SK oceanplant

100090 · KOSPI · ₩100090 · SK오션플랜트

₩9,580▼ ₩20 (0.21%)End-of-day · Oct 27, 2026 · End-of-day prices.
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Valuation model · Discounted cash flow (DCF)

We use a 5-year discounted cash flow: the value of the cash the business is expected to produce, in today's money.

Fair value per share

₩10,253

vs the current price (₩9,580)

Enterprise value
₩822B
Equity value
₩641B
WACC
6.6%

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

Bear / Base / Bull

Bear
₩2,614
−72.7%
Base
₩10,253
+7.0%
Bull
₩24,503
+155.8%

Bear: revenue growth 3 points lower every year, EBIT margin 2 points lower, WACC 1 point higher. Bull: the opposite.

Assumptions

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Cycle options

Margin path

Every year uses the cycle-average margin (7.3%).

Revenue growth

  • 11.7%

    How much sales grow that year, compared with the year before.

    Default: the last 3 years' revenue growth (11.7% a year, annual reports), fading to 3% by year 5.

  • 9.6%

    How much sales grow that year, compared with the year before.

    Default: the last 3 years' revenue growth (11.7% a year, annual reports), fading to 3% by year 5.

  • 7.4%

    How much sales grow that year, compared with the year before.

    Default: the last 3 years' revenue growth (11.7% a year, annual reports), fading to 3% by year 5.

  • 5.2%

    How much sales grow that year, compared with the year before.

    Default: the last 3 years' revenue growth (11.7% a year, annual reports), fading to 3% by year 5.

  • 3%

    How much sales grow that year, compared with the year before.

    Default: the last 3 years' revenue growth (11.7% a year, annual reports), fading to 3% by year 5.

Business

  • 7.3%

    Operating profit as a share of revenue.

    Default: through-the-cycle average of the last 12 months and the last 5 annual reports' operating margins.

  • 27.5%

    Share of operating profit paid as corporate tax.

    Default: Korea's top corporate tax rate (25%) plus 10% local income tax.

  • 11%

    The non-cash cost of wearing out equipment, added back to cash flow (% of revenue).

    Default: not in the statements, so 80% of capital spending (most spending replaces equipment that wears out).

  • 13.7%

    Money spent on factories, equipment, software and other long-term assets (% of revenue).

    Default: average of the last 3 annual reports (cash flow statements; equipment and intangibles).

  • 12%

    Stock and unpaid customer bills, less unpaid supplier bills, as a % of revenue. Each year's extra revenue ties up this much more cash.

    Default: working capital (current assets less cash and deposits, minus current liabilities other than borrowings) as a share of revenue, averaged over the last 3 years.

Discount rate

  • 2%

    How fast cash flows keep growing every year after year 5.

    Default: about Korea's long-run inflation plus real growth.

  • 4.03%

    Yield on Korea's 10-year government bond: the return with almost no risk.

    Default: Korea Treasury Bond 10-year yield on 2026-10-27.

  • 0.6

    How much the share moves when the market moves: 1 means just like the market.

    Default: 105 weeks of weekly returns against KOSPI (official index); raw beta 0.24, adjusted toward 1 and kept between 0.6 and 2.0.

  • 5.5%

    The extra return investors want for owning shares instead of bonds.

    Default: a typical premium for Korean shares.

  • 5.53%

    The interest rate the company would pay to borrow.

    Default: the 10-year yield plus a 1.5% credit spread.

Starting point

Revenue (TTM to H1 2026)
₩813B
Net debt (borrowings and leases − cash and deposits)
₩182B
Shares
62,478,129
Share price
₩9,580
Market cap
₩599B

TTM = trailing 12 months: the last four reported quarters added together. "TTM to H1 2026" is the 12 months up to the latest quarterly or half-year report (H1 = to the end of June). Year 1 grows from there.

Past years and projection

Grey columns are reported results from the annual reports (after-tax EBIT at the model's tax rate), so you can check the growth and margin assumptions against the past. Years 1–5 are the model.

FY2023FY2024FY2025Year 1Year 2Year 3Year 4Year 5
Revenue₩926B₩663B₩965B₩908B₩995B₩1.1T₩1.1T₩1.2T
Growth33.8%−28.4%45.7%11.7%9.6%7.4%5.2%3.0%
EBIT₩76B₩42B₩60B₩66B₩73B₩78B₩82B₩85B
EBIT margin8.2%6.3%6.2%7.3%7.3%7.3%7.3%7.3%
After-tax EBIT₩55B₩30B₩43B₩48B₩53B₩57B₩59B₩61B
+ Depreciation———₩100B₩109B₩118B₩124B₩127B
− Capital spending₩112B₩152B₩60B₩124B₩136B₩146B₩154B₩159B
− Working capital₩134B−₩138B₩50B₩11B₩10B₩8.8B₩6.7B₩4B
Free cash flow———₩12B₩15B₩19B₩22B₩26B
Discount factor———0.9380.8810.8260.7760.728
Present value———₩11B₩14B₩16B₩17B₩19B

Terminal value ₩1T, worth ₩745B today: 91% of enterprise value. It assumes spending settles at 110% of depreciation once growth slows to the terminal rate.

Cross-check: what the market has paid before

For cyclical businesses, analysts check a DCF against the multiples the stock has traded at through past cycles. Price / book is the usual anchor for them: P/E looks highest at the bottom of a cycle, when earnings are smallest, and lowest at the top. The price each band would give today:

LowTypicalHigh
Price / book (book value ₩13,416 a share)Now 0.71×₩14,4861.08×₩23,7581.77×₩105,8407.89×
Price / earnings (last 12 months: ₩776 a share)Now 12.3×₩13,47217.4×₩28,01136.1×₩45,12058.1×
P/E on run-rate earnings (Q2 2026 × 4: ₩883 a share)Now 10.9×₩15,31917.4×₩31,85136.1×₩51,30558.1×

Low, typical and high are the 10th percentile, middle and 90th percentile of month-end multiples since 2021, each against the latest report out by then, per share at today's share count; loss years and P/E above 100 are left out. Run-rate earnings are one quarter × 4, not a forecast. Model estimate based on the assumptions shown. Not a price target and not a buy or sell signal.

Sensitivity

Fair value per share as two inputs change; the middle is the current case.

WACC ↓ · Terminal growth →1.0%1.5%2.0%2.5%3.0%
5.6%₩11,121₩12,552₩14,382₩16,809₩20,180
6.1%₩9,572₩10,681₩12,061₩13,827₩16,167
6.6%₩8,305₩9,184₩10,253₩11,585₩13,288
7.1%₩7,251₩7,959₩8,807₩9,838₩11,122
7.6%₩6,360₩6,940₩7,624₩8,441₩9,435

Now (TTM)

Market cap
₩599B
Enterprise value
₩774B
P/E
12.3×
P/B
0.7×
P/S
0.7×
EV/EBITDA
—
Dividend yield
0.0%

Over time (at each year end)

20252024202320222021
Price₩20,250₩12,870₩19,770₩20,100₩21,400
Market cap₩1.3T₩804B₩1.2T₩1.3T₩1.3T
P/E33.5×49.1×21.5×56.4×—
P/B1.6×1.1×1.8×2.4×9.5×
P/S1.3×1.2×1.3×1.8×2.7×
EV/EBITDA—————
Dividend yield0.0%————

Versus similar companies

CompanyP/EP/BP/SEV/EBITDADividend yield
SK oceanplant12.3×0.7×0.7×—0.0%
POSCO Holdings16.2×0.4×0.3×7.7×3.6%
Korea Zinc18.1×1.6×0.8×—2.3%
Hyundai Steel—0.2×0.2×—1.9%
Poongsan8.0×0.7×0.3×5.9×2.9%
SeAH Besteel Holdings12.7×0.6×0.3×9.6×3.8%
Sama Aluminium—4.3×3.1×—0.0%
Similar companies (median)14.4×0.6×0.3×7.7×2.6%

Calculated from end-of-day prices and filed financial statements. Not a recommendation. This is not financial advice.

Also known as: SK oceanplant / SK오션플랜트 / 100090 / KRX:100090

Source: KRX statistical information