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Not investment advice. Educational reading. See Disclaimer.
L.2 · INTERMEDIATE · 3 MIN

Projecting Free Cash Flow

Free Cash Flow = Operating Cash Flow − Capital Expenditures. Projecting FCF is where analysis meets judgment — you’re forecasting a company’s future cash generation based on revenue growth, margins, and reinvestment needs.

Quiz · 5 questions ↓

Apple's growth and margins, live

AAPL — Revenue Growth, Operating Margin, Net Margin. Open AAPL on the Ledge to see current values.

The free cash flow build-up formula (taxes are levied on EBIT, after D&A)

Unlevered FCF = EBITDA − Taxes on EBIT − CapEx − Δ Working Capital

Bull, base, and bear projection scenarios

ScenarioRevenue GrowthEBITDA MarginUse When
Bull caseManagement’s optimistic targetsPeak historical marginsEverything goes right
Base caseAnalyst consensusAverage recent marginsMost likely outcome
Bear caseRecession/competitive pressureTrough marginsStress test

Why to project a range, not a single number

Always project 3–5 scenarios, not one. A single-point DCF is a guess dressed up as math. The range between your bear and bull cases tells you how much uncertainty exists in the valuation.

Project next year's FCF from real margins

Pull up a company in Fundamentals. Find its EBITDA margin and CapEx as % of revenue for the last 3 years. Use these as inputs to project next year’s FCF.

What a wide gap between cases tells you

Your base case projects $150M FCF but your bull case projects $250M. What does this 67% gap tell you?

Why margins revert toward the industry average

The most common FCF projection error is assuming margins expand indefinitely. In reality, competition erodes margins. Use industry averages as a gravity anchor for long-term projections.

When forecasting above your own history is fair

You're projecting free cash flow for a company. Historically they've grown revenue 8%/yr for 5 years and maintained 20% FCF margins. You project 10%/yr growth and 25% margins for the next 5 years. Is your forecast defensible?
Check your understanding

Sit with the ideas.

A company has $1B revenue growing at 10%/year, a 25% EBITDA margin, D&A of 5% of revenue, a 21% tax rate, and capex of 5% of revenue (no working-capital change). What is Year 1 projected unlevered FCF (rounded)?

Why:
Try this in paper trading

DCF a stock — buy with margin of safety

Run a back-of-envelope DCF on a stock you've researched. Estimate fair value. Paper-buy ONLY if the current market price is at least 25% below your fair-value estimate. If it isn't, write down why you waited.

Open paper portfolio →

Practice mode — simulated trades, not investment advice.

Continue this lesson in the app →See it on a real ticker →