Cosmo Chemical Co., Ltd. (005420.KS) KSC

Currency In KRW

005420.KS Historical Return

If you invested ₩1000 in Cosmo Chemical Co., Ltd. (005420.KS) 10 years ago, it would be worth ₩2,884.78 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a ₩1000 investment made 5 years ago would be worth ₩696.15, while ₩1000 invested 1 year ago would be worth ₩510.54. This corresponds to total returns of 188.48%, -30.38%, -48.95%, respectively, with annualized returns of 11.18%, -6.98%, -48.95%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

005420.KS Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 21, 2026	10,820	10,640	10,640	11,030	10,520	72,426
October 20, 2026	11,220	10,690	10,690	11,470	10,650	130,943
October 19, 2026	10,270	11,530	11,530	11,580	10,160	193,458
October 16, 2026	10,710	10,480	10,480	10,760	10,170	117,552
October 15, 2026	11,200	10,520	10,520	11,200	10,230	167,229
October 14, 2026	11,070	11,570	11,570	11,860	10,990	191,084
October 13, 2026	10,750	11,000	11,000	11,060	10,170	100,982
October 12, 2026	11,650	10,930	10,930	11,800	10,800	126,610
October 08, 2026	11,610	11,570	11,570	11,870	11,360	185,930
October 07, 2026	11,800	11,470	11,470	11,820	11,450	110,839
October 06, 2026	11,670	11,880	11,880	11,920	11,430	225,964
October 02, 2026	10,560	11,190	11,190	11,240	10,540	159,202
October 01, 2026	10,410	10,540	10,540	10,540	10,170	91,919
September 30, 2026	10,240	10,310	10,310	10,520	10,240	83,559
September 29, 2026	10,360	10,180	10,180	10,380	10,010	121,420
September 28, 2026	10,270	10,470	10,470	10,780	10,180	128,823
September 23, 2026	10,280	10,280	10,280	10,430	10,110	70,023
September 22, 2026	10,360	10,120	10,120	10,430	10,060	74,207
September 21, 2026	10,500	10,290	10,290	10,570	10,190	56,850
September 18, 2026	10,460	10,380	10,380	10,510	10,340	68,661
September 17, 2026	10,530	10,260	10,260	10,530	10,210	58,715
September 16, 2026	10,500	10,430	10,430	10,850	10,370	74,118
September 15, 2026	10,450	10,560	10,560	10,720	10,300	109,857
September 11, 2026	10,560	10,590	10,590	10,660	10,460	80,230
September 10, 2026	10,560	11,040	11,040	11,050	10,530	166,522
September 09, 2026	10,190	10,850	10,850	10,870	9,850	112,083
September 08, 2026	10,540	10,160	10,160	10,600	10,130	87,567
September 07, 2026	10,400	10,360	10,360	10,550	10,250	67,930
September 04, 2026	10,510	10,310	10,310	10,660	10,280	78,436
September 03, 2026	10,510	10,440	10,440	10,680	10,100	78,266
September 02, 2026	10,960	10,360	10,360	11,100	10,350	150,136
September 01, 2026	11,640	11,380	11,380	11,900	11,340	135,755
August 31, 2026	11,180	11,710	11,710	11,710	11,040	129,428
August 28, 2026	11,150	11,280	11,280	11,710	10,840	112,978
August 27, 2026	10,830	11,260	11,260	11,290	10,680	141,092
August 26, 2026	10,740	10,750	10,750	10,830	10,470	65,530
August 25, 2026	10,690	10,790	10,790	10,820	10,350	101,749
August 24, 2026	9,990	10,810	10,810	10,840	9,980	155,537
August 21, 2026	10,320	9,900	9,900	10,400	9,850	75,839
August 20, 2026	10,440	10,500	10,500	10,850	10,430	78,013
August 19, 2026	10,160	10,360	10,360	10,500	9,920	87,374
August 18, 2026	10,780	10,470	10,470	11,030	10,330	142,402
August 14, 2026	10,510	10,760	10,760	10,770	10,370	105,528
August 13, 2026	10,520	10,540	10,540	10,620	10,310	166,282
August 12, 2026	10,510	10,450	10,450	10,630	10,310	100,439
August 11, 2026	10,630	10,510	10,510	10,850	10,480	98,613
August 10, 2026	10,330	10,760	10,760	10,780	10,190	138,965
August 07, 2026	10,200	10,310	10,310	10,600	9,850	166,673
August 06, 2026	9,680	9,940	9,940	10,020	9,610	93,373
August 05, 2026	9,650	9,770	9,770	9,930	9,630	90,652
August 04, 2026	9,050	9,470	9,470	9,570	9,050	131,752
August 03, 2026	8,770	8,960	8,960	9,330	8,620	159,282
July 31, 2026	8,250	8,880	8,880	8,930	8,130	143,238
July 30, 2026	7,160	7,990	7,990	8,410	7,160	251,445
July 29, 2026	8,530	7,760	7,760	8,730	7,500	243,168
July 28, 2026	8,840	8,480	8,480	8,990	8,360	127,695
July 27, 2026	9,380	9,180	9,180	9,480	9,050	92,124
July 24, 2026	9,280	9,200	9,200	9,510	9,120	99,225
July 23, 2026	8,920	9,590	9,590	9,590	8,920	116,018
July 22, 2026	9,030	8,970	8,970	9,300	8,910	107,566