| 2026 |
| 09/11 | 1,963 | 1,984 | 1,962 | 1,982 | 0% | 120,300 | 993億3623万 | -3.36% |
| 09/10 | 1,965 | 1,982 | 1,956 | 1,982 | +0.25% | 169,100 | 993億3623万 | -3.51% |
| 09/09 | 1,980 | 1,985 | 1,971 | 1,977 | -0.15% | 105,700 | 990億8563万 | -3.89% |
| 09/08 | 1,986 | 1,991 | 1,977 | 1,980 | -0.3% | 108,600 | 992億3599万 | -3.84% |
| 09/07 | 1,983 | 1,999 | 1,983 | 1,986 | +0.15% | 156,400 | 995億3671万 | -3.73% |
| 09/04 | 1,977 | 1,990 | 1,961 | 1,983 | -0.45% | 232,400 | 993億8635万 | -4.06% |
| 09/03 | 2,008 | 2,018 | 1,990 | 1,992 | -0.94% | 220,000 | 998億3742万 | -3.95% |
| 09/02 | 2,019 | 2,024 | 2,007 | 2,011 | -0.1% | 129,100 | 1007億8969万 | -3.41% |
| 09/01 | (IR情報)10:00 「イオナ エフ RJダーマ」シリーズ新発売のお知らせ |
| 09/01 | 2,023 | 2,038 | 2,011 | 2,013 | -0.4% | 176,600 | 1008億8992万 | -3.55% |
| 08/31 | 2,039 | 2,043 | 2,012 | 2,021 | -0.93% | 216,700 | 1012億9088万 | -3.3% |
| 08/28 | 2,054 | 2,063 | 2,040 | 2,040 | -0.83% | 215,500 | 1022億4314万 | -2.53% |
| 08/27 | 2,070 | 2,083 | 2,055 | 2,057 | -0.58% | 159,800 | 1030億9517万 | -1.81% |
| 08/26 | 2,086 | 2,095 | 2,063 | 2,069 | -0.05% | 161,900 | 1036億9660万 | -1.34% |
| 08/25 | 2,078 | 2,096 | 2,063 | 2,070 | -2.4% | 169,000 | 1037億4672万 | -1.29% |
| 08/24 | 2,156 | 2,173 | 2,106 | 2,121 | -1.49% | 120,000 | 1063億280万 | +1.14% |
| 08/21 | 2,150 | 2,163 | 2,136 | 2,153 | +0.14% | 63,000 | 1079億661万 | +2.87% |
| 08/20 | 2,127 | 2,160 | 2,119 | 2,150 | +1.51% | 149,200 | 1077億5625万 | +2.87% |
| 08/19 | 2,120 | 2,126 | 2,099 | 2,118 | +0.28% | 59,600 | 1061億5244万 | +1.53% |
| 08/18 | 2,080 | 2,126 | 2,073 | 2,112 | +0.86% | 75,800 | 1058億5172万 | +1.34% |
| 08/17 | 2,108 | 2,127 | 2,091 | 2,094 | -0.81% | 105,300 | 1049億4958万 | +0.53% |
| 08/14 | 2,080 | 2,114 | 2,078 | 2,111 | +1.49% | 113,800 | 1058億161万 | +1.39% |
| 08/13 | 2,078 | 2,090 | 2,064 | 2,080 | +0.1% | 79,000 | 1042億4791万 | -0.05% |
| 08/12 | 2,083 | 2,088 | 2,062 | 2,078 | +1.02% | 109,600 | 1041億4767万 | -0.1% |
| 08/10 | 2,043 | 2,062 | 2,032 | 2,057 | +1.08% | 97,200 | 1030億9517万 | -1.11% |
| 08/07 | 2,030 | 2,047 | 1,978 | 2,035 | -1.36% | 277,500 | 1019億9255万 | -2.16% |
| 08/06 | (IR情報)16:00 2027年3月期第1四半期決算短信〔日本基準〕(連結) |
| 08/06 | 2,045 | 2,075 | 2,045 | 2,063 | +1.03% | 92,500 | 1033億9588万 | -0.82% |
| 08/05 | 2,045 | 2,050 | 2,029 | 2,042 | -0.15% | 103,600 | 1023億4338万 | -1.73% |
| 08/04 | 2,050 | 2,069 | 2,035 | 2,045 | -1.16% | 107,900 | 1024億9374万 | -1.59% |
| 08/03 | 2,095 | 2,095 | 2,049 | 2,069 | -1% | 106,300 | 1036億9660万 | -0.43% |
| 07/31 | 2,148 | 2,161 | 2,090 | 2,090 | -3.69% | 85,700 | 1047億4910万 | +0.63% |
| 07/30 | 2,183 | 2,186 | 2,138 | 2,170 | -0.78% | 94,100 | 1087億5864万 | +4.63% |
| 07/29 | 2,139 | 2,203 | 2,137 | 2,187 | +3.16% | 127,400 | 1096億1066万 | +5.7% |
| 07/28 | 2,119 | 2,132 | 2,104 | 2,120 | +0.76% | 104,400 | 1062億5268万 | +2.81% |
| 07/27 | 2,081 | 2,109 | 2,073 | 2,104 | +1.11% | 70,000 | 1054億5077万 | +2.24% |
| 07/24 | 2,067 | 2,094 | 2,058 | 2,081 | -0.38% | 61,800 | 1042億9803万 | +1.22% |
| 07/23 | 2,108 | 2,108 | 2,076 | 2,089 | -0.9% | 59,600 | 1046億9898万 | +1.65% |
| 07/22 | 2,100 | 2,116 | 2,085 | 2,108 | +1.01% | 93,400 | 1056億5125万 | +2.63% |
| 07/21 | 2,067 | 2,109 | 2,065 | 2,087 | +1.61% | 88,000 | 1045億9874万 | +1.61% |
| 07/17 | 2,052 | 2,069 | 2,048 | 2,054 | +0.69% | 75,100 | 1029億4481万 | -0.05% |
| 07/16 | 2,076 | 2,084 | 2,032 | 2,040 | -1.02% | 62,500 | 1022億4314万 | -0.92% |
| 07/15 | 2,061 | 2,076 | 2,046 | 2,061 | +0.1% | 58,900 | 1032億9565万 | -0.1% |
| 07/14 | 2,073 | 2,086 | 2,057 | 2,059 | 0% | 49,300 | 1031億9541万 | -0.34% |
| 07/13 | 2,077 | 2,084 | 2,054 | 2,059 | -1.01% | 65,500 | 1031億9541万 | -0.44% |
| 07/10 | 2,082 | 2,090 | 2,067 | 2,080 | -0.1% | 87,300 | 1042億4791万 | +0.48% |
| 07/09 | 2,090 | 2,096 | 2,077 | 2,082 | -0.1% | 57,100 | 1043億4815万 | +0.53% |
| 07/08 | 2,085 | 2,102 | 2,070 | 2,084 | +0.82% | 113,900 | 1044億4839万 | +0.63% |
| 07/07 | 2,080 | 2,098 | 2,063 | 2,067 | -0.39% | 241,500 | 1035億9636万 | -0.19% |
| 07/06 | 2,055 | 2,080 | 2,042 | 2,075 | +1.32% | 98,000 | 1039億9731万 | +0.05% |
| 07/03 | 2,059 | 2,073 | 2,042 | 2,048 | +0.34% | 62,300 | 1026億4410万 | -1.54% |
| 07/02 | 2,031 | 2,054 | 2,025 | 2,041 | +1.59% | 80,300 | 1022億9326万 | -2.34% |
| 07/01 | 2,026 | 2,026 | 2,003 | 2,009 | -1.57% | 83,500 | 1006億8945万 | -4.29% |
| 06/30 | 2,044 | 2,056 | 2,031 | 2,041 | -0.15% | 161,300 | 1022億9326万 | -3.32% |
| 06/29 | 2,053 | 2,079 | 2,026 | 2,044 | +0.29% | 99,200 | 1024億4362万 | -3.72% |
| 06/26 | 2,026 | 2,038 | 2,016 | 2,038 | +0.59% | 137,300 | 1021億4290万 | -4.68% |
| 06/25 | 2,045 | 2,047 | 2,020 | 2,026 | -0.54% | 72,400 | 1015億4147万 | -5.81% |
| 06/24 | 2,020 | 2,051 | 2,019 | 2,037 | +0.84% | 126,500 | 1020億9279万 | -5.91% |
| 06/23 | 2,025 | 2,040 | 2,012 | 2,020 | -0.25% | 120,300 | 1012億4076万 | -7.3% |
| 06/22 | 2,049 | 2,059 | 2,013 | 2,025 | -1.17% | 85,300 | 1014億9135万 | -7.66% |
| 06/19 | 2,035 | 2,055 | 2,017 | 2,049 | -0.1% | 119,200 | 1026億9422万 | -7.12% |
| 06/18 | 2,082 | 2,082 | 2,050 | 2,051 | -0.97% | 136,400 | 1027億9445万 | -7.53% |
| 06/17 | 2,114 | 2,135 | 2,066 | 2,071 | -1.99% | 57,000 | 1037億9684万 | -7.13% |
| 06/16 | 2,115 | 2,120 | 2,090 | 2,113 | +0.24% | 49,300 | 1059億184万 | -5.67% |
| 06/15 | 2,153 | 2,154 | 2,108 | 2,108 | -1.63% | 51,300 | 1056億5125万 | -6.23% |
| 06/12 | 2,143 | 2,160 | 2,127 | 2,143 | -0.23% | 64,800 | 1074億542万 | -4.97% |
| 06/11 | 2,149 | 2,150 | 2,111 | 2,148 | +0.42% | 73,900 | 1076億5602万 | -4.75% |
| 06/10 | 2,117 | 2,150 | 2,117 | 2,139 | +1.71% | 99,400 | 1072億494万 | -5.1% |
| 06/09 | 2,126 | 2,130 | 2,102 | 2,103 | +0.05% | 72,000 | 1054億65万 | -6.7% |
| 06/08 | 2,090 | 2,114 | 2,085 | 2,102 | -0.05% | 78,900 | 1053億5053万 | -6.83% |
| 06/05 | 2,095 | 2,120 | 2,093 | 2,103 | +1.06% | 58,300 | 1054億65万 | -6.95% |
| 06/04 | 2,105 | 2,106 | 2,075 | 2,081 | -0.72% | 62,500 | 1042億9803万 | -8.08% |
| 06/03 | 2,136 | 2,142 | 2,084 | 2,096 | -1.6% | 86,200 | 1050億4982万 | -7.58% |
| 06/02 | 2,186 | 2,193 | 2,130 | 2,130 | -4.48% | 87,700 | 1067億5387万 | -6.25% |
| 06/01 | 2,295 | 2,295 | 2,200 | 2,230 | -2.71% | 122,400 | 1117億6579万 | -1.93% |
| 05/29 | 2,270 | 2,292 | 2,267 | 2,292 | +0.97% | 150,000 | 1148億7318万 | +0.7% |
| 05/28 | 2,333 | 2,333 | 2,267 | 2,270 | -2.11% | 77,000 | 1137億7056万 | -0.26% |
| 05/27 | 2,338 | 2,340 | 2,303 | 2,319 | -1.11% | 56,900 | 1162億2640万 | +1.8% |
| 05/26 | 2,391 | 2,391 | 2,322 | 2,345 | -2.29% | 72,600 | 1175億2950万 | +2.99% |
| 05/25 | 2,398 | 2,405 | 2,370 | 2,400 | +0.84% | 59,200 | 1202億8605万 | +5.49% |
| 05/22 | 2,376 | 2,383 | 2,332 | 2,380 | +0.17% | 66,200 | 1192億8367万 | +4.8% |
| 05/21 | 2,396 | 2,434 | 2,370 | 2,376 | -0.13% | 76,200 | 1190億8319万 | +4.76% |
| 05/20 | 2,397 | 2,408 | 2,346 | 2,379 | +0.08% | 85,500 | 1192億3355万 | +5.03% |
| 05/19 | 2,355 | 2,398 | 2,351 | 2,377 | +1.67% | 85,400 | 1191億3331万 | +4.99% |
| 05/18 | 2,342 | 2,350 | 2,316 | 2,338 | -0.51% | 83,900 | 1171億7866万 | +3.41% |
| 05/15 | 2,367 | 2,380 | 2,333 | 2,350 | +0.04% | 80,900 | 1177億8009万 | +3.98% |
| 05/14 | 2,306 | 2,369 | 2,294 | 2,349 | +1.38% | 80,800 | 1177億2997万 | +4.03% |
| 05/13 | 2,320 | 2,349 | 2,289 | 2,317 | -0.13% | 99,800 | 1161億2616万 | +2.75% |
| 05/12 | 2,285 | 2,335 | 2,246 | 2,320 | +1.53% | 155,600 | 1162億7652万 | +2.93% |
| 05/11 | 2,204 | 2,323 | 2,204 | 2,285 | +6.53% | 243,400 | 1145億2234万 | +1.47% |
| 05/08 | (IR情報)16:00 剰余金の配当(増配)に関するお知らせ |
| 05/08 | (IR情報)16:00 取締役候補者の選任に関するお知らせ |
| 05/08 | (IR情報)16:00 2026年3月期決算短信〔日本基準〕(連結) |
| 05/08 | 2,136 | 2,145 | 2,078 | 2,145 | +0.47% | 154,000 | 1075億566万 | -4.62% |
| 05/07 | 2,157 | 2,181 | 2,127 | 2,135 | +0.14% | 128,500 | 1070億447万 | -5.15% |
| 05/01 | 2,155 | 2,156 | 2,123 | 2,132 | -1.25% | 54,000 | 1068億5411万 | -5.45% |
| 04/30 | 2,179 | 2,197 | 2,151 | 2,159 | -2.04% | 100,600 | 1082億733万 | -4.38% |
| 04/28 | 2,208 | 2,208 | 2,180 | 2,204 | +0.55% | 94,600 | 1104億6269万 | -2.35% |
| 04/27 | 2,191 | 2,208 | 2,183 | 2,192 | +0.23% | 75,300 | 1098億6126万 | -2.75% |
| 04/24 | 2,188 | 2,200 | 2,173 | 2,187 | +0.28% | 70,900 | 1096億1066万 | -2.76% |
| 04/23 | 2,180 | 2,187 | 2,154 | 2,181 | -0.46% | 89,200 | 1093億995万 | -2.89% |
| 04/22 | 2,270 | 2,270 | 2,187 | 2,191 | -3.48% | 104,300 | 1098億1114万 | -2.36% |
| 04/21 | 2,287 | 2,304 | 2,264 | 2,270 | -0.96% | 99,000 | 1137億7056万 | +1.25% |
| 04/20 | 2,315 | 2,315 | 2,283 | 2,292 | -0.99% | 92,700 | 1148億7318万 | +2.5% |
| 04/17 | 2,311 | 2,334 | 2,305 | 2,315 | +0.56% | 87,400 | 1160億2592万 | +3.81% |