고려아연

916,000KRWMarket close of 10/20 (Tue)

Down -8.31%-83,000KRWMarket close of 10/20 (Tue)

Preliminary value right after the close — replaced by official KRX data tomorrow morningClose of 10/21 (Wed)913,000KRWDown -0.33%

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

Open: 981,000
High: 985,000
Low: 915,000
Day range: Day range low 915,000 high 985,000, open 981,000, close 916,000, previous close 999,000
Volume: 2×10K shares
: 18.4B KRW 1.11× the 20-session average

Market close of 10/20 (Tue)

Where it sits in the 1-year range

0% of the way up from the lowest close in 1 year (252 sessions) · -56.7% from the high

Something to check

1 to check: bigger daily move than usual

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

Daily moveto check-8.31%-8.31%, 4.5× the usual (20-session average ±1.86%)
That day -8.31% · usual ±1.86% · large-move threshold ±3.7%
Trading valueusual range1.1×18.4B KRW, 1.1× the 20-session average
1.11× the 20-session average · check threshold 3×
Earningsusual range2.04 trillion KRWOperating income over the last four quarters 2.04 trillion KRWOperating income, 8 quarters

The other 3 are within the usual range

See the full check report

52-week closing rangeNow 916,000

916,0002,115,000

Financials filed 2026-08-14 · KRX·DART

Something to check

1 to check: bigger daily move than usual

Daily moveto check-8.31% on the reference date, placed against the usual ±1.86% band4.5×
Trading valueusual range1.11× the 20-session average1.1×18.4B KRW, 1.1× the 20-session average
Earningsusual rangeQuarterly operating income bars (6); the four dark bars make up the sum2.04 trillion 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-13.8B KRW
Data dateusual rangeMarket close data of 2026-10-20

· 10 of 81 stocks up, preferred shares excluded · trading value 311.2B KRW

Same sector · top by trading value
Stock	20D	Change	Trading value
KBI동양철관	Close over the last 20 sessions +35.3%	Down -10.01%	75.4B KRW
POSCO홀딩스	Close over the last 20 sessions -7.5%	Down -3.97%	69.8B KRW
동국산업	Close over the last 20 sessions +31.8%	Down -2.13%	27.7B KRW
삼아알미늄	Close over the last 20 sessions +44.5%	Up +2.07%	22.8B KRW
대양금속	Close over the last 20 sessions -23.9%	Down -12.11%	13.2B KRW

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