 | -0.93% | 502,800 | 2261億7161万 | -2.85% |
| 12/04 | 2,620 | 2,627 | 2,569 | 2,578 | -1.9% | 569,400 | 2282億9695万 | -2.2% |
| 12/01 | 2,667 | 2,668 | 2,627 | 2,628 | -0.64% | 420,600 | 2327億2474万 | -0.45% |
| 11/30 | 2,622 | 2,655 | 2,618 | 2,645 | +0.72% | 506,200 | 2342億3019万 | +0.11% |
