KOSDAQ news today: EcoPro BM Co., tumbles 9.2%, most stocks fall

Most KOSDAQ stocks fall: 16 of 17 close lower on 20 October 2026. The biggest moves, new highs and lows and heavy trading come first, then the trading days before, from our own price and volume data.

Top story · Big move · 20 October 2026

EcoPro BM Co., Ltd. (247540) tumbles 9.2% to KRW 105,200.00

Over 5 sessions it is down 7.1%.

Read the story · 247540 price and chart

South Korea stocks

Most KOSDAQ stocks fall: 16 of 17 close lower

On 20 October 2026, 1 of 17 stocks on KOSDAQ we track closed higher, 16 closed lower and 0 were unchanged. The median change was −3.80%.

Biggest falls with trading behind them

South Korea stocks prices

Latest moves on 20 October 2026

Ecopro Co., Ltd. (086520) tumbles 7.7% to KRW 83,400.00Big move. Over 5 sessions it is down 2.1%.
−7.7%
PSK HOLDINGS Inc. (031980) falls 7.3% to KRW 179,000.00Big move. Over 5 sessions it is down 17.1%.
−7.3%
TSE Co., Ltd (131290) falls 6.1% to KRW 263,000.00Big move. Over 5 sessions it is down 20.2%.
−6.1%
JUSUNG ENGINEERING Co.,Ltd. (036930) falls 5.4% to KRW 198,100.00Big move. Over 5 sessions it is down 24.4%.
−5.4%

Moves on 19 October 2026

EcoPro BM Co., Ltd. (247540) jumps 8.3% to KRW 115,800.00Big move. Over 5 sessions it is up 0.2%.
+8.3%
PSK HOLDINGS Inc. (031980) falls 6.2% to KRW 186,700.00Big move. Over 5 sessions it is down 7.3%.
−6.2%
TSE Co., Ltd (131290) falls 5.9% to KRW 280,000.00Big move. Over 5 sessions it is down 9.1%.
−5.9%
PSK Inc. (319660) falls 5.8% to KRW 122,600.00Big move. Over 5 sessions it is down 12.4%.
−5.8%

Moves on 16 October 2026

ISC Co., Ltd. (095340) surges 10.2% to KRW 162,500.00Big move. Its biggest one-day rise in 3 months.
+10.2%
ALTEOGEN Inc. (196170) jumps 9.6% to KRW 234,000.00Big move. Its biggest one-day rise in 2 months, on 1.8 times its 20-day average volume.
+9.6%
TSE Co., Ltd (131290) jumps 9.6% to KRW 297,500.00Big move. Over 5 sessions it is down 4.3%.
+9.6%
HPSP Co., Ltd. (403870) jumps 8.7% to KRW 54,100.00Big move. Over 5 sessions it is down 16.3%.
+8.7%
PSK HOLDINGS Inc. (031980) jumps 7.5% to KRW 199,000.00Big move. It traded 1.8 times its 20-day average volume.
+7.5%
ROBOTIS Co., Ltd. (108490) rises 7.2% to KRW 233,250.00Big move. Its biggest one-day rise in 5 weeks.
+7.2%

Showing the 10 largest of 11.

Moves on 15 October 2026

Eugene Technology Co.,Ltd. (084370) plunges 16.6% to KRW 124,400.00Big move. Its biggest one-day fall in 4 months, on 1.8 times its 20-day average volume.
−16.6%
Wonik IPS Co., Ltd. (240810) plunges 15.5% to KRW 102,700.00Big move. Its biggest one-day fall in 3 months.
−15.5%
TSE Co., Ltd (131290) plunges 15.4% to KRW 269,500.00Big move. Its biggest one-day fall in 3 months.
−15.4%
JUSUNG ENGINEERING Co.,Ltd. (036930) plunges 15.0% to KRW 204,500.00Big move. Its biggest one-day fall in 3 months.
−15.0%
PSK Inc. (319660) plunges 14.6% to KRW 118,500.00Big move. Its biggest one-day fall in at least a year.
−14.6%
PharmaResearch Co., Ltd. (214450) closes at a 52-week low of KRW 258,500.00New low. Down 24.4% over 20 sessions. The previous lowest close was KRW 259,000.00 on 8 Jun 2026.
−4.6%

Showing the 10 largest of 19.

Moves on 14 October 2026

HANA Micron Inc. (067310) tumbles 9.4% to KRW 44,700.00Big move. Its biggest one-day fall in 3 months.
−9.4%
JUSUNG ENGINEERING Co.,Ltd. (036930) tumbles 8.2% to KRW 240,500.00Big move. Over 5 sessions it is down 13.6%.
−8.2%
HPSP Co., Ltd. (403870) falls 7.3% to KRW 57,100.00Big move. Its biggest one-day fall in 3 months.
−7.3%
FADU Inc. (440110) falls 7.3% to KRW 66,200.00Big move. Its biggest one-day fall in 4 weeks.
−7.3%
Eugene Technology Co.,Ltd. (084370) falls 7.1% to KRW 149,100.00Big move. Its biggest one-day fall in 2 months.
−7.1%
PSK Inc. (319660) falls 6.9% to KRW 138,800.00Big move. Over 5 sessions it is down 9.9%.
−6.9%

Moves on 13 October 2026

ROBOTIS Co., Ltd. (108490) plunges 17.6% to KRW 245,000.00Big move. Its biggest one-day fall in 7 months.
−17.6%
Eugene Technology Co.,Ltd. (084370) plunges 11.1% to KRW 154,000.00Big move. Its biggest one-day fall in 3 months.
−11.1%
Tokai Carbon Korea Co., Ltd. (064760) tumbles 7.9% to KRW 274,500.00Big move. Its biggest one-day fall in 2 months, on 1.6 times its 20-day average volume.
−7.9%
PSK HOLDINGS Inc. (031980) closes at a 52-week high of KRW 216,000.00New high. Its fourth new 52-week high in 5 sessions. Up 41.7% over 20 sessions.
+7.2%
FADU Inc. (440110) falls 6.8% to KRW 71,700.00Big move. Over 5 sessions it is down 16.5%.
−6.8%
TSE Co., Ltd (131290) closes at a 52-week high of KRW 329,500.00New high. Its third new 52-week high in 5 sessions. Up 28.7% over 20 sessions.
+5.9%

Moves on 12 October 2026

FADU Inc. (440110) falls 7.1% to KRW 76,900.00Big move. Its biggest one-day fall in 4 weeks.
−7.1%

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Built from Tradzy's own price and volume data. It reports what the market did and does not say why. Nothing here is financial advice. See the disclaimer.