S-Oil Corporation (010950.KS) stock analysis

In our weekly check, S-Oil Corporation is graded C (A to F). Of 25 checks on debt, profit, cash flow and trend: 12 pass, warnings: 6, red flags: 7.

About S-Oil Corporation

S-Oil Corporation is an Energy company (Oil & Gas Refining & Marketing) based in South Korea, listed on KSC as 010950.KS.

What our checks show for 010950.KS

Red flags

• Revenue fell 4.1% a year over the last 3 years.
• The net margin is only 4.1%: little room if costs rise.
• Free cash flow is negative (-2.8% of revenue): the business spends more cash than it brings in.
• The price swings a lot: 64.4% annual volatility. Expect large ups and downs.
• The stock has fallen as much as 77% from a peak. Would you have held through that?
• Recovering from its deepest fall took about 11.4 years.
• Pay in shares equals 0% of free cash flow: it dilutes shareholders.

Warning signs

• The net margin fell by 1 points over 5 years, to 4.1%: the company keeps less of each sale as profit.
• The gross margin fell by 0.5 points, to 9.6%: costs are rising faster than prices.
• Analysts expect only about 2.8% a year of growth in revenue.
• Earnings per share fell 10.2% a year over the last 3 years.
• Net profit fell 10.2% a year over the last 3 years.
• Thinly traded (about 396 thousand shares a day): buying and selling can move the price.

Strengths

• Operating cash flow is 1.43x net profit: the profit arrives as real cash.
• Analysts expect earnings per share to grow about 14.8% a year over the next years.
• The dividend takes 3% of profit: there is a cushion.
• The price is 9.4 times earnings (P/E), reasonable for its growth.
• A large company: market value $10.73 billion.
• Return on capital (ROCE) is 17.3%: the business earns well on the money put into it.

Next earnings report: 2026-11-02

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Questions

What grade does S-Oil Corporation (010950.KS) have?

In our weekly check, S-Oil Corporation is graded C (A to F). Of 25 checks on debt, profit, cash flow and trend: 12 pass, warnings: 6, red flags: 7. The grade is a risk check, not a buy or sell recommendation.

What are the main risks of 010950.KS stock?

This week's biggest flags for S-Oil Corporation: Weak revenue growth, Thin margins, Weak free cash flow. In total 13 of 25 checks show a warning or a red flag.

What does S-Oil Corporation do?

S-Oil Corporation is an Energy company (Oil & Gas Refining & Marketing) based in South Korea, listed on KSC as 010950.KS.

When does S-Oil Corporation report earnings next?

The next earnings report is expected on 2026-11-02. We re-run the checks every week, so the grade can change after it.

The grade is a risk check, not a price forecast, and not investment advice. In our 10-year test (S&P 500, 2016-2026), stocks we graded A or B fell more than 30% 2-3 times less often than D or F, without a lower average return.

Updated 2026-10-31

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