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	2,720	2,751	2,704	2,709	-1.17%	5,139,800	-	-4.21%	-	-
10/01	2,783	2,793	2,734	2,741	-2.11%	5,497,100	-	-3.25%	-	-
09/30	2,807	2,817	2,756	2,800	+0.54%	6,419,800	-	-1.34%	-	-
09/29	2,830	2,848	2,769	2,785	-1.59%	6,533,900	-	-1.9%	-	-
09/28	2,865	2,876	2,819	2,830	-3.38%	12,131,200	-	-0.46%	-	-
09/25	2,900	2,963	2,894	2,929	+1.7%	6,404,400	-	+3.17%	-	-
09/24	2,940	2,946	2,868	2,880	-2.51%	7,541,800	-	+1.8%	-	-
09/18	2,953	2,956	2,913	2,954	+0.72%	8,967,600	-	+4.71%	-	-
09/17	2,856	2,940	2,843	2,933	+3.31%	7,031,400	-	+4.3%	-	-
09/16	2,825	2,843	2,800	2,839	+0.07%	4,148,000	-	+1.21%	-	-
09/15	2,862	2,874	2,837	2,837	-0.32%	3,673,000	-	+1.18%	-	-
09/14	2,722	2,846	2,722	2,846	+2.67%	5,951,100	-	+1.57%	-	-
09/11	2,687	2,787	2,681	2,772	+2.33%	6,678,900	-	-0.96%	-	-
09/10	2,700	2,710	2,679	2,709	-0.07%	4,506,100	-	-3.04%	-	-
09/09	2,731	2,756	2,708	2,711	-1.45%	6,093,600	-	-2.8%	-	-
09/08	2,730	2,770	2,726	2,751	+0.55%	4,917,500	-	-1.08%	-	-
09/07	2,775	2,788	2,729	2,736	-2.08%	4,495,600	-	-1.37%	-	-
09/04	2,847	2,860	2,781	2,794	-2.14%	5,495,600	-	+0.98%	-	-
09/03	2,862	2,893	2,828	2,855	-0.97%	5,390,100	-	+3.03%	-	-
09/02	2,811	2,901	2,798	2,883	+1.12%	6,628,100	-	+4%	-	-
09/01	2,847	2,894	2,846	2,851	+0.11%	4,775,000	-	+2.85%	-	-
08/31	2,875	2,917	2,845	2,848	-2.83%	8,976,600	-	+2.78%	-	-
08/28	2,888	2,958	2,887	2,931	+1.52%	6,839,500	-	+5.85%	-	-
08/27	2,855	2,905	2,852	2,887	-0.45%	3,782,700	-	+4.53%	-	-
08/26	2,896	2,939	2,891	2,900	+2.47%	5,776,100	-	+5.19%	-	-
08/25	2,850	2,860	2,803	2,830	-0.98%	4,214,100	-	+2.76%	-	-
08/24	2,850	2,885	2,828	2,858	+0.85%	3,891,100	-	+3.85%	-	-
08/21	2,825	2,851	2,795	2,834	-1.19%	4,467,900	-	+3.13%	-	-
08/20	2,829	2,901	2,805	2,868	+5.09%	9,005,400	-	+4.63%	-	-
08/19	2,750	2,759	2,696	2,729	+1.07%	5,640,900	-	-0.18%	-	-
08/18	2,676	2,719	2,665	2,700	+1.5%	4,542,400	-	-1.17%	-	-
08/17	2,712	2,722	2,660	2,660	-2.53%	5,786,400	-	-2.71%	-	-
08/14	2,753	2,778	2,728	2,729	-1.48%	6,458,700	-	-0.29%	-	-
08/13	2,813	2,826	2,752	2,770	-1.25%	4,274,300	-	+1.24%	-	-
08/12	2,715	2,805	2,714	2,805	0%	5,466,300	-	+2.6%	-	-
08/10	2,747	2,812	2,716	2,805	+1.93%	5,241,000	-	+2.67%	-	-
08/07	2,655	2,754	2,643	2,752	+3.46%	6,885,800	-	+0.95%	-	-
08/06	2,612	2,667	2,605	2,660	+2.9%	6,881,900	-	-2.28%	-	-
08/05	2,509	2,587	2,508	2,585	+3.4%	6,793,900	-	-4.89%	-	-
08/04	2,550	2,581	2,500	2,500	-2.72%	8,590,700	-	-8.05%	-	-
08/03	2,574	2,625	2,541	2,570	+0.08%	9,426,700	-	-5.65%	-	-
07/31	2,754	2,776	2,562	2,568	-11.11%	18,478,700	-	-5.69%	-	-
07/30	2,886	2,905	2,830	2,889	+0.07%	8,119,600	-	+6.14%	-	-
07/29	2,877	2,906	2,828	2,887	-0.1%	5,987,900	-	+6.61%	-	-
07/28	2,870	2,913	2,846	2,890	+2.37%	6,996,900	-	+7.32%	-	-
07/27	2,779	2,840	2,777	2,823	+0.82%	5,250,200	-	+5.38%	-	-
07/24	2,757	2,820	2,726	2,800	+1.63%	4,708,200	-	+4.95%	-	-
07/23	2,778	2,783	2,744	2,755	-0.25%	3,912,300	-	+3.42%	-	-
07/22	2,780	2,810	2,751	2,762	-1.88%	5,301,200	-	+3.91%	-	-
07/21	2,810	2,874	2,801	2,815	+0.86%	7,221,200	-	+6.31%	-	-
07/17	2,755	2,802	2,742	2,791	+1.6%	7,631,200	-	+5.84%	-	-
07/16	2,675	2,759	2,663	2,747	+2.61%	5,675,000	-	+4.61%	-	-
07/15	2,669	2,677	2,637	2,677	-0.11%	4,674,100	-	+2.33%	-	-
07/14	2,716	2,727	2,672	2,680	-0.45%	5,049,200	-	+2.76%	-	-
07/13	2,708	2,723	2,671	2,692	-1.43%	4,511,500	-	+3.42%	-	-
07/10	2,750	2,755	2,697	2,731	-0.07%	6,031,100	-	+5.16%	-	-
07/09	2,701	2,743	2,683	2,733	+0.59%	4,418,900	-	+5.64%	-	-
07/08	2,760	2,788	2,689	2,717	-0.07%	6,159,900	-	+5.6%	-	-
07/07	2,748	2,770	2,716	2,719	-1.41%	7,719,700	-	+6%	-	-
07/06	2,700	2,775	2,675	2,758	+4.08%	11,572,800	-	+7.73%	-	-
07/03	2,691	2,722	2,639	2,650	+0.34%	13,927,700	-	+3.76%	-	-
07/02	2,597	2,645	2,577	2,641	+2.4%	4,718,800	-	+3.33%	-	-
07/01	2,565	2,607	2,565	2,579	-1.15%	3,948,600	-	+0.86%	-	-
06/30	2,617	2,624	2,564	2,609	-0.19%	6,414,200	-	+1.87%	-	-
06/29	2,595	2,663	2,591	2,614	+3.08%	6,823,900	-	+1.91%	-	-
06/26	2,576	2,588	2,532	2,536	-1.21%	3,877,100	-	-1.28%	-	-
06/25	2,549	2,567	2,511	2,567	+1.58%	4,569,200	-	-0.23%	-	-
06/24	2,550	2,564	2,491	2,527	+0.28%	5,119,400	-	-1.94%	-	-
06/23	2,515	2,535	2,499	2,520	-0.59%	4,870,400	-	-2.33%	-	-
06/22	2,525	2,577	2,519	2,535	-0.28%	4,584,300	-	-1.93%	-	-
06/19	2,610	2,662	2,537	2,542	-6.06%	12,977,700	-	-1.82%	-	-
06/18	2,653	2,706	2,635	2,706	+4.24%	8,994,100	-	+4.48%	-	-
06/17	2,550	2,632	2,545	2,596	+3.02%	7,992,100	-	+0.43%	-	-
06/16	2,546	2,547	2,490	2,520	-1.02%	5,513,800	-	-2.7%	-	-
06/15	2,541	2,574	2,535	2,546	+1.8%	6,168,200	-	-2.04%	-	-
06/12	2,508	2,525	2,488	2,501	+0.24%	7,587,700	-	-3.92%	-	-
06/11	2,475	2,520	2,472	2,495	+0.28%	6,121,800	-	-4.3%	-	-
06/10	2,490	2,511	2,436	2,488	-2.77%	8,162,700	-	-4.71%	-	-
06/09	2,579	2,589	2,534	2,559	+1.19%	7,770,900	-	-2.18%	-	-
06/08	2,530	2,540	2,488	2,529	+1.57%	7,893,600	-	-3.36%	-	-
06/05	2,390	2,504	2,390	2,490	+4.1%	12,276,100	-	-5.03%	-	-
06/04	2,421	2,454	2,392	2,392	-4.97%	13,801,100	-	-8.95%	-	-
06/03	2,519	2,535	2,488	2,517	-2.56%	7,367,200	-	-4.33%	-	-
06/02	2,581	2,636	2,548	2,583	-1.37%	7,108,300	-	-2.23%	-	-
06/01	2,702	2,703	2,603	2,619	-3.04%	7,616,200	-	-1.24%	-	-
05/29	2,720	2,766	2,701	2,701	+1.43%	19,725,400	-	+1.39%	-	-
05/28	2,682	2,753	2,655	2,663	-0.71%	6,353,800	-	-0.49%	-	-
05/27	2,778	2,790	2,668	2,682	-0.89%	6,112,300	-	-0.19%	-	-
05/26	2,733	2,739	2,677	2,706	+0.19%	5,317,600	-	+0.41%	-	-
05/25	2,688	2,773	2,680	2,701	+1.92%	7,149,800	-	+0.04%	-	-
05/22	2,661	2,681	2,618	2,650	-0.56%	5,618,500	-	-1.92%	-	-
05/21	2,634	2,683	2,617	2,665	+2.26%	6,512,900	-	-1.48%	-	-
05/20	2,615	2,636	2,558	2,606	-1.14%	8,039,200	-	-3.8%	-	-
05/19	2,628	2,674	2,573	2,636	+0.57%	8,106,600	-	-2.98%	-	-
05/18	2,586	2,647	2,586	2,621	+1.83%	5,616,100	-	-3.82%	-	-
05/15	2,549	2,594	2,532	2,574	-0.31%	8,793,800	-	-5.89%	-	-
05/14	2,656	2,672	2,561	2,582	-5.28%	10,516,700	-	-6.01%	-	-
05/13	2,736	2,746	2,674	2,726	-0.44%	7,061,800	-	-1.16%	-	-
05/12	2,728	2,759	2,656	2,738	+3.36%	13,241,500	-	-0.98%	-	-
05/11	2,600	2,704	2,560	2,649	+2.04%	11,532,500	-	-4.4%	-	-

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	688 2,065 8/20	537 1,611 5/12	47,849,700 15,949,900 5/12	34.98	27.29	1.65	1.29	-	-	29.67倍 3/31
2011年 3月期	627 1,880 2/21	491 1,473 3/17	23,063,100 7,687,700 3/16	19.01	14.89	1.46	1.14	1兆3329億	1兆443億	16.23倍 3/31
2012年 3月期	547 1,642 7/8	438 1,315 11/25	17,959,500 5,986,500 12/1	112.16	89.82	1.41	1.13	1兆1641億	9323億4991万	103.07倍 3/30
2013年 3月期	632 1,896 3/22	389 1,168 10/11	20,709,600 6,903,200 3/8	21	12.93	1.48	0.91	1兆3442億	8281億2524万	20.1倍 3/29
2014年 3月期	671 2,014 5/16 2,014 5/15	508 1,525 6/13	24,907,200 8,302,400 1/24	23.26	17.61	1.45	1.1	1兆4279億	1兆812億	20.06倍 3/31
2015年 3月期	678 2,035 3/26	519 1,556 1/16	37,154,100 12,384,700 1/9	4.45	3.4	1.1	0.84	1兆4428億	1兆1032億	4.17倍 3/31
2016年 3月期	923 2,769 8/6	616 1,848 4/6	25,219,200 8,406,400 5/14	23.2	15.48	1.54	1.03	1兆9632億	1兆3102億	20.96倍 3/31
2017年 3月期	917 2,750 5/11	731 2,192 11/9	24,131,700 8,043,900 10/28	34.54	27.53	1.55	1.24	1兆9497億	1兆5541億	31.5倍 3/31
2018年 3月期	1,414 4,241 2/7	762 2,285 8/24	25,544,100 8,514,700 8/31	46.44	25.02	2.42	1.31	3兆69億	1兆6200億	38.6倍 3/30
2019年 3月期	1,700 5,100 3/29	1,092 3,277 12/26	21,413,700 7,137,900 5/31	35.37	22.72	2.64	1.7	3兆6159億	2兆3234億	35.37倍 3/29
2020年 3月期	2,740 8,219 2/6	1,647 4,941 4/18	34,140,900 11,380,300 4/1	41.26	24.8	4.08	2.45	5兆8273億	3兆5032億	37.32倍 3/31
2021年 3月期	3,948 11/27	2,211 6,634 4/3	16,867,800 5,622,600 5/29	100.79	56.45	5.95	3.33	8兆3975億	4兆7035億	82.33倍 3/31
2022年 3月期	3,263 4/1	1,981 8/6	21,503,300 5/28	93.39	56.7	4.63	2.81	6兆9405億	3兆8570億	76.7倍 3/31
2023年 3月期	4,869 11/1	2,622 4/1	16,350,600 5/31	85.48	46.03	6.46	3.48	9兆4801億	5兆1051億	84.66倍 3/31
2024年 3月期	5,173 2/27	3,566 10/19	25,013,900 7/4	49.41	34.06	5.88	4.05	10兆720億	6兆9431億	45.63倍 3/29
2025年 3月期	6,257 8/30	3,366 2/28	20,311,500 10/30	40.12	21.58	7.19	3.87	12兆1825億	6兆4234億	22.51倍 3/31
2026年 3月期	4,178 10/9	2,684 1/30	26,292,800 1/30	27.64	17.75	4.51	2.9	7兆9145億	5兆844億	18.3倍 3/31
最新	2,709 2026/10/2		5,139,800	-		-		5兆465億		-

第一三共（4568）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