| 2026 |
| 10/06 | 387 | 387 | 387 | 387 | +0.26% | 100 | - | 0% |
| 10/05 | 387 | 387 | 385 | 386 | -0.26% | 3,100 | - | -0.26% |
| 10/02 | 386 | 387 | 386 | 387 | +0.26% | 1,400 | - | 0% |
| 10/01 | (5%ルール)鶴見哲(19.97%)トライ(9.37%) |
| 10/01 | 388 | 389 | 386 | 386 | -0.52% | 1,100 | - | -0.26% |
| 09/30 | (IR情報)12:30 衣浦工場(第1ライン)火災事故についてのお知らせ |
| 09/30 | 388 | 388 | 388 | 388 | +0.26% | 1,500 | - | +0.26% |
| 09/29 | 386 | 387 | 386 | 387 | -0.51% | 900 | - | 0% |
| 09/28 | 388 | 390 | 387 | 389 | -0.26% | 23,900 | - | +0.78% |
| 09/25 | 389 | 390 | 389 | 390 | 0% | 1,400 | - | +1.04% |
| 09/24 | 391 | 391 | 390 | 390 | 0% | 8,000 | - | +1.04% |
| 09/18 | 389 | 391 | 388 | 390 | +0.26% | 9,800 | - | +1.3% |
| 09/17 | 389 | 389 | 389 | 389 | +0.78% | 1,700 | - | +1.04% |
| 09/16 | 387 | 388 | 386 | 386 | +1.05% | 1,800 | - | +0.52% |
| 09/14 | 381 | 382 | 380 | 382 | -1.04% | 16,000 | - | -0.52% |
| 09/11 | 389 | 389 | 386 | 386 | -0.77% | 3,600 | - | +0.52% |
| 09/10 | 389 | 389 | 389 | 389 | +0.78% | 1,200 | - | +1.3% |
| 09/09 | 386 | 387 | 386 | 386 | 0% | 400 | - | +0.52% |
| 09/08 | 386 | 392 | 386 | 386 | -1.28% | 1,200 | - | +0.52% |
| 09/07 | 387 | 391 | 387 | 391 | -0.26% | 2,900 | - | +2.09% |
| 09/04 | 388 | 393 | 388 | 392 | +1.29% | 13,500 | - | +2.35% |
| 09/03 | 387 | 387 | 387 | 387 | +0.52% | 400 | - | +1.31% |
| 09/02 | 386 | 386 | 385 | 385 | 0% | 3,400 | - | +0.79% |
| 09/01 | 385 | 388 | 385 | 385 | 0% | 1,400 | - | +0.79% |
| 08/31 | 385 | 386 | 385 | 385 | 0% | 1,000 | - | +0.79% |
| 08/28 | 385 | 386 | 385 | 385 | 0% | 700 | - | +0.79% |
| 08/27 | 388 | 388 | 385 | 385 | -0.52% | 300 | - | +1.05% |
| 08/26 | 388 | 388 | 387 | 387 | +0.26% | 1,200 | - | +1.57% |
| 08/25 | 385 | 386 | 384 | 386 | +0.78% | 1,000 | - | +1.31% |
| 08/24 | 382 | 384 | 382 | 383 | +0.52% | 11,800 | - | +0.52% |
| 08/21 | 384 | 384 | 381 | 381 | 0% | 1,000 | - | 0% |
| 08/20 | 381 | 381 | 381 | 381 | 0% | 100 | - | 0% |
| 08/19 | 382 | 384 | 380 | 381 | -0.52% | 31,900 | - | 0% |
| 08/18 | 384 | 385 | 381 | 383 | +1.32% | 9,900 | - | +0.52% |
| 08/17 | 379 | 380 | 378 | 378 | 0% | 1,000 | - | -0.79% |
| 08/14 | 379 | 379 | 378 | 378 | -0.79% | 700 | - | -0.79% |
| 08/12 | 376 | 381 | 376 | 381 | +0.53% | 3,700 | - | 0% |
| 08/10 | 381 | 381 | 379 | 379 | -0.26% | 900 | - | -0.52% |
| 08/07 | 381 | 381 | 380 | 380 | -0.52% | 2,200 | - | -0.26% |
| 08/06 | 385 | 385 | 381 | 382 | -0.78% | 1,100 | - | +0.26% |
| 08/05 | 385 | 385 | 385 | 385 | +0.26% | 300 | - | +1.32% |
| 08/04 | 383 | 384 | 383 | 384 | 0% | 300 | - | +1.05% |
| 08/03 | 388 | 389 | 384 | 384 | +1.59% | 14,200 | - | +1.05% |
| 07/31 | (IR情報)16:00 2027年3月期第1四半期決算短信〔日本基準〕(非連結) |
| 07/31 | 381 | 381 | 371 | 378 | -0.26% | 7,800 | - | -0.79% |
| 07/30 | 381 | 381 | 376 | 379 | -0.26% | 500 | - | -0.52% |
| 07/29 | 378 | 380 | 377 | 380 | +0.8% | 1,700 | - | -0.52% |
| 07/28 | 380 | 380 | 377 | 377 | -1.05% | 3,600 | - | -1.31% |
| 07/27 | 380 | 385 | 379 | 381 | +0.26% | 2,600 | - | -0.52% |
| 07/24 | 378 | 382 | 378 | 380 | 0% | 1,200 | - | -0.78% |
| 07/22 | 383 | 383 | 379 | 380 | -0.52% | 3,900 | - | -0.78% |
| 07/21 | 380 | 382 | 378 | 382 | +0.79% | 4,200 | - | -0.26% |
| 07/17 | 383 | 383 | 379 | 379 | -0.52% | 3,900 | - | -1.04% |
| 07/16 | 381 | 381 | 381 | 381 | -0.26% | 1,000 | - | -0.52% |
| 07/15 | 383 | 384 | 381 | 382 | 0% | 3,200 | - | -0.26% |
| 07/14 | 385 | 390 | 380 | 382 | 0% | 4,700 | - | -0.52% |
| 07/13 | 380 | 382 | 378 | 382 | +0.53% | 900 | - | -0.52% |
| 07/10 | 380 | 380 | 380 | 380 | -0.26% | 500 | - | -0.78% |
| 07/07 | (5%ルール)みずほ証券(7.72%) |
| 07/07 | 384 | 384 | 381 | 381 | -0.26% | 2,300 | - | -0.52% |
| 07/06 | 386 | 390 | 382 | 382 | -0.26% | 2,500 | - | 0% |
| 07/03 | 381 | 383 | 381 | 383 | 0% | 400 | - | +0.52% |
| 07/02 | (5%ルール)鶴見哲(19.97%)トライ(9.37%) |
| 07/02 | 379 | 383 | 379 | 383 | +1.32% | 1,800 | - | +0.79% |
| 07/01 | 378 | 379 | 378 | 378 | +1.34% | 900 | - | -0.53% |
| 06/30 | 377 | 377 | 373 | 373 | -1.32% | 2,100 | - | -1.58% |
| 06/29 | 382 | 382 | 378 | 378 | 0% | 800 | - | -0.26% |
| 06/26 | 375 | 386 | 375 | 378 | -1.31% | 9,700 | - | 0% |
| 06/25 | 386 | 386 | 383 | 383 | -0.78% | 800 | - | +1.32% |
| 06/24 | 389 | 391 | 386 | 386 | -0.77% | 600 | - | +2.12% |
| 06/23 | 397 | 400 | 389 | 389 | -1.52% | 12,600 | - | +3.18% |
| 06/22 | 394 | 395 | 390 | 395 | +1.28% | 2,000 | - | +5.05% |
| 06/19 | 393 | 398 | 390 | 390 | -0.76% | 4,400 | - | +4% |
| 06/18 | 387 | 400 | 387 | 393 | +2.08% | 9,500 | - | +5.08% |
| 06/17 | 383 | 386 | 381 | 385 | +0.52% | 1,800 | - | +3.22% |
| 06/16 | 382 | 383 | 377 | 383 | -0.52% | 1,900 | - | +2.68% |
| 06/15 | 386 | 386 | 376 | 385 | -1.79% | 5,100 | - | +3.49% |
| 06/12 | 382 | 392 | 380 | 392 | +3.16% | 2,100 | - | +5.38% |
| 06/11 | 382 | 382 | 380 | 380 | 0% | 3,900 | - | +2.43% |
| 06/10 | 381 | 381 | 380 | 380 | -0.52% | 1,200 | - | +2.43% |
| 06/09 | 383 | 384 | 382 | 382 | -0.78% | 5,000 | - | +2.96% |
| 06/08 | 385 | 390 | 382 | 385 | 0% | 2,400 | - | +3.49% |
| 06/05 | 381 | 390 | 378 | 385 | +2.12% | 7,200 | - | +3.77% |
| 06/04 | 369 | 377 | 369 | 377 | +2.17% | 1,100 | - | +1.62% |
| 06/03 | 361 | 371 | 361 | 369 | +2.22% | 6,000 | - | -0.54% |
| 06/02 | 360 | 361 | 356 | 361 | +1.12% | 500 | - | -2.7% |
| 06/01 | 361 | 361 | 357 | 357 | -1.11% | 10,000 | - | -4.03% |
| 05/29 | 362 | 367 | 361 | 361 | -1.37% | 3,100 | - | -3.22% |
| 05/28 | 366 | 366 | 365 | 366 | +0.27% | 400 | - | -2.14% |
| 05/27 | 364 | 369 | 364 | 365 | -0.82% | 2,100 | - | -2.41% |
| 05/26 | 367 | 375 | 367 | 368 | +0.55% | 2,100 | - | -1.87% |
| 05/25 | 368 | 368 | 362 | 366 | -0.27% | 1,300 | - | -2.66% |
| 05/22 | 367 | 371 | 360 | 367 | -1.08% | 2,800 | - | -2.39% |
| 05/21 | 370 | 371 | 370 | 371 | +1.92% | 400 | - | -1.59% |
| 05/20 | 370 | 375 | 360 | 364 | -2.15% | 5,600 | - | -3.45% |
| 05/19 | 369 | 380 | 363 | 372 | +1.92% | 4,200 | - | -1.59% |
| 05/18 | 373 | 373 | 365 | 365 | -2.14% | 2,900 | - | -3.44% |
| 05/15 | 373 | 373 | 373 | 373 | 0% | 800 | - | -1.58% |
| 05/14 | 373 | 373 | 370 | 373 | +0.81% | 900 | - | -1.58% |
| 05/12 | 369 | 374 | 369 | 370 | 0% | 1,300 | - | -2.37% |
| 05/11 | 379 | 379 | 366 | 370 | -1.6% | 2,600 | - | -2.37% |
| 05/08 | 370 | 376 | 365 | 376 | 0% | 6,300 | - | -1.05% |
| 05/07 | 381 | 381 | 374 | 376 | -1.31% | 8,900 | - | -1.05% |
| 05/01 | (IR情報)10:40 株主提案に対する当社取締役会の意見に関するお知らせ |
| 05/01 | (IR情報)10:40 2026年3月期決算短信〔日本基準〕(非連結) |
| 05/01 | 385 | 385 | 369 | 381 | -1.04% | 5,700 | - | +0.26% |
| 04/30 | (IR情報)16:00 業績予想の修正及び配当予想の修正(特別配当)に関するお知らせ |
| 04/30 | 385 | 387 | 384 | 385 | 0% | 7,100 | - | +1.32% |