| 2026 |
| 10/01 | 1,183 | 1,191 | 1,179 | 1,186 | +0.08% | 27,900 | - | -3.42% |
| 09/30 | 1,183 | 1,191 | 1,172 | 1,185 | +0.17% | 32,000 | - | -3.74% |
| 09/29 | 1,212 | 1,220 | 1,183 | 1,183 | -4.52% | 51,800 | - | -4.13% |
| 09/29 | (空売り報告)モルガン・スタンレーMUFG証券 163,122株(0.5%)再IN |
| 09/28 | 1,235 | 1,243 | 1,228 | 1,239 | +0.57% | 38,900 | - | +0.24% |
| 09/25 | 1,214 | 1,234 | 1,214 | 1,232 | +0.9% | 28,500 | - | -0.32% |
| 09/24 | 1,223 | 1,238 | 1,218 | 1,221 | -0.08% | 33,500 | - | -1.29% |
| 09/18 | 1,233 | 1,239 | 1,217 | 1,222 | -0.41% | 56,400 | - | -1.21% |
| 09/17 | (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) |
| 09/17 | 1,238 | 1,242 | 1,224 | 1,227 | -0.89% | 48,000 | - | -0.81% |
| 09/16 | 1,232 | 1,240 | 1,231 | 1,238 | +0.24% | 14,900 | - | +0.08% |
| 09/15 | 1,222 | 1,235 | 1,221 | 1,235 | +0.9% | 19,400 | - | -0.16% |
| 09/14 | 1,203 | 1,225 | 1,203 | 1,224 | +1.75% | 29,200 | - | -0.97% |
| 09/11 | 1,210 | 1,214 | 1,203 | 1,203 | -0.66% | 28,800 | - | -2.67% |
| 09/10 | 1,216 | 1,220 | 1,210 | 1,211 | -0.41% | 18,600 | - | -2.02% |
| 09/09 | 1,220 | 1,221 | 1,209 | 1,216 | -0.41% | 17,900 | - | -1.54% |
| 09/08 | 1,220 | 1,226 | 1,206 | 1,221 | +0.08% | 21,700 | - | -0.97% |
| 09/08 | (空売り報告)モルガン・スタンレーMUFG証券 161,722株(0.49%)-0.08%義務消失 |
| 09/07 | 1,238 | 1,238 | 1,220 | 1,220 | -1.85% | 29,200 | - | -0.97% |
| 09/04 | 1,244 | 1,247 | 1,238 | 1,243 | +0.16% | 23,000 | - | +0.89% |
| 09/03 | (IR情報)16:00 2027年3月期第1四半期決算発表日に関するお知らせ |
| 09/03 | 1,245 | 1,251 | 1,241 | 1,241 | +0.24% | 18,000 | - | +0.73% |
| 09/02 | 1,235 | 1,249 | 1,231 | 1,238 | +0.32% | 29,900 | - | +0.41% |
| 09/01 | 1,250 | 1,251 | 1,232 | 1,234 | -1.36% | 30,600 | - | +0.16% |
| 08/31 | (IR情報)16:00 2026年3月期有価証券報告書の提出完了に関するお知らせ |
| 08/31 | (IR情報)16:00 財務報告に係る内部統制の開示すべき重要な不備に関するお知らせ |
| 08/31 | 1,256 | 1,262 | 1,251 | 1,251 | -0.32% | 18,100 | - | +1.62% |
| 08/28 | 1,262 | 1,276 | 1,253 | 1,255 | -0.95% | 33,400 | - | +2.12% |
| 08/27 | 1,264 | 1,274 | 1,258 | 1,267 | +0.24% | 25,600 | - | +3.34% |
| 08/26 | 1,251 | 1,267 | 1,251 | 1,264 | +1.28% | 20,000 | - | +3.35% |
| 08/25 | 1,259 | 1,266 | 1,248 | 1,248 | -0.87% | 20,600 | - | +2.3% |
| 08/24 | 1,255 | 1,266 | 1,253 | 1,259 | +0.48% | 26,500 | - | +3.37% |
| 08/21 | 1,242 | 1,258 | 1,242 | 1,253 | +0.48% | 24,700 | - | +3.13% |
| 08/20 | (IR情報)18:30 サイバー攻撃によるシステム障害発生のお知らせ(最終報) |
| 08/20 | 1,237 | 1,250 | 1,237 | 1,247 | +0.97% | 28,500 | - | +2.8% |
| 08/19 | 1,246 | 1,250 | 1,233 | 1,235 | -0.48% | 33,700 | - | +2.07% |
| 08/18 | 1,238 | 1,246 | 1,232 | 1,241 | +0.24% | 21,800 | - | +2.73% |
| 08/17 | 1,227 | 1,247 | 1,224 | 1,238 | +0.9% | 38,600 | - | +2.65% |
| 08/14 | 1,227 | 1,233 | 1,217 | 1,227 | 0% | 21,700 | - | +1.91% |
| 08/13 | 1,230 | 1,235 | 1,222 | 1,227 | +0.08% | 21,000 | - | +2% |
| 08/12 | 1,229 | 1,230 | 1,216 | 1,226 | +0.25% | 22,200 | - | +2% |
| 08/10 | 1,215 | 1,238 | 1,210 | 1,223 | +0.66% | 31,200 | - | +1.92% |
| 08/07 | 1,210 | 1,219 | 1,202 | 1,215 | +1.17% | 23,400 | - | +1.33% |
| 08/06 | 1,177 | 1,202 | 1,177 | 1,201 | +1.95% | 25,500 | - | +0.33% |
| 08/05 | 1,177 | 1,185 | 1,176 | 1,178 | +0.26% | 22,600 | - | -1.42% |
| 08/04 | 1,188 | 1,200 | 1,175 | 1,175 | -0.93% | 41,100 | - | -1.59% |
| 08/04 | (空売り報告)Barclays Capital Securities Ltd 161,080株(0.49%)-0.09%義務消失 |
| 08/03 | 1,215 | 1,218 | 1,185 | 1,186 | -2.47% | 57,600 | - | -0.67% |
| 08/03 | (空売り報告)モルガン・スタンレーMUFG証券 187,633株(0.57%)-0.1% |
| 07/31 | 1,250 | 1,251 | 1,214 | 1,216 | -2.88% | 43,300 | - | +2.01% |
| 07/30 | (IR情報)16:00 第47回定時株主総会の継続会の開催日等に関するお知らせ |
| 07/30 | (IR情報)16:00 2026年3月期決算短信〔日本基準〕(非連結) |
| 07/30 | 1,250 | 1,263 | 1,245 | 1,252 | -0.48% | 42,300 | - | +5.3% |
| 07/29 | 1,230 | 1,259 | 1,217 | 1,258 | +3.2% | 71,600 | - | +6.25% |
| 07/28 | 1,222 | 1,229 | 1,209 | 1,219 | -0.25% | 35,800 | - | +3.39% |
| 07/27 | 1,200 | 1,222 | 1,200 | 1,222 | +2.52% | 44,900 | - | +4% |
| 07/27 | (空売り報告)モルガン・スタンレーMUFG証券 220,133株(0.67%)-0.12% |
| 07/24 | 1,178 | 1,198 | 1,171 | 1,192 | +0.93% | 22,300 | - | +1.79% |
| 07/24 | (空売り報告)Barclays Capital Securities Ltd 190,580株(0.58%)-0.11% |
| 07/23 | 1,195 | 1,195 | 1,181 | 1,181 | -0.42% | 10,300 | - | +1.2% |
| 07/22 | 1,182 | 1,191 | 1,175 | 1,186 | -0.34% | 29,000 | - | +1.8% |
| 07/21 | 1,204 | 1,221 | 1,188 | 1,190 | -1.08% | 30,900 | - | +2.32% |
| 07/17 | 1,190 | 1,209 | 1,187 | 1,203 | +1.43% | 37,500 | - | +3.62% |
| 07/16 | (IR情報)16:00 2027年3月期第1四半期決算短信の開示が四半期末後45日を超えることに関するお知らせ |
| 07/16 | (IR情報)16:00 2026年3月期決算発表日に関するお知らせ |
| 07/16 | 1,192 | 1,204 | 1,184 | 1,186 | -0.5% | 27,500 | - | +2.42% |
| 07/15 | 1,185 | 1,201 | 1,184 | 1,192 | +0.59% | 23,200 | - | +3.11% |
| 07/14 | 1,198 | 1,203 | 1,185 | 1,185 | -0.42% | 24,500 | - | +2.78% |
| 07/13 | 1,195 | 1,207 | 1,190 | 1,190 | +0.51% | 24,000 | - | +3.39% |
| 07/10 | 1,199 | 1,201 | 1,184 | 1,184 | -0.84% | 29,700 | - | +3.23% |
| 07/09 | 1,196 | 1,203 | 1,179 | 1,194 | -0.08% | 25,400 | - | +4.46% |
| 07/08 | 1,206 | 1,215 | 1,195 | 1,195 | -0.91% | 41,500 | - | +5.01% |
| 07/07 | 1,183 | 1,207 | 1,183 | 1,206 | +1.94% | 35,200 | - | +6.44% |
| 07/06 | 1,181 | 1,190 | 1,172 | 1,183 | +0.68% | 24,700 | - | +4.88% |
| 07/06 | (空売り報告)モルガン・スタンレーMUFG証券 257,718株(0.79%)-0.01% |
| 07/03 | 1,181 | 1,190 | 1,173 | 1,175 | +0.69% | 41,800 | - | +4.63% |
| 07/02 | 1,154 | 1,182 | 1,154 | 1,167 | +1.3% | 25,200 | - | +4.2% |
| 07/01 | 1,166 | 1,166 | 1,151 | 1,152 | -1.2% | 21,700 | - | +3.13% |
| 06/30 | (IR情報)13:00 2026年3月期有価証券報告書の提出期限延長申請の承認に関するお知らせ |
| 06/30 | 1,170 | 1,180 | 1,161 | 1,166 | +0.09% | 30,900 | - | +4.57% |
| 06/30 | (空売り報告)Barclays Capital Securities Ltd 224,380株(0.69%)-0.04% |
| 06/29 | (IR情報)16:00 2026年3月期有価証券報告書の提出期限延長に係る承認申請書提出のお知らせ |
| 06/29 | 1,151 | 1,168 | 1,142 | 1,165 | +2.01% | 31,300 | - | +4.77% |
| 06/26 | (IR情報)16:00 COTA OKAYAMA STUDIO OFFICEの新設及び岡山支店の移転に関するお知らせ |
| 06/26 | 1,135 | 1,153 | 1,130 | 1,142 | +0.35% | 27,800 | - | +2.88% |
| 06/25 | 1,131 | 1,139 | 1,124 | 1,138 | +0.71% | 22,300 | - | +2.61% |
| 06/24 | 1,129 | 1,145 | 1,124 | 1,130 | +0.44% | 24,300 | - | +1.89% |
| 06/23 | 1,119 | 1,131 | 1,114 | 1,125 | +0.45% | 20,400 | - | +1.35% |
| 06/22 | 1,130 | 1,131 | 1,119 | 1,120 | -0.09% | 15,900 | - | +0.9% |
| 06/19 | (IR情報)16:00 代表取締役の異動及び役員の管掌変更に関するお知らせ |
| 06/19 | 1,110 | 1,137 | 1,108 | 1,121 | +0.99% | 41,600 | - | +0.9% |
| 06/18 | 1,120 | 1,128 | 1,110 | 1,110 | -1.68% | 16,700 | - | -0.27% |
| 06/17 | 1,129 | 1,143 | 1,126 | 1,129 | +0.98% | 28,900 | - | +1.26% |
| 06/16 | 1,140 | 1,140 | 1,103 | 1,118 | -1.93% | 32,700 | - | +0.18% |
| 06/15 | 1,147 | 1,147 | 1,131 | 1,140 | -0.26% | 29,500 | - | +2.15% |
| 06/12 | 1,132 | 1,146 | 1,130 | 1,143 | +1.24% | 38,300 | - | +2.51% |
| 06/11 | (IR情報)16:00 糖酸化ダメージ抑制剤の特許権取得のお知らせ |
| 06/11 | 1,131 | 1,139 | 1,120 | 1,129 | -0.09% | 27,600 | - | +1.16% |
| 06/11 | (空売り報告)モルガン・スタンレーMUFG証券 259,318株(0.8%)+0.01% |
| 06/10 | 1,117 | 1,135 | 1,117 | 1,130 | +0.09% | 37,500 | - | +1.16% |
| 06/09 | 1,094 | 1,129 | 1,092 | 1,129 | +3.2% | 46,100 | - | +1.07% |
| 06/08 | 1,085 | 1,097 | 1,082 | 1,094 | +0.92% | 43,700 | - | -1.97% |
| 06/08 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 383,132株(1.18%)-0.02% |
| 06/05 | (IR情報)12:30 サイバー攻撃によるシステム障害発生のお知らせ(第4報) |
| 06/05 | 1,058 | 1,088 | 1,058 | 1,084 | +2.17% | 21,900 | - | -3.04% |
| 06/04 | 1,060 | 1,068 | 1,047 | 1,061 | -0.47% | 39,800 | - | -5.27% |
| 06/04 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 389,032株(1.2%)+0.01% |
| 06/03 | 1,072 | 1,087 | 1,059 | 1,066 | -0.56% | 33,100 | - | -5.08% |
| 06/03 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 388,432株(1.19%)-0.01% |
| 06/02 | 1,060 | 1,081 | 1,052 | 1,072 | -0.65% | 48,000 | - | -4.71% |
| 06/02 | (空売り報告)モルガン・スタンレーMUFG証券 256,218株(0.79%)-0.01% |
| 06/02 | (空売り報告)Barclays Capital Securities Ltd 239,380株(0.73%)+0.09% |
| 06/01 | 1,085 | 1,088 | 1,065 | 1,079 | -1.37% | 44,000 | - | -4.26% |
| 05/29 | 1,092 | 1,110 | 1,092 | 1,094 | +0.37% | 25,600 | - | -3.27% |
| 05/29 | (空売り報告)Barclays Capital Securities Ltd 209,970株(0.64%)-0.15% |
| 05/28 | 1,095 | 1,096 | 1,079 | 1,090 | -1.36% | 46,400 | - | -3.88% |
| 05/28 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 388,532株(1.2%)+0.01% |
| 05/27 | 1,100 | 1,109 | 1,097 | 1,105 | +0.73% | 38,800 | - | -2.81% |
| 05/27 | (空売り報告)GOLDMAN SACHS INTERNATIONAL 388,432株(1.19%)-0.08% |
| 05/26 | 1,110 | 1,110 | 1,096 | 1,097 | -1.53% | 43,400 | - | -3.69% |
| 05/25 | 1,119 | 1,120 | 1,112 | 1,114 | -0.45% | 26,400 | - | -2.45% |
| 05/22 | 1,124 | 1,125 | 1,112 | 1,119 | -0.36% | 20,800 | - | -2.1% |
| 05/21 | 1,142 | 1,153 | 1,123 | 1,123 | -2.01% | 28,300 | - | -1.92% |
| 05/20 | 1,140 | 1,157 | 1,135 | 1,146 | +0.35% | 34,600 | - | 0% |
| 05/19 | 1,139 | 1,164 | 1,139 | 1,142 | +0.26% | 24,700 | - | -0.52% |
| 05/18 | 1,150 | 1,153 | 1,132 | 1,139 | -2.06% | 35,300 | - | -1.04% |
| 05/15 | 1,160 | 1,168 | 1,151 | 1,163 | +0.43% | 28,500 | - | +0.78% |
| 05/14 | (IR情報)16:00 役員の異動に関するお知らせ |
| 05/14 | (IR情報)16:00 定款の一部変更に関するお知らせ |
| 05/14 | (IR情報)16:00 剰余金の配当に関するお知らせ |
| 05/14 | (IR情報)16:00 第47回定時株主総会の継続会の開催方針に関するお知らせ |
| 05/14 | 1,154 | 1,158 | 1,140 | 1,158 | +0.26% | 31,800 | - | +0.26% |
| 05/14 | (空売り報告)Barclays Capital Securities Ltd 246,270株(0.79%)-0.1% |
| 05/13 | 1,121 | 1,160 | 1,121 | 1,155 | +2.58% | 29,300 | - | -0.17% |
| 05/13 | (空売り報告)モルガン・スタンレーMUFG証券 260,018株(0.8%)+0.03% |
| 05/12 | 1,126 | 1,134 | 1,115 | 1,126 | +0.45% | 21,400 | - | -2.76% |
| 05/11 | 1,110 | 1,125 | 1,096 | 1,121 | -2.86% | 85,500 | - | -3.45% |
| 05/08 | 1,154 | 1,161 | 1,140 | 1,154 | 0% | 45,000 | - | -0.77% |