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Reverse DCF · TSM

What TSM's Stock Price Is Really Betting On

The short answer

At today's price, TSMC's stock is pricing in about 28.5% annual free-cash-flow growth for the next ten years. Over the past five years, the company's actual FCF growth averaged 34.2% a year — essentially asking it to keep doing exactly what it's already been doing.

The conclusion

At its current price, TSM implies ~28.5% annual FCF growth for the next 10 years, discounted at 10%.

TSMC's actual 5-year FCF growth has averaged 34.2% a year.

Verdict: the market is asking for more of the same, not more Unlike companies where the market's ask far outpaces history, TSMC's case is close to neutral — the required growth rate (28.5%) sits modestly below its actual five-year pace (34.2%). This isn't a signal to buy or sell; it just means the bar here is "keep executing," not "accelerate."

Required growth vs. historical growth

Market's ask (WACC 10%)
28.5%
5-yr FCF CAGR
34.2%
5-yr revenue CAGR
20.7%
Management's own long-term revenue guidance
25.0%

Required growth from the reverse DCF below. Historical CAGRs from 20-F FY2021, FY2023, and FY2025 (USD-converted). Management's guidance: C.C. Wei, Q4 FY2025 earnings call, Jan 15, 2026.

Sensitivity: what if the discount rate or FCF base moves?

Required 10-year FCF growth by discount rate (WACC)
WACCRequired growth (3-yr avg FCF)Required growth (2025 FCF alone)
8%23.1%18.5%
10% (base case)28.5%23.7%
12%33.3%28.2%

At a lower discount rate (8%), the required rate falls to around 23% — close to the 5-year revenue CAGR (20.7%). At a higher one (12%), it climbs to around 33% — nearly matching the 5-year FCF CAGR (34.2%). The "cheap or expensive" conclusion here depends heavily on a single assumption.

What would move this number

  • Switching from a 3-year average FCF ($22.68B) to 2025 alone ($31.96B) lowers the required growth rate from 28.5% to 23.7% at a 10% discount rate. 2023 was a down-cycle year that drags the 3-year average down — so which base you choose flips the read between "the market is asking for less than TSMC's recent pace" and "the market is asking for the same pace."
  • TSMC's net cash position (about $55.3B) modestly reduces the required growth rate relative to a company with net debt.

Show your work

Five inputs, sources, model assumptions, and the calculation
  • Share price (per ADS)$407.38 — stockanalysis.com, Aug 24, 2026
  • Common shares outstanding25,932,524,521 — 20-F FY2025, p.55 (Feb 28, 2026); 1 ADS = 5 common shares (~5,186.5M ADS-equivalent)
  • Market cap (calculated)$2.113T (price × ADS-equivalent shares) — note some data providers show ~$1.93T, likely reflecting a different pricing/share-count snapshot
  • Free cash flow, USD-converted2023 $9.54B · 2024 $26.54B · 2025 $31.96B; 3-year average $22.68B
  • Net debt−$55.3B (net cash) — 20-F FY2025, p.34 and balance sheet
  • Discount rate (WACC)10% base case (8% / 12% tested)

Currency conversion: year-end NT$/USD rates used — 2021: 27.74, 2022: 30.73, 2023: 30.62, 2024: 32.79, 2025: 31.37 (Federal Reserve year-end rates).

Why a 3-year average: 2025's FCF is 41% above the 3-year average — beyond the ±40% normalization threshold — so the base case uses the 3-year average, with 2025-alone shown separately for context.

Model: free cash flow is assumed to grow at a constant annual rate g for 10 years, then at a 2.5% terminal rate thereafter, solved by bisection for the value of g that equates present value to today's enterprise value (market cap + net debt).

The fine print

This number is a starting point, not an answer
  • Change the discount rate, the FCF base, the projection window, or the terminal growth rate, and the answer moves significantly — see the sensitivity table above.
  • A reverse DCF shows what the market currently expects — it does not say what the stock is "worth."
  • Whether 28.5% annual FCF growth is realistic depends on the AI chip demand cycle, the competitive landscape, and TSMC's execution — not on this math alone.
  • Any investment decision, and its outcome, is your own responsibility.
Built from TSMC's 20-F (FY2025) and a web search for the current share price (stockanalysis.com, Aug 24, 2026). This tells you where to dig deeper — it is not a buy or sell signal.

Frequently asked questions

What growth rate does TSM's stock price assume?

At today's price, TSMC's stock is pricing in about 28.5% annual free-cash-flow growth for the next ten years.

How does that compare to TSMC's actual growth?

Over the past five years, TSMC's actual free-cash-flow growth averaged 34.2% a year — above the ~28.5% the current price requires, essentially asking the company to keep doing what it's already been doing.

What share price was used for this analysis?

This analysis used $407.38 per ADS, as of Aug 24, 2026.