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
09/28	34,700	35,420	33,730	33,730	-0.79%	10,020,800	-	+1.29%	-	-
09/25	33,130	34,000	33,020	34,000	+2.84%	7,899,800	-	+1.94%	-	-
09/24	32,750	33,550	31,890	33,060	+3.15%	8,789,600	-	-1.1%	-	-
09/18	31,000	32,630	30,810	32,050	+5.99%	10,817,700	-	-4.66%	-	-
09/17	31,240	31,320	30,000	30,240	-1.5%	7,233,400	-	-10.56%	-	-
09/16	30,320	30,720	29,835	30,700	+1.79%	6,536,400	-	-9.81%	-	-
09/15	30,380	31,350	29,810	30,160	-2.96%	8,444,200	-	-11.79%	-	-
09/14	30,330	31,360	30,010	31,080	-2.02%	8,111,300	-	-9.54%	-	-
09/11	31,820	32,220	30,980	31,720	-6.49%	11,096,600	-	-7.79%	-	-
09/10	32,710	33,920	32,470	33,920	+3.29%	9,970,300	-	-1.53%	-	-
09/09	33,620	34,210	32,590	32,840	-2.84%	10,285,000	-	-4.65%	-	-
09/08	34,030	35,690	33,800	33,800	-1.97%	9,667,100	-	-1.65%	-	-
09/07	34,000	34,850	33,520	34,480	+4.2%	9,531,900	-	+0.61%	-	-
09/04	32,370	33,100	32,090	33,090	+2.51%	7,464,900	-	-3.23%	-	-
09/03	32,430	32,810	31,740	32,280	-0.8%	8,443,800	-	-5.02%	-	-
09/02	32,380	32,790	31,840	32,540	-2.52%	7,576,400	-	-3.45%	-	-
09/01	32,700	33,690	32,520	33,380	-0.92%	6,404,800	-	-0.13%	-	-
08/31	32,900	33,880	32,280	33,690	-4.48%	9,357,100	-	+1.41%	-	-
08/28	34,590	35,600	34,230	35,270	+1.91%	9,648,300	-	+6.78%	-	-
08/27	36,020	36,120	34,330	34,610	-3.05%	11,025,000	-	+5.34%	-	-
08/26	33,650	35,910	33,400	35,700	+3.63%	8,819,000	-	+9.33%	-	-
08/25	33,900	34,640	32,610	34,450	-0.14%	8,901,700	-	+6.29%	-	-
08/24	35,670	35,890	34,500	34,500	-3.9%	5,653,500	-	+7.37%	-	-
08/21	34,660	35,970	34,660	35,900	+1.53%	6,532,300	-	+12.41%	-	-
08/20	35,720	36,020	34,340	35,360	+0.97%	7,270,800	-	+11.33%	-	-
08/19	34,200	36,300	33,930	35,020	-2.34%	10,901,100	-	+11.04%	-	-
08/18	37,560	37,590	35,800	35,860	-5.08%	6,670,300	-	+14.6%	-	-
08/17	36,900	38,590	36,900	37,780	+2.47%	6,600,200	-	+21.68%	-	-
08/14	38,350	38,730	36,370	36,870	+2.59%	9,994,100	-	+20.08%	-	-
08/13	36,300	37,040	35,650	35,940	+4.02%	8,063,200	-	+18.49%	-	-
08/12	34,080	35,130	33,500	34,550	+0.85%	7,284,500	-	+14.98%	-	-
08/10	32,890	34,260	32,710	34,260	+6.43%	7,132,900	-	+14.77%	-	-
08/07	32,910	33,150	31,110	32,190	-2.25%	7,228,200	-	+8.55%	-	-
08/06	32,500	33,200	31,910	32,930	-2.34%	7,818,100	-	+11.56%	-	-
08/05	32,500	33,840	32,390	33,720	+8.77%	9,461,000	-	+14.37%	-	-
08/04	31,820	32,420	30,080	31,000	-1.37%	10,006,300	-	+5.35%	-	-
08/03	31,800	32,780	31,100	31,430	-3.29%	9,793,800	-	+6.67%	-	-
07/31	32,540	32,940	31,570	32,500	+16.34%	18,131,300	-	+10.15%	-	-
07/30	28,480	29,425	27,380	27,935	+10.85%	16,409,100	-	-5.76%	-	-
07/29	26,000	27,520	24,135	25,200	-1.22%	14,777,000	-	-15.36%	-	-
07/28	26,480	26,485	25,250	25,510	-10.11%	10,348,000	-	-15.03%	-	-
07/27	29,400	29,590	27,800	28,380	-1.95%	7,722,800	-	-6.3%	-	-
07/24	30,100	30,270	28,445	28,945	-6.02%	8,849,300	-	-4.86%	-	-
07/23	30,630	31,540	30,320	30,800	+4.11%	7,493,200	-	+1.06%	-	-
07/22	30,880	31,580	29,535	29,585	-0.15%	9,245,200	-	-2.83%	-	-
07/21	28,005	29,825	27,530	29,630	+7.73%	10,348,200	-	-2.78%	-	-
07/17	28,140	28,150	26,000	27,505	-7.2%	13,442,000	-	-9.72%	-	-
07/16	30,670	30,770	29,050	29,640	-5.93%	8,916,700	-	-2.7%	-	-
07/15	30,180	31,550	29,730	31,510	+5.83%	7,789,700	-	+4.06%	-	-
07/14	28,320	29,780	28,230	29,775	+3.31%	8,956,100	-	-0.85%	-	-
07/13	29,500	30,020	28,415	28,820	-3.39%	6,766,700	-	-3.59%	-	-
07/10	30,160	30,580	29,640	29,830	+2.3%	7,330,900	-	+0.27%	-	-
07/09	28,900	29,820	28,785	29,160	+5.86%	8,863,600	-	-1.58%	-	-
07/08	28,010	29,375	27,545	27,545	-4.69%	10,152,200	-	-6.9%	-	-
07/07	29,200	30,120	28,625	28,900	-2.25%	7,803,900	-	-2.34%	-	-
07/06	29,845	30,230	28,735	29,565	+0.75%	6,649,300	-	+0.26%	-	-
07/03	28,110	29,385	27,665	29,345	+1.84%	7,931,300	-	+0.04%	-	-
07/02	30,400	30,650	28,815	28,815	-9.95%	9,115,500	-	-1.34%	-	-
07/01	33,930	34,200	32,000	32,000	-1.05%	6,204,600	-	+9.94%	-	-
06/30	32,700	33,010	31,510	32,340	+1.22%	7,822,200	-	+11.85%	-	-
06/29	32,920	32,930	30,450	31,950	-1.51%	7,261,600	-	+11.47%	-	-
06/26	34,500	35,350	31,720	32,440	-9.64%	11,040,100	-	+13.85%	-	-
06/25	33,100	35,940	32,820	35,900	+15.06%	12,921,900	-	+26.99%	-	-
06/24	31,100	31,780	30,420	31,200	-0.73%	7,695,200	-	+11.81%	-	-
06/23	32,430	33,260	31,430	31,430	-2.3%	10,134,300	-	+13.54%	-	-
06/22	31,460	32,600	31,120	32,170	+1.35%	5,949,900	-	+17.25%	-	-
06/19	31,210	32,000	31,070	31,740	+4.75%	9,887,400	-	+16.71%	-	-
06/18	29,855	30,670	29,720	30,300	+0.8%	7,501,800	-	+12.31%	-	-
06/17	29,640	31,170	29,585	30,060	-0.92%	7,837,500	-	+11.7%	-	-
06/16	29,600	31,280	29,510	30,340	+3.13%	12,037,500	-	+13.03%	-	-
06/15	28,800	29,620	28,450	29,420	+7.67%	9,988,500	-	+9.87%	-	-
06/12	27,205	27,800	26,940	27,325	+8.54%	10,241,000	-	+2.15%	-	-
06/11	24,450	25,475	24,150	25,175	-0.24%	7,237,400	-	-6.25%	-	-
06/10	25,490	26,035	24,910	25,235	-4.16%	8,322,300	-	-6.66%	-	-
06/09	25,735	26,595	25,325	26,330	+4.34%	8,788,900	-	-2.98%	-	-
06/08	25,100	25,780	24,860	25,235	-5.72%	10,067,400	-	-7.28%	-	-
06/05	27,560	27,590	26,415	26,765	-4.99%	7,157,600	-	-2.3%	-	-
06/04	27,380	28,435	27,160	28,170	+1.84%	7,606,900	-	+2.12%	-	-
06/03	27,320	27,970	26,620	27,660	+5.09%	8,806,800	-	+0.09%	-	-
06/02	25,810	26,350	25,275	26,320	+2.51%	8,218,300	-	-4.79%	-	-
06/01	25,800	26,170	25,410	25,675	-1.89%	7,366,500	-	-7.34%	-	-
05/29	26,380	26,605	25,670	26,170	-0.65%	9,408,700	-	-5.76%	-	-
05/28	26,760	27,195	25,915	26,340	-2.91%	7,244,100	-	-5.28%	-	-
05/27	27,200	27,780	27,015	27,130	+4.05%	9,423,800	-	-2.65%	-	-
05/26	28,085	28,090	25,925	26,075	-6.05%	9,168,700	-	-6.63%	-	-
05/25	27,245	28,515	27,150	27,755	+3.39%	7,936,500	-	-0.83%	-	-
05/22	26,975	27,120	26,460	26,845	+0.37%	7,253,600	-	-3.98%	-	-
05/21	26,625	27,020	25,995	26,745	+4.37%	9,851,300	-	-4.07%	-	-
05/20	25,790	26,145	25,020	25,625	+1.32%	8,881,700	-	-7.85%	-	-
05/19	26,150	26,420	24,860	25,290	-3.29%	9,174,200	-	-8.95%	-	-
05/18	26,485	26,580	25,475	26,150	-0.8%	8,750,700	-	-5.84%	-	-
05/15	29,015	29,020	26,140	26,360	-7.88%	9,938,400	-	-4.54%	-	-
05/14	28,510	29,940	28,360	28,615	+1.15%	9,547,900	-	+4.29%	-	-
05/13	28,080	28,340	27,665	28,290	-1.45%	5,799,400	-	+4.18%	-	-
05/12	29,280	29,405	28,335	28,705	-0.26%	7,971,200	-	+6.83%	-	-
05/11	30,410	30,580	28,780	28,780	-3.7%	8,727,700	-	+8.11%	-	-
05/08	29,800	30,070	29,310	29,885	+0.57%	8,963,400	-	+13.7%	-	-
05/07	30,100	30,260	29,715	29,715	+6.83%	11,005,100	-	+14.62%	-	-
05/01	28,990	29,160	27,800	27,815	-1.57%	7,144,100	-	+8.57%	-	-
04/30	28,880	29,700	28,190	28,260	-5.01%	13,127,400	-	+11.15%	-	-

年初来

年度	株価		出来高	時価総額		25日乖離
年度	高値	安値	大商い	高値	安値	プラス	マイナス
2008年 3月期	1,443 5,770 4/9	518 2,070 1/24	49,465,600 12,366,400 1/24	-	-	+18.74% 2/28	-23.53% 1/24
2009年 3月期	775 3,100 4/21	249 996 10/28	43,556,400 10,889,100 6/13	-	-	+26.22% 1/7	-41.92% 10/27
2010年 3月期	654 2,615 1/19	356 1,423 4/1	32,487,600 8,121,900 3/12	-	-	+23.47% 8/14	-14.83% 11/4
2011年 3月期	629 2,516 4/27	295 1,179 3/15	33,629,200 8,407,300 1/28	5021億1057万	2352億8949万	+11.94% 12/7	-21.05% 3/17
2012年 3月期	416 1,663 5/2	168 671 1/16	51,530,000 12,882,500 1/30	3318億7992万	1339億945万	+25.58% 2/16	-23.82% 8/22
2013年 3月期	381 1,525 3/15	210 838 10/11	43,029,600 10,757,400 7/27	3043億3967万	1672億3714万	+20.65% 1/4	-21.1% 10/10
2014年 3月期	472 1,887 5/23	247 988 3/19	42,405,200 10,601,300 1/29	3765億8292万	1971億7196万	+20.79% 5/21	-18.4% 7/31
2015年 3月期	420 1,678 3/25	266 1,065 5/14 1,063 5/12	27,451,600 6,862,900 6/13	3348億7304万	2125億3861万	+13.07% 9/19	-10.73% 10/17
2016年 3月期	392 1,567 4/23	210 841 10/2	50,399,600 12,599,900 8/31	3127億2112万	1678億3565万	+15.01% 2/1	-14.29% 7/29
2017年 3月期	554 2,214 1/27	231 924 4/6 922 4/5	35,332,000 8,833,000 7/28	4418億4082万	1843億9969万	+21.61% 12/28	-9.31% 7/6
2018年 3月期	675 2,698 11/6	447 1,789 8/30 1,787 8/29	43,943,200 10,985,800 1/31	5384億3114万	3570億2495万	+20.12% 5/7	-12.02% 12/6
2019年 3月期	719 2,875 3/4	447 1,788 10/30	80,016,800 20,004,200 10/31	5737億5446万	3568億2538万	+19.18% 4/17	-18.57% 10/29
2020年 3月期	1,660 6,640 1/23	618 2,471 6/17	73,579,600 18,394,900 5/28	1兆3251億	4931億2948万	+35.05% 7/25	-29.64% 3/19
2021年 3月期	2,470 9,880 2/22	946 3,785 4/3	35,914,400 8,978,600 10/30	1兆9717億	7553億6022万	+21.63% 11/16	-19.17% 8/7
2022年 3月期	2,888 11,550 9/16	1,943 7,770 3/8	18,682,400 4,670,600 1/28	2兆3049億	1兆5504億	+16.69% 9/15	-16.24% 1/27
2023年 3月期	3,115 12,460 3/24	1,650 6,600 10/3	23,551,200 5,887,800 7/29	2兆3866億	1兆2641億	+19.72% 11/16	-15.39% 6/20
2024年 3月期	7,456 2/16	2,555 10,220 4/27	42,594,800 10,648,700 5/25	5兆7123億	1兆9575億	+38.66% 5/30	-15.97% 4/30
2025年 3月期	10,430 1/10	4,952 4/30	54,055,500 1/30	7兆9908億	3兆7939億	+21.38% 11/7	-32.16% 4/7
2026年 3月期	29,345 2/26	4,703 4/7	55,824,400 6/16	22兆4824億	3兆6031億	+32.2% 10/31	-16.55% 3/31
最新	33,730 2026/9/28		10,020,800	24兆6903億		+1.29% 33,302

年間値上がり率

1984/12/28 vs 1983/12/28: 37%（1.37倍）
1985/12/28 vs 1984/12/28: -2%（0.98倍）
1986/12/27 vs 1985/12/28: -27%（0.73倍）
1987/12/28 vs 1986/12/27: 50%（1.5倍）
1988/12/28 vs 1987/12/28: -31%（0.69倍）
1989/12/29 vs 1988/12/28: 13%（1.13倍）
1990/12/28 vs 1989/12/29: -28%（0.72倍）
1991/12/30 vs 1990/12/28: 1%（1.01倍）
1992/12/30 vs 1991/12/30: -28%（0.72倍）
1993/12/30 vs 1992/12/30: 25%（1.25倍）
1994/12/30 vs 1993/12/30: 19%（1.19倍）
1995/12/29 vs 1994/12/30: 57%（1.57倍）
1996/12/30 vs 1995/12/29: 13%（1.13倍）
1997/12/30 vs 1996/12/30: 50%（1.5倍）
1998/12/30 vs 1997/12/30: 6%（1.06倍）
1999/12/30 vs 1998/12/30: 277%（3.77倍）
2000/12/29 vs 1999/12/30: -60%（0.4倍）
2001/12/28 vs 2000/12/29: -31%（0.69倍）
2002/12/30 vs 2001/12/28: -28%（0.72倍）
2003/12/30 vs 2002/12/30: 60%（1.6倍）
2004/12/30 vs 2003/12/30: 3%（1.03倍）
2005/12/30 vs 2004/12/30: 35%（1.35倍）
2006/12/29 vs 2005/12/30: 15%（1.15倍）
2007/12/28 vs 2006/12/29: -53%（0.47倍）
2008/12/30 vs 2007/12/28: -55%（0.45倍）
2009/12/30 vs 2008/12/30: 68%（1.68倍）
2010/12/30 vs 2009/12/30: -24%（0.76倍）
2011/12/30 vs 2010/12/30: -60%（0.4倍）
2012/12/28 vs 2011/12/30: 84%（1.84倍）
2013/12/30 vs 2012/12/28: -3%（0.97倍）
2014/12/30 vs 2013/12/30: 16%（1.16倍）
2015/12/30 vs 2014/12/30: -33%（0.67倍）
2016/12/30 vs 2015/12/30: 94%（1.94倍）
2017/12/29 vs 2016/12/30: 6%（1.06倍）
2018/12/28 vs 2017/12/29: 7%（1.07倍）
2019/12/30 vs 2018/12/28: 175%（2.75倍）
2020/12/30 vs 2019/12/30: 25%（1.25倍）
2021/12/30 vs 2020/12/30: 41%（1.41倍）
2022/12/30 vs 2021/12/30: -22%（0.78倍）
2023/12/29 vs 2022/12/30: 126%（2.26倍）
2024/12/30 vs 2023/12/29: 92%（1.92倍）
2025/12/30 vs 2024/12/30: 113%（2.13倍）
2026/09/28 vs 2025/12/30: 72%（1.72倍）
過去安値 794円（1983/02/18）: 4149%（42.49倍）
33,730円（9/28）

アドバンテスト（6857）の株価チャート

株価

9/28

乖離率

2026/04/30～2026/09/28

株価推移

年初来

年間値上がり率

開示資料

決算

株式

チャート