[Today's Securities Call] GigaVis, SK Innovation, RF Materials, Seojin System, Silicon 2, HDC Hyundai Development and others
Predicted impact: Low
Securities call roundup and IR event; no specific new financial size disclosed.
Seojin System서진시스템
178320 · KOSDAQ · ₩178320 · 서진시스템
₩31,350▼ ₩1,850 (5.57%)End-of-day · Oct 26, 2026 · End-of-day prices.
Price · 1Y +9.42%
- Market cap
- ₩2T
- Enterprise value
- ₩3.3T
- P/E
- —
- P/B
- 2.0×
- Dividend yield
- 0.0%
- ROE
- −8.4%
- Net margin
- −6.8%
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−62.4% from the high
₩21,750Today: ₩31,000 – ₩32,750₩83,300
Returns
- 1W−23.1%
- 1M−2.5%
- 3M−21.2%
- 6M−37.7%
- YTD+23.9%
- 1Y+16.3%
- Volume today
- 940,741
- 0.6× the 20-day average
- Traded today
- ₩30B
- Listed shares
- 63,723,489
- EPS (12 months)
- −₩1,300
- Earnings yield −4.1%
AI research · InitiationSeojin System: Share Price Up 86.0% Over a Year While Trailing Earnings Turn NegativeThe data shows a company with sizable revenue and a sharply higher share price over the past year, set against negative profits, heavy cash outflow and high leverage.Read the full report →
Upcoming dates
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Why is it moving?
−5.6% on Oct 26, 2026.
Seojin System is in the spotlight after a brokerage cut its target price because initial costs are weighing on its U.S. energy storage plant. Another brokerage said the company's medium-to-long-term growth direction still holds and kept a buy rating.
AI summary of the news and filings linked. It can be wrong; check them.
- [Today's Securities Call] GigaVis, SK Innovation, RF Materials, Seojin System, Silicon 2, HDC Hyundai Development and others (The Korea Economic Daily)
- "Seojin System: Initial Costs Burden U.S. ESS Plant…Target Price Lowered" – iM (The Korea Economic Daily)
- Seojin System: Mid-to-Long-Term Growth Direction Remains Valid… 'Buy' – iM (Edaily)
- • Foreign investors bought a net ₩1.8B that day
Possible reasons, not certainties. Not financial advice.
Signals
Quiet- BuzzQuietBuzz 38 of 100 (50 is a normal day for this stock).
- SentimentNegativeNews: Target price cut on startup costs for the U.S. plant, partly offset by a view that long-term growth still holds. Community: 0 bullish, 0 bearish posts this week.
- MomentumFlat-3.5% over the last month; the price is below its 20-day average.
- News impactLow5 news items and filings in two weeks; 0 rated high impact, 0 medium.
Signals describe activity, not recommendations. Not financial advice.
Leveraged ETF flows
Estimated leveraged-ETF rebalance on Oct 26: sell ₩1.3B at the close (2.2% of 20-day average trading value)
On its 33 biggest days of the last 60 (moves of 3%+), the estimated pressure averaged 5.1% of trading value and pointed the same way 25 of 33 times.
- 2× KODEX KOSDAQ150 Leverage −₩1.1B
- -1× KODEX KOSDAQ150 Futures Inverse −₩92M
- 2× TIGER KOSDAQ150 Leverage −₩81M
- 2× RISE KOSDAQ150 Futures Leverage −₩23M
- -1× TIGER KOSDAQ150 Futures Inverse −₩2.6M
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 KOSDAQ1500.8%
- KODEX KOSDAQ150 Leverage2×0.8%
- TIGER KOSDAQ1500.8%
- RISE KOSDAQ1500.8%
- ACE KOSDAQ 1500.8%
- TIGER KOSDAQ150 Leverage2×0.8%
- KIWOOM KOSDAQ1500.8%
- SOL KOSDAQ1500.8%
Estimated from the funds' index or underlying stock.
Futures and options
All stock futures →Futures (2026-11): 31,000
Basis −1.12% · implied rate −24.1%
Open interest 3,640 contracts
Futures and options can lose more than you put in. Figures describe the market; they are not predictions or recommendations. Paper trading only.
Seojin System stock overview
Seojin System (서진시스템, KRX: 178320) is listed on KOSDAQ, in the Electrical equipment sector. Seojin System is a Korean global metal platform supplier that makes made-to-order products for customers in energy storage systems (ESS), semiconductor equipment, telecommunications equipment, electric vehicle and battery parts, industrial machinery and home appliances, and heavy industry components. Its shares closed at ₩31,350 on Oct 26, 2026, down 5.57% on the day, giving it a market value of ₩2T.
Key facts
- Market cap
- ₩2T
- Sector
- Electrical equipment
- Latest price change
- −5.57%
- As of
- Oct 26, 2026
- Main business
- Seojin System is a Korean global metal platform supplier that makes made-to-order products for customers in energy storage systems (ESS), semiconductor equipment, telecommunications equipment, electric vehicle and battery parts, industrial machinery and home appliances, and heavy industry components.
Quick answers about Seojin System
- What does Seojin System do?
- Seojin System is a Korean global metal platform supplier that makes made-to-order products for customers in energy storage systems (ESS), semiconductor equipment, telecommunications equipment, electric vehicle and battery parts, industrial machinery and home appliances, and heavy industry components. The company runs a group of 26 affiliates, including a large production base in Vietnam, and serves global customers from facilities in Korea, Vietnam, the United States, China, Indonesia and Hungary.
- What is the market cap of Seojin System?
- The market capitalisation of Seojin System was ₩2T at the close on Oct 26, 2026.
- Who are the largest shareholders of Seojin System?
- According to the latest official filings, the largest reported holders are Jeon Dong-gyu (20.51%, as of Oct 16, 2026); Neosolutions (14.83%, as of Oct 7, 2026); Samsung Asset Management (5.08%, as of Jun 18, 2026).
- When is the next earnings report from Seojin System?
- Korean companies rarely announce results dates in advance. Based on when Seojin System filed the same report in past years, its next 3q results is expected around Nov 14, 2026.
- Does the National Pension Service own Seojin System?
- Yes. The National Pension Service held 1.80% of Seojin System shares as of Dec 31, 2025.
Company profile
Seojin System is a Korean global metal platform supplier that makes made-to-order products for customers in energy storage systems (ESS), semiconductor equipment, telecommunications equipment, electric vehicle and battery parts, industrial machinery and home appliances, and heavy industry components. The company runs a group of 26 affiliates, including a large production base in Vietnam, and serves global customers from facilities in Korea, Vietnam, the United States, China, Indonesia and Hungary.
Written by AI from the company's latest annual report.
- Korean name
- 서진시스템
- Sector
- Electrical equipment
- CEO
- 전동규
- Founded
- Oct 2007
- Listed
- Mar 2017
- Listed shares
- 63,723,489
- Fiscal year ends
- Month 12
- Website
- seojinsystem.net
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Recent news
"Seojin System: Initial Costs Burden U.S. ESS Plant…Target Price Lowered" – iM
Predicted impact: Low
Analyst target cut over initial costs of a U.S. ESS plant; no amount disclosed.
Seojin System: Mid-to-Long-Term Growth Direction Remains Valid… 'Buy' – iM
Predicted impact: Low
Broker reiterates Buy and long-term growth view; routine analyst commentary with no new facts.
Recent filings
See all- [Amendment] Decision on Debt Guarantee to Third PartyOct 19, 2026
- [Amendment] Decision on Debt Guarantee to Third PartyOct 19, 2026
- 5%+ holding reportOct 16, 2026
- Amended: Change of largest shareholderOct 12, 2026
- Major sales or supply contractOct 12, 2026
Titles in Korean until English translations are added.
Also known as: Seojin System / 서진시스템 / 178320 / KRX:178320
Source: KRX statistical information