Market record by trading date

South Korean stock movers on October 21, 2026

Review verified rankings from the KOSPI and KOSDAQ for October 21, 2026.

The stocks that moved most on this trading date

혜인 led gainers at +29.98%. 소프트센우 led decliners at -20.72%. 푸드나무 recorded the highest share volume.

Stocks ranked by accumulated trading value.

Rank	Company	Close	Change	Turnover
1	SK하이닉스000660—	₩1,288,000	+5.31%	₩5,263,016,000,000
2	삼성전자005930—	₩223,500	+5.67%	₩3,703,691,000,000
3	삼성전기009150—	₩1,184,000	+2.51%	₩722,448,000,000
4	삼성전자우005935—	₩172,400	+3.92%	₩538,908,000,000
5	SK스퀘어402340—	₩773,000	+4.32%	₩520,980,000,000
6	HT로보틱스396300—	₩11,410	+16.79%	₩345,424,000,000
7	삼성SDI006400—	₩557,000	+0.18%	₩303,627,000,000
8	LIG디펜스앤에어로스페이스079550—	₩496,500	-9.40%	₩272,469,000,000
9	주성엔지니어링036930—	₩204,500	+3.23%	₩197,537,000,000
10	대한광통신010170—	₩14,550	+14.12%	₩174,329,000,000
11	LS ELECTRIC010120—	₩165,900	+6.89%	₩152,039,000,000
12	LG에너지솔루션373220—	₩412,500	-0.36%	₩137,161,000,000

Stocks ranked by shares traded.

Rank	Company	Close	Change	Volume
1	푸드나무290720—	₩1,655	+8.88%	66,982,338
2	앤로보틱스138360—	₩1,684	+22.38%	36,705,555
3	세아메카닉스396300—	₩11,410	+16.79%	31,520,840
4	형지글로벌308100—	₩358	-6.53%	26,522,020
5	KBI동양철관008970—	₩1,580	+0.45%	21,093,297
6	삼성전자005930—	₩223,500	+5.67%	16,637,378
7	TS트릴리온317240—	₩1,370	+7.79%	13,694,396
8	대한광통신010170—	₩14,550	+14.12%	12,552,088
9	DGI099520—	₩1,229	+11.22%	11,678,214
10	형지I&C011080—	₩1,060	-7.02%	10,800,323
11	바른손이앤에이035620—	₩387	-18.35%	10,600,698
12	빛과전자069540—	₩3,780	+0.67%	9,608,437

Stocks with the largest positive move from the prior close.

Rank	Company	Close	Change	Volume
1	혜인003010—	₩10,450	+29.98%	2,508,110
2	엘리스0158S0—	₩79,900	+29.92%	1,603,567
3	서한011370—	₩5,040	+29.90%	2,477,543
4	레몬헬스케어365660—	₩3,825	+29.88%	6,255,236
5	멜콘179880—	₩15,390	+27.40%	8,284,500
6	웰킵스하이텍043590—	₩2,235	+23.48%	1,535,598
7	아이크래프트052460—	₩7,580	+23.45%	1,086,983
8	앤로보틱스138360—	₩1,684	+22.38%	36,705,555
9	엑스플러스373200—	₩2,895	+20.37%	423,525
10	큐리옥스바이오시스템즈445680—	₩63,700	+17.96%	254,701
11	디케이락105740—	₩12,370	+17.81%	2,045,873
12	세아메카닉스396300—	₩11,410	+16.79%	31,520,840

Stocks with the largest negative move from the prior close.

Rank	Company	Close	Change	Volume
1	소프트센우032685—	₩3,195	-20.72%	32,861
2	바른손이앤에이035620—	₩387	-18.35%	10,600,698
3	아이스크림에듀289010—	₩621	-17.64%	265,551
4	뉴인텍012340—	₩777	-12.50%	6,575,815
5	모아라이프플러스142760—	₩516	-12.10%	746,212
6	깨끗한나라우004545—	₩3,605	-11.32%	4,249
7	SK디스커버리006120—	₩61,700	-10.45%	45,909
8	바이오인프라199730—	₩2,160	-10.00%	1,156,394
9	자비스254120—	₩4,100	-9.89%	81,825
10	한화갤러리아우45226K—	₩4,800	-9.77%	49,283
11	동양우001525—	₩6,410	-9.72%	1,862
12	LIG디펜스앤에어로스페이스079550—	₩496,500	-9.40%	565,255

Bullstory verifies Yahoo Finance market rankings and Naver Finance turnover records before storing each date.

Captured: Oct 21, 2026, 10:57 AM