대한광통신

13,700KRWMarket close of 10/27 (Tue)

Up +2.39%+320KRWMarket close of 10/27 (Tue)

Preliminary value — replaced once official KRX data for the same date is publishedClose of 10/28 (Wed)14,980KRWUp +9.34%

Preliminary · replaced once official KRX data for the same date is published

Open: 14,000
High: 14,410
Low: 13,610
Day range: Day range low 13,610 high 14,410, open 14,000, close 13,700, previous close 13,380
Volume: 505×10K shares
: 70.4B KRW 0.56× the 20-session average

Market close of 10/27 (Tue)

Where it sits in the 1-year range

44% of the way up from the lowest close in 1 year (252 sessions) · -52.9% from the high

Something to check

1 to check: operating loss

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

Data dateMost recent closing data10/27 (Tue)

Market close data of 2026-10-27

Earningsto check-14.7B KRWOperating income over the last four quarters -14.7B KRW (loss)Operating income, 8 quarters
Recent filingsnot verifiedCould not read filing data, so not verified
Daily moveusual range+2.39%+2.39%, 0.6× the usual (20-session average ±4.27%)
That day +2.39% · usual ±4.27% · large-move threshold ±8.5%

The other 2 are within the usual range

See the full check report

52-week closing rangeNow 13,700

1,65429,100

Financials filed 2026-08-14 · KRX·DART

Something to check

1 to check: operating loss

Earningsto checkQuarterly operating income bars (6); the four dark bars make up the sum-14.7B KRW
Recent filingsnot verifiedCould not read filing data, so not verified
Daily moveusual range+2.39% on the reference date, placed against the usual ±4.27% band0.6×
Trading valueusual range0.56× the 20-session average0.6×70.4B KRW, 0.6× the 20-session average
Foreign & institutionalusual rangeDaily net flow bars for foreigners and institutions, last 5 sessions-8.8B KRW
Data dateusual rangeMarket close data of 2026-10-27

· 53 of 66 stocks up, preferred shares excluded · trading value 608.1B KRW

Same sector · top by trading value
Stock	20D	Change	Trading value
HD현대일렉트릭	Close over the last 20 sessions -36.4%	Up +0.67%	86.4B KRW
효성중공업	Close over the last 20 sessions -33.9%	Up +3.29%	68.0B KRW
LS ELECTRIC	Close over the last 20 sessions -23.1%	Up +3.40%	60.4B KRW
서진시스템	Close over the last 20 sessions -6.7%	Down -4.31%	48.0B KRW
제일일렉트릭	Close over the last 20 sessions -9.8%	Up +14.57%	36.7B KRW

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