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JOYWORKS&Co

309930 · KOSDAQ
₩895-3.35%
2026-09-04 close

JOYWORKS&Co last closed at ₩895 (-3.35%) on 2026-09-04. Listed on KOSDAQ; price, financials and dividends update daily after market close.

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No active signal.

New high + volume — the real recordrecord · not a prediction

Last 30 sessions
303 picks
Next-day win rate
50.7%
Avg next-day
-0.11%
vs market
-0.49%p

Every new-high-plus-volume pick we actually published (Korea market) — not this stock alone.

Trade plan

Fill entry, stop, account size and risk percent to get a share count. The stop must sit below the entry.

A calculator · not advice or a guarantee

Financials & valuation at a glance

A
Overall: 건설,건축관련 20/118 · top 16%
Factor composite · relative position in sector

PER 12.56 · PBR 0.61 — own-history percentile 100/100 · 100/100

Open self-history band
PER100/100
PBR100/100

Factual information · not investment advice

Past reported results · not investment advice

More — deeper indicators

Financial safety

Reference indicatorAs of 2024
Safe zoneFinancial-metric reference signal
Altman Z'' zoneZ'' 3.79
Distress
Grey
Safe
The marker shows the current Z'' value within the displayed zones.
Altman Z''
3.79
Beneish M-Score
-2.89

No statistical flag

Sloan accrual
2.32%

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.

차입 증가 → 이자부담 → 수익성 악화

Critical

부채가 +68.2% 늘며 이자보상배율이 6.1x에서 -2.0x로 하락했다. ROE도 6.7%에서 -14.3%로 낮아져 차입 부담이 수익성을 누르고 있다.

Evidence

부채 YoY +68.2%이자보상배율 6.1x→-2.0xROE 6.7%→-14.3%

Factual information, not investment advice.

Earnings quality · Piotroski F-Score

2/9Weak

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

Financial improvement score2/9

Profitability

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

Leverage & liquidity

  • Lower debtNot passed
  • Higher current ratioNot passed
  • No new sharesNot passed

Efficiency

  • Higher gross marginNot passed
  • Higher asset turnoverNot passed

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.

Forensic signals

Anomaly and structural signals observed in the financial statements.

Margin trendWarning

영업이익률 악화 (5.0% → -8.6%, -13.6%p). 통계적 정황 신호이며 회계부정 단정이 아닙니다.

Margin trendWarning

영업외손익 급변 (영업이익 대비 124% 규모 변동) — 일회성 손익 주의. 통계적 정황 신호이며 회계부정 단정이 아닙니다.

Factual information, not investment advice.

Industry structure

KRAs of 2026-09-05

건설,건축관련

This stock is in 건설,건축관련: revenue rank 110 of 118, share 0%.

110 / 1180%revenue share

Who dominates this industry?

  1. 1현대건설20.1%
  2. 2GS건설7.9%
  3. 3대우건설6.5%
  4. 4삼성E&A6.1%
  5. 5DL이앤씨5.1%
  6. 6조이웍스앤코0%

Concentration

DistributedCR3 34.5%
HHI 650118 revenue members

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

Polarization

MixedConsistent

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

Margin lens

IQR%p
6.23
Direction
확대
Level
좁음
Years
6

Value lens

P90/P10
5
Median P/B
0.53
Level
보통
n
113

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
-8.6%
Interest coverage
-2x
Return on equity (ROE)
4.8%

Operating margin −5pp

Operating loss
Interest coverageBase -2x adverse case -3.2x
Return on equity (ROE)Base 4.8% adverse case -29.7%

Revenue −15%

Interest coverage risk
Interest coverageBase -2x adverse case -1.7x
Return on equity (ROE)Base 4.8% adverse case -19.2%

Interest rate +2pp

Interest coverage risk
Interest coverageBase -2x adverse case -1.6x
Return on equity (ROE)Base 4.8% adverse case -23.1%

Interest coverage limit

Already below the limit by 12.8pp

Interest coverage limit at an operating margin of 4.2%

Interest expense coverage threshold

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

  • 최인순14.47%2025-07-30 · 증감 -6.11%p
  • 조이웍스13.19%2026-01-07 · 증감 -1.50%p
  • 상상인저축은행12.39%2025-08-14 · 증감 +12.39%p
  • 오하임투자조합8.57%2026-06-16 · 증감 -1.90%p
  • 에마스투자조합8.53%2025-07-31 · 증감 +8.53%p
  • 나형균5.71%2026-06-16 · 증감 -1.25%p

Other stocks held by the same investors

A filing-based shared-holder record, not investment advice.

Recent filings

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

Source: DART (Korea electronic disclosure)

About JOYWORKS&Co
What technical signals does JOYWORKS&Co (309930) have?
JOYWORKS&Co current technical signals: no active technical signal.
Is JOYWORKS&Co a cup-and-handle pattern?
No. JOYWORKS&Co has no valid cup-and-handle signal right now.
What are JOYWORKS&Co's financials and valuation?
JOYWORKS&Co's income statement, balance sheet and cash flow are free for the most recent 8 years; the full history is on Pro. PER/PBR, dividend yield and sector valuation bands are free.

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