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 ₩2,737.39 as of August 22, 2026, based on a reinvested dividends scenario. Over the same period, a ₩1000 investment made 5 years ago would be worth ₩563.04, while ₩1000 invested 1 year ago would be worth ₩574.58. This corresponds to total returns of 173.74%, -43.7%, -42.54%, respectively, with annualized returns of 10.59%, -10.85%, -42.54%.

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
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
July 21, 2026	8,720	8,770	8,770	8,870	8,540	139,653
July 20, 2026	9,330	8,860	8,860	9,370	8,750	158,996
July 16, 2026	9,670	9,380	9,380	9,790	9,120	118,779
July 15, 2026	9,500	9,740	9,740	9,850	9,500	138,443
July 14, 2026	9,800	9,250	9,250	9,960	9,090	164,650
July 13, 2026	10,100	9,790	9,790	10,500	9,630	142,411
July 10, 2026	9,770	10,010	10,010	10,200	9,650	138,607
July 09, 2026	9,050	9,510	9,510	9,550	9,050	267,228
July 08, 2026	9,670	9,260	9,260	9,910	9,100	194,631
July 07, 2026	10,030	9,990	9,990	10,310	9,750	123,336
July 06, 2026	10,300	10,180	10,180	10,490	9,920	76,386
July 03, 2026	10,280	10,270	10,270	10,440	9,860	174,696
July 02, 2026	10,660	10,310	10,310	10,880	10,230	98,750
July 01, 2026	11,100	10,880	10,880	11,360	10,750	169,758
June 30, 2026	11,050	11,010	11,010	11,250	10,880	165,817
June 29, 2026	9,800	11,330	11,330	11,360	9,800	274,540
June 26, 2026	10,150	9,850	9,850	10,280	9,560	198,289
June 25, 2026	10,820	10,300	10,300	11,100	10,240	165,932
June 24, 2026	10,600	10,810	10,810	11,080	10,350	172,611
June 23, 2026	11,530	10,660	10,660	11,850	10,600	194,613
June 22, 2026	11,550	11,600	11,600	12,070	11,490	131,584
June 19, 2026	12,350	12,020	12,020	12,500	11,610	193,929
June 18, 2026	12,910	12,370	12,370	12,920	12,320	124,817
June 17, 2026	13,210	13,080	13,080	13,250	12,820	90,603
June 16, 2026	13,450	13,250	13,250	13,560	13,190	114,323
June 15, 2026	13,490	13,450	13,450	13,620	13,100	154,115
June 12, 2026	12,510	12,970	12,970	13,220	12,510	241,187
June 11, 2026	11,080	12,270	12,270	12,270	10,940	269,468
June 10, 2026	11,380	11,440	11,440	11,800	11,100	121,239
June 09, 2026	10,950	11,630	11,630	11,800	10,950	168,757
June 08, 2026	10,900	10,850	10,850	11,540	10,750	189,180
June 05, 2026	12,760	12,180	12,180	13,190	12,050	167,459
June 04, 2026	12,960	13,000	13,000	13,480	12,830	222,740
June 02, 2026	13,280	12,980	12,980	13,400	12,940	255,831
June 01, 2026	13,920	13,550	13,550	13,970	13,480	235,877
May 29, 2026	14,520	14,190	14,190	14,580	13,790	209,615
May 28, 2026	14,600	14,530	14,530	14,670	13,780	281,338
May 27, 2026	15,170	14,220	14,220	15,340	14,220	237,445