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
03/06	27,965	28,795	26,775	28,150	-1.11%	6,838,300	1兆9892億	+28.8%
03/05	15:30 執行役員、取締役の異動ならびに新委嘱業務等のお知らせ
03/05	29,175	30,040	27,580	28,465	+2.85%	8,860,500	2兆115億	+33.6%
03/04	28,230	29,800	27,050	27,675	-5.32%	8,521,400	1兆9557億	+33.81%
03/03	30,930	32,120	28,920	29,230	-1.98%	8,705,000	2兆655億	+45.57%
03/02	27,100	30,740	27,030	29,820	+6.12%	8,554,600	2兆1072億	+53.73%
02/27	26,505	28,100	25,570	28,100	+0.34%	7,650,300	1兆9857億	+50.44%
02/26	28,365	29,025	26,750	28,005	-0.43%	7,360,100	1兆9790億	+55.26%
02/25	27,175	28,310	26,840	28,125	+4.52%	7,137,000	1兆9875億	+61.97%
02/24	24,835	27,410	24,585	26,910	+15.32%	8,283,900	1兆9016億	+61.45%
02/20	22,565	23,640	22,255	23,335	+2.08%	4,631,200	1兆6490億	+45.78%
02/19	21,990	22,985	21,700	22,860	+4.34%	4,232,700	1兆6154億	+47.8%
02/18	21,135	21,990	20,895	21,910	+3.72%	3,136,100	1兆5483億	+46.55%
02/17	20,915	21,235	20,470	21,125	-0.21%	2,657,000	1兆4928億	+45.96%
02/16	21,795	21,870	20,925	21,170	-1.51%	2,858,700	1兆4960億	+50.9%
02/13	21,645	22,080	21,250	21,495	-2.94%	5,153,600	1兆5189億	+58.3%
02/12	21,390	23,285	21,110	22,145	+3%	12,455,000	1兆5649億	+68.74%
02/10	19,900	21,500	19,645	21,500	+22.86%	11,126,000	1兆5193億	+69.84%
02/09	14:00 2026年3月期第3四半期決算短信〔日本基準〕(連結)
02/09	14:00 2026年3月期通期業績予想及び配当予想の修正(増配)に関するお知らせ
02/09	14:00 退職給付制度の改定に伴う特別利益の計上に関するお知らせ
02/09	15,120	17,500	14,690	17,500	+20.69%	6,832,200	1兆2366億	+43.2%
02/06	14,075	14,845	14,050	14,500	+0.87%	4,162,300	1兆246億	+21.63%
02/05	14,950	15,135	14,245	14,375	-5.98%	4,625,600	1兆158億	+22.41%
02/04	14,325	15,685	14,285	15,290	+7.34%	6,582,700	1兆804億	+32.23%
02/03	13,695	14,605	13,600	14,245	+8.78%	4,453,200	1兆66億	+25.43%
02/02	13,230	14,100	13,040	13,095	-3.22%	3,680,400	9253億8327万	+16.98%
01/30	13,740	14,345	13,345	13,530	-2.13%	4,555,600	9561億2338万	+22.27%
01/29	14,410	14,700	13,710	13,825	-4.06%	4,210,100	9769億7012万	+26.66%
01/28	14,100	14,525	13,890	14,410	+11.71%	6,424,500	1兆183億	+34.26%
01/27	12,875	13,070	12,490	12,900	+2.58%	4,727,600	9116億322万	+22.64%
01/26	12,210	13,055	12,115	12,575	+3.03%	7,354,500	8886億3648万	+21.25%
01/23	12,025	12,520	11,900	12,205	+3.34%	4,352,500	8624億8972万	+19.31%
01/22	12,195	12,200	11,690	11,810	-2.19%	3,555,000	8345億7628万	+16.71%
01/21	10,765	12,200	10,765	12,075	+7.81%	5,844,700	8533億302万	+20.27%
01/20	10,745	11,525	10,595	11,200	+4.48%	6,442,400	7914億6947万	+12.68%
01/19	10,120	10,740	10,110	10,720	+3.28%	3,199,300	7575億4935万	+8.39%
01/16	9,858	10,425	9,783	10,380	+5.65%	3,949,300	7335億2259万	+5.23%
01/15	9,864	9,940	9,703	9,825	-1.4%	3,195,300	6943億245万	-0.3%
01/14	9,990	10,075	9,866	9,965	+0.01%	2,189,500	7041億9582万	+1.16%
01/13	10,275	10,275	9,894	9,964	-0.51%	3,439,400	7041億2516万	+1.21%
01/09	9,912	10,020	9,648	10,015	+0.91%	3,670,400	7077億2917万	+1.68%
01/08	10,120	10,170	9,925	9,925	-1.93%	2,061,100	7013億6915万	+0.89%
01/07	10,230	10,420	10,075	10,120	-3.89%	2,767,500	7151億4920万	+3.01%
01/06	10,635	10,745	10,400	10,530	-0.09%	1,781,400	7441億2263万	+7.27%
01/05	10,460	10,600	10,205	10,540	+5.29%	2,776,400	7448億2930万	+7.84%
2025
12/30	9,901	10,210	9,809	10,010	-0.3%	1,916,000	7073億7583万	+2.97%
12/29	9,827	10,130	9,827	10,040	+1.58%	2,085,100	7094億9584万	+3.71%
12/26	10,155	10,175	9,865	9,884	-2.52%	1,799,800	6984億7180万	+2.59%
12/25	10,105	10,230	9,956	10,140	-0.2%	1,441,000	7165億6253万	+5.24%
12/24	15:30 (開示事項の経過)子会社株式の譲渡のお知らせ
12/24	9,889	10,165	9,801	10,160	+2.65%	2,741,300	7179億7587万	+5.67%
12/23	9,747	9,898	9,677	9,898	+1.31%	2,601,800	6994億6114万	+3.29%
12/22	9,570	9,770	9,517	9,770	+5.46%	3,490,300	6904億1577万	+1.77%
12/19	9,250	9,283	9,072	9,264	+2.25%	3,493,200	6546億5831万	-3.52%
12/18	8,903	9,177	8,841	9,060	-1.55%	3,230,500	6402億4226万	-6.27%
12/17	9,143	9,290	8,927	9,203	+1.69%	3,645,900	6503億4763万	-5.03%
12/16	9,286	9,325	8,978	9,050	-4.09%	3,868,500	6395億3559万	-6.74%
12/15	9,500	9,678	9,362	9,436	-3.86%	3,281,500	6668億1302万	-2.92%
12/12	9,700	9,895	9,635	9,815	+2.42%	4,102,100	6935億9579万	+0.62%
12/11	15:30 特定子会社の異動(持分譲渡)に関するお知らせ
12/11	9,930	10,025	9,570	9,583	-3.76%	4,034,900	6772億106万	-2.13%
12/10	10,085	10,140	9,803	9,957	-1.07%	3,097,000	7036億3049万	+1.33%
12/09	10,230	10,285	9,950	10,065	-0.79%	2,308,200	7112億6251万	+2%
12/08	9,813	10,160	9,705	10,145	+4.3%	5,220,000	7169億1587万	+2.42%
12/05	9,750	9,845	9,611	9,727	-0.88%	3,845,600	6873億7710万	-1.93%
12/04	9,961	10,025	9,753	9,813	-2.75%	4,704,000	6934億5445万	-1.36%
12/03	9,840	10,140	9,690	10,090	+4.13%	5,424,800	7130億2919万	+1.16%
12/03	8:30 投資有価証券売却益(特別利益)の計上に関するお知らせ
12/02	15:40 投資有価証券の売却及び特別利益の計上見込みに関するお知らせ
12/02	9,750	9,862	9,623	9,690	+0.94%	4,386,900	6847億6242万	-2.75%
12/01	9,928	10,050	9,467	9,600	-3.3%	7,976,400	6784億240万	-3.62%
11/28	9,627	9,939	9,582	9,928	+4.73%	5,585,400	7015億8115万	-0.2%
11/27	9,250	9,527	9,176	9,480	+2.88%	4,821,400	6699億2237万	-4.47%
11/26	8,954	9,298	8,888	9,215	+2.16%	5,892,200	6511億9564万	-7.04%
11/25	9,165	9,292	8,984	9,020	+1.75%	5,965,600	6374億1559万	-9.09%
11/21	9,250	9,334	8,791	8,865	-10.41%	9,260,900	6264億6221万	-10.68%
11/20	10,055	10,440	9,700	9,895	+2.5%	8,969,700	6992億4914万	-0.57%
11/19	9,500	9,888	9,101	9,654	+3.25%	11,478,800	6822億1841万	-2.69%
11/18	10,100	10,145	9,323	9,350	-9.49%	9,277,400	6607億3567万	-5.44%
11/17	9,725	10,375	9,680	10,330	+5.16%	6,531,200	7299億8925万	+4.4%
11/14	9,900	10,210	9,770	9,823	-9.47%	11,946,000	6941億6112万	-0.55%
11/13	9,726	11,080	9,688	10,850	+12.23%	14,857,100	7667億3604万	+9.91%
11/12	9,136	9,770	8,929	9,668	+1.27%	9,498,600	6832億775万	-1.45%
11/11	9,797	10,335	9,472	9,547	+0.96%	15,276,900	6746億5705万	-2.49%
11/10	14:00 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(連結)
11/10	10,495	10,830	9,370	9,456	-8.19%	18,451,300	6682億2636万	-3.16%
11/07	10,325	10,460	10,055	10,300	-4.28%	4,737,100	7278億6924万	+5.76%
11/06	10,770	10,870	10,365	10,760	+3.31%	3,042,800	7603億7602万	+11.15%
11/05	10,480	10,545	9,646	10,415	-5.4%	6,772,800	7359億9594万	+8.32%
11/04	11,500	11,695	10,945	11,010	+0.09%	6,054,000	7780億4275万	+15.02%
10/31	10,570	11,000	10,390	11,000	+5.06%	5,688,300	7773億3608万	+15.95%
10/30	10,355	10,770	10,270	10,470	-0.05%	4,985,400	7398億8262万	+11.21%
10/29	10,630	10,795	10,400	10,475	+0.14%	5,830,200	7402億3595万	+11.84%
10/28	9,891	10,665	9,820	10,460	+6.34%	10,688,400	7391億7595万	+12.4%
10/27	9,810	9,859	9,589	9,836	+2.18%	6,008,200	6950億7979万	+6.38%
10/24	9,401	9,677	9,365	9,626	+3.75%	7,695,400	6802億3974万	+4.57%
10/23	9,095	9,309	8,999	9,278	-0.38%	5,839,900	6556億4765万	+1.2%
10/22	9,154	9,360	8,906	9,313	+1.07%	6,869,000	6581億2099万	+1.67%
10/21	9,505	9,583	9,131	9,214	-2.33%	7,888,400	6511億2497万	+0.69%
10/20	9,278	9,434	9,196	9,434	+3.76%	5,152,400	6666億7169万	+3.07%
10/17	9,259	9,480	9,080	9,092	-4.66%	7,251,000	6425億360万	-0.58%
10/16	9,273	9,584	9,216	9,536	+4.53%	6,729,200	6738億7972万	+4.42%
10/15	8,915	9,180	8,788	9,123	+3.33%	6,396,100	6446億9428万	+0.19%
10/14	9,451	9,627	8,829	8,829	-7.47%	9,611,700	6239億1821万	-2.9%
10/10	9,860	9,925	9,537	9,542	-3.19%	6,952,700	6743億372万	+5.09%
10/09	9,898	9,995	9,770	9,856	+1.6%	9,388,900	6964億9313万	+9.12%
10/08	14:00 HVDCケーブルの生産に係る設備投資(固定資産の取得)に関するお知らせ
10/08	9,168	9,840	8,932	9,701	+4.11%	12,341,800	6855億3976万	+8.03%
10/07	9,199	9,704	9,131	9,318	+1.35%	11,909,900	6584億7433万	+4.15%

5801 古河電気工業

IR情報

2025/10/07～2026/03/06

IR情報＆株価推移

開示資料

決算

株式

チャート