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
09/15	（IR情報）16:30 第三者割当による新株式の発行に関するお知らせ
09/15	250	251	244	246	-1.2%	13,100	-	-4.28%
09/14	252	252	247	249	-1.19%	10,800	-	-3.49%
09/11	250	254	250	252	-0.4%	11,000	-	-2.33%
09/10	253	254	252	253	-0.78%	5,200	-	-2.32%
09/09	254	258	253	255	-1.16%	10,500	-	-1.54%
09/08	261	261	255	258	-1.15%	10,000	-	-0.39%
09/07	265	265	258	261	-2.61%	11,100	-	+1.16%
09/04	258	274	254	268	+2.68%	35,200	-	+4.28%
09/03	256	262	255	261	+0.77%	9,800	-	+1.95%
09/02	256	259	256	259	+0.39%	1,400	-	+1.17%
09/01	254	258	254	258	+1.57%	2,200	-	+1.18%
08/31	253	255	252	254	-0.39%	9,400	-	0%
08/28	（IR情報）15:30 2026年12月期第2四半期決算説明会資料(事業計画及び成長可能性に関する事項)
08/28	255	258	255	255	-0.78%	3,500	-	+0.39%
08/27	257	257	254	257	+0.78%	2,200	-	+1.18%
08/26	255	258	253	255	0%	4,200	-	+0.79%
08/25	256	259	255	255	-1.16%	3,400	-	+0.79%
08/24	262	262	255	258	-0.77%	4,000	-	+2.38%
08/21	262	262	255	260	-0.76%	6,200	-	+3.17%
08/20	260	262	260	262	+0.77%	2,100	-	+3.97%
08/19	258	260	255	260	+0.39%	6,000	-	+3.17%
08/18	263	267	258	259	-2.26%	9,100	-	+2.78%
08/17	（IR情報）16:00 株式会社エンヴァリスによる当社アナリストレポート公開のお知らせ
08/17	261	265	258	265	+1.53%	15,300	-	+5.58%
08/14	259	262	253	261	+0.77%	14,900	-	+3.98%
08/13	（IR情報）16:00 特別利益(新株予約権戻入益)の計上に関するお知らせ
08/13	（IR情報）16:00 2026年12月期第2四半期(中間期)決算短信〔日本基準〕(連結)
08/13	257	261	255	259	+1.17%	9,600	-	+3.6%
08/12	257	262	256	256	-0.39%	10,500	-	+2.4%
08/10	250	261	248	257	-0.39%	7,400	-	+2.8%
08/07	259	259	250	258	-0.39%	800	-	+3.61%
08/06	256	259	249	259	+1.17%	2,400	-	+4.02%
08/05	258	262	256	256	-0.78%	3,600	-	+3.23%
08/04	247	258	246	258	+5.74%	17,700	-	+4.03%
08/03	244	249	241	244	+0.41%	4,800	-	-1.21%
07/31	243	249	242	243	0%	5,500	-	-1.62%
07/30	244	263	239	243	0%	45,600	-	-1.62%
07/29	240	245	240	243	+2.1%	3,200	-	-1.62%
07/28	241	246	238	238	-1.24%	5,800	-	-4.03%
07/27	244	244	240	241	-0.82%	2,200	-	-2.82%
07/24	246	246	240	243	-2.02%	10,100	-	-2.41%
07/23	251	255	248	248	-2.36%	4,000	-	-0.4%
07/22	247	259	247	254	+1.6%	5,600	-	+2.01%
07/21	237	252	237	250	+5.49%	14,300	-	+0.4%
07/17	254	257	231	237	-7.42%	30,500	-	-4.82%
07/16	250	260	250	256	-0.78%	7,600	-	+2.4%
07/15	262	262	256	258	+0.78%	4,800	-	+3.2%
07/14	252	261	252	256	+1.99%	10,000	-	+2.4%
07/13	254	255	246	251	-0.79%	2,800	-	0%
07/10	245	254	245	253	+2.43%	4,700	-	+0.4%
07/09	245	247	244	247	+0.82%	4,000	-	-2.37%
07/08	250	250	245	245	-2.39%	1,500	-	-3.92%
07/07	255	258	251	251	-0.79%	4,100	-	-1.95%
07/06	249	254	249	253	+1.61%	3,900	-	-1.17%
07/03	245	249	244	249	+0.81%	6,000	-	-3.11%
07/02	247	248	244	247	+2.07%	5,100	-	-4.26%
07/01	240	244	240	242	+0.41%	4,900	-	-6.56%
06/30	243	246	240	241	0%	5,100	-	-7.31%
06/29	245	245	240	241	0%	3,100	-	-7.66%
06/26	249	252	241	241	-2.82%	18,200	-	-8.02%
06/25	253	257	248	248	-1.2%	7,200	-	-5.7%
06/24	250	256	248	251	+0.4%	43,100	-	-4.92%
06/23	252	255	250	250	-0.79%	9,700	-	-5.66%
06/22	254	259	251	252	-0.4%	30,500	-	-5.26%
06/19	252	260	252	253	-0.39%	18,500	-	-5.24%
06/18	256	257	251	254	+1.2%	16,500	-	-5.22%
06/18	（空売り報告）Nomura International plc 40,947株（0.48%）-0.21%義務消失
06/17	251	255	251	251	+0.4%	16,600	-	-7.04%
06/16	251	255	250	250	-0.79%	7,500	-	-8.09%
06/15	256	257	247	252	-1.95%	28,300	-	-8.03%
06/12	260	261	257	257	-1.91%	11,500	-	-6.88%
06/11	262	269	256	262	0%	46,000	-	-5.76%
06/11	（空売り報告）Nomura International plc 58,241株（0.69%）-0.04%
06/10	271	271	261	262	-3.68%	29,900	-	-6.43%
06/09	271	298	264	272	+0.74%	135,800	-	-3.55%
06/08	284	295	268	270	-6.25%	123,500	-	-4.59%
06/05	299	336	275	288	-2.04%	559,900	-	+1.41%
06/05	（空売り報告）Nomura International plc 62,031株（0.73%）+0.23%
06/04	270	342	270	294	+12.21%	1,110,500	-	+3.16%
06/03	263	300	260	262	-0.38%	67,900	-	-8.07%
06/03	（空売り報告）Nomura International plc 42,903株（0.5%）-0.16%
06/02	261	268	260	263	0%	17,300	-	-8.36%
06/01	271	272	263	263	-3.66%	21,700	-	-9.31%
05/29	276	276	271	273	-1.09%	14,400	-	-6.51%
05/28	269	309	266	276	+2.99%	77,200	-	-6.44%
05/27	269	275	264	268	-0.37%	30,200	-	-9.76%
05/27	（空売り報告）Nomura International plc 56,001株（0.66%）-0.13%
05/26	268	271	267	269	+0.75%	7,000	-	-10.33%
05/25	269	276	267	267	-0.37%	10,700	-	-11.59%
05/22	273	275	268	268	-0.74%	15,800	-	-11.84%
05/21	278	278	270	270	-1.1%	11,100	-	-11.76%
05/20	278	280	271	273	-2.15%	24,500	-	-11.36%
05/20	（空売り報告）Nomura International plc 67,471株（0.79%）-0.09%
05/19	287	289	279	279	-1.06%	15,800	-	-10.29%
05/18	286	290	280	282	-1.4%	22,900	-	-9.9%
05/15	（IR情報）16:00 2026年12月期第1四半期決算短信〔日本基準〕(連結)
05/15	297	297	281	286	-3.05%	21,800	-	-9.21%
05/14	297	302	295	295	-1.01%	9,500	-	-6.94%
05/13	295	306	295	298	-0.67%	10,500	-	-6.29%
05/12	305	314	299	300	-2.91%	29,500	-	-6.25%
05/12	（空売り報告）Nomura International plc 74,475株（0.88%）-0.05%
05/11	310	314	307	309	-0.64%	9,500	-	-3.74%
05/08	300	323	300	311	+3.67%	44,700	-	-3.42%
05/08	（空売り報告）Nomura International plc 78,576株（0.93%）-0.16%
05/07	309	309	297	300	-0.66%	29,200	-	-6.83%
05/01	307	309	302	302	-1.63%	8,200	-	-6.79%
04/30	308	328	301	307	-0.32%	47,200	-	-5.54%
04/30	（空売り報告）Nomura International plc 92,276株（1.09%）-0.07%
04/28	297	313	297	308	+4.41%	19,800	-	-5.81%
04/28	（空売り報告）Nomura International plc 98,075株（1.16%）-0.1%
04/27	302	308	292	295	-2.32%	32,100	-	-10.06%
04/24	316	316	302	302	-3.21%	17,300	-	-8.48%
04/23	327	327	308	312	-4.29%	27,900	-	-6.02%
04/22	330	330	324	326	-1.81%	10,000	-	-2.4%
04/21	336	336	320	332	-0.6%	25,400	-	-0.9%
04/21	（空売り報告）Nomura International plc 106,474株（1.26%）-0.12%
04/15	（空売り報告）Nomura International plc 114,679株（1.38%）-0.1%

Welby（4438）のイベントチャート

2026/04/21～2026/09/15

イベント情報＆株価推移

開示資料

決算

株式

チャート