[The Bell] ISC Achieves 30% Q3 Operating Margin Despite Currency Pressure
Predicted impact: Low
Q3 operating profit of ₩21.8B, up 25.4%, already reported; this adds the margin angle.
ISCISC
095340 · KOSDAQ · ₩095340 · ISC
₩151,300▲ ₩10,700 (7.61%)End-of-day · Oct 27, 2026 · End-of-day prices.
Price · 1Y +89.13%
- Market cap
- ₩3.2T
- Enterprise value
- ₩2.8T
- P/E
- 41.4×
- P/B
- 5.5×
- Dividend yield
- 0.6%
- ROE
- 13.3%
- Net margin
- 27.9%
Trailing 12 months from filed financial statements, as of H1 2026. Dividend yield: the 2025 dividend per share from the annual report ÷ today's price.
52-week range−48.3% from the high
₩69,700Today: ₩139,300 – ₩155,000₩292,500
Returns
- 1W−3.4%
- 1M−28.8%
- 3M+25.0%
- 6M−36.3%
- YTD+36.2%
- 1Y+89.1%
- Volume today
- 350,053
- 2.1× the 20-day average
- Traded today
- ₩51B
- Listed shares
- 21,197,058
- EPS (12 months)
- ₩3,659
- Earnings yield 2.4%
AI research · Update noteISC Q3 Preliminary Results: Operating Profit Up 25.4% Year on Year to ₩21.8BThe Q3 filing confirms that operating profit and margins remain near the strong levels that underpinned the previous report, while net income softened.Read the full report →
Upcoming dates
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Why is it moving?
+7.6% on Oct 27, 2026. Trading value 1.7× its normal.
ISC reported third-quarter operating profit of about 21.8 billion won, up 25.4% from a year earlier, according to Yonhap News Agency. A news headline also highlights a 30% operating margin despite currency pressure, and the company filed preliminary consolidated earnings with regulators.
AI summary of the news and filings linked. It can be wrong; check them.
- • Filing: Earnings Outlook on Consolidated Financial Statements (Fair Disclosure)
- • Filing: Preliminary earnings (consolidated)
- • Foreign investors sold a net ₩1B that day
- • Buzz 54 on JONBUR: heavy trading
Possible reasons, not certainties. Not financial advice.
Signals
Normal- BuzzNormalBuzz 54: heavy trading.
- SentimentPositiveNews: Profit rose sharply year on year, though currency pressure is a concern. Community: 0 bullish, 0 bearish posts this week.
- MomentumWeak-27.3% over the last month; the price is below its 20-day average.
- News impactSome6 news items and filings in two weeks; 0 rated high impact, 2 medium.
Signals describe activity, not recommendations. Not financial advice.
Leveraged ETF flows
Estimated leveraged-ETF rebalance on Oct 26: sell ₩1.9B at the close (6.4% of 20-day average trading value)
On its 36 biggest days of the last 60 (moves of 3%+), the estimated pressure averaged 10.3% of trading value and pointed the same way 28 of 36 times.
- 2× KODEX KOSDAQ150 Leverage −₩1.6B
- -1× KODEX KOSDAQ150 Futures Inverse −₩136M
- 2× TIGER KOSDAQ150 Leverage −₩121M
- 2× RISE KOSDAQ150 Futures Leverage −₩35M
- -1× TIGER KOSDAQ150 Futures Inverse −₩3.8M
Mostly via futures: index funds hedge with KOSPI 200 / KOSDAQ 150 futures, spread here over the index's largest members by market value.
Final after the close. An intraday "if the close were now" estimate needs real-time prices, which we don't have yet.
Estimate based on ETF size and daily moves; actual trades may differ.
ETFs holding this
All ETFs →Held by 11 funds.
- KODEX KOSDAQ1501.3%
- KODEX KOSDAQ150 Leverage2×1.3%
- TIGER KOSDAQ1501.3%
- RISE KOSDAQ1501.3%
- TIGER KOSDAQ150 Leverage2×1.3%
- ACE KOSDAQ 1501.3%
- KIWOOM KOSDAQ1501.3%
- SOL KOSDAQ1501.3%
Estimated from the funds' index or underlying stock.
Futures and options
All stock futures →Futures (2026-11): 151,200
Basis −0.07% · implied rate −1.5%
Open interest 7,838 contracts
Futures and options can lose more than you put in. Figures describe the market; they are not predictions or recommendations. Paper trading only.
ISC stock overview
ISC (ISC, KRX: 095340) is listed on KOSDAQ, in the Retail & Trade sector. ISC is a Korean global semiconductor test parts company headquartered in ISC, operating four production and sales subsidiaries. Its shares closed at ₩151,300 on Oct 27, 2026, up 7.61% on the day, giving it a market value of ₩3.2T.
Key facts
- Market cap
- ₩3.2T
- Sector
- Retail & Trade
- Latest price change
- +7.61%
- As of
- Oct 27, 2026
- Main business
- ISC is a Korean global semiconductor test parts company headquartered in ISC, operating four production and sales subsidiaries.
Quick answers about ISC
- What does ISC do?
- ISC is a Korean global semiconductor test parts company headquartered in ISC, operating four production and sales subsidiaries. Its main business is semiconductor test sockets used to test chips, including silicon sockets, pogo-pin sockets, and burn-in test sockets, which it supplies to global big tech, fabless, OSAT, and ASIC companies as well as smartphone chip makers. It also runs a test solutions business supplying parts for test equipment and processes, and since 2025 has operated an equipment and materials business covering back-end test equipment and cleaning chemicals for DRAM and HBM.
- What is the market cap of ISC?
- The market capitalisation of ISC was ₩3.2T at the close on Oct 27, 2026.
- Who are the largest shareholders of ISC?
- According to the latest official filings, the largest reported holders are SKC (48.63%, as of Mar 5, 2026); Samsung Asset Management (6.73%, as of Oct 7, 2026); GICPrivateLimited (5.09%, as of Jul 23, 2026).
- When is the next earnings report from ISC?
- Korean companies rarely announce results dates in advance. Based on when ISC filed the same report in past years, its next 3q results is expected between Nov 13, 2026 and Nov 14, 2026.
- Does the National Pension Service own ISC?
- Yes. The National Pension Service held 4.10% of ISC shares as of Apr 1, 2026.
Company profile
ISC is a Korean global semiconductor test parts company headquartered in ISC, operating four production and sales subsidiaries. Its main business is semiconductor test sockets used to test chips, including silicon sockets, pogo-pin sockets, and burn-in test sockets, which it supplies to global big tech, fabless, OSAT, and ASIC companies as well as smartphone chip makers. It also runs a test solutions business supplying parts for test equipment and processes, and since 2025 has operated an equipment and materials business covering back-end test equipment and cleaning chemicals for DRAM and HBM. Overseas sales are made through its North American subsidiary, local distributors, and direct sales to local buyers, while domestic sales are handled by a dedicated technical sales team.
Written by AI from the company's latest annual report.
- Korean name
- ISC
- Sector
- Retail & Trade
- Business group
- SK
- CEO
- 김정렬 (단독 대표이사)
- Founded
- Feb 2001
- Listed
- Oct 2007
- Listed shares
- 21,197,058
- Fiscal year ends
- Month 12
- Website
- isc21.kr
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Recent news
ISC Q3 operating profit at ₩21.8B, up 25.4% year on year
Predicted impact: Medium
Q3 operating profit up 25.4% year on year; a meaningful but moderate earnings change.
Recent filings
See all- Earnings Outlook on Consolidated Financial Statements (Fair Disclosure)Oct 27, 2026
- Preliminary earnings (consolidated)Oct 27, 2026
- Investor relations (IR) eventOct 16, 2026
- Investor relations (IR) eventOct 16, 2026
- 5%+ holding reportOct 7, 2026
Titles in Korean until English translations are added.
Also known as: ISC / 095340 / KRX:095340
Source: KRX statistical information