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017670 · KRX · South Korea · Telecom and media
In shortSK Telecom is profitable, generates cash and carries moderate debt, with revenue shrinking (−4.7% last year).
Financial health
Mixed
Built from five areas over the last five annual reports. Tap an area to see the figures behind it.
| Operating marginShare of each sale left after running the business, before interest and tax. | 6.3% | 38/100 |
|---|---|---|
| Net marginShare of each sale left as profit after every cost, interest and tax. | 2.4% | 30/100 |
| Return on equityProfit earned on the money shareholders put in. Above 15% is strong. | 3.3% | 17/100 |
| Return on invested capitalProfit earned on all the capital used (equity and debt). Above 10% usually means a real competitive edge. | 2.7% | 18/100 |
Weight in the score: 25%
| Current ratioShort-term assets divided by short-term debts. Below 1 can mean tight cash. | 1.03× | 19/100 |
|---|---|---|
| Debt / equityDebt compared with the shareholders' stake. Above 2 is heavily indebted. | 0.60× | 78/100 |
| Net debt / EBITDAYears of operating profit needed to repay net debt. Below 2 is comfortable. | 5.81× | 0/100 |
| Interest coverageHow many times operating profit covers interest. Below 2 is risky. | 2.23× | 7/100 |
| Altman Z''Bankruptcy-risk model. Above 2.6 safe, below 1.1 distress. | 3.55 | 63/100 |
Weight in the score: 25%
| Free cash flow marginCash left from each sale after investments. The money that can pay dividends or reduce debt. | 10.0% | 60/100 |
|---|---|---|
| Free cash flow / net incomeHow much accounting profit turns into real cash. Near 1 or above is healthy. | 4.20× | 100/100 |
| Years with positive free cash flow (last 5) | 5 of 5 | 100/100 |
Weight in the score: 20%
| Profitable years (last 5) | 5 of 5 | 100/100 |
|---|---|---|
| Years of revenue decline (last 5) | 1 of 5 | 67/100 |
| Revenue growth volatility | 3.5% | 98/100 |
| Operating margin volatility | 1.6% | 95/100 |
Weight in the score: 20%
| Revenue growth, 3-year average | -0.4% | 14/100 |
|---|---|---|
| EPS growth, 3-year average | -23.7% | 0/100 |
Weight in the score: 10%
Fiscal year 2025 · change vs prior year
Annual figures as reported. Hover a bar or point for the exact value.
1 older year available with the 10-year history. Essential plan, from €8.25/month →
The last 5 fiscal years from the company's annual reports.
KRW millions; negative values in parentheses.
| Fiscal year | FY21 | FY22 | FY23 | FY24 | FY25 |
|---|---|---|---|---|---|
| Revenue | 16,748,585 | 17,304,973 | 17,608,511 | 17,940,609 | 17,099,213 |
| Operating income | 1,387,162 | 1,612,070 | 1,753,204 | 1,823,409 | 1,073,215 |
| Interest expense | 315,604 | 456,327 | 527,401 | 605,919 | 481,996 |
| Pre-tax income | 1,718,191 | 1,236,152 | 1,488,179 | 1,761,765 | 722,261 |
| Income tax | 446,796 | 288,321 | 342,242 | 374,670 | 347,177 |
| Net income | 2,407,523 | 912,400 | 1,093,611 | 1,250,155 | 408,410 |
| Diluted EPS | KRW7,187.00 | KRW4,116.00 | KRW4,950.00 | KRW5,765.00 | KRW1,825.00 |
1 older year available with the 10-year history. Essential plan, from €8.25/month →
3.55 Safe zone
Estimates bankruptcy risk from working capital, retained earnings, operating profit and equity. Above 2.6 is considered safe, below 1.1 signals distress.
4/9
Nine yes-or-no tests on profitability, debt, liquidity and efficiency versus the prior year. 7 to 9 is strong, 0 to 3 is weak.
All figures: DART (opendart.fss.or.kr). Ratios and scores are computed by Scorvest (see how it works). Information only, not investment advice. How it works
Latest annual report: Dec 1, 2025 · Data updated Mar 18, 2026