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	612	618	602	602	-2.59%	138,200	-	+0.5%
10/01	612	619	608	618	0%	154,000	-	+3.17%
09/30	616	621	612	618	+0.82%	106,300	-	+3.34%
09/29	610	616	608	613	-0.65%	150,600	-	+2.51%
09/29	（空売り報告）Barclays Capital Securities Ltd 236,200株（0.5%）再IN
09/28	627	631	609	617	-1.91%	370,500	-	+3.18%
09/25	621	629	615	629	+2.28%	179,600	-	+5.36%
09/24	615	624	614	615	-0.65%	210,600	-	+2.84%
09/18	610	619	599	619	+2.15%	246,000	-	+3.34%
09/17	594	609	594	606	+1.68%	227,000	-	+1%
09/16	579	596	576	596	+2.94%	234,500	-	-1%
09/15	561	579	559	579	+3.21%	126,400	-	-3.98%
09/14	560	565	554	561	0%	154,900	-	-7.27%
09/11	556	568	548	561	-2.43%	338,600	-	-7.58%
09/10	572	577	563	575	-0.17%	122,800	-	-5.58%
09/09	560	580	560	576	+3.04%	214,700	-	-5.42%
09/08	592	592	559	559	-5.73%	380,400	-	-8.36%
09/07	608	610	590	593	-1.17%	173,200	-	-2.63%
09/04	612	614	598	600	-2.28%	198,200	-	-1.15%
09/03	603	619	597	614	+2.85%	277,600	-	+1.66%
09/02	620	624	594	597	-6.13%	315,900	-	-0.33%
09/01	613	637	610	636	+2.91%	401,700	-	+6.89%
08/31	578	619	567	618	+5.46%	422,300	-	+4.57%
08/28	592	601	584	586	-1.51%	212,900	-	0%
08/27	607	613	589	595	-0.34%	188,400	-	+1.88%
08/26	595	603	586	597	+0.34%	235,300	-	+2.75%
08/25	595	599	587	595	-0.5%	254,300	-	+2.94%
08/24	607	607	593	598	-1.48%	300,000	-	+4.18%
08/21	606	609	599	607	-1.14%	159,400	-	+6.3%
08/20	612	615	601	614	+2.33%	300,400	-	+8.1%
08/19	641	641	599	600	-6.4%	336,700	-	+6.38%
08/18	652	655	631	641	-1.69%	306,200	-	+14.46%
08/17	655	668	641	652	-0.15%	389,800	-	+17.48%
08/14	643	659	635	653	+1.56%	299,500	-	+18.73%
08/13	623	643	612	643	+4.05%	497,600	-	+18.2%
08/12	635	636	612	618	-2.52%	332,700	-	+14.44%
08/10	620	643	618	634	+3.26%	446,900	-	+18.06%
08/07	615	620	597	614	+0.82%	369,000	-	+15.2%
08/06	584	619	583	609	+3.57%	474,700	-	+14.91%
08/05	591	609	580	588	0%	607,200	-	+11.79%
08/05	（空売り報告）Nomura International plc 170,214株（0.36%）-0.16%義務消失
08/04	543	595	540	588	+7.69%	840,400	-	+12.21%
08/04	（空売り報告）Nomura International plc 245,790株（0.52%）-0.1%
08/03	522	546	500	546	+3.02%	949,900	-	+4.6%
07/31	（IR情報）15:30 2027年3月期第1四半期決算短信〔日本基準〕(連結)
07/31	525	546	519	530	+2.91%	339,000	-	+1.53%
07/30	493	519	490	515	+3.62%	367,700	-	-1.53%
07/29	515	517	486	497	-2.36%	515,200	-	-5.33%
07/29	（空売り報告）Barclays Capital Securities Ltd 233,000株（0.49%）-0.02%義務消失
07/28	510	517	506	509	-1.74%	416,200	-	-3.42%
07/28	（空売り報告）Nomura International plc 293,929株（0.62%）再IN
07/27	518	525	512	518	+1.97%	222,500	-	-2.26%
07/27	（空売り報告）Nomura International plc 223,318株（0.47%）-0.05%義務消失
07/24	520	520	506	508	-3.61%	174,000	-	-4.33%
07/24	（空売り報告）Nomura International plc 247,661株（0.52%）再IN
07/24	（空売り報告）Barclays Capital Securities Ltd 240,800株（0.51%）再IN
07/23	529	531	522	527	+0.96%	123,600	-	-1.13%
07/22	（IR情報）16:25 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
07/22	523	531	521	522	0%	182,600	-	-2.25%
07/22	（空売り報告）Barclays Capital Securities Ltd 224,000株（0.47%）-0.04%義務消失
07/21	519	524	509	522	+2.55%	238,400	-	-2.61%
07/17	509	514	495	509	-0.39%	420,800	-	-5.39%
07/16	522	528	511	511	-3.58%	129,100	-	-5.37%
07/16	（空売り報告）Barclays Capital Securities Ltd 240,400株（0.51%）新規
07/15	520	534	519	530	+3.52%	152,800	-	-2.03%
07/15	（空売り報告）Nomura International plc 209,768株（0.44%）-0.1%義務消失
07/14	508	515	504	512	+0.99%	259,700	-	-5.36%
07/13	524	529	506	507	-2.69%	206,600	-	-6.63%
07/13	（空売り報告）Nomura International plc 258,349株（0.54%）再IN
07/10	525	527	520	521	+0.77%	166,200	-	-4.23%
07/10	（空売り報告）Nomura International plc 230,146株（0.48%）-0.02%義務消失
07/09	513	522	510	517	+0.39%	269,800	-	-5.14%
07/09	（空売り報告）Nomura International plc 238,720株（0.5%）新規
07/08	527	529	514	515	-2.83%	298,000	-	-5.68%
07/07	537	544	527	530	-1.12%	192,800	-	-3.11%
07/06	555	560	533	536	-2.01%	200,800	-	-2.19%
07/03	540	553	530	547	+3.01%	272,300	-	-0.18%
07/02	525	539	522	531	+0.95%	263,700	-	-3.28%
07/01	538	541	521	526	-0.38%	212,300	-	-4.54%
06/30	554	555	526	528	-3.12%	222,100	-	-4.52%
06/29	554	559	533	545	+0.18%	162,600	-	-1.45%
06/26	560	561	540	544	-2.86%	151,700	-	-1.45%
06/25	554	563	548	560	+2.56%	196,700	-	+1.63%
06/24	556	574	539	546	-1.97%	264,100	-	-0.36%
06/23	（IR情報）15:30 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
06/23	570	570	556	557	-2.11%	193,300	-	+2.01%
06/22	546	569	546	569	+4.21%	323,100	-	+4.6%
06/19	564	569	544	546	-3.19%	210,000	-	+0.92%
06/18	564	571	560	564	0%	136,600	-	+4.25%
06/17	563	573	561	564	+0.53%	164,000	-	+4.64%
06/16	568	568	556	561	-1.92%	171,400	-	+4.47%
06/15	570	579	566	572	+4%	245,900	-	+7.12%
06/12	556	564	544	550	+0.73%	224,900	-	+3.58%
06/11	541	546	527	546	+0.55%	498,700	-	+3.41%
06/10	541	550	534	543	+0.56%	183,700	-	+3.43%
06/09	（IR情報）16:30 支配株主等に関する事項
06/09	541	563	531	540	+1.69%	289,000	-	+3.65%
06/08	526	536	510	531	-4.5%	314,300	-	+2.71%
06/05	543	561	541	556	+2.21%	280,900	-	+8.17%
06/04	544	549	529	544	-0.37%	219,900	-	+6.88%
06/03	545	556	538	546	+1.68%	226,600	-	+8.33%
06/02	545	549	528	537	-2.36%	362,300	-	+7.62%
06/01	576	576	550	550	-4.18%	390,900	-	+10.89%
05/29	587	596	564	574	-0.52%	437,700	-	+16.67%
05/28	570	579	549	577	+0.35%	513,500	-	+18.24%
05/27	531	588	522	575	+9.11%	840,700	-	+18.8%
05/26	522	532	513	527	+0.76%	140,600	-	+9.79%
05/25	（IR情報）16:00 (開示事項の経過)連結子会社(孫会社)の異動を伴う持分譲渡価格決定に関するお知らせ
05/25	519	530	513	523	+2.35%	276,700	-	+9.41%
05/22	508	513	497	511	+1.79%	184,500	-	+7.35%
05/21	494	509	490	502	+3.29%	226,200	-	+5.91%
05/20	504	504	474	486	-3.57%	342,400	-	+2.97%
05/19	516	523	497	504	+0.2%	334,100	-	+7.01%
05/18	537	537	492	503	-5.45%	460,900	-	+7.02%
05/15	525	539	519	532	+2.11%	406,100	-	+13.92%
05/14	505	530	503	521	+3.17%	443,300	-	+12.28%
05/13	485	505	485	505	+4.55%	271,400	-	+9.54%
05/12	505	507	479	483	-2.82%	384,200	-	+5.46%
05/11	500	519	494	497	+4.41%	785,200	-	+8.75%
05/08	（IR情報）15:30 2026年3月期決算短信〔日本基準〕(連結)

積水化成品工業（4228）のイベントチャート

2026/05/11～2026/10/02

イベント情報＆株価推移

開示資料

決算

株式

チャート