| 2026 |
| 10/02 | 1,328 | 1,332 | 1,323 | 1,324 | -0.3% | 5,400 | - | +0.08% |
| 10/01 | 1,328 | 1,328 | 1,323 | 1,328 | +0.38% | 1,600 | - | +0.38% |
| 09/30 | 1,326 | 1,328 | 1,322 | 1,323 | -0.3% | 4,200 | - | 0% |
| 09/29 | 1,320 | 1,327 | 1,320 | 1,327 | +0.53% | 2,700 | - | +0.3% |
| 09/28 | (IR情報)10:00 自社IP美少女プラモデル世界累計出荷数1,000万個突破のお知らせ |
| 09/28 | 1,322 | 1,325 | 1,319 | 1,320 | 0% | 6,400 | - | -0.23% |
| 09/25 | (IR情報)15:30 支配株主等に関する事項について |
| 09/25 | 1,322 | 1,322 | 1,318 | 1,320 | 0% | 3,900 | - | -0.23% |
| 09/24 | 1,321 | 1,324 | 1,320 | 1,320 | -0.08% | 2,600 | - | -0.23% |
| 09/18 | (IR情報)13:00 【お台場エリア初出店】期間限定店舗「コトブキヤ ダイバーシティ東京 プラザ店」を 2026年11月上旬オープン |
| 09/18 | 1,328 | 1,328 | 1,320 | 1,321 | -0.15% | 3,400 | - | -0.15% |
| 09/17 | 1,327 | 1,329 | 1,323 | 1,323 | -0.3% | 2,100 | - | -0.08% |
| 09/16 | 1,323 | 1,327 | 1,323 | 1,327 | +0.23% | 2,900 | - | +0.23% |
| 09/15 | 1,323 | 1,324 | 1,323 | 1,324 | +0.08% | 900 | - | 0% |
| 09/14 | 1,321 | 1,328 | 1,321 | 1,323 | +0.15% | 2,200 | - | -0.08% |
| 09/11 | 1,325 | 1,325 | 1,320 | 1,321 | +0.08% | 1,600 | - | -0.23% |
| 09/10 | 1,320 | 1,328 | 1,320 | 1,320 | -0.08% | 1,800 | - | -0.3% |
| 09/09 | 1,325 | 1,328 | 1,320 | 1,321 | -0.6% | 6,100 | - | -0.15% |
| 09/08 | 1,325 | 1,330 | 1,323 | 1,329 | +0.23% | 3,600 | - | +0.45% |
| 09/07 | 1,334 | 1,334 | 1,326 | 1,326 | +0.08% | 4,300 | - | +0.23% |
| 09/04 | 1,324 | 1,325 | 1,323 | 1,325 | +0.15% | 3,100 | - | +0.15% |
| 09/03 | 1,322 | 1,324 | 1,321 | 1,323 | +0.08% | 2,400 | - | +0.08% |
| 09/02 | 1,324 | 1,325 | 1,322 | 1,322 | -0.15% | 3,300 | - | 0% |
| 09/01 | 1,324 | 1,325 | 1,322 | 1,324 | 0% | 4,900 | - | +0.23% |
| 08/31 | 1,325 | 1,325 | 1,322 | 1,324 | +0.23% | 5,500 | - | +0.23% |
| 08/28 | 1,323 | 1,323 | 1,317 | 1,321 | -0.08% | 8,000 | - | +0.08% |
| 08/27 | 1,321 | 1,323 | 1,319 | 1,322 | -0.23% | 10,700 | - | +0.15% |
| 08/26 | 1,321 | 1,325 | 1,321 | 1,325 | +0.38% | 3,000 | - | +0.38% |
| 08/25 | 1,325 | 1,327 | 1,320 | 1,320 | -0.3% | 3,900 | - | +0.08% |
| 08/24 | 1,325 | 1,325 | 1,321 | 1,324 | -0.08% | 6,100 | - | +0.38% |
| 08/21 | 1,329 | 1,329 | 1,320 | 1,325 | +0.15% | 2,700 | - | +0.45% |
| 08/20 | 1,324 | 1,324 | 1,319 | 1,323 | -0.08% | 3,300 | - | +0.3% |
| 08/19 | 1,325 | 1,325 | 1,318 | 1,324 | +0.3% | 3,800 | - | +0.38% |
| 08/18 | 1,325 | 1,325 | 1,319 | 1,320 | +0.08% | 2,400 | - | +0.08% |
| 08/17 | 1,320 | 1,324 | 1,310 | 1,319 | -1.79% | 12,300 | - | 0% |
| 08/14 | (IR情報)15:30 2026年6月期決算補足説明資料 |
| 08/14 | (IR情報)15:30 2026年6月期決算短信〔日本基準〕(連結) |
| 08/14 | 1,334 | 1,345 | 1,323 | 1,343 | +1.05% | 12,700 | - | +1.82% |
| 08/13 | 1,328 | 1,330 | 1,324 | 1,329 | +0.08% | 4,500 | - | +0.83% |
| 08/12 | 1,328 | 1,328 | 1,323 | 1,328 | +0.61% | 3,800 | - | +0.76% |
| 08/10 | 1,319 | 1,324 | 1,319 | 1,320 | +0.38% | 4,400 | - | +0.15% |
| 08/07 | 1,320 | 1,320 | 1,315 | 1,315 | -0.15% | 1,400 | - | -0.23% |
| 08/06 | 1,312 | 1,320 | 1,312 | 1,317 | +0.38% | 4,200 | - | -0.08% |
| 08/05 | 1,312 | 1,324 | 1,310 | 1,312 | -0.46% | 8,600 | - | -0.53% |
| 08/04 | 1,321 | 1,321 | 1,310 | 1,318 | -0.08% | 3,200 | - | -0.08% |
| 08/03 | 1,321 | 1,321 | 1,315 | 1,319 | -0.15% | 1,200 | - | 0% |
| 07/31 | 1,319 | 1,321 | 1,313 | 1,321 | +0.23% | 4,100 | - | 0% |
| 07/30 | 1,310 | 1,318 | 1,308 | 1,318 | +0.3% | 2,500 | - | -0.38% |
| 07/29 | 1,307 | 1,314 | 1,307 | 1,314 | +0.15% | 3,400 | - | -0.83% |
| 07/28 | 1,311 | 1,314 | 1,308 | 1,312 | +0.38% | 4,400 | - | -1.13% |
| 07/27 | 1,310 | 1,310 | 1,303 | 1,307 | -0.08% | 3,800 | - | -1.66% |
| 07/24 | 1,309 | 1,310 | 1,302 | 1,308 | -0.08% | 2,600 | - | -1.73% |
| 07/23 | 1,317 | 1,317 | 1,302 | 1,309 | -0.68% | 11,900 | - | -1.8% |
| 07/22 | 1,318 | 1,318 | 1,315 | 1,318 | +0.15% | 3,600 | - | -1.27% |
| 07/21 | 1,320 | 1,324 | 1,316 | 1,316 | -0.3% | 5,000 | - | -1.5% |
| 07/17 | 1,324 | 1,327 | 1,320 | 1,320 | -0.3% | 3,600 | - | -1.27% |
| 07/16 | 1,327 | 1,327 | 1,320 | 1,324 | 0% | 3,000 | - | -0.97% |
| 07/15 | 1,320 | 1,326 | 1,320 | 1,324 | +0.23% | 2,200 | - | -0.97% |
| 07/14 | 1,320 | 1,323 | 1,318 | 1,321 | +0.08% | 2,500 | - | -1.27% |
| 07/13 | 1,324 | 1,328 | 1,320 | 1,320 | -0.45% | 4,100 | - | -1.35% |
| 07/10 | 1,322 | 1,327 | 1,320 | 1,326 | +0.3% | 4,100 | - | -0.9% |
| 07/09 | 1,329 | 1,330 | 1,322 | 1,322 | +0.08% | 2,600 | - | -1.2% |
| 07/08 | 1,328 | 1,332 | 1,321 | 1,321 | -0.53% | 3,900 | - | -1.34% |
| 07/07 | 1,330 | 1,335 | 1,321 | 1,328 | +0.23% | 3,800 | - | -0.82% |
| 07/06 | 1,333 | 1,333 | 1,321 | 1,325 | +0.38% | 3,600 | - | -1.05% |
| 07/03 | 1,320 | 1,325 | 1,318 | 1,320 | 0% | 3,700 | - | -1.49% |
| 07/02 | 1,325 | 1,325 | 1,308 | 1,320 | -0.15% | 9,300 | - | -1.57% |
| 07/01 | (IR情報)11:00 コトブキヤショップで会員ランクサービス開始、ランクに応じた特典を提供 |
| 07/01 | 1,322 | 1,344 | 1,322 | 1,322 | 0% | 5,800 | - | -1.42% |
| 06/30 | (IR情報)11:00 TVアニメ『貸した魔力は【リボ払い】で強制徴収』製作委員会に出資参加 |
| 06/30 | 1,325 | 1,332 | 1,317 | 1,322 | +0.76% | 7,800 | - | -1.49% |
| 06/29 | 1,340 | 1,340 | 1,301 | 1,312 | -4.23% | 24,100 | - | -2.16% |
| 06/26 | 1,372 | 1,372 | 1,364 | 1,370 | 0% | 15,300 | - | +2.16% |
| 06/25 | 1,372 | 1,373 | 1,363 | 1,370 | +0.15% | 8,600 | - | +2.32% |
| 06/24 | 1,361 | 1,368 | 1,355 | 1,368 | +0.51% | 5,200 | - | +2.32% |
| 06/23 | 1,375 | 1,375 | 1,356 | 1,361 | -0.07% | 6,000 | - | +1.95% |
| 06/22 | 1,367 | 1,374 | 1,355 | 1,362 | 0% | 6,500 | - | +2.18% |
| 06/19 | 1,370 | 1,370 | 1,360 | 1,362 | -0.58% | 4,500 | - | +2.33% |
| 06/18 | 1,363 | 1,370 | 1,360 | 1,370 | +1.33% | 8,000 | - | +3.01% |
| 06/17 | 1,342 | 1,353 | 1,342 | 1,352 | +0.97% | 5,300 | - | +1.81% |
| 06/16 | 1,361 | 1,361 | 1,334 | 1,339 | +0.15% | 9,100 | - | +0.98% |
| 06/15 | (IR情報)15:30 ムジュウリョク株式会社との合弁会社「株式会社VEID」設立に関するお知らせ |
| 06/15 | (IR情報)15:30 2026年6月期 株主優待(QUOカード)のデザインに関するお知らせ |
| 06/15 | 1,335 | 1,340 | 1,333 | 1,337 | +0.53% | 5,800 | - | +0.91% |
| 06/12 | 1,340 | 1,340 | 1,330 | 1,330 | -0.08% | 4,700 | - | +0.38% |
| 06/11 | 1,337 | 1,337 | 1,325 | 1,331 | +0.3% | 3,900 | - | +0.53% |
| 06/10 | (IR情報)12:00 自社IP美少女プラモデル世界累計出荷数980万個突破のお知らせ |
| 06/10 | 1,328 | 1,340 | 1,320 | 1,327 | -0.08% | 6,000 | - | +0.23% |
| 06/09 | 1,332 | 1,335 | 1,317 | 1,328 | -0.3% | 6,000 | - | +0.3% |
| 06/08 | 1,323 | 1,339 | 1,320 | 1,332 | +0.38% | 10,400 | - | +0.6% |
| 06/05 | 1,327 | 1,330 | 1,324 | 1,327 | 0% | 3,300 | - | +0.23% |
| 06/04 | 1,327 | 1,332 | 1,325 | 1,327 | 0% | 4,100 | - | +0.15% |
| 06/03 | 1,343 | 1,343 | 1,322 | 1,327 | -0.97% | 10,400 | - | +0.15% |
| 06/02 | 1,353 | 1,353 | 1,340 | 1,340 | -0.96% | 4,100 | - | +1.06% |
| 06/01 | 1,349 | 1,353 | 1,341 | 1,353 | +1.27% | 7,600 | - | +2.04% |
| 05/29 | 1,331 | 1,345 | 1,331 | 1,336 | +0.38% | 5,200 | - | +0.75% |
| 05/28 | 1,326 | 1,349 | 1,320 | 1,331 | +0.38% | 8,800 | - | +0.3% |
| 05/27 | 1,315 | 1,326 | 1,315 | 1,326 | +0.84% | 6,200 | - | -0.15% |
| 05/26 | 1,320 | 1,320 | 1,315 | 1,315 | +0.15% | 3,100 | - | -1.05% |
| 05/25 | 1,325 | 1,325 | 1,311 | 1,313 | -0.3% | 6,200 | - | -1.28% |
| 05/22 | 1,312 | 1,317 | 1,310 | 1,317 | +0.38% | 2,900 | - | -1.13% |
| 05/21 | 1,318 | 1,324 | 1,311 | 1,312 | -0.61% | 3,900 | - | -1.65% |
| 05/20 | 1,310 | 1,328 | 1,309 | 1,320 | +0.3% | 4,400 | - | -1.2% |
| 05/19 | 1,311 | 1,316 | 1,304 | 1,316 | +0.69% | 5,500 | - | -1.64% |
| 05/18 | 1,326 | 1,332 | 1,307 | 1,307 | -1.73% | 11,400 | - | -2.46% |
| 05/15 | (IR情報)15:30 2026年6月期第3四半期決算補足説明資料 |
| 05/15 | (IR情報)15:30 2026年6月期第3四半期決算短信〔日本基準〕(連結) |
| 05/15 | 1,320 | 1,331 | 1,320 | 1,330 | +0.91% | 2,500 | - | -0.89% |
| 05/14 | 1,316 | 1,318 | 1,307 | 1,318 | +0.23% | 7,900 | - | -1.93% |
| 05/13 | 1,316 | 1,329 | 1,315 | 1,315 | -0.08% | 4,500 | - | -2.3% |
| 05/12 | 1,321 | 1,327 | 1,310 | 1,316 | -0.38% | 9,900 | - | -2.3% |
| 05/11 | 1,326 | 1,330 | 1,321 | 1,321 | -0.3% | 4,900 | - | -2% |