Quantus

ISC

A095340 · KOSDAQ
₩129,600+21.69%
2026-08-03 close

ISC — pricey right now, or cheap? And what signals are flashing today?

Open the exact grade & valuation bands with Pro →
Loading chart…
Close
AI Insight

Why these signals fired — only backtest-proven edge, told honestly

Why this signalSignal guide

Moving-average alignment
No

No active signal.

Explore this stock further
Review signal, financial and filing context in chat
Explore in chat →

Strong-buy signal — the real recordrecord · not a prediction

Not this one stock, but every strong-buy pick we actually published (Korea market). When this stock flashes the signal, it is treated by the same rule.(as of 2026-08-03)

Last 30 sessions
648 picks
Next-day win rate
49.2%
Avg next-day
-0.17%
vs market
+0.72%p

Beat the market on 62.1% of picks (each pick vs its own day’s market average).

Recent publish days (next-day win rate)
07-31 0%07-30 66.7%07-29 0%07-28 45%07-27 20%07-25 36.4%07-21 55.6%07-20 53.8%07-16 53.3%07-15 50%07-14 71.4%07-13 31.2%
This stock flashed this signal 1 time over the last ~2 years (see the signal history below for each date).

Entry is the latest close at publish time; next-day is the following close. “Market” is the equal-weighted average of every stock in the same market that day; delisted names are excluded from both. Fees, taxes and slippage are not included. An observed record over a short window, not a pre-registered backtest. Not investment advice.

Valuation Grades

Relative to 124 반도체 peers · not investment advice

Pro unlocks the composite grade, 5 factors and sector rank · ₩19,900/mo

Valuation in its own history

PER 50.26 · PBR 5.25 — own history (2007-10~) percentiles 21/100 · 6/100

PER21/100
PBR6/100

Higher indicates lower valuation relative to its history (based on earnings and book yields).

Earnings percentiles can fluctuate for cyclical companies (including loss periods), so the book basis is shown alongside. Companies with large share buybacks can have structurally high PBR. Factual information, not investment advice.

Annual dividend

Split-adjusted annual DPS history and available grade axes

Annual dividend per share chart2008: 99원20082009: 76원2010: 49원2011: 197원2012: 263원2013: 263원2014: 199원2015: 448원20152016: 229원2017: 163원2018: 343원2019: 150원2020: 50원20202021: 150원2022: 200원2023: 600원2024: 200원2025: 810원810원2025
Annual dividend (per share · split-adjusted) · as of 2025
Consistency
A-
Growth
A+
Yield
D
Safety
A
Reference indicatorView observed cut rates

Paid 18 consecutive years · Raised 1 consecutive years · Yield 0.63% (based on 2025 payment of 810원) · 3-year growth +59.4%

Per-share amount adjusted for splits and capital reductions · Factual information, not investment advice.

Financial safety

Reference indicatorAs of 2024
Safe zoneFinancial-metric reference signal
Altman Z'' zoneZ'' 14.86
Distress
Grey
Safe
The marker shows the current Z'' value within the displayed zones.
Altman Z''
14.86
Beneish M-Score
-1.84

No statistical flag

Sloan accrual
0.68%

부실·조작 위험을 나타내는 사실 지표입니다. 투자 조언이 아니며, 검증 전이라 참고용입니다.

Factual information, not investment advice.

Why has this company moved this way?

Auditable observations with the original numeric evidence.

매출 성장 + 마진 확대 + FCF 양수

Positive

매출이 +24.4% 성장하면서 영업이익률이 7.7%에서 25.7%로 확대되었다. FCF도 양수를 유지하여 질적 성장이 확인된다.

Evidence

매출 YoY +24.4%영업이익률 7.7%→25.7%FCF 62,051

Factual information, not investment advice.

Earnings quality · Piotroski F-Score

8/9Strong

Piotroski measures year-over-year financial improvement, not absolute quality.

Financial improvement score8/9

Profitability

  • Positive ROAPass
  • Positive OCFPass
  • Improving ΔROAPass
  • Accruals (OCF > net income)Not passed

Leverage & liquidity

  • Lower debtPass
  • Higher current ratioPass
  • No new sharesPass

Efficiency

  • Higher gross marginPass
  • Higher asset turnoverPass

Calculation note: F7(신주)은 equity/asset 유지로 근사

Already-stable companies may score lower when year-over-year improvement is limited.

Factual information, not investment advice.

Industry structure

KRAs of 2026-08-03

반도체

This stock is in 반도체: revenue rank 57 of 124, share 0%.

57 / 1240%revenue share

Who dominates this industry?

  1. 1삼성전자75.6%
  2. 2SK하이닉스16.6%
  3. 3SK스퀘어0.5%
  4. 4동진쎄미켐0.4%
  5. 5하나마이크론0.3%
  6. 6ISC0%

Concentration

ConcentratedCR3 92.7%
HHI 5,987124 revenue members

HHI and CR3 are separate industrial-organization facts; they are not the polarization verdict.

Polarization

Winner-take-all deepeningConsistent

Polarization measures industry gaps and structure, not valuation, forecast, or investment advice.

Margin lens

IQR%p
16.96
Direction
확대
Level
넓음
Years
6

Value lens

P90/P10
10
Median P/B
1.79
Level
넓음
n
123

Survivorship note: 현재 산업 멤버십을 과거 연도에 소급 적용 — 과거 진입·퇴출 기업 미반영(복원 불가)

Factual information, not investment advice.

Risk sensitivity — adverse assumptions

Metric changes under stated assumptions; not a forecast or investment advice.

Base metrics

Operating margin
25.7%
Interest coverage
28.2x
Return on equity (ROE)
10.5%

Operating margin −5pp

Tolerable
Interest coverageBase 28.2x adverse case 22.7x
Return on equity (ROE)Base 10.5% adverse case 6.6%

Revenue −15%

Tolerable
Interest coverageBase 28.2x adverse case 24x
Return on equity (ROE)Base 10.5% adverse case 7%

Interest rate +2pp

Tolerable
Interest coverageBase 28.2x adverse case 16.1x
Return on equity (ROE)Base 10.5% adverse case 8%

Interest coverage limit

Current margin 24.8pp

Interest coverage limit at an operating margin of 0.9%

Interest expense coverage threshold

Key suppliers · Annual report

Annual reportDART · 2026-03-18

Suppliers disclosed by the company in its 2026-03-18 annual report.

Suppliers without disclosed amount

TestSocketPIN

Financials at a glance

ISC's latest results and balance sheet. The bars track the last three periods.

Who held it · filings

Filed record

A historical record from curated-guru 13F filings and DART 5%+ major-holding disclosures.

US 13F는 분기 공시이며 최대 45일 뒤 제출될 수 있습니다.

5%+ major-holding disclosures

  • SKC48.63%2026-03-05 · 증감 -3.46%p
  • 미래에셋자산운용5.38%2026-07-01 · 증감 -2.93%p
  • GICPrivateLimited5.09%2026-07-23 · 증감 +5.09%p
  • 삼성자산운용5.09%2026-07-06 · 증감 -1.23%p

Connections

AI-extracted related companies · for reference

Suppliers
TeradyneAdvantest
Same theme
Amkor TechnologyJCET GroupASE Technology HoldingLittelfuse
🔗 See in the full market map →

📦 ETFs holding this stock

by weight · top-10 constituents basis

Passive money holding this stock ≈ 366억 · 1w net inflow ≈ +1억(lower bound — top-10 basis, not a forecast)

Factual holdings info from daily disclosures — not a recommendation.

Look up another stock →

Recent filings

ISC's latest filings on Korea's DART. Open a headline for a reference summary and the original.

Source: DART (Korea electronic disclosure)

Signal history (last ~2 years)

Every occurrence on this stock, with the return 20 trading days later. Small sample — a record, not a prediction.

Strong buy (52w high + volume)×1
26-04-09-10.1%
52-week high breakout×2
26-04-09-10.1%26-04-01-7.6%
New MA alignment×7
26-05-14-15.4%26-05-08-28.1%26-04-30-12.8%26-04-08-1.4%26-04-01-7.6%26-03-27-6%26-03-25-4.2%

“·” = fewer than 20 trading days since the event. Cup-and-handle entries are days our board actually showed the badge (archive grows daily since 2026-05-12); others are recomputed from price data.

Like these rules? Run them automatically.

Quantus turns rules like these into backtests and automated trading — same team, free to start.

Quantus Signal · live data · not investment advice · Privacy Policy