젬백스

9,940KRWMarket close of 10/20 (Tue)

Down -1.49%-150KRWMarket close of 10/20 (Tue)

Preliminary value right after the close — replaced by official KRX data tomorrow morningClose of 10/21 (Wed)9,730KRWDown -2.11%

Preliminary · just after the close · replaced by official KRX data tomorrow morning

Open: 9,970
High: 10,120
Low: 9,700
Day range: Day range low 9,700 high 10,120, open 9,970, close 9,940, previous close 10,090
Volume: 9×10K shares
: 889.12 million KRW 0.71× the 20-session average

Market close of 10/20 (Tue)

Where it sits in the 1-year range

2% of the way up from the lowest close in 1 year (252 sessions) · -81.8% from the high

Usual range

Nothing unusual in the 6 checked items

Free · no sign-inSource from 2021-05-17

Daily moveusual range-1.49%-1.49%, 0.5× the usual (20-session average ±2.72%)
That day -1.49% · usual ±2.72% · large-move threshold ±5.4%
Trading valueusual range0.7×889.12 million KRW, 0.7× the 20-session average
0.71× the 20-session average · check threshold 3×
Earningsusual range8.5B KRWOperating income over the last four quarters 8.5B KRWOperating income, 8 quarters

The other 3 are within the usual range

See the full check report

52-week closing rangeNow 9,940

9,19054,500

Financials filed 2026-08-14 · KRX·DART

Usual range

Nothing unusual in the 6 checked items

Daily moveusual range-1.49% on the reference date, placed against the usual ±2.72% band0.5×
Trading valueusual range0.71× the 20-session average0.7×
Earningsusual rangeQuarterly operating income bars (6); the four dark bars make up the sum8.5B KRW
Recent filingsusual rangeOne cell per day for the last 14 days; only filing days are filled0No event filing in the last 14 days
Foreign & institutionalusual rangeDaily net flow bars for foreigners and institutions, last 5 sessions+600.00 million KRW
Data dateusual rangeMarket close data of 2026-10-20

· 20 of 203 stocks up, preferred shares excluded · trading value 1.42 trillion KRW

Same sector · top by trading value
Stock	20D	Change	Trading value
주성엔지니어링	Close over the last 20 sessions -1.9%	Down -5.44%	211.2B KRW
두산에너빌리티	Close over the last 20 sessions -25.1%	Down -5.71%	121.3B KRW
한미반도체	Close over the last 20 sessions -11.5%	Down -5.71%	108.5B KRW
HPSP	Close over the last 20 sessions -5.8%	Down -4.37%	83.9B KRW
원익IPS	Close over the last 20 sessions -13.6%	Down -4.88%	69.9B KRW

For information only, not a solicitation to invest. Investment decisions and their results are your own responsibility.