Base metrics
- Operating margin
- -2.7%
- Interest coverage
- -0.9x
- Return on equity (ROE)
- 0.5%
YJ LINK
A209640 · KOSDAQ₩3,005+13.18%
2026-08-03 closeLoading chart…
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AI Insight
Why these signals fired — only backtest-proven edge, told honestly
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.
Financial safety
Reference indicatorAs of 2024Safe zoneFinancial-metric reference signal
Altman Z'' zoneZ'' 5.39
Distress
Grey
Safe
- Altman Z''
- 5.39
- Beneish M-Score
- —
- Sloan accrual
- 1.22%
Statistical flag unavailable
부실·조작 위험을 나타내는 사실 지표입니다. 투자 조언이 아니며, 검증 전이라 참고용입니다.
Factual information, not investment advice.
Earnings quality · Piotroski F-Score
1/9Weak
Piotroski measures year-over-year financial improvement, not absolute quality.
Financial improvement score1/9
Profitability
- Positive ROAPass
- Positive OCFNot passed
- 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.
Risk sensitivity — adverse assumptions
Metric changes under stated assumptions; not a forecast or investment advice.
Operating margin −5pp
Operating lossInterest coverageBase -0.9x adverse case -2.7x
Return on equity (ROE)Base 0.5% adverse case -6.6%
Revenue −15%
Interest coverage riskInterest coverageBase -0.9x adverse case -0.8x
Return on equity (ROE)Base 0.5% adverse case -3.3%
Interest rate +2pp
Interest coverage riskInterest coverageBase -0.9x adverse case -0.6x
Return on equity (ROE)Base 0.5% adverse case -4.5%
Interest coverage limit
Already below the limit by 5.7ppInterest coverage limit at an operating margin of 2.9%
Interest expense coverage threshold
Key suppliers · Annual report
Annual reportDART · 2026-03-19Suppliers disclosed by the company in its 2026-03-19 annual report.
Suppliers without disclosed amount
SMTBracketPlateProrileLaserMachineSubControlPanelCable
Financials at a glance
YJ LINK's latest results and balance sheet. The bars track the last three periods.
Who held it · filings
Filed recordA 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
- 박순일43.10%2026-06-02 · 증감 0.00%p
Recent filings
YJ LINK'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
26-04-17+38.2%
New MA alignment×3
26-05-18-43.8%26-05-06-36.4%26-04-17+38.2%
“·” = 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.
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