Terminal Value
Terminal value is the estimated worth of a business at the end of a DCF model's explicit forecast period, capturing the present value of all cash flows expected beyond that horizon and typically representing the majority of the total enterprise value in most valuations.
A discounted cash flow model cannot project cash flows indefinitely year by year, so analysts typically build an explicit forecast for 5 to 10 years and then estimate a terminal value (TV) to capture everything beyond that window. In most DCF models for US companies, the terminal value accounts for 60-80% of the total calculated enterprise value, which underscores how sensitive valuations are to the terminal value assumptions.
There are two standard methods for estimating terminal value. The Perpetuity Growth Method (also called the Gordon Growth Model approach) assumes the firm's free cash flows grow at a constant rate in perpetuity after the explicit period. The Exit Multiple Method assumes the business is sold at the end of the forecast period at a multiple of a financial metric (typically EBITDA) consistent with how comparable public companies trade today.
The two methods serve as useful cross-checks. If the perpetuity growth method implies an exit EBITDA multiple of 15x but the comparable companies currently trade at 8x, the model is internally inconsistent and the growth rate assumption likely needs to be revised downward. Conversely, if the exit multiple method implies a perpetuity growth rate well above long-run nominal GDP growth (typically 2-2.5% for the US), the exit multiple may be too generous.
Terminal value is discounted back to the present using the same WACC applied to the explicit forecast period: TV_PV = TV / (1 + WACC)^n, where n is the final year of the explicit forecast. Because terminal value is such a large fraction of total enterprise value, the sensitivity of the valuation to changes in the terminal growth rate and exit multiple is enormous. A 0.5-percentage-point change in the perpetuity growth rate or a 0.5x change in the exit EBITDA multiple can swing a large-cap US company's enterprise value by billions of dollars.
Given this leverage, analysts building robust DCF models always present a two-dimensional sensitivity table for terminal value — varying both WACC and the terminal growth rate (or exit multiple) — to show the full range of plausible outcomes rather than a single point estimate.