日付	始値	高値	安値	終値	前日比	出来高	時価総額	25日乖離
2026
10/01	2,913	2,990	2,900	2,984	+2.37%	47,200	-	+3.5%
09/30	2,851	2,963	2,851	2,915	+3.63%	25,900	-	+1.11%
09/29	2,815	2,862	2,781	2,813	-1.71%	79,600	-	-2.53%
09/28	2,943	2,949	2,835	2,862	+2.18%	215,500	-	-1.17%
09/25	2,810	2,813	2,749	2,801	+0.14%	65,500	-	-3.51%
09/24	2,835	2,841	2,768	2,797	-0.18%	103,100	-	-4.15%
09/18	2,820	2,842	2,772	2,802	-0.11%	51,100	-	-4.63%
09/17	2,830	2,880	2,775	2,805	+0.11%	37,500	-	-5.14%
09/16	2,837	2,859	2,771	2,802	-0.25%	33,700	-	-5.91%
09/15	2,756	2,829	2,736	2,809	+1.26%	19,200	-	-6.15%
09/14	2,754	2,807	2,719	2,774	-0.61%	34,400	-	-7.84%
09/11	2,760	2,822	2,720	2,791	-2.41%	41,000	-	-7.74%
09/10	2,853	2,874	2,828	2,860	-0.52%	19,300	-	-5.92%
09/09	2,872	2,916	2,853	2,875	-0.07%	24,400	-	-5.86%
09/08	2,906	2,935	2,876	2,877	-2.28%	23,700	-	-5.8%
09/07	2,937	2,993	2,902	2,944	+0.58%	17,800	-	-3.6%
09/04	14:30 自己株式の取得状況に関するお知らせ(会社法第165条第2項の規定による定款の定めに基づく自己株式の取得)
09/04	2,946	2,970	2,913	2,927	-0.64%	28,200	-	-4.1%
09/03	2,958	3,000	2,937	2,946	+1.31%	24,000	-	-3.25%
09/02	2,872	2,940	2,872	2,908	-2.15%	24,700	-	-4.18%
09/01	2,954	3,015	2,929	2,972	-0.77%	37,100	-	-1.95%
08/31	2,853	3,040	2,853	2,995	+3.42%	24,600	-	-1.12%
08/28	2,939	2,997	2,893	2,896	-2.56%	23,900	-	-4.3%
08/27	2,984	3,020	2,938	2,972	+0.13%	28,000	-	-1.88%
08/26	2,988	3,020	2,944	2,968	-0.07%	21,900	-	-2.08%
08/25	3,000	3,000	2,929	2,970	-1%	25,500	-	-2.01%
08/24	3,040	3,040	2,974	3,000	+0.17%	21,200	-	-0.96%
08/21	3,005	3,015	2,953	2,995	-1.64%	26,800	-	-1.16%
08/20	3,055	3,095	2,998	3,045	-0.16%	28,800	-	+0.33%
08/19	3,080	3,140	3,005	3,050	-3.48%	60,700	-	+0.53%
08/18	3,265	3,310	3,140	3,160	-4.1%	26,000	-	+4.26%
08/17	3,290	3,380	3,255	3,295	+0.15%	29,700	-	+8.75%
08/14	3,320	3,345	3,230	3,290	-0.9%	37,800	-	+8.94%
08/13	3,235	3,320	3,195	3,320	+4.4%	40,600	-	+10.3%
08/12	3,190	3,255	3,135	3,180	-1.85%	57,300	-	+5.89%
08/10	3,145	3,265	3,145	3,240	+3.02%	24,700	-	+7.71%
08/07	3,180	3,180	3,010	3,145	-1.1%	37,700	-	+4.35%
08/06	3,145	3,290	3,115	3,180	-0.63%	47,200	-	+5.26%
08/05	2,950	3,235	2,950	3,200	+11.15%	85,900	-	+5.58%
08/04	2,877	2,908	2,815	2,879	+0.07%	54,400	-	-5.2%
08/03	2,920	2,998	2,833	2,877	-0.83%	64,700	-	-5.89%
07/31	14:30 2027年3月期第1四半期決算短信〔日本基準〕(連結)
07/31	14:30 自己株式取得に係る事項の決定に関するお知らせ(会社法第165条第2項の規定による定款の定めに基づく自己株式の取得)
07/31	2,950	3,160	2,895	2,901	+5.49%	140,600	-	-5.72%
07/30	2,728	2,835	2,704	2,750	+2.69%	64,800	-	-11.32%
07/29	2,805	2,854	2,598	2,678	-4.53%	57,200	-	-14.44%
07/28	2,885	2,905	2,784	2,805	-4.33%	37,500	-	-11.35%
07/27	2,931	2,953	2,867	2,932	+0.62%	34,600	-	-8.49%
07/24	14:30 譲渡制限付株式報酬としての自己株式処分の払込完了に関するお知らせ
07/24	2,949	2,993	2,863	2,914	-2.12%	21,700	-	-9.95%
07/23	3,060	3,070	2,972	2,977	-1.26%	13,900	-	-8.88%
07/22	2,971	3,070	2,970	3,015	+1.58%	27,400	-	-8.47%
07/21	2,945	3,005	2,897	2,968	+1.33%	35,200	-	-10.44%
07/17	2,993	3,005	2,828	2,929	-3.17%	34,200	-	-12.33%
07/16	3,115	3,115	2,995	3,025	-3.35%	17,000	-	-9.73%
07/15	3,070	3,150	3,025	3,130	+4.33%	18,600	-	-6.51%
07/14	2,993	3,035	2,933	3,000	+0.23%	19,000	-	-10.29%
07/13	3,150	3,190	2,950	2,993	-3.92%	23,300	-	-10.5%
07/10	3,115	3,225	3,110	3,115	+2.3%	25,100	-	-6.6%
07/09	3,100	3,105	3,030	3,045	0%	20,800	-	-8.37%
07/08	3,155	3,190	3,045	3,045	-3.03%	28,200	-	-7.98%
07/07	3,350	3,350	3,125	3,140	-5.42%	32,800	-	-4.68%
07/06	3,400	3,430	3,280	3,320	-2.06%	27,600	-	+1.37%
07/03	3,320	3,405	3,265	3,390	+2.11%	27,600	-	+4.28%
07/02	3,475	3,475	3,295	3,320	-3.21%	28,400	-	+3.01%
07/01	3,405	3,460	3,355	3,430	+2.69%	22,600	-	+7.39%
06/30	3,450	3,450	3,265	3,340	-1.18%	30,800	-	+5.66%
06/29	3,450	3,450	3,245	3,380	-0.29%	54,900	-	+7.78%
06/26	3,460	3,480	3,300	3,390	-3%	54,700	-	+9.14%
06/25	14:30 譲渡制限付株式報酬としての自己株式処分に関するお知らせ
06/25	3,570	3,590	3,480	3,495	+0.29%	42,500	-	+13.88%
06/24	3,490	3,640	3,440	3,485	-0.71%	80,500	-	+15.17%
06/23	3,790	3,790	3,460	3,510	-7.99%	88,800	-	+17.79%
06/22	3,765	3,850	3,750	3,815	+2.28%	53,000	-	+29.94%
06/19	3,755	3,875	3,665	3,730	+1.22%	71,000	-	+29.51%
06/18	3,690	3,805	3,650	3,685	+1.1%	56,000	-	+30.07%
06/17	3,460	3,680	3,410	3,645	+3.26%	76,100	-	+30.27%
06/16	3,610	3,760	3,495	3,530	-3.16%	98,000	-	+27.71%
06/15	3,385	3,700	3,360	3,645	+14.8%	222,500	-	+33.32%
06/12	3,000	3,225	2,958	3,175	+7.85%	84,400	-	+17.64%
06/11	2,998	3,010	2,876	2,944	-2.68%	40,600	-	+9.81%
06/10	3,050	3,200	2,961	3,025	+0.93%	101,400	-	+13.08%
06/09	2,827	3,005	2,827	2,997	+7.92%	78,900	-	+12.67%
06/08	2,658	2,792	2,641	2,777	-1.1%	47,700	-	+4.91%
06/05	2,720	2,817	2,661	2,808	+4.19%	47,900	-	+6.2%
06/04	2,649	2,710	2,626	2,695	+0.86%	20,600	-	+2.04%
06/03	2,689	2,700	2,631	2,672	+0.07%	21,000	-	+1.14%
06/02	2,726	2,758	2,609	2,670	-2.02%	46,000	-	+1.1%
06/01	2,777	2,810	2,690	2,725	+1.79%	43,700	-	+3.18%
05/29	2,662	2,747	2,662	2,677	+2.41%	47,500	-	+1.44%
05/28	2,569	2,634	2,492	2,614	+0.73%	22,600	-	-0.8%
05/27	2,719	2,750	2,595	2,595	-4.35%	27,400	-	-1.44%
05/26	2,646	2,713	2,626	2,713	+2.57%	28,000	-	+2.84%
05/25	2,500	2,671	2,500	2,645	+8.27%	38,100	-	+0.34%
05/22	2,418	2,455	2,418	2,443	+1.03%	11,900	-	-7.22%
05/21	2,343	2,442	2,343	2,418	+2.85%	19,300	-	-8.3%
05/20	2,385	2,396	2,270	2,351	-2.12%	49,200	-	-10.98%
05/19	2,424	2,489	2,381	2,402	-0.78%	54,300	-	-9.22%
05/18	2,601	2,650	2,405	2,421	-5.1%	60,100	-	-8.68%
05/15	14:50 2026年3月期決算短信〔日本基準〕(連結)
05/15	14:50 当社株式の大規模買付行為に関する対応方針(買収への対応方針)の継続について
05/15	2,867	2,899	2,522	2,551	-9.44%	83,000	-	-3.84%
05/14	2,781	2,850	2,780	2,817	+0.97%	34,000	-	+6.38%
05/13	2,784	2,850	2,740	2,790	+0.22%	26,000	-	+6%
05/12	2,760	2,802	2,736	2,784	+0.87%	26,400	-	+6.38%
05/11	2,730	2,768	2,696	2,760	+1.17%	17,000	-	+5.99%
05/08	2,769	2,794	2,700	2,728	-2.85%	16,700	-	+5.45%

石原ケミカル（4462）のIR情報・決算資料

2026/05/08～2026/10/01

IR情報＆株価推移

開示資料

決算

株式

チャート