| 2026 |
| 10/02 | 1,330 | 1,330 | 1,308 | 1,314 | -1.05% | 1,617,600 | - | -3.45% |
| 10/01 | 1,325 | 1,342 | 1,318 | 1,328 | -0.6% | 1,310,700 | - | -2.5% |
| 09/30 | 1,324 | 1,337 | 1,305 | 1,336 | +0.91% | 2,214,200 | - | -1.98% |
| 09/29 | 1,328 | 1,337 | 1,318 | 1,324 | -1.93% | 1,717,400 | - | -2.86% |
| 09/28 | 1,359 | 1,363 | 1,339 | 1,350 | -0.22% | 3,494,200 | - | -0.95% |
| 09/25 | 1,339 | 1,359 | 1,338 | 1,353 | +1.12% | 1,670,900 | - | -0.66% |
| 09/24 | (IR情報)16:30 千葉日石株式会社の株式取得(子会社化)に関するお知らせ |
| 09/24 | 1,359 | 1,378 | 1,334 | 1,338 | -2.76% | 2,077,200 | - | -1.55% |
| 09/18 | 1,393 | 1,398 | 1,370 | 1,376 | -1.29% | 3,451,000 | - | +1.4% |
| 09/17 | 1,377 | 1,397 | 1,373 | 1,394 | +1.46% | 1,263,200 | - | +3.03% |
| 09/16 | 1,381 | 1,388 | 1,366 | 1,374 | -0.94% | 2,167,600 | - | +1.93% |
| 09/15 | 1,405 | 1,417 | 1,387 | 1,387 | -0.93% | 1,138,500 | - | +3.2% |
| 09/14 | 1,400 | 1,427 | 1,392 | 1,400 | +1.23% | 1,814,100 | - | +4.48% |
| 09/11 | 1,389 | 1,400 | 1,375 | 1,383 | -0.86% | 2,371,400 | - | +3.52% |
| 09/10 | 1,397 | 1,406 | 1,384 | 1,395 | -0.07% | 1,950,700 | - | +4.73% |
| 09/09 | 1,382 | 1,400 | 1,377 | 1,396 | +0.43% | 2,007,300 | - | +5.28% |
| 09/08 | 1,370 | 1,390 | 1,361 | 1,390 | +1.46% | 1,728,600 | - | +5.3% |
| 09/07 | (IR情報)15:30 株主優待制度の拡充に関するお知らせ |
| 09/07 | 1,365 | 1,388 | 1,359 | 1,370 | +0.22% | 1,525,200 | - | +4.18% |
| 09/04 | 1,348 | 1,376 | 1,347 | 1,367 | +0.74% | 1,542,500 | - | +4.19% |
| 09/03 | 1,340 | 1,358 | 1,328 | 1,357 | +1.42% | 2,699,400 | - | +3.67% |
| 09/02 | 1,339 | 1,348 | 1,323 | 1,338 | -1.4% | 2,138,200 | - | +2.29% |
| 09/01 | 1,365 | 1,372 | 1,351 | 1,357 | -0.51% | 1,868,000 | - | +3.83% |
| 08/31 | 1,359 | 1,370 | 1,357 | 1,364 | +0.59% | 1,760,700 | - | +4.6% |
| 08/28 | 1,322 | 1,357 | 1,318 | 1,356 | +1.12% | 1,432,100 | - | +4.39% |
| 08/27 | 1,340 | 1,350 | 1,329 | 1,341 | +0.3% | 1,364,000 | - | +3.55% |
| 08/26 | 1,341 | 1,348 | 1,333 | 1,337 | -0.3% | 1,171,000 | - | +3.56% |
| 08/25 | 1,354 | 1,364 | 1,340 | 1,341 | 0% | 1,370,400 | - | +4.11% |
| 08/24 | 1,355 | 1,357 | 1,332 | 1,341 | -1.03% | 1,259,400 | - | +4.36% |
| 08/21 | 1,330 | 1,357 | 1,330 | 1,355 | +2.11% | 1,848,200 | - | +5.69% |
| 08/20 | 1,310 | 1,330 | 1,307 | 1,327 | +1.84% | 1,767,700 | - | +3.83% |
| 08/19 | 1,300 | 1,309 | 1,288 | 1,303 | +1.01% | 1,896,100 | - | +2.12% |
| 08/18 | 1,274 | 1,300 | 1,263 | 1,290 | +0.78% | 1,465,700 | - | +1.34% |
| 08/17 | 1,280 | 1,287 | 1,270 | 1,280 | 0% | 1,281,000 | - | +0.71% |
| 08/14 | 1,288 | 1,288 | 1,266 | 1,280 | +0.47% | 1,651,700 | - | +0.87% |
| 08/13 | 1,270 | 1,278 | 1,258 | 1,274 | -0.23% | 1,269,800 | - | +0.47% |
| 08/12 | 1,282 | 1,291 | 1,272 | 1,277 | -0.7% | 1,476,800 | - | +0.87% |
| 08/10 | 1,287 | 1,289 | 1,260 | 1,286 | -0.16% | 1,413,200 | - | +1.66% |
| 08/07 | 1,273 | 1,294 | 1,264 | 1,288 | +0.78% | 1,418,900 | - | +2.14% |
| 08/06 | 1,263 | 1,278 | 1,247 | 1,278 | +1.83% | 1,826,000 | - | +1.67% |
| 08/05 | 1,249 | 1,258 | 1,233 | 1,255 | +0.24% | 1,571,000 | - | +0.24% |
| 08/04 | 1,283 | 1,283 | 1,239 | 1,252 | -1.11% | 1,801,500 | - | +0.32% |
| 08/03 | 1,294 | 1,311 | 1,246 | 1,266 | -1.09% | 2,749,600 | - | +1.77% |
| 07/31 | (IR情報)15:30 2027年3月期第1四半期決算短信〔日本基準〕(連結) |
| 07/31 | 1,270 | 1,296 | 1,268 | 1,280 | -1.54% | 1,995,000 | - | +3.39% |
| 07/30 | 1,318 | 1,331 | 1,282 | 1,300 | -2.33% | 2,304,600 | - | +5.52% |
| 07/29 | 1,308 | 1,336 | 1,293 | 1,331 | +1.84% | 2,752,800 | - | +8.74% |
| 07/28 | 1,293 | 1,316 | 1,293 | 1,307 | +1.32% | 2,007,500 | - | +7.66% |
| 07/27 | 1,256 | 1,296 | 1,252 | 1,290 | +3.53% | 1,644,100 | - | +7.05% |
| 07/24 | 1,217 | 1,254 | 1,213 | 1,246 | +0.56% | 1,505,300 | - | +4.09% |
| 07/23 | 1,236 | 1,239 | 1,228 | 1,239 | -0.56% | 1,294,400 | - | +4.03% |
| 07/22 | 1,240 | 1,251 | 1,224 | 1,246 | -1.74% | 1,761,000 | - | +5.24% |
| 07/21 | 1,277 | 1,289 | 1,258 | 1,268 | -0.08% | 1,560,900 | - | +7.64% |
| 07/17 | 1,272 | 1,287 | 1,264 | 1,269 | -0.08% | 1,781,900 | - | +8.37% |
| 07/16 | 1,250 | 1,272 | 1,249 | 1,270 | +1.03% | 1,150,600 | - | +9.11% |
| 07/15 | 1,270 | 1,274 | 1,247 | 1,257 | -0.48% | 1,672,800 | - | +8.64% |
| 07/14 | 1,240 | 1,275 | 1,240 | 1,263 | +1.85% | 1,882,300 | - | +9.83% |
| 07/13 | 1,246 | 1,249 | 1,221 | 1,240 | +0.65% | 1,422,700 | - | +8.58% |
| 07/10 | 1,242 | 1,244 | 1,225 | 1,232 | -0.08% | 1,950,800 | - | +8.55% |
| 07/09 | 1,234 | 1,240 | 1,225 | 1,233 | -1.36% | 1,229,500 | - | +9.31% |
| 07/08 | 1,243 | 1,250 | 1,233 | 1,250 | +1.21% | 1,785,800 | - | +11.51% |
| 07/07 | 1,254 | 1,254 | 1,220 | 1,235 | -1.59% | 2,434,500 | - | +11.06% |
| 07/06 | 1,208 | 1,262 | 1,205 | 1,255 | +5.73% | 3,418,600 | - | +13.57% |
| 07/03 | 1,195 | 1,206 | 1,184 | 1,187 | +0.68% | 2,275,300 | - | +8.11% |
| 07/02 | 1,153 | 1,179 | 1,144 | 1,179 | +3.51% | 2,465,300 | - | +7.77% |
| 07/01 | 1,152 | 1,160 | 1,137 | 1,139 | -1.89% | 1,447,300 | - | +4.59% |
| 06/30 | 1,154 | 1,161 | 1,145 | 1,161 | +0.96% | 2,398,300 | - | +6.81% |
| 06/29 | 1,132 | 1,158 | 1,132 | 1,150 | +2.04% | 2,890,300 | - | +6.19% |
| 06/26 | 1,125 | 1,131 | 1,115 | 1,127 | +0.81% | 1,628,300 | - | +4.35% |
| 06/25 | 1,109 | 1,127 | 1,096 | 1,118 | +1.73% | 1,926,400 | - | +3.81% |
| 06/24 | 1,091 | 1,102 | 1,090 | 1,099 | +0.64% | 1,442,900 | - | +2.23% |
| 06/23 | 1,087 | 1,103 | 1,081 | 1,092 | +0.28% | 1,403,800 | - | +1.68% |
| 06/22 | 1,069 | 1,094 | 1,066 | 1,089 | +0.65% | 1,079,900 | - | +1.3% |
| 06/19 | 1,081 | 1,092 | 1,069 | 1,082 | -0.18% | 1,924,100 | - | +0.65% |
| 06/18 | 1,071 | 1,084 | 1,059 | 1,084 | +0.56% | 2,325,300 | - | +0.84% |
| 06/17 | 1,090 | 1,095 | 1,074 | 1,078 | -1.28% | 1,033,900 | - | +0.37% |
| 06/16 | 1,100 | 1,104 | 1,080 | 1,092 | -1.09% | 1,246,800 | - | +1.68% |
| 06/15 | 1,091 | 1,113 | 1,086 | 1,104 | +1.38% | 1,448,600 | - | +2.99% |
| 06/12 | 1,091 | 1,094 | 1,083 | 1,089 | +0.55% | 2,099,800 | - | +1.68% |
| 06/11 | 1,092 | 1,099 | 1,071 | 1,083 | -0.64% | 2,043,600 | - | +1.03% |
| 06/10 | 1,085 | 1,091 | 1,074 | 1,090 | +1.49% | 1,917,900 | - | +1.49% |
| 06/09 | 1,065 | 1,080 | 1,061 | 1,074 | +1.03% | 1,798,500 | - | -0.09% |
| 06/08 | 1,063 | 1,070 | 1,048 | 1,063 | +1.05% | 1,691,700 | - | -1.3% |
| 06/05 | 1,055 | 1,072 | 1,044 | 1,052 | +0.86% | 1,506,300 | - | -2.68% |
| 06/04 | 1,040 | 1,049 | 1,033 | 1,043 | -0.1% | 1,708,000 | - | -3.78% |
| 06/03 | 1,040 | 1,048 | 1,034 | 1,044 | +0.1% | 1,660,400 | - | -4.04% |
| 06/02 | 1,063 | 1,063 | 1,039 | 1,043 | -3.43% | 2,402,500 | - | -4.57% |
| 06/01 | 1,095 | 1,098 | 1,072 | 1,080 | -1.01% | 2,007,500 | - | -1.64% |
| 05/29 | 1,071 | 1,109 | 1,070 | 1,091 | +1.96% | 2,502,400 | - | -1% |
| 05/28 | 1,083 | 1,087 | 1,068 | 1,070 | +0.47% | 1,900,200 | - | -3.25% |
| 05/27 | 1,060 | 1,069 | 1,053 | 1,065 | +0.28% | 1,953,000 | - | -4.23% |
| 05/26 | 1,070 | 1,071 | 1,058 | 1,062 | -1.21% | 1,351,400 | - | -5.01% |
| 05/25 | 1,077 | 1,077 | 1,059 | 1,075 | +0.28% | 1,318,400 | - | -4.27% |
| 05/22 | 1,068 | 1,074 | 1,056 | 1,072 | +0.28% | 1,400,900 | - | -4.96% |
| 05/21 | 1,087 | 1,087 | 1,064 | 1,069 | -0.37% | 1,395,400 | - | -5.65% |
| 05/20 | 1,108 | 1,108 | 1,059 | 1,073 | -3.68% | 2,399,600 | - | -5.71% |
| 05/19 | (IR情報)15:30 役員の異動に関するお知らせ |
| 05/19 | 1,095 | 1,121 | 1,072 | 1,114 | +3.82% | 2,092,800 | - | -2.71% |
| 05/18 | 1,090 | 1,093 | 1,070 | 1,073 | -1.11% | 1,717,200 | - | -6.61% |
| 05/15 | 1,070 | 1,085 | 1,065 | 1,085 | +1.4% | 1,702,000 | - | -6.06% |
| 05/14 | 1,071 | 1,083 | 1,065 | 1,070 | +0.19% | 1,820,200 | - | -7.76% |
| 05/13 | 1,059 | 1,073 | 1,057 | 1,068 | +1.14% | 2,249,000 | - | -8.48% |
| 05/12 | 1,077 | 1,095 | 1,056 | 1,056 | -1.12% | 3,276,900 | - | -10.05% |
| 05/11 | 1,071 | 1,086 | 1,054 | 1,068 | -4.56% | 5,474,000 | - | -9.49% |
| 05/08 | (IR情報)15:30 2026年3月期決算短信〔日本基準〕(連結) |
| 05/08 | (IR情報)15:30 剰余金の配当(増配)に関するお知らせ |