우리기술

10,020KRWMarket close of 10/21 (Wed)

Up +1.11%+110KRWMarket close of 10/21 (Wed)

Preliminary value right after the close — replaced by official KRX data tomorrow morningClose of 10/22 (Thu)9,720KRWDown -2.99%

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

Open: 10,000
High: 10,250
Low: 9,850
Day range: Day range low 9,850 high 10,250, open 10,000, close 10,020, previous close 9,910
Volume: 132×10K shares
: 13.3B KRW 0.36× the 20-session average

Market close of 10/21 (Wed)

Where it sits in the 1-year range

25% of the way up from the lowest close in 1 year (252 sessions) · -65.8% from the high

Something to check

1 to check: operating loss

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

Earningsto check-9.7B KRWOperating income over the last four quarters -9.7B KRW (loss)Operating income, 8 quarters
Daily moveusual range+1.11%+1.11%, 0.4× the usual (20-session average ±3.12%)
That day +1.11% · usual ±3.12% · large-move threshold ±6.2%
Trading valueusual range0.4×13.3B KRW, 0.4× the 20-session average
0.36× the 20-session average · check threshold 3×

The other 3 are within the usual range

See the full check report

52-week closing rangeNow 10,020

3,60029,300

Financials filed 2026-10-19 · KRX·DART

Something to check

1 to check: operating loss

Earningsto checkQuarterly operating income bars (6); the four dark bars make up the sum-9.7B KRW
Daily moveusual range+1.11% on the reference date, placed against the usual ±3.12% band0.4×
Trading valueusual range0.36× the 20-session average0.4×13.3B KRW, 0.4× the 20-session average
Recent filingsusual rangeOne cell per day for the last 14 days; only filing days are filled1No event filing in the last 14 days
Foreign & institutionalusual rangeDaily net flow bars for foreigners and institutions, last 5 sessions+4.7B KRW
Data dateusual rangeMarket close data of 2026-10-21

· 39 of 66 stocks up, preferred shares excluded · trading value 844.6B KRW

Same sector · top by trading value
Stock	20D	Change	Trading value
대한광통신	Close over the last 20 sessions -11.3%	Up +12.24%	174.3B KRW
LS ELECTRIC	Close over the last 20 sessions -17.8%	Up +7.02%	152.0B KRW
효성중공업	Close over the last 20 sessions -31.9%	Up +3.01%	101.8B KRW
서진시스템	Close over the last 20 sessions -0.7%	Down -10.88%	92.3B KRW
HD현대일렉트릭	Close over the last 20 sessions -29.9%	Up +2.36%	56.7B KRW

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