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
10/02	37,700	39,580	37,310	38,630	+2.71%	16,856,700	-	+15.42%
10/01	34,950	37,610	34,940	37,610	+9.78%	15,106,800	-	+12.93%
09/30	17:15 事後交付型譲渡制限付株式ユニット制度に基づく自己株式の処分に関するお知らせ
09/30	34,780	34,920	33,880	34,260	+1.03%	23,723,400	-	+3.26%
09/29	33,820	34,230	33,050	33,910	+0.53%	9,105,200	-	+2%
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	15:30 事後交付型譲渡制限付株式ユニット制度に基づく自己株式の処分の払込完了に関するお知らせ
08/28	15:30 譲渡制限付株式報酬としての自己株式の処分の払込完了に関するお知らせ
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	15:30 自己株式の取得状況及び取得終了に関するお知らせ
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	15:30 自己株式の取得状況に関するお知らせ
08/03	31,800	32,780	31,100	31,430	-3.29%	9,793,800	-	+6.67%
07/31	17:15 事後交付型譲渡制限付株式ユニット制度に基づく自己株式の処分に関するお知らせ
07/31	17:15 譲渡制限付株式報酬としての自己株式の処分に関するお知らせ
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	15:30 2026年度第1四半期決算説明会資料
07/29	15:30 2027年3月期第1四半期決算短信〔IFRS〕(連結)
07/29	15:30 通期連結業績予想の修正に関するお知らせ
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	15:30 自己株式の取得状況に関するお知らせ
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	16:30 投資単位の引下げに関する考え方および方針等について
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	17:00 自己株式の取得状況に関するお知らせ
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	15:30 事後交付型譲渡制限付株式ユニット制度に基づく自己株式の処分の払込完了に関するお知らせ
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%
05/07	15:30 自己株式の取得状況に関するお知らせ
05/07	15:30 パフォーマンス・シェア・ユニット制度に基づく自己株式の処分の払込完了に関するお知らせ

アドバンテスト（6857）のIR情報・決算資料

2026/05/11～2026/10/02

IR情報＆株価推移

開示資料

決算

株式

チャート