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
10/27	1,831	1,833	1,813	1,820	-0.55%	50,600	-	-1.94%
10/26	1,823	1,835	1,819	1,830	-0.38%	42,600	-	-1.51%
10/23	1,849	1,849	1,827	1,837	-0.16%	43,700	-	-1.18%
10/22	1,841	1,848	1,836	1,840	0%	35,100	-	-1.08%
10/21	1,834	1,840	1,827	1,840	+0.71%	32,600	-	-1.02%
10/20	1,842	1,844	1,824	1,827	-0.71%	52,100	-	-1.67%
10/19	1,855	1,859	1,831	1,840	-0.81%	98,300	-	-1.02%
10/16	1,857	1,862	1,845	1,855	+0.71%	70,900	-	-0.16%
10/15	1,843	1,860	1,838	1,842	-0.59%	78,900	-	-0.86%
10/14	（IR情報）15:30 2027年5月期第1四半期決算短信〔日本基準〕(連結)
10/14	1,857	1,872	1,838	1,853	-0.27%	76,800	-	-0.32%
10/13	1,840	1,858	1,840	1,858	+1.25%	30,200	-	-0.05%
10/09	1,825	1,849	1,823	1,835	+0.71%	41,500	-	-1.29%
10/08	1,831	1,833	1,810	1,822	-1.46%	78,500	-	-2.15%
10/07	1,855	1,858	1,840	1,849	-0.43%	44,300	-	-0.8%
10/06	1,850	1,871	1,850	1,857	+0.38%	38,600	-	-0.43%
10/05	1,856	1,859	1,840	1,850	-0.32%	76,800	-	-0.8%
10/02	1,870	1,872	1,850	1,856	-0.85%	84,800	-	-0.54%
10/01	1,870	1,874	1,860	1,872	+0.05%	56,800	-	+0.43%
09/30	1,882	1,888	1,871	1,871	-0.69%	55,700	-	+0.43%
09/29	1,893	1,898	1,880	1,884	-1.21%	77,600	-	+1.24%
09/28	1,899	1,909	1,886	1,907	+0.79%	97,200	-	+2.69%
09/25	1,900	1,901	1,884	1,892	+0.11%	88,500	-	+2.22%
09/24	1,897	1,900	1,880	1,890	-0.05%	69,600	-	+2.38%
09/18	1,891	1,899	1,880	1,891	-0.05%	66,900	-	+2.72%
09/17	1,864	1,892	1,864	1,892	+1.28%	53,000	-	+2.99%
09/16	1,855	1,875	1,855	1,868	+0.81%	34,000	-	+2.02%
09/15	1,850	1,868	1,848	1,853	+0.38%	45,200	-	+1.48%
09/14	1,810	1,848	1,810	1,846	+1.6%	33,200	-	+1.32%
09/11	1,820	1,832	1,811	1,817	-0.82%	48,600	-	-0.06%
09/10	1,822	1,832	1,813	1,832	+0.05%	42,400	-	+0.94%
09/09	1,830	1,836	1,823	1,831	-0.33%	36,000	-	+1.1%
09/08	1,838	1,845	1,821	1,837	-0.43%	47,900	-	+1.72%
09/07	1,856	1,860	1,844	1,845	-0.59%	39,700	-	+2.39%
09/04	1,851	1,866	1,841	1,856	-0.16%	43,800	-	+3.23%
09/03	1,857	1,874	1,855	1,859	+0.11%	45,500	-	+3.62%
09/02	1,900	1,908	1,850	1,857	-2.47%	101,100	-	+3.69%
09/01	（IR情報）15:30 株式会社FullDepthとエイト日本技術開発の資本業務提携についてのお知らせ
09/01	1,876	1,904	1,875	1,904	+0.95%	72,900	-	+6.55%
08/31	（IR情報）15:30 (開示事項の経過)持分法適用関連会社株式の譲渡に伴う特別利益の計上に関するお知らせ
08/31	1,870	1,893	1,849	1,886	+0.8%	57,500	-	+5.84%
08/28	1,859	1,877	1,856	1,871	+0.21%	62,900	-	+5.35%
08/27	（IR情報）15:30 支配株主等に関する事項について
08/27	1,860	1,881	1,856	1,867	+0.54%	72,200	-	+5.48%
08/26	1,830	1,857	1,830	1,857	+1.7%	73,600	-	+5.15%
08/25	1,834	1,840	1,821	1,826	0%	36,300	-	+3.63%
08/24	1,836	1,838	1,818	1,826	0%	62,900	-	+3.75%
08/21	1,800	1,835	1,792	1,826	+2.76%	135,400	-	+3.87%
08/20	1,764	1,777	1,761	1,777	+1.08%	57,800	-	+1.14%
08/19	（IR情報）15:30 持分法適用関連会社の異動(株式譲渡)に関するお知らせ
08/19	1,766	1,776	1,748	1,758	-0.73%	44,600	-	+0.23%
08/18	1,777	1,779	1,764	1,771	-0.34%	56,800	-	+1.2%
08/17	1,780	1,799	1,776	1,777	+0.17%	84,600	-	+1.78%
08/14	1,755	1,774	1,748	1,774	+0.8%	70,400	-	+1.78%
08/13	1,754	1,760	1,744	1,760	+1.21%	65,000	-	+1.21%
08/12	1,745	1,752	1,739	1,739	-0.29%	63,000	-	+0.23%
08/10	1,762	1,762	1,739	1,744	0%	30,700	-	+0.63%
08/07	（IR情報）15:30 当社連結子会社の重要人事に関するお知らせ
08/07	1,744	1,759	1,739	1,744	+0.23%	35,800	-	+0.87%
08/06	1,727	1,742	1,726	1,740	+0.52%	35,100	-	+0.87%
08/05	1,727	1,739	1,727	1,731	+0.23%	30,300	-	+0.58%
08/04	1,729	1,733	1,718	1,727	-0.29%	39,700	-	+0.64%
08/03	1,758	1,758	1,729	1,732	-0.74%	53,600	-	+1.17%
07/31	1,758	1,766	1,745	1,745	-0.68%	38,300	-	+2.29%
07/30	1,776	1,778	1,750	1,757	-1.24%	57,300	-	+3.41%
07/29	1,770	1,781	1,755	1,779	+0.96%	42,400	-	+5.14%
07/28	1,775	1,775	1,748	1,762	-0.11%	44,100	-	+4.63%
07/27	1,753	1,771	1,753	1,764	+1.38%	41,700	-	+5.19%
07/24	1,734	1,744	1,723	1,740	+0.29%	42,000	-	+4.19%
07/23	1,748	1,755	1,722	1,735	-1.25%	46,300	-	+4.2%
07/22	1,760	1,766	1,740	1,757	-0.28%	79,600	-	+5.91%
07/21	1,778	1,785	1,756	1,762	-0.28%	66,400	-	+6.66%
07/17	1,791	1,800	1,753	1,767	-1.45%	83,900	-	+7.42%
07/16	1,820	1,845	1,790	1,793	0%	98,100	-	+9.46%
07/15	（IR情報）15:30 株式会社気象工学研究所の完全子会社化に関するお知らせ
07/15	1,764	1,811	1,760	1,793	+5.91%	264,900	-	+10%
07/14	（IR情報）15:30 資本コストや株価を意識した経営の実現に向けた取り組みについて
07/14	（IR情報）15:30 当社創立20周年の周年記念配当の実施に関するお知らせ
07/14	（IR情報）15:30 2026年5月期決算短信〔日本基準〕(連結)
07/14	1,681	1,701	1,678	1,693	+1.68%	67,900	-	+4.44%
07/13	1,698	1,707	1,665	1,665	-0.95%	52,700	-	+3.03%
07/10	1,688	1,692	1,680	1,681	+0.06%	51,600	-	+4.22%
07/09	1,687	1,689	1,674	1,680	-0.3%	70,500	-	+4.48%
07/08	1,671	1,689	1,663	1,685	+0.84%	58,000	-	+5.12%
07/07	1,675	1,684	1,668	1,671	0%	45,100	-	+4.5%
07/06	1,657	1,672	1,655	1,671	+0.66%	50,300	-	+4.76%
07/03	1,652	1,667	1,647	1,660	+0.97%	56,100	-	+4.34%
07/02	1,628	1,650	1,626	1,644	+1.54%	48,100	-	+3.4%
07/01	1,615	1,625	1,607	1,619	+0.37%	32,000	-	+1.89%
06/30	1,623	1,625	1,609	1,613	-0.43%	60,500	-	+1.38%
06/29	1,597	1,620	1,595	1,620	+2.02%	79,900	-	+1.76%
06/26	1,581	1,590	1,576	1,588	+0.51%	31,900	-	-0.31%
06/25	1,589	1,601	1,578	1,580	+0.19%	34,500	-	-1%
06/24	1,581	1,594	1,577	1,577	-0.19%	31,600	-	-1.38%
06/23	1,583	1,586	1,576	1,580	-0.63%	43,000	-	-1.37%
06/22	1,600	1,602	1,584	1,590	-0.38%	41,200	-	-1%
06/19	1,600	1,600	1,581	1,596	0%	53,000	-	-0.75%
06/18	1,595	1,604	1,590	1,596	+0.44%	48,400	-	-0.87%
06/17	1,586	1,605	1,586	1,589	+0.25%	43,300	-	-1.49%
06/16	（5%ルール）Y&K（0.98%）小谷裕司（2.23%）八雲（19.21%）
06/16	1,595	1,596	1,576	1,585	-1%	52,200	-	-1.92%
06/15	1,601	1,610	1,598	1,601	+0.76%	51,200	-	-1.11%
06/12	1,582	1,594	1,575	1,589	+0.44%	98,900	-	-2.09%
06/11	1,577	1,582	1,555	1,582	+0.19%	83,600	-	-2.71%
06/10	1,568	1,579	1,564	1,579	+0.64%	58,800	-	-3.19%
06/09	1,572	1,587	1,561	1,569	-0.13%	60,000	-	-4.04%
06/08	1,570	1,583	1,558	1,571	-0.25%	92,100	-	-4.21%
06/05	1,566	1,588	1,566	1,575	+1.48%	61,200	-	-4.31%
06/04	1,560	1,565	1,550	1,552	-1.08%	49,400	-	-5.94%
06/03	1,573	1,577	1,562	1,569	-0.44%	92,300	-	-5.2%
06/02	1,580	1,587	1,562	1,576	-0.63%	97,200	-	-5.06%
05/28	（IR情報）16:00 当社の連結子会社の重要人事に関するお知らせ
05/28	（IR情報）16:00 当社の連結子会社「株式会社エイト日本技術開発」の新組織体制に関するお知らせ

E・J HD（2153）のイベントチャート

2026/06/02～2026/10/27

イベント情報＆株価推移

開示資料

決算

株式

チャート