What is a reverse DCF and how do I use it?

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AcadiFi · Accepted Answer

A reverse DCF starts with the current market price and solves for the growth rate (or other key input) embedded in that price. Instead of generating an intrinsic value to compare with market price, it reveals what assumptions the market implicitly makes — and lets you judge whether those assumptions are reasonable. For Pinewood Semiconductors trading at $142: WACC = 9%, current FCFF = $280M, shares outstanding 180M. Instead of forecasting growth, assume a 10-year high-growth stage followed by 3% terminal growth. Solve for the high-growth rate that equates the DCF to $142 × 180M = $25.56B enterprise value (plus net debt, say $2B, so total EV $27.56B). Using trial and error or Goal Seek, the implied high-growth rate might be 14% per year for 10 years. Then judge: is 14% FCFF growth for a decade realistic? Industry growth rates, Pinewood's market share opportunity, competitive dynamics, and historical track record all inform the reasonableness. If analogous firms have sustained 14% growth only briefly and current industry conditions are tightening, the implied growth is aggressive — the stock is likely overvalued. ```mermaid flowchart LR A[Current Price] --> B[Back-Solve
for Growth] B --> C[Implied
Growth Rate] C --> D{Reasonable?} D -->|Yes| E[Fairly Valued] D -->|No| F[Mispriced] ``` Reverse DCF shines in: (1) high-growth stocks where forward assumptions are uncertain, (2) detecting narrative-driven prices, (3) communicating bull/bear cases in terms of 'what has to go right.'

What is a reverse DCF and how do I use it?

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