프로텍

63,000KRWMarket close of 10/20 (Tue)

Down -5.26%-3,500KRWMarket close of 10/20 (Tue)

Preliminary value right after the close — replaced by official KRX data tomorrow morningClose of 10/21 (Wed)65,100KRWUp +3.33%

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

Open: 65,400
High: 68,400
Low: 62,700
Day range: Day range low 62,700 high 68,400, open 65,400, close 63,000, previous close 66,500
Volume: 4×10K shares
: 2.3B KRW 0.61× the 20-session average

Market close of 10/20 (Tue)

Where it sits in the 1-year range

49% of the way up from the lowest close in 1 year (252 sessions) · -34.6% from the high

Something to check

1 to check: foreign & institutional net outflow together

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

!
Foreign & institutionalto check-6.9B KRW5 sessions: foreign -2.5B KRW · institutional -4.4B KRW
- Foreigners-2.5B KRW
- Institutions-4.4B KRW
- ← Sold moreBought more →
Last 5 sessions: foreigners -2.5B KRW · institutions -4.4B KRW
Daily moveusual range-5.26%-5.26%, 1.4× the usual (20-session average ±3.66%)
That day -5.26% · usual ±3.66% · large-move threshold ±7.3%
Trading valueusual range0.6×2.3B KRW, 0.6× the 20-session average
0.61× the 20-session average · check threshold 3×

The other 3 are within the usual range

See the full check report

52-week closing rangeNow 63,000

30,65096,400

Financials filed 2026-08-14 · KRX·DART

Something to check

1 to check: foreign & institutional net outflow together

Foreign & institutionalto checkDaily net flow bars for foreigners and institutions, last 5 sessions-6.9B KRW
Daily moveusual range-5.26% on the reference date, placed against the usual ±3.66% band1.4×
Trading valueusual range0.61× the 20-session average0.6×2.3B KRW, 0.6× the 20-session average
Earningsusual rangeQuarterly operating income bars (6); the four dark bars make up the sum72.1B KRW
Recent filingsusual rangeOne cell per day for the last 14 days; only filing days are filled0No event filing in the last 14 days
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.