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
09/29	420	420	418	418	-1.42%	40,600	-	-1.65%
09/28	425	425	423	424	-0.24%	17,500	-	-0.24%
09/25	422	425	422	425	+0.24%	25,300	-	0%
09/24	421	424	421	424	+0.71%	16,200	-	-0.24%
09/18	（IR情報）16:00 取締役の辞任に関するお知らせ
09/18	425	425	421	421	-0.71%	37,700	-	-1.17%
09/17	422	425	422	424	+0.24%	24,900	-	-0.47%
09/16	423	424	421	423	0%	34,700	-	-0.7%
09/15	423	424	422	423	-0.24%	12,200	-	-0.7%
09/14	424	424	422	424	0%	11,800	-	-0.47%
09/11	424	424	422	424	0%	11,100	-	-0.47%
09/10	424	426	422	424	0%	22,300	-	-0.47%
09/09	425	425	423	424	-0.24%	16,600	-	-0.47%
09/08	427	427	424	425	-0.47%	11,900	-	-0.23%
09/07	427	427	425	427	0%	15,300	-	+0.23%
09/04	427	427	426	427	+0.23%	7,500	-	+0.23%
09/03	426	427	426	426	0%	9,900	-	0%
09/02	425	427	425	426	+0.24%	16,200	-	0%
09/01	426	428	425	425	-0.23%	25,000	-	-0.23%
08/31	426	429	424	426	-0.7%	18,700	-	0%
08/28	426	429	426	429	+0.47%	15,900	-	+0.7%
08/27	427	428	426	427	0%	10,900	-	+0.23%
08/26	428	428	426	427	-0.23%	13,600	-	+0.23%
08/25	428	428	425	428	0%	10,900	-	+0.47%
08/24	427	429	425	428	+0.47%	15,000	-	+0.47%
08/21	425	427	423	426	+0.24%	27,300	-	0%
08/20	424	426	423	425	+0.24%	17,400	-	-0.23%
08/19	427	427	422	424	-0.7%	20,200	-	-0.47%
08/18	428	429	425	427	-0.23%	14,300	-	+0.23%
08/17	434	434	426	428	-1.38%	27,200	-	+0.71%
08/14	426	440	424	434	+1.88%	91,700	-	+2.12%
08/13	426	427	424	426	0%	7,000	-	+0.24%
08/12	422	427	422	426	+0.24%	12,900	-	+0.47%
08/10	423	427	421	425	+0.24%	13,600	-	+0.24%
08/07	422	424	421	424	+0.47%	8,800	-	0%
08/06	420	424	419	422	+0.24%	16,900	-	-0.47%
08/05	420	421	418	421	+0.24%	24,300	-	-0.47%
08/04	420	423	419	420	0%	20,000	-	-0.71%
08/03	423	423	419	420	-1.18%	20,900	-	-0.71%
07/31	（IR情報）16:00 2027年3月期第1四半期決算短信〔日本基準〕(非連結)
07/31	424	430	420	425	-0.23%	66,300	-	+0.47%
07/30	425	426	420	426	+0.24%	34,500	-	+0.95%
07/29	428	428	424	425	-0.7%	11,500	-	+0.71%
07/28	426	429	424	428	+0.23%	24,200	-	+1.42%
07/27	429	430	427	427	0%	11,100	-	+1.43%
07/24	430	430	426	427	-0.47%	6,300	-	+1.43%
07/23	429	429	425	429	0%	17,900	-	+1.9%
07/22	427	429	426	429	+0.23%	4,400	-	+1.9%
07/21	430	434	427	428	-0.47%	17,200	-	+1.9%
07/17	425	437	424	430	+0.23%	52,100	-	+2.38%
07/16	421	430	421	429	+1.66%	69,700	-	+2.39%
07/15	421	424	420	422	+0.48%	30,800	-	+0.72%
07/14	419	423	418	420	0%	23,100	-	+0.24%
07/13	421	424	417	420	-0.47%	44,300	-	+0.24%
07/10	420	424	420	422	+0.48%	13,200	-	+0.72%
07/09	425	425	420	420	-0.71%	24,900	-	+0.24%
07/08	423	424	419	423	-0.24%	23,500	-	+0.95%
07/07	421	424	420	424	+0.95%	18,800	-	+1.19%
07/06	418	421	418	420	+0.24%	25,100	-	+0.24%
07/03	416	420	415	419	+0.72%	13,100	-	0%
07/02	414	420	414	416	+0.48%	28,500	-	-0.72%
07/01	415	416	414	414	0%	5,500	-	-1.19%
06/30	416	417	413	414	-0.72%	34,300	-	-1.43%
06/29	420	420	413	417	+0.24%	30,100	-	-0.71%
06/26	417	419	415	416	+0.24%	25,500	-	-1.19%
06/25	415	415	413	415	+0.24%	23,600	-	-1.66%
06/24	416	417	414	414	-0.96%	34,500	-	-1.9%
06/23	418	419	416	418	+0.24%	17,100	-	-0.95%
06/22	416	420	416	417	+0.24%	24,500	-	-1.42%
06/19	422	424	415	416	-1.89%	67,600	-	-1.65%
06/18	426	426	421	424	-0.47%	21,700	-	0%
06/17	（IR情報）16:00 「クーデックエイミーPCA」の欧州展開に向けたMDR(欧州医療機器規則)の申請承認状況について(開示事項の経過)
06/17	420	427	420	426	+1.43%	29,300	-	+0.24%
06/16	420	430	415	420	0%	50,400	-	-1.18%
06/15	417	420	417	420	+0.72%	13,000	-	-1.41%
06/12	423	423	417	417	-0.24%	9,400	-	-2.34%
06/11	419	422	418	418	-0.71%	13,500	-	-2.34%
06/10	415	425	415	421	+0.96%	25,400	-	-1.86%
06/09	426	428	409	417	-2.11%	170,700	-	-3.02%
06/08	422	429	422	426	-0.23%	22,100	-	-1.16%
06/05	421	428	421	427	+1.18%	20,600	-	-1.16%
06/04	419	426	418	422	+1.2%	56,100	-	-2.31%
06/03	416	419	413	417	0%	48,600	-	-3.7%
06/02	423	423	415	417	-1.42%	46,600	-	-4.14%
06/01	425	425	421	423	-0.47%	26,700	-	-2.98%
05/29	428	428	425	425	-0.23%	22,600	-	-2.75%
05/28	425	429	424	426	-0.23%	28,800	-	-2.74%
05/27	425	428	425	427	+0.47%	17,800	-	-2.73%
05/26	427	428	424	425	-0.47%	25,100	-	-3.41%
05/25	430	431	423	427	-1.39%	31,800	-	-3.17%
05/22	429	433	428	433	+0.93%	19,500	-	-2.04%
05/21	424	441	422	429	+1.18%	59,600	-	-3.16%
05/20	427	430	422	424	-0.47%	39,200	-	-4.5%
05/19	418	428	418	426	+2.16%	55,700	-	-4.27%
05/18	442	442	411	417	-5.87%	248,700	-	-6.5%
05/15	（IR情報）16:00 2026年3月期決算短信〔日本基準〕(非連結)
05/15	441	443	440	443	+0.45%	26,900	-	-0.89%
05/14	440	442	438	441	-0.23%	35,400	-	-1.34%
05/13	443	444	440	442	0%	17,200	-	-1.34%
05/12	445	445	440	442	-0.67%	38,200	-	-1.34%
05/11	447	447	442	445	-0.45%	16,100	-	-0.67%
05/08	445	448	442	447	+0.22%	38,300	-	-0.45%
05/07	442	447	441	446	+1.13%	30,400	-	-0.67%
05/01	441	442	438	441	+0.23%	58,800	-	-1.78%

大研医器（7775）のイベントチャート

2026/05/01～2026/09/29

イベント情報＆株価推移

開示資料

決算

株式

チャート