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
09/11	2,284	2,325	2,273	2,313	-2.77%	1,049,700	5024億8501万	-0.56%
09/10	2,393	2,400	2,340	2,379	-0.29%	785,300	5168億2310万	+2.32%
09/09	2,346	2,412	2,340	2,386	+2.27%	847,300	5183億4381万	+2.67%
09/08	2,383	2,439	2,333	2,333	-4.11%	955,000	5068億2989万	+0.65%
09/07	2,420	2,479	2,386	2,433	+7.18%	1,489,700	5285億5427万	+5.14%
09/04	2,280	2,282	2,232	2,270	-0.39%	702,400	4931億4352万	-1.6%
09/03	2,255	2,305	2,219	2,279	+2.33%	1,012,400	4950億9872万	-1%
09/02	2,225	2,261	2,198	2,227	-3.76%	1,029,600	4838億204万	-3.05%
09/01	2,256	2,324	2,253	2,314	+1.18%	864,200	5027億225万	+0.56%
08/31	2,210	2,296	2,191	2,287	+2.1%	939,500	4968億3667万	-0.82%
08/28	2,255	2,293	2,228	2,240	-0.75%	790,200	4866億2621万	-3.03%
08/27	2,310	2,320	2,256	2,257	-1.66%	654,900	4903億1935万	-2.55%
08/26	2,279	2,312	2,257	2,295	+0.83%	660,700	4985億7462万	-1.12%
08/25	2,268	2,278	2,231	2,276	-0.26%	894,600	4944億4699万	-2.07%
08/25	（空売り報告）JPM Securities Japan Co Ltd. 558,194株（0.25%）-0.25%義務消失
08/24	2,260	2,306	2,241	2,282	+2.47%	948,900	4957億5045万	-1.85%
08/24	（空売り報告）GOLDMAN SACHS INTERNATIONAL 992,185株（0.45%）-0.36%義務消失
08/21	2,272	2,285	2,214	2,227	-3.97%	1,011,300	4838億204万	-4.46%
08/20	2,299	2,333	2,276	2,319	+0.87%	975,000	5037億8847万	-0.9%
08/20	（空売り報告）JPM Securities Japan Co Ltd. 1,099,894株（0.5%）再IN
08/19	2,354	2,395	2,286	2,299	-5.59%	1,284,200	4994億4359万	-2.05%
08/18	2,509	2,587	2,433	2,435	-3.72%	1,868,500	5289億8876万	+3.48%
08/17	2,492	2,560	2,490	2,529	+4.68%	1,398,000	5494億968万	+7.34%
08/14	2,399	2,436	2,357	2,416	+1.17%	1,370,700	5248億6112万	+2.5%
08/14	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,767,804株（0.81%）+0.02%
08/13	2,346	2,424	2,346	2,388	+2.4%	1,363,100	5187億7830万	+1.06%
08/13	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,729,004株（0.79%）-0.01%
08/12	2,324	2,336	2,271	2,332	+0.56%	805,500	5066億1264万	-1.73%
08/12	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,744,873株（0.8%）+0.01%
08/10	2,304	2,332	2,290	2,319	+0.65%	742,700	5037億8847万	-2.97%
08/07	2,298	2,336	2,287	2,304	+0.17%	768,000	5005億2981万	-4.44%
08/06	2,354	2,392	2,284	2,300	-2.25%	934,200	4996億6084万	-5.35%
08/05	2,285	2,353	2,281	2,353	+5.23%	1,040,300	5111億7476万	-3.88%
08/04	2,236	2,286	2,218	2,236	+0.68%	751,700	4857億5723万	-9.25%
08/04	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,734,506株（0.79%）-0.01%
08/03	2,244	2,252	2,155	2,221	-2.37%	779,600	4824億9857万	-10.7%
08/03	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,756,206株（0.8%）+0.08%
07/31	2,270	2,340	2,185	2,275	+6.11%	1,523,800	4942億2974万	-9.54%
07/30	2,159	2,222	2,119	2,144	-0.69%	1,334,200	4657億7080万	-15.66%
07/29	2,296	2,377	2,083	2,159	-6.82%	2,870,600	4690億2946万	-15.89%
07/29	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,572,222株（0.72%）+0.09%
07/28	（IR情報）16:00 2027年3月期第1四半期決算説明会
07/28	（IR情報）16:00 2027年3月期第1四半期決算短信〔IFRS〕(連結)
07/28	2,400	2,405	2,304	2,317	-4.73%	2,090,200	5033億5398万	-10.54%
07/27	2,406	2,432	2,369	2,432	+1.12%	935,200	5283億3703万	-6.93%
07/24	2,375	2,468	2,370	2,405	+0.54%	1,253,600	5224億7144万	-8.24%
07/23	2,399	2,432	2,376	2,392	+0.67%	994,600	5196億4727万	-8.91%
07/22	2,398	2,458	2,376	2,376	+0.59%	1,033,300	5161億7137万	-9.52%
07/21	2,318	2,372	2,294	2,362	+3.01%	959,900	5131億2996万	-10.16%
07/17	2,425	2,470	2,250	2,293	-6.06%	1,681,800	4981億4013万	-12.91%
07/16	2,449	2,512	2,423	2,441	-0.89%	894,100	5302億9222万	-7.29%
07/16	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,384,942株（0.63%）+0.04%
07/15	2,514	2,540	2,431	2,463	-1.08%	820,900	5350億7159万	-6.06%
07/15	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,286,742株（0.59%）-0.01%
07/14	2,450	2,500	2,424	2,490	+1.67%	843,900	5409億3717万	-4.6%
07/13	2,523	2,550	2,407	2,449	-2.43%	1,007,100	5320億3017万	-5.74%
07/13	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,310,942株（0.6%）+0.1%
07/10	2,556	2,591	2,491	2,510	-1.57%	1,327,500	5452億8205万	-2.9%
07/09	2,595	2,629	2,529	2,550	-0.82%	693,100	5539億7180万	-0.93%
07/08	2,574	2,648	2,555	2,571	-2.02%	831,400	5585億3392万	+0.39%
07/07	2,782	2,810	2,620	2,624	-5.41%	1,339,600	5700億4784万	+3.02%
07/06	2,854	2,917	2,742	2,774	-1.98%	1,095,200	6026億3442万	+9.82%
07/06	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,093,732株（0.5%）再IN
07/03	2,731	2,830	2,730	2,830	+1.98%	775,900	6148億8万	+13.38%
07/03	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,073,132株（0.49%）-0.06%義務消失
07/02	2,716	2,816	2,705	2,775	+0.58%	1,136,900	6028億5166万	+12.53%
07/01	2,758	2,804	2,721	2,759	+0.04%	1,229,200	5993億7576万	+13.4%
06/30	（IR情報）15:30 東北特殊鋼株式会社(証券コード:5484)に対する公開買付けの結果及び子会社の異動に関するお知らせ
06/30	2,800	2,822	2,718	2,758	-1.78%	1,428,800	5991億5852万	+14.92%
06/29	2,937	2,977	2,760	2,808	-3.6%	1,634,600	6100億2071万	+18.68%
06/29	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,211,232株（0.55%）-0.07%
06/26	2,959	3,005	2,888	2,913	-1.52%	1,871,400	6328億3132万	+24.91%
06/25	2,850	2,995	2,808	2,958	+6.79%	2,580,000	6426億729万	+29.17%
06/24	2,700	2,795	2,650	2,770	+1.65%	1,488,500	6017億6545万	+23.39%
06/23	2,891	2,960	2,725	2,725	-6.23%	2,334,000	5919億8947万	+23.53%
06/22	2,701	2,920	2,699	2,906	+10.75%	2,626,900	6313億1061万	+33.79%
06/19	（IR情報）15:00 スポンサードリサーチレポート発行のお知らせ
06/19	2,600	2,662	2,583	2,624	+3.55%	2,588,300	5700億4784万	+23.25%
06/18	2,395	2,564	2,389	2,534	+6.25%	1,719,000	5504億9590万	+20.67%
06/17	2,445	2,449	2,362	2,385	-2.45%	1,039,700	5181億2657万	+14.77%
06/16	2,475	2,486	2,390	2,445	-0.61%	1,715,900	5311億6120万	+18.86%
06/15	2,345	2,466	2,342	2,460	+7.19%	1,877,600	5344億1985万	+20.94%
06/15	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,360,012株（0.62%）+0.1%
06/12	2,265	2,368	2,248	2,295	+6%	1,927,700	4985億7462万	+14.18%
06/11	2,130	2,177	2,094	2,165	-0.69%	1,200,000	4703億3292万	+8.63%
06/10	2,180	2,198	2,151	2,180	+0.32%	1,333,200	4735億9158万	+9.99%
06/09	2,173	2,206	2,134	2,173	+1.78%	1,382,000	4720億7087万	+10.36%
06/09	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,139,662株（0.52%）-0.18%
06/08	2,170	2,180	2,098	2,135	-4.22%	1,578,200	4638億1560万	+9.21%
06/08	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,521,962株（0.7%）+0.08%
06/05	2,218	2,236	2,173	2,229	+0.27%	1,148,500	4842億3653万	+14.72%
06/04	2,200	2,254	2,181	2,223	+0.09%	1,208,300	4829億3306万	+15.36%
06/04	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,350,162株（0.62%）+0.06%
06/03	2,177	2,254	2,168	2,221	+6.12%	2,075,100	4824億9857万	+16.22%
06/03	（空売り報告）GOLDMAN SACHS INTERNATIONAL 1,229,362株（0.56%）新規
06/02	2,048	2,155	2,046	2,093	+3.15%	2,004,600	4546億9136万	+10.39%
06/01	2,086	2,126	2,005	2,029	-2.36%	1,815,800	4407億8776万	+7.53%
05/29	2,029	2,099	2,014	2,078	+6.24%	1,728,900	4514億3270万	+10.41%
05/28	1,922	1,962	1,894	1,956	+1.14%	1,058,200	4249億2896万	+4.38%
05/27	1,931	1,949	1,915	1,934	+0.62%	727,700	4201億4959万	+3.31%
05/26	1,950	1,963	1,909	1,922	-0.77%	596,800	4175億4267万	+2.73%
05/25	1,892	1,937	1,874	1,937	+3.69%	647,500	4208億132万	+3.58%
05/22	1,859	1,897	1,844	1,868	+1.58%	819,000	4058億1150万	0%
05/21	1,829	1,857	1,813	1,839	+1.88%	646,100	3995億1143万	-1.61%
05/20	1,857	1,862	1,778	1,805	-3.53%	1,196,300	3921億2514万	-3.53%
05/19	1,848	1,878	1,831	1,871	+1.96%	949,300	4064億6323万	-0.27%
05/18	1,803	1,835	1,773	1,835	-2.96%	1,734,600	3986億4245万	-2.45%
05/15	（IR情報）19:00 東北特殊鋼株式会社(証券コード:5484)に対する公開買付けの開始に関するお知らせ
05/15	（IR情報）11:40 「取締役および執行役員の異動に関するお知らせ」の一部変更について
05/15	（IR情報）11:40 2026年3月期決算説明会
05/15	（IR情報）11:40 2026年3月期決算短信〔IFRS〕(連結)
05/15	1,906	2,028	1,863	1,891	-4.11%	3,186,800	4108億811万	+0.48%
05/14	1,900	1,972	1,891	1,972	+5.51%	1,144,400	4284億486万	+4.84%
05/13	1,868	1,887	1,851	1,869	+0.38%	901,700	4060億2874万	-0.43%
05/12	1,885	1,906	1,851	1,862	-0.05%	963,700	4045億803万	-0.69%
05/11	1,888	1,896	1,847	1,863	-0.85%	774,700	4047億2528万	-0.69%
05/08	1,869	1,879	1,831	1,879	-1%	730,000	4082億118万	+0.27%
05/07	1,866	1,917	1,857	1,898	+3.38%	987,900	4123億2881万	+1.33%
05/01	1,825	1,845	1,823	1,836	+0.71%	559,800	3988億5969万	-2.13%
04/30	1,818	1,833	1,801	1,823	-1.62%	681,800	3960億3552万	-3.08%
04/28	1,833	1,853	1,821	1,853	+1.65%	571,500	4025億5284万	-1.8%
04/27	（IR情報）17:00 執行役員の異動に関するお知らせ
04/27	1,828	1,840	1,798	1,823	-0.38%	558,600	3960億3552万	-3.6%
04/24	1,832	1,855	1,814	1,830	-0.38%	674,500	3975億5623万	-3.38%
04/23	1,863	1,869	1,805	1,837	-1.82%	764,600	3990億7694万	-3.26%
04/22	1,870	1,883	1,842	1,871	-1.21%	663,400	4064億6323万	-1.94%
04/21	1,919	1,923	1,894	1,894	+0.11%	657,100	4114億5984万	-1.04%
04/20	1,897	1,902	1,877	1,892	+0.37%	396,600	4110億2535万	-1.3%
04/17	1,895	1,901	1,883	1,885	-1.87%	397,700	4095億464万	-1.93%

大同特殊鋼（5471）のイベントチャート

2026/04/17～2026/09/11

イベント情報＆株価推移

開示資料

決算

株式

チャート