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
03/06	2,081	2,156	2,076	2,156	+1.46%	2,375,400	8660億3853万	-6.22%
03/05	2,185	2,194	2,124	2,125	+0.95%	5,123,000	8535億8621万	-7.69%
03/04	2,138	2,166	2,079	2,105	-5.65%	4,372,200	8455億5246万	-8.76%
03/03	2,307	2,312	2,225	2,231	-4.49%	3,494,300	8961億6510万	-3.5%
03/02	11:00 自己株式の取得状況に関するお知らせ
03/02	2,317	2,343	2,274	2,336	-1.85%	2,563,800	9383億4230万	+0.99%
02/27	2,321	2,381	2,305	2,380	+2.5%	2,395,100	9560億1655万	+3.12%
02/26	2,275	2,330	2,264	2,322	+2.07%	3,034,700	9327億1867万	+0.96%
02/25	2,340	2,375	2,273	2,275	-2.19%	2,985,500	9138億3935万	-0.78%
02/24	2,294	2,332	2,251	2,326	+0.52%	2,836,800	9343億2542万	+1.62%
02/20	2,338	2,355	2,278	2,314	-1.82%	2,217,200	9295億517万	+1.36%
02/19	2,361	2,378	2,346	2,357	+0.21%	2,230,100	9467億7774万	+3.65%
02/18	2,353	2,372	2,340	2,352	-0.34%	1,591,600	9447億6930万	+3.93%
02/17	2,335	2,379	2,330	2,360	+1.64%	1,956,300	9479億8280万	+4.84%
02/16	2,380	2,393	2,321	2,322	-1.86%	2,499,400	9327億1867万	+3.71%
02/13	2,394	2,400	2,348	2,366	-1.42%	2,042,000	9503億9293万	+6.24%
02/12	2,399	2,423	2,384	2,400	0%	2,075,400	9640億5031万	+8.3%
02/10	2,345	2,400	2,338	2,400	+2.04%	2,164,200	9640億5031万	+8.99%
02/09	2,430	2,434	2,352	2,352	+0.34%	3,916,500	9447億6930万	+7.54%
02/06	2,210	2,351	2,210	2,344	+3.21%	4,004,300	9415億5580万	+7.87%
02/05	14:50 コーポレートフェロー制度の導入について
02/05	14:50 代表取締役の異動及び取締役・監査役の体制変更に関するお知らせ
02/05	13:00 自己株式取得及び自己株式消却に係る事項の決定に関するお知らせ
02/05	13:00 2025年度第3四半期決算の概要及び2025年度業績予想の概要
02/05	13:00 2026年3月期第3四半期決算短信[IFRS](連結)
02/05	2,478	2,478	2,197	2,271	-4.74%	8,654,100	9122億3260万	+5.14%
02/04	2,300	2,412	2,292	2,384	+5.3%	3,643,100	9576億2330万	+10.99%
02/03	2,254	2,282	2,243	2,264	+1.34%	2,359,700	9094億2079万	+6.19%
02/02	2,277	2,320	2,232	2,234	-0.98%	1,980,300	8973億7016万	+5.38%
01/30	2,234	2,256	2,218	2,256	+0.67%	2,499,800	9062億729万	+6.97%
01/29	2,211	2,247	2,172	2,241	+0.67%	1,606,700	9001億8197万	+6.87%
01/28	2,244	2,250	2,221	2,226	-1.11%	1,500,000	8941億5666万	+6.76%
01/27	2,235	2,273	2,215	2,251	+0.72%	2,188,100	9041億9885万	+8.59%
01/26	2,200	2,253	2,200	2,235	-0.45%	1,967,400	8977億7185万	+8.55%
01/23	2,225	2,247	2,206	2,245	+0.72%	1,456,200	9017億8872万	+9.67%
01/22	2,181	2,240	2,180	2,229	+2.96%	2,311,600	8953億6172万	+9.48%
01/21	2,121	2,165	2,119	2,165	+0.14%	1,286,800	8696億5371万	+6.86%
01/20	2,165	2,171	2,142	2,162	-0.37%	1,452,200	8684億4865万	+7.19%
01/19	2,158	2,179	2,108	2,170	+0.09%	1,721,300	8716億6215万	+8.01%
01/16	2,116	2,173	2,111	2,168	+3.04%	2,631,400	8708億5878万	+8.4%
01/15	2,090	2,118	2,083	2,104	+1.01%	1,565,700	8451億5077万	+5.73%
01/14	2,055	2,099	2,054	2,083	+1.41%	1,796,000	8367億1533万	+5.15%
01/13	2,083	2,084	2,047	2,054	+0.39%	1,612,000	8250億6639万	+3.95%
01/09	2,067	2,080	2,028	2,046	+0.89%	1,435,300	8218億5289万	+3.81%
01/08	2,062	2,072	2,028	2,028	-2.45%	1,450,200	8146億2251万	+3.05%
01/07	2,070	2,082	2,058	2,079	+0.68%	1,804,700	8351億858万	+5.8%
01/06	2,040	2,095	2,038	2,065	+2.28%	2,287,200	8294億8495万	+5.3%
01/05	2,041	2,063	2,011	2,019	+0.85%	1,999,700	8110億732万	+3.27%
01/01	株式分割 1→2
2025
12/30	2,021	2,025	1,997	2,002	-0.65%	1,457,100	8041億7863万	+2.61%
12/29	1,978	2,022	1,973	2,015	+2%	1,751,300	8094億57万	+3.6%
12/26	1,974	1,989	1,968	1,976	-0.03%	1,388,000	7935億3391万	+1.93%
12/25	1,990	1,990	1,960	1,976	-0.05%	1,728,000	7937億3475万	+2.33%
12/24	1,982	2,009	1,970	1,977	+0.61%	2,686,000	7941億3644万	+2.86%
12/23	1,955	1,975	1,946	1,965	+0.49%	1,401,600	7893億1619万	+2.66%
12/22	1,939	1,967	1,933	1,956	+1.16%	1,073,800	7855億16万	+2.6%
12/19	11:00 「千葉地区エチレン装置集約による生産最適化」の最終合意について
12/19	1,914	1,938	1,913	1,933	+0.83%	1,441,800	7764億6218万	+1.79%
12/18	1,932	1,934	1,908	1,917	+0.13%	1,026,400	7700億3518万	+1.21%
12/17	1,925	1,935	1,898	1,915	-1.19%	2,076,600	7690億3096万	+1.4%
12/16	1,972	1,974	1,938	1,938	-1.32%	1,146,400	7782億6978万	+2.84%
12/15	1,984	1,984	1,954	1,964	-0.38%	882,600	7887億1366万	+4.44%
12/12	1,965	1,987	1,959	1,971	+1.1%	1,777,000	7917億2631万	+5.18%
12/11	1,990	1,992	1,939	1,950	-0.59%	1,151,600	7830億9003万	+4.42%
12/10	1,942	1,980	1,936	1,961	+1.55%	1,633,800	7877億944万	+5.37%
12/09	1,924	1,934	1,912	1,931	+0.6%	1,660,600	7756億5881万	+4.04%
12/08	1,905	1,924	1,898	1,920	+1.29%	1,134,200	7710億3940万	+3.7%
12/05	1,933	1,944	1,895	1,895	-3.19%	1,686,000	7611億9805万	+2.54%
12/04	1,920	1,959	1,913	1,958	+1.53%	1,327,400	7863億353万	+6.1%
12/03	1,945	1,956	1,918	1,928	-1.81%	1,401,800	7744億5375万	+4.73%
12/02	1,953	1,970	1,946	1,964	+0.54%	1,418,400	7887億1366万	+6.77%
12/01	1,994	2,009	1,953	1,953	-0.76%	1,845,200	7844億9594万	+6.37%
11/28	1,950	1,973	1,940	1,968	+1.84%	2,702,400	7905億2125万	+7.42%
11/27	1,913	1,965	1,910	1,933	+1.5%	3,187,400	7762億6134万	+5.72%
11/26	1,874	1,915	1,863	1,904	+2.89%	2,953,800	7648億1324万	+4.39%
11/25	1,860	1,870	1,841	1,851	-0.48%	1,835,800	7433億2295万	+1.62%
11/21	1,772	1,867	1,771	1,860	+3.68%	4,771,800	7469億3814万	+2.17%
11/20	1,789	1,808	1,782	1,794	+1.85%	1,590,200	7204億2676万	-1.35%
11/19	1,758	1,771	1,737	1,761	+0.28%	1,489,200	7073億7191万	-3.24%
11/18	1,767	1,778	1,746	1,756	-1.43%	1,859,000	7053億6347万	-3.57%
11/17	1,780	1,784	1,767	1,782	-0.08%	1,344,800	7156億651万	-2.33%
11/14	1,786	1,807	1,776	1,783	-0.2%	1,725,200	7162億904万	-2.46%
11/13	1,789	1,795	1,768	1,787	+0.28%	1,906,600	7176億1495万	-2.43%
11/12	1,796	1,825	1,758	1,782	-2.3%	4,471,600	7156億651万	-2.86%
11/11	13:00 2025年度第2四半期(中間期)決算の概要及び2025年度業績予想の概要
11/11	13:00 株式分割及び株式分割に伴う配当予想の修正に関するお知らせ
11/11	13:00 2026年3月期第2四半期(中間期)決算短信[IFRS](連結)
11/11	1,842	1,920	1,794	1,824	-0.46%	8,494,800	7324億7739万	-0.73%
11/10	1,825	1,835	1,817	1,832	+1.5%	1,083,200	7358億9173万	-0.27%
11/07	1,789	1,807	1,783	1,805	+0.56%	1,054,600	7250億4617万	-1.74%
11/06	1,805	1,812	1,789	1,795	-0.55%	2,105,600	7210億2929万	-2.29%
11/05	1,823	1,827	1,763	1,805	-1.1%	1,963,400	7250億4617万	-1.85%
11/04	1,829	1,844	1,808	1,825	+0.08%	1,552,000	7330億7992万	-0.92%
10/31	1,846	1,849	1,814	1,824	-0.63%	1,290,200	7324億7739万	-1.22%
10/30	1,825	1,835	1,817	1,835	+0.55%	1,758,600	7370億9680万	-0.81%
10/29	1,842	1,848	1,818	1,825	-0.92%	1,452,600	7330億7992万	-1.46%
10/28	1,875	1,882	1,842	1,842	-2.62%	1,463,400	7399億861万	-0.7%
10/27	1,895	1,899	1,883	1,892	+0.29%	1,505,800	7597億9215万	+1.97%
10/24	1,869	1,888	1,866	1,886	+1.13%	1,251,400	7575億8287万	+1.73%
10/23	1,854	1,869	1,842	1,865	+0.48%	1,093,600	7491億4742万	+0.65%
10/22	1,853	1,860	1,836	1,856	+1.14%	1,949,200	7455億3224万	+0.11%
10/21	1,840	1,853	1,831	1,835	+0.55%	1,668,400	7370億9680万	-1.08%
10/20	1,853	1,855	1,821	1,825	+0.14%	2,100,000	7330億7992万	-1.72%
10/17	1,820	1,833	1,816	1,823	-0.25%	1,463,400	7320億7570万	-1.96%
10/16	1,832	1,843	1,825	1,827	-0.22%	1,157,000	7338億8330万	-1.88%
10/15	1,821	1,834	1,809	1,831	+1.84%	1,306,000	7354億9005万	-1.88%
10/14	1,790	1,837	1,790	1,798	-1.67%	2,149,600	7222億3435万	-3.8%
10/10	1,869	1,872	1,824	1,829	-2.14%	1,482,600	7344億8583万	-2.32%
10/09	1,850	1,869	1,849	1,869	+0.65%	925,200	7505億5333万	-0.19%
10/08	1,860	1,873	1,855	1,857	-0.59%	1,042,600	7457億3308万	-0.83%
10/07	1,855	1,875	1,851	1,868	+0.7%	1,601,600	7501億5164万	-0.19%

4183 三井化学

IR情報

2025/10/07～2026/03/06

IR情報＆株価推移

開示資料

決算

株式

チャート