HS Hyosung Advanced MaterialsHS효성첨단소재

HS Hyosung Advanced Materials shows thin margins and heavy debt, though one analyst note points to strong hybrid tire cord sales growth.

Trailing results to H1 2026 show revenue of about ₩3.37T, operating income of ₩162B (4.8% margin) and net income of ₩37B, down from peak levels in 2021 and 2022. Borrowings of ₩2.67T against equity leave liabilities at about 3.5 times equity, and the shares trade near ₩147,400, down 23% over one year.

What stands out

• Full-year 2025 showed a net loss of ₩21.6B after a ₩50B profit in 2024, while operating income stayed near ₩157B.
• Trailing free cash flow is negative at about -₩17B, and the data does not say how the debt will be repaid.
• Price-to-book is about 0.7 and the dividend yield is 0%, so the data shows no cash returns to shareholders.
• Recent filings are mostly 'Decision on Guarantee of Debt for Another Party', seven of them since early September 2026; the filings do not say how large these guarantees are.
• A Samsung Securities note reported in the news expects benefits from hybrid tire cord sales rising fivefold; this is a broker's view, not a forecast in the data.

What to watch

• The next half-year or annual results, to see whether operating margin holds near 5% and free cash flow turns positive.
• Further debt guarantee filings and the size of the group's borrowings, which the data does not break down.
• Foreign ownership, which fell from 9% to 7.5% over 60 days, and the share price against its 52-week low of ₩135,000.