Terminal Value
The value of a business beyond the explicit forecast period in a DCF, estimated either via a perpetuity growth rate or an exit multiple. Often represents the majority of total implied enterprise value — a common point of scrutiny.
Terminal Value · the mechanism
1 min read
Compute a terminal value both ways, cross-check them, and say when the answer is telling you the model is wrong.
Where it comes up. A director reviewing your model asks what share of the answer you actually forecast, and what the exit multiple your perpetuity implies would look like against the comps.
Perpetuity growth
Final-year free cash flow times one plus g, divided by WACC minus g. The result is a value as at the end of the forecast, so it must then be discounted back to today like any other future cash flow. Forgetting that second discount is a common and expensive slip.
Exit multiple
Apply a multiple to final-year EBITDA, chosen from where comparable companies trade today rather than from where you hope they will. It embeds a market view where the perpetuity embeds a growth view.
Cross-check them against each other
Back out the growth rate implied by your exit multiple, and back out the multiple implied by your perpetuity. If the two methods disagree materially, one of the assumptions is wrong and finding out which is the actual analytical work.
Check the share
Terminal value is typically 60 to 75% of enterprise value on a ten-year forecast and can exceed 80% on a five-year one. Above about 75%, extend the forecast period so more of the answer is modelled rather than assumed.
Worked through
Final-year FCF $500m, WACC 9%, terminal growth 2.5%, final-year EBITDA $900m.
- Perpetuity terminal value
- $500m × 1.025 ÷ 0.065 = $7,885m
- Implied exit multiple
- $7,885m ÷ $900m = 8.8x
- If comps trade at 11x, terminal value would be
- $9,900m
The two methods differ by 26%. That gap is the finding: either the growth assumption is too low for a business the market prices at 11x, or the comps are not comparable. Presenting both and naming the tension is a stronger answer than picking one.
Check yourselfWhy must the perpetuity terminal value be discounted back, when it already used WACC in the formula?
Answer once you have one →
Because the WACC in the formula does the capitalising, not the discounting. The perpetuity converts an infinite stream of future cash flows into a single value as at the end of the forecast period, which is year five or year ten, not today. Getting it to today needs one more division by one plus WACC to the power of that number of years. Skipping it overstates value by a large margin.
Be able to say this back next week
- Discounted the terminal value back to today as well as calculating it
- Cross-checked the perpetuity against an implied exit multiple
- Capped terminal growth near long-run nominal GDP and said why
Why Terminal Value matters in interviews
Terminal value is usually the majority of a DCF, so an interviewer asking about it is asking whether you know your valuation rests mostly on an assumption about the distant future. Candidates who can sanity-check terminal value against the other method stand out immediately.
How it works in practice
Perpetuity growth (Gordon growth) method: TV = final-year FCF x (1 + g) / (WACC − g). With $500m of final-year FCF, 2.5% growth and a 9% WACC, TV = $512.5m / 0.065 = $7.88bn.
Exit multiple method: TV = final-year EBITDA x a terminal EV/EBITDA multiple, usually anchored on where comparable companies trade today.
Best practice is to calculate both and cross-check. Back out the implied perpetuity growth rate from your exit multiple: if it comes to 5%, the multiple is too high and you should say so.
Whichever method you use, the resulting terminal value sits at the end of the forecast and must itself be discounted back to present value.
What candidates get wrong
- Forgetting to discount terminal value back to today — an easy slip that inflates the valuation by 40% or more.
- Using a growth rate above long-run nominal GDP. Above roughly 3% the maths implies the company eventually consumes the whole economy.
- Applying the exit multiple to the wrong year's EBITDA, or mixing a forward multiple with a trailing metric.
Terminal Value: frequently asked questions
Which terminal value method is better?
Neither dominates. The perpetuity growth method is theoretically cleaner but very sensitive to the spread between WACC and g. The exit multiple method is grounded in observable market pricing but imports today's market sentiment into a long-run assumption. Practitioners compute both and use each to sanity-check the other.
What terminal growth rate should you use?
Typically 2-3% for a developed-market business — broadly long-run inflation plus modest real growth, and never above long-run nominal GDP growth. A mature business in structural decline may warrant 0% or negative.
Practise it
Slide the assumptions and read off the growth rate the market is already pricing in, with a verdict and a sensitivity heatmap.
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