| 2026 |
| 06/03 | 1,272 | 1,296 | 1,271 | 1,292 | +1.57% | 11,300 | 401億370万 | -3.87% |
| 06/02 | 1,270 | 1,283 | 1,249 | 1,272 | -0.31% | 17,500 | 394億8290万 | -5.64% |
| 06/01 | 1,330 | 1,330 | 1,273 | 1,276 | -3.48% | 27,400 | 396億706万 | -5.69% |
| 05/29 | 1,356 | 1,356 | 1,322 | 1,322 | -1.71% | 12,800 | 410億3490万 | -2.72% |
| 05/28 | 1,323 | 1,349 | 1,323 | 1,345 | +0.6% | 18,700 | 417億4882万 | -1.32% |
| 05/27 | 1,311 | 1,349 | 1,311 | 1,337 | +1.29% | 27,300 | 415億50万 | -2.19% |
| 05/26 | 1,317 | 1,337 | 1,315 | 1,320 | +0.15% | 19,700 | 409億7282万 | -3.79% |
| 05/25 | 1,351 | 1,351 | 1,311 | 1,318 | -1.27% | 25,500 | 409億1074万 | -4.42% |
| 05/22 | 1,343 | 1,343 | 1,308 | 1,335 | +0.98% | 16,300 | 414億3842万 | -3.61% |
| 05/21 | 1,340 | 1,340 | 1,311 | 1,322 | +0.84% | 15,500 | 410億3490万 | -4.96% |
| 05/20 | 1,356 | 1,356 | 1,300 | 1,311 | -3.1% | 25,900 | 406億9346万 | -6.22% |
| 05/19 | 1,345 | 1,367 | 1,326 | 1,353 | +2.42% | 18,700 | 419億9714万 | -3.77% |
| 05/18 | 1,402 | 1,402 | 1,321 | 1,321 | -7.04% | 26,900 | 410億386万 | -6.44% |
| 05/15 | 1,409 | 1,424 | 1,405 | 1,421 | +0.28% | 18,100 | 441億786万 | +0.14% |
| 05/14 | (IR情報)11:30 2026年3月期決算短信〔日本基準〕(連結) |
| 05/14 | 1,340 | 1,432 | 1,340 | 1,417 | +5.2% | 38,800 | 439億8370万 | -0.28% |
| 05/13 | 1,374 | 1,380 | 1,347 | 1,347 | -1.1% | 15,400 | 418億1090万 | -5.41% |
| 05/12 | 1,360 | 1,371 | 1,353 | 1,362 | +0.89% | 9,100 | 422億7650万 | -4.76% |
| 05/11 | 1,363 | 1,377 | 1,350 | 1,350 | -0.74% | 19,100 | 419億402万 | -5.86% |
| 05/08 | 1,397 | 1,397 | 1,357 | 1,360 | -2.65% | 17,300 | 422億1442万 | -5.36% |
| 05/07 | 1,390 | 1,418 | 1,390 | 1,397 | +1.01% | 20,800 | 433億6290万 | -2.99% |
| 05/01 | 1,356 | 1,383 | 1,354 | 1,383 | +1.99% | 26,700 | 429億2834万 | -4.22% |
| 04/30 | 1,367 | 1,367 | 1,343 | 1,356 | -0.8% | 29,800 | 420億9026万 | -6.29% |
| 04/28 | 1,361 | 1,367 | 1,342 | 1,367 | +1.56% | 22,000 | 424億3170万 | -5.85% |
| 04/27 | 1,374 | 1,379 | 1,346 | 1,346 | -1.9% | 36,400 | 417億7986万 | -7.55% |
| 04/24 | 1,406 | 1,406 | 1,371 | 1,372 | -1.37% | 24,800 | 425億8690万 | -6.03% |
| 04/23 | 1,404 | 1,404 | 1,375 | 1,391 | -0.71% | 17,800 | 431億7666万 | -4.99% |
| 04/22 | 1,413 | 1,413 | 1,397 | 1,401 | -0.99% | 24,500 | 434億8706万 | -4.69% |
| 04/21 | 1,432 | 1,434 | 1,412 | 1,415 | -1.12% | 14,000 | 439億2162万 | -3.94% |
| 04/20 | 1,443 | 1,444 | 1,425 | 1,431 | -0.9% | 11,000 | 444億1826万 | -3.05% |
| 04/17 | 1,455 | 1,458 | 1,444 | 1,444 | -1.3% | 6,000 | 448億2178万 | -2.3% |
| 04/16 | 1,491 | 1,491 | 1,459 | 1,463 | -1.81% | 18,300 | 454億1154万 | -1.15% |
| 04/15 | 1,465 | 1,495 | 1,465 | 1,490 | +1.43% | 29,400 | 462億4962万 | +0.47% |
| 04/14 | 1,494 | 1,494 | 1,463 | 1,469 | -1.48% | 20,600 | 455億9778万 | -0.94% |
| 04/13 | 1,503 | 1,503 | 1,484 | 1,491 | +0.13% | 23,900 | 462億8066万 | +0.54% |
| 04/10 | 1,509 | 1,519 | 1,480 | 1,489 | -1.26% | 23,100 | 462億1858万 | +0.4% |
| 04/09 | 1,516 | 1,527 | 1,506 | 1,508 | -0.26% | 18,500 | 468億834万 | +1.62% |
| 04/08 | 1,522 | 1,540 | 1,502 | 1,512 | +0.87% | 32,300 | 469億3250万 | +1.96% |
| 04/07 | 1,470 | 1,510 | 1,470 | 1,499 | +1.77% | 22,100 | 465億2898万 | +0.94% |
| 04/06 | (自社株買い)取締役会(2026年3月6日)での決議状況(取得期間2026年3月9日~2026年3月9日) |
| 04/06 | 1,470 | 1,488 | 1,470 | 1,473 | -0.67% | 9,400 | 457億2194万 | -0.94% |
| 04/03 | 1,485 | 1,496 | 1,478 | 1,483 | -0.2% | 13,900 | 460億3234万 | -0.54% |
| 04/02 | 1,491 | 1,511 | 1,478 | 1,486 | +0.34% | 24,000 | 461億2546万 | -0.47% |
| 04/01 | 1,477 | 1,483 | 1,455 | 1,481 | +4% | 24,700 | 459億7026万 | -0.94% |
| 03/31 | 1,411 | 1,442 | 1,411 | 1,424 | -0.07% | 23,200 | 442億98万 | -4.94% |
| 03/30 | 1,402 | 1,449 | 1,389 | 1,425 | -4.49% | 30,000 | 442億3202万 | -5.19% |
| 03/27 | 1,484 | 1,498 | 1,482 | 1,492 | +1.15% | 35,000 | 463億1170万 | -1% |
| 03/26 | 1,480 | 1,489 | 1,463 | 1,475 | -0.41% | 17,700 | 457億8402万 | -2.12% |
| 03/25 | 1,500 | 1,500 | 1,472 | 1,481 | +0.68% | 37,700 | 459億7026万 | -1.79% |
| 03/24 | 1,478 | 1,478 | 1,454 | 1,471 | +2.44% | 19,400 | 456億5986万 | -2.45% |
| 03/23 | 1,457 | 1,458 | 1,431 | 1,436 | -2.97% | 30,300 | 445億7346万 | -4.84% |
| 03/19 | 1,501 | 1,512 | 1,480 | 1,480 | -2.63% | 23,700 | 459億3922万 | -2.12% |
| 03/18 | 1,488 | 1,520 | 1,488 | 1,520 | +2.29% | 14,800 | 471億8082万 | +0.53% |
| 03/17 | 1,498 | 1,505 | 1,486 | 1,486 | -0.07% | 21,100 | 461億2546万 | -1.65% |
| 03/16 | 1,488 | 1,502 | 1,475 | 1,487 | -0.07% | 24,300 | 461億5650万 | -1.65% |
| 03/13 | (5%ルール)吉野石膏(10.62%) |
| 03/13 | 1,475 | 1,510 | 1,475 | 1,488 | -0.47% | 27,600 | 461億8754万 | -1.52% |
| 03/12 | 1,529 | 1,529 | 1,490 | 1,495 | -2.54% | 27,000 | 464億482万 | -0.99% |
| 03/11 | 1,506 | 1,541 | 1,506 | 1,534 | +2.54% | 25,400 | 476億1538万 | +1.66% |
| 03/10 | 1,487 | 1,503 | 1,459 | 1,496 | +2.68% | 47,600 | 464億3586万 | -0.66% |
| 03/09 | (IR情報)10:30 自己株式立会外買付取引(ToSTNeT-3)による自己株式の取得結果及び取得終了に関するお知らせ |
| 03/09 | 1,467 | 1,474 | 1,445 | 1,457 | -2.61% | 68,800 | 452億2530万 | -3.06% |
| 03/06 | (IR情報)16:30 自己株式の取得及び自己株式立会外買付取引(ToSTNeT-3)による自己株式の買付けに関するお知らせ |
| 03/06 | 1,501 | 1,507 | 1,480 | 1,496 | -1.19% | 44,300 | 464億3586万 | -0.4% |
| 03/05 | 1,520 | 1,537 | 1,502 | 1,514 | +2.64% | 20,500 | 469億9458万 | +1% |
| 03/04 | 1,535 | 1,535 | 1,472 | 1,475 | -5.69% | 66,900 | 457億8402万 | -1.4% |
| 03/03 | 1,562 | 1,589 | 1,557 | 1,564 | +0.26% | 122,400 | 485億4658万 | +4.62% |
| 03/02 | 1,531 | 1,571 | 1,530 | 1,560 | 0% | 30,500 | 484億2242万 | +4.7% |
| 02/27 | 1,536 | 1,560 | 1,533 | 1,560 | +0.84% | 22,100 | 484億2242万 | +4.84% |
| 02/26 | 1,533 | 1,562 | 1,533 | 1,547 | +0.91% | 32,300 | 480億1890万 | +4.25% |
| 02/25 | 1,594 | 1,599 | 1,525 | 1,533 | -2.04% | 73,400 | 475億8434万 | +3.51% |
| 02/24 | 1,553 | 1,568 | 1,547 | 1,565 | +1.82% | 31,800 | 485億7762万 | +5.89% |
| 02/20 | 1,512 | 1,546 | 1,510 | 1,537 | +1.52% | 30,600 | 477億850万 | +4.27% |
| 02/19 | 1,517 | 1,519 | 1,497 | 1,514 | +0.73% | 16,800 | 469億9458万 | +2.99% |
| 02/18 | 1,500 | 1,514 | 1,500 | 1,503 | 0% | 15,100 | 466億5314万 | +2.45% |
| 02/17 | 1,492 | 1,507 | 1,488 | 1,503 | +1.55% | 37,300 | 466億5314万 | +2.66% |
| 02/16 | 1,482 | 1,484 | 1,467 | 1,480 | -0.4% | 19,200 | 459億3922万 | +1.23% |
| 02/13 | 1,510 | 1,523 | 1,472 | 1,486 | -1.85% | 29,500 | 461億2546万 | +1.71% |
| 02/12 | 1,487 | 1,532 | 1,487 | 1,514 | +2.3% | 52,200 | 469億9458万 | +3.7% |
| 02/10 | 1,508 | 1,523 | 1,459 | 1,480 | -1.86% | 98,100 | 459億3922万 | +1.58% |
| 02/09 | 1,502 | 1,522 | 1,482 | 1,508 | +0.6% | 63,200 | 468億834万 | +3.79% |
| 02/06 | (IR情報)11:30 2026年3月期第3四半期決算短信〔日本基準〕(連結) |
| 02/06 | 1,462 | 1,499 | 1,435 | 1,499 | +2.39% | 39,500 | 465億2898万 | +3.59% |
| 02/05 | 1,475 | 1,490 | 1,451 | 1,464 | -0.75% | 31,300 | 454億4258万 | +1.6% |
| 02/04 | 1,450 | 1,477 | 1,450 | 1,475 | +0.82% | 40,500 | 457億8402万 | +2.64% |
| 02/03 | 1,463 | 1,477 | 1,443 | 1,463 | +1.18% | 34,700 | 454億1154万 | +2.16% |
| 02/02 | 1,432 | 1,461 | 1,432 | 1,446 | +0.98% | 27,300 | 448億8386万 | +1.33% |
| 01/30 | 1,423 | 1,442 | 1,409 | 1,432 | +0.49% | 22,400 | 444億4930万 | +0.7% |
| 01/29 | 1,409 | 1,433 | 1,391 | 1,425 | +0.14% | 34,800 | 442億3202万 | +0.56% |
| 01/28 | 1,450 | 1,450 | 1,416 | 1,423 | -1.52% | 72,200 | 441億6994万 | +0.85% |
| 01/27 | 1,433 | 1,455 | 1,430 | 1,445 | +0.14% | 24,000 | 448億5282万 | +2.92% |
| 01/26 | 1,433 | 1,455 | 1,420 | 1,443 | -0.89% | 49,200 | 447億9074万 | +3.29% |
| 01/23 | 1,499 | 1,499 | 1,456 | 1,456 | -2.87% | 32,200 | 451億9426万 | +4.82% |
| 01/22 | 1,466 | 1,504 | 1,466 | 1,499 | +2.53% | 31,200 | 465億2898万 | +8.47% |
| 01/21 | 1,448 | 1,479 | 1,448 | 1,462 | -0.54% | 21,600 | 453億8050万 | +6.48% |
| 01/20 | 1,457 | 1,488 | 1,435 | 1,470 | +0.82% | 57,100 | 456億2882万 | +7.69% |
| 01/19 | 1,468 | 1,468 | 1,444 | 1,458 | -0.41% | 22,800 | 452億5634万 | +7.44% |
| 01/16 | 1,435 | 1,465 | 1,430 | 1,464 | +1.17% | 20,900 | 454億4258万 | +8.52% |
| 01/15 | 1,421 | 1,450 | 1,421 | 1,447 | +1.05% | 19,200 | 449億1490万 | +7.9% |
| 01/14 | 1,438 | 1,440 | 1,419 | 1,432 | +0.14% | 17,400 | 444億4930万 | +7.35% |
| 01/13 | 1,460 | 1,460 | 1,411 | 1,430 | -1.45% | 88,700 | 443億8722万 | +7.76% |
| 01/09 | 1,452 | 1,467 | 1,450 | 1,451 | -0.07% | 33,700 | 450億3906万 | +9.84% |
| 01/08 | 1,451 | 1,465 | 1,446 | 1,452 | -0.82% | 48,400 | 450億7010万 | +10.59% |
| 01/07 | 1,424 | 1,464 | 1,424 | 1,464 | +1.74% | 38,500 | 454億4258万 | +12.27% |
| 01/06 | (自社株買い)取締役会(2025年12月5日)での決議状況(取得期間2025年12月8日~2025年12月8日) |
| 01/06 | 1,399 | 1,444 | 1,399 | 1,439 | +3.6% | 49,600 | 446億6658万 | +11.03% |
| 01/05 | 1,355 | 1,389 | 1,350 | 1,389 | +2.74% | 24,900 | 431億1458万 | +7.84% |