Robostar: Share Price Far Above a Model Estimate as Earnings Stay Near Breakeven

Thesis

The data supports a picture of a small machinery company whose earnings are very thin relative to its market value. Trailing net income is ₩390M, giving a P/E of 1,468.3 and a P/B of 6.4, which means the price rests on expectations the filed numbers do not yet show.

The data also shows some improvement from 2025. Trailing revenue of ₩93.4B is above the 2025 full-year figure of ₩75.7B, and the operating margin of -2.0% is better than -7.5%. Even so, the company has not posted a meaningful operating profit in the five years shown.

The share price is 65.7% below its 52-week high of ₩171,600 but 17.4% above the low of ₩50,100. Foreign ownership rose from 3.3% to 6.5% over 60 days. The data does not explain the price moves, and no news headlines are available.

Business overview

Robostar is listed on KOSDAQ in the Machinery sector. It was founded on 1999-02-26 and listed on 2011-10-17, with 9,750,000 shares outstanding and a CEO named 배병주. Data on its products and customers is not available here.

Revenue fell from ₩142.5B in 2021 and ₩143.2B in 2022 to ₩102.7B in 2023, ₩89.1B in 2024 and ₩75.7B in 2025. That is a decline of about 47% from the 2022 level. Large Business Group status disclosures and several 5%+ holding reports appear in recent filings.

Financial analysis

These figures come from filed financial statements. Trailing twelve-month figures run to H1 2026: revenue ₩93.4B, operating loss ₩1.9B (margin -2.0%), net income ₩390M (margin 0.4%) and ROE 0.4%.

Annual operating income was ₩224M in 2021, ₩1.8B in 2022, ₩1.1B in 2023 and ₩149M in 2024. It then turned to a loss of ₩5.7B in 2025. Net income in 2025 was a loss of ₩5.2B, with ROE of -5.8%.

The balance sheet looks light on debt. Liabilities are 29.3% of equity and cash is ₩31.2B. Borrowings data is not available. Trailing free cash flow is negative at about ₩2.0B.

Valuation

Current multiples are P/E 1,468.3, P/B 6.4 and P/S 6.1. Enterprise value is ₩542.1B, and EV/EBITDA is not available. There is no dividend yield.

Year-end P/B was 2.0 to 3.2 in 2021 to 2024 and 9.0 in 2025, so the current 6.4 is below the 2025 level but well above earlier years. Year-end P/E was 55.4 to 418.9 in the years with profits.

Among the listed peers, P/B ranges from 4.7 (Doosan Enerbility) to 51.5 (Rainbow Robotics), and P/E ranges from 45.9 to 4,017.9. Robostar's P/B sits within that range. The peers are far larger by market value.

The model estimate is a 5-year discounted cash flow at an 8.2% rate. It gives a base case of ₩2,972 per share, a bear case of ₩2,074 and a bull case of ₩4,808, using trailing figures to H1 2026. This is a model estimate based on the assumptions shown, not a target. All three cases are far below the ₩58,800 price, so the market is pricing in much stronger results than the model assumes.

Catalysts

• The half-year report filed on 2026-08-14 showed trailing revenue recovering to ₩93.4B, and the next quarterly report will show whether that continues.
• Foreign investors net bought about ₩4.0B over 20 days while institutions net sold about ₩4.0B, and foreign ownership has risen to 6.5%.
• Several 5%+ holding reports were filed between May and August 2026, pointing to changes among large shareholders.
• Short balance stands at 3.0%, which is a measure of bearish positioning that could shift with the share price.
• The Large Business Group status disclosure on 2026-08-28 is a routine filing, and no company-specific news headlines are available.

Risks

• Earnings are near breakeven, with a trailing operating loss of ₩1.9B and a 2025 operating loss of ₩5.7B.
• Trailing free cash flow is negative at about ₩2.0B, though cash of ₩31.2B provides a buffer.
• The price is far above the model estimate range of ₩2,074 to ₩4,808, so any earnings disappointment could matter a lot.
• The shares fell 25.6% in one month and sit well below the 52-week high, which shows high volatility.
• Revenue is still well below the 2021 and 2022 levels, and the recent rebound is based on a single half-year of data.

Closing view

The filings show a debt-light company with a recovering top line but almost no profit. Against that, the market values it at 6.4 times book and the model estimate is a small fraction of the price. The data cannot explain the gap, and there is no news in the data to help. Investors would want to see sustained operating profit and positive free cash flow in coming reports before the valuation looks supported by the numbers.

Model estimate of fair value

Bear

₩2,074

-96%

Base

₩2,972

-95%

Bull

₩4,808

-92%

Model estimate based on the assumptions shown. Not a price target and not a buy or sell signal.

Base case of the 5-year discounted cash flow model on the stock's Valuation tab (statements TTM to H1 2026; discount rate 8.2%). Bear and Bull move the main assumptions by fixed steps. See and change the assumptions

Filings and data used

• Disclosure on Large Business Group Status [Quarterly Disclosure (For Individual Company)]Aug 28, 2026
• Half-year report (Jun 2026)Aug 14, 2026
• Matters Concerning Payment Amounts by Payment Method and Payment Period, and Dispute Mediation BodiesAug 13, 2026
• 5%+ holding reportAug 3, 2026
• 5%+ holding reportJun 5, 2026
• 5%+ holding reportJun 1, 2026
• Disclosure of Large Business Group Status [Annual Disclosure and Q1 Use (Individual Companies)]Jun 1, 2026
• 5%+ holding reportMay 27, 2026
• Quarterly report (Mar 2026)May 15, 2026
• Amended attachment: Annual report (Dec 2025)Apr 24, 2026
• Amended attachment: Annual report (Dec 2025)Mar 31, 2026
• Report on Appointment, Dismissal, or Mid-Term Resignation of Independent DirectorsMar 23, 2026
• Daily prices up to 2026-10-23
• Financial statements, trailing 12 months as of H1 2026
• Our fair value model, statements as of TTM to H1 2026

Report history

1. Oct 24, 2026InitiationStart of coverage (reader request)Robostar: Share Price Far Above a Model Estimate as Earnings Stay Near Breakeven