제이앤티씨

18,570KRWMarket close of 10/27 (Tue)

Up +4.03%+720KRWMarket close of 10/27 (Tue)

Preliminary value — replaced once official KRX data for the same date is publishedClose of 10/28 (Wed)19,000KRWUp +2.32%

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

Open: 18,480
High: 19,140
Low: 18,200
Day range: Day range low 18,200 high 19,140, open 18,480, close 18,570, previous close 17,850
Volume: 27×10K shares
: 5.0B KRW 0.16× the 20-session average

Market close of 10/27 (Tue)

Where it sits in the 1-year range

40% of the way up from the lowest close in 1 year (252 sessions) · -36.9% 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-76.4B KRWOperating income over the last four quarters -76.4B KRW (loss)Operating income, 8 quarters
Recent filingsnot verifiedCould not read filing data, so not verified
Daily moveusual range+4.03%+4.03%, 0.8× the usual (20-session average ±4.90%)
That day +4.03% · usual ±4.90% · large-move threshold ±9.8%

The other 2 are within the usual range

See the full check report

52-week closing rangeNow 18,570

11,21029,450

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-76.4B KRW
Recent filingsnot verifiedCould not read filing data, so not verified
Daily moveusual range+4.03% on the reference date, placed against the usual ±4.90% band0.8×
Trading valueusual range0.16× the 20-session average0.2×5.0B KRW, 0.2× the 20-session average
Foreign & institutionalusual rangeDaily net flow bars for foreigners and institutions, last 5 sessions-400.00 million KRW
Data dateusual rangeMarket close data of 2026-10-27

· 94 of 127 stocks up, preferred shares excluded · trading value 2.17 trillion KRW

Same sector · top by trading value
Stock	20D	Change	Trading value
삼성전기	Close over the last 20 sessions -20.3%	Up +7.42%	933.4B KRW
대덕전자	Close over the last 20 sessions +7.0%	Up +6.68%	139.7B KRW
RF머트리얼즈	Close over the last 20 sessions -26.1%	Down -4.79%	125.9B KRW
심텍	Close over the last 20 sessions -21.6%	Up +9.23%	125.4B KRW
두산	Close over the last 20 sessions -37.0%	Up +5.66%	74.2B KRW

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