日付	始値	高値	安値	終値	前日比	出来高	時価総額	25日乖離	PER	PBR
2026
10/02	14,830	15,000	14,640	14,850	+0.41%	130,400	-	+11.08%	-	-
10/01	14,490	14,980	14,240	14,790	+2.14%	141,000	-	+11.08%	-	-
09/30	14,240	14,610	13,980	14,480	+2.99%	143,100	-	+9.27%	-	-
09/29	14,090	14,150	13,750	14,060	-0.35%	80,200	-	+6.31%	-	-
09/28	14,110	14,330	14,000	14,110	+1.15%	113,100	-	+6.89%	-	-
09/25	13,700	14,190	13,540	13,950	+0.29%	132,700	-	+5.86%	-	-
09/24	13,390	14,230	13,340	13,910	+6.26%	172,200	-	+5.43%	-	-
09/18	12,800	13,310	12,760	13,090	+3.89%	194,800	-	-1.23%	-	-
09/17	12,570	12,660	12,300	12,600	+1.86%	97,600	-	-5.55%	-	-
09/16	11,950	12,530	11,950	12,370	+2.91%	83,900	-	-8.08%	-	-
09/15	11,650	12,260	11,600	12,020	+1.43%	90,000	-	-11.36%	-	-
09/14	11,880	12,060	11,650	11,850	-5.05%	215,500	-	-13.2%	-	-
09/11	12,340	12,910	12,320	12,480	-5.6%	152,200	-	-9.17%	-	-
09/10	13,000	13,580	12,910	13,220	+0.61%	169,500	-	-4.34%	-	-
09/09	12,390	13,210	12,320	13,140	+8.33%	241,500	-	-5.16%	-	-
09/08	13,390	13,510	12,120	12,130	-11.52%	253,100	-	-12.16%	-	-
09/07	13,590	13,890	13,400	13,710	+5.06%	212,900	-	-0.63%	-	-
09/04	12,900	13,130	12,760	13,050	+1.71%	159,100	-	-5.12%	-	-
09/03	12,950	13,280	12,730	12,830	0%	226,300	-	-5.97%	-	-
09/02	13,590	13,840	12,800	12,830	-7.63%	239,300	-	-4.86%	-	-
09/01	13,440	14,070	13,400	13,890	+1.09%	144,600	-	+4.19%	-	-
08/31	12,950	13,790	12,800	13,740	+1.4%	276,400	-	+4.26%	-	-
08/28	14,010	14,150	13,550	13,550	-2.24%	131,800	-	+3.84%	-	-
08/27	14,480	14,770	13,720	13,860	+1.02%	160,900	-	+7%	-	-
08/26	13,500	13,910	13,160	13,720	+1.63%	136,900	-	+6.87%	-	-
08/25	13,140	13,710	13,140	13,500	+2.2%	137,500	-	+6.19%	-	-
08/24	13,600	13,690	13,130	13,210	-4.55%	161,600	-	+5.03%	-	-
08/21	13,120	14,190	13,030	13,840	+3.13%	205,700	-	+10.9%	-	-
08/20	13,600	13,820	13,240	13,420	-0.81%	148,500	-	+8.32%	-	-
08/19	13,840	14,160	13,500	13,530	-5.71%	235,400	-	+10.06%	-	-
08/18	15,210	15,260	14,310	14,350	-6.76%	144,100	-	+17.91%	-	-
08/17	15,290	15,730	15,180	15,390	+0.72%	140,700	-	+27.95%	-	-
08/14	15,690	15,900	15,170	15,280	-1.48%	170,400	-	+29.12%	-	-
08/13	15,130	15,750	15,000	15,510	+3.75%	207,000	-	+33.27%	-	-
08/12	14,200	15,260	14,070	14,950	+4.4%	228,500	-	+30.54%	-	-
08/10	14,940	15,300	14,210	14,320	+1.99%	274,000	-	+26.57%	-	-
08/07	14,390	14,530	13,660	14,040	-3.04%	225,800	-	+24.73%	-	-
08/06	15,000	15,900	14,230	14,480	+2.7%	399,600	-	+29.49%	-	-
08/05	12,500	14,100	12,410	14,100	+17.6%	313,000	-	+26.82%	-	-
08/04	12,030	12,310	11,760	11,990	+1.27%	197,600	-	+8.55%	-	-
08/03	12,020	12,300	11,700	11,840	-6.18%	311,300	-	+7.11%	-	-
07/31	11,500	12,850	11,150	12,620	+22.17%	842,200	-	+13.89%	-	-
07/30	10,300	10,330	10,010	10,330	+16.99%	230,800	-	-6.83%	-	-
07/29	9,170	9,260	8,520	8,830	-2.11%	355,900	-	-20.84%	-	-
07/28	9,640	9,720	8,920	9,020	-10.16%	194,500	-	-20.18%	-	-
07/27	10,480	10,500	9,880	10,040	-4.38%	119,900	-	-12.45%	-	-
07/24	10,860	10,970	10,320	10,500	-5.91%	80,100	-	-9.24%	-	-
07/23	11,200	11,380	10,980	11,160	+1.55%	75,200	-	-4.3%	-	-
07/22	11,100	11,540	10,950	10,990	+3.78%	106,200	-	-6.05%	-	-
07/21	10,340	10,660	9,900	10,590	+4.85%	96,600	-	-9.66%	-	-
07/17	10,400	10,510	9,600	10,100	-6.39%	205,200	-	-14.1%	-	-
07/16	11,320	11,390	10,630	10,790	-6.66%	100,100	-	-8.43%	-	-
07/15	10,790	11,610	10,750	11,560	+5%	102,300	-	-1.63%	-	-
07/14	10,350	11,130	10,170	11,010	+5.26%	133,700	-	-5.85%	-	-
07/13	10,880	11,060	10,380	10,460	-3.24%	81,100	-	-10.39%	-	-
07/10	10,840	11,120	10,770	10,810	+2.56%	84,100	-	-7.46%	-	-
07/09	10,510	10,660	10,360	10,540	+1.74%	88,500	-	-10.05%	-	-
07/08	10,370	10,970	10,300	10,360	-4.6%	112,600	-	-11.8%	-	-
07/07	11,520	11,850	10,570	10,860	-5.65%	141,100	-	-8.01%	-	-
07/06	12,580	12,840	11,470	11,510	-10.64%	154,200	-	-2.73%	-	-
07/03	11,870	12,880	11,690	12,880	+5.83%	120,000	-	+8.83%	-	-
07/02	12,300	12,720	11,770	12,170	-5.66%	130,000	-	+3.36%	-	-
07/01	12,690	13,080	12,500	12,900	+5.05%	98,200	-	+9.92%	-	-
06/30	12,260	12,740	12,170	12,280	+0.57%	92,900	-	+5.51%	-	-
06/29	12,520	12,520	11,840	12,210	-2.4%	66,700	-	+5.55%	-	-
06/26	12,490	12,790	12,230	12,510	-1.96%	91,900	-	+9.07%	-	-
06/25	12,590	12,850	12,270	12,760	+6.24%	86,700	-	+12.48%	-	-
06/24	12,200	12,600	11,640	12,010	-3.92%	103,600	-	+7.42%	-	-
06/23	13,230	13,440	12,500	12,500	-5.3%	130,900	-	+13.23%	-	-
06/22	12,850	13,540	12,800	13,200	+5.01%	107,900	-	+21.33%	-	-
06/19	13,110	13,430	12,550	12,570	-2.03%	162,000	-	+17.4%	-	-
06/18	12,180	13,080	12,180	12,830	+6.38%	168,600	-	+21.55%	-	-
06/17	11,270	12,160	11,200	12,060	+4.24%	62,800	-	+15.75%	-	-
06/16	11,440	11,680	11,350	11,570	+0.61%	61,500	-	+12.05%	-	-
06/15	11,250	11,560	11,000	11,500	+7.28%	107,600	-	+12.13%	-	-
06/12	10,580	11,080	10,550	10,720	+7.31%	146,900	-	+5.42%	-	-
06/11	9,860	10,120	9,730	9,990	-1.58%	78,000	-	-1.07%	-	-
06/10	10,120	10,380	9,990	10,150	-3.15%	126,100	-	+0.93%	-	-
06/09	10,900	10,970	10,200	10,480	-1.6%	128,400	-	+4.98%	-	-
06/08	10,610	10,920	10,380	10,650	-9.21%	357,000	-	+7.59%	-	-
06/05	11,070	12,000	10,910	11,730	+4.17%	190,900	-	+19.63%	-	-
06/04	11,560	11,700	11,020	11,260	-5.06%	143,100	-	+16.56%	-	-
06/03	11,860	12,080	11,590	11,860	+2.95%	106,600	-	+24.42%	-	-
06/02	11,470	11,620	10,970	11,520	-0.35%	129,800	-	+22.87%	-	-
06/01	11,210	11,660	11,070	11,560	+1.67%	113,100	-	+25.27%	-	-
05/29	11,510	11,780	11,210	11,370	+1.34%	205,300	-	+25.03%	-	-
05/28	10,530	11,260	10,150	11,220	+7.16%	345,500	-	+25.13%	-	-
05/27	10,680	10,740	10,160	10,470	-0.29%	254,100	-	+18.24%	-	-
05/26	9,800	10,570	9,590	10,500	+7.47%	332,600	-	+19.47%	-	-
05/25	9,270	9,890	9,140	9,770	+4.38%	228,100	-	+12.09%	-	-
05/22	8,940	9,450	8,920	9,360	+8.33%	195,000	-	+7.77%	-	-
05/21	8,790	8,820	8,480	8,640	+1.77%	153,300	-	-0.17%	-	-
05/20	8,500	8,830	8,350	8,490	-0.24%	128,100	-	-1.92%	-	-
05/19	8,910	9,010	8,280	8,510	-4.27%	219,300	-	-1.58%	-	-
05/18	8,940	9,190	8,560	8,890	+1.25%	189,700	-	+2.82%	-	-
05/15	9,370	9,520	8,610	8,780	-6.89%	356,700	-	+1.94%	-	-
05/14	9,960	10,250	9,170	9,430	-3.18%	502,200	-	+9.86%	-	-
05/13	9,710	11,290	9,520	9,740	-0.71%	869,500	-	+14.4%	-	-
05/12	9,480	10,110	9,420	9,810	+5.14%	363,600	-	+16.4%	-	-
05/11	9,230	9,420	9,080	9,330	+4.48%	169,800	-	+11.72%	-	-

年初来

年度	株価		出来高	PER		PBR		時価総額		期末
年度	高値	安値	大商い	高値	安値	高値	安値	高値	安値	PER
2010年 3月期	1,550 310 8/27	910 182 4/14 182 4/9	172,800 864,000 9/4	24.52	14.39	0.86	0.5	-	-	21.04倍 3/31
2011年 3月期	1,750 350 1/18	965 193 10/18	462,600 2,313,000 3/8	13.16	7.26	0.97	0.53	139億2356万	76億7785万	9.81倍 3/31
2012年 3月期	1,470 294 7/14	1,010 202 11/11	225,200 1,126,000 4/28	77.37	53.16	0.79	0.54	127億6595万	87億7116万	64.74倍 3/30
2013年 3月期	1,445 289 3/8	910 182 10/15	261,200 1,306,000 3/8	15.75	9.92	0.73	0.46	125億4884万	79億273万	13.62倍 3/29
2014年 3月期	2,310 462 1/24	1,130 226 9/2	25,780,400 128,902,000 1/24	14.76	7.22	1.05	0.51	200億6078万	98億1328万	10.29倍 3/31
2015年 3月期	2,595 519 7/8	1,470 294 5/12	3,747,400 18,737,000 7/8	13.42	7.6	1.1	0.62	225億3581万	127億6595万	10倍 3/31
2016年 3月期	2,035 407 9/8	1,430 286 2/12	484,400 2,422,000 9/8	9.78	6.87	0.84	0.59	217億4259万	152億7858万	7.88倍 3/31
2017年 3月期	2,295 459 2/16 459 2/15	1,435 287 6/24	268,600 1,343,000 2/1	9.69	6.06	0.87	0.54	245億2051万	153億3200万	9.01倍 3/31
2018年 3月期	5,290 1,058 2/2	1,900 380 4/17	414,200 2,071,000 11/1	16.02	5.75	1.78	0.64	565億2006万	203億21万	13.25倍 3/30
2019年 3月期	4,700 940 4/5	2,317 11/2	429,800 2,149,000 5/1	18.5	9.12	1.52	0.75	502億1631万	247億5557万	13.7倍 3/29
2020年 3月期	4,890 2/12	2,543 8/29	413,100 1/31	24.69	12.84	1.57	0.82	522億4632万	271億7022万	18.93倍 3/31
2021年 3月期	5,350 6/30 6/29	3,495 4/2	282,900 5/29	21.24	13.87	1.57	1.03	571億6111万	373億4170万	14.61倍 3/31
2022年 3月期	4,030 4/19	2,499 3/9	219,400 5/27	16.47	10.21	1.12	0.69	430億5781万	267億11万	11.27倍 3/31
2023年 3月期	2,780 4/5	1,785 3/20	239,900 6/27	赤字	赤字	0.77	0.5	297億241万	190億7151万	赤字 3/31
2024年 3月期	3,915 3/21	1,569 10/30	818,500 1/31	31.9	12.79	1.02	0.41	418億2911万	167億6369万	29.91倍 3/29
2025年 3月期	4,200 12/5	2,370 8/5	554,500 1/29	15.56	8.78	1.04	0.59	448億7414万	253億2184万	10.19倍 3/31
2026年 3月期	12,550 3/3	2,107 4/7	635,900 9/10	20.7	3.48	2.56	0.43	1340億8822万	225億1186万	12.24倍 3/31
最新	14,850 2026/10/2		130,400	-		-		1586億6216万		-

第一工業製薬（4461）のPER（株価収益率）の推移

2026/05/11～2026/10/02

株価＆PERの推移

年初来

開示資料

決算

株式

チャート