# Cash flow

**FUND-04 · Fundamentals · Core**

**Lesson question:** Are reported profits becoming usable cash?

Original fictional examples; educational writing, not live market data, orders or production approval.

## By the end

- Explain the mechanism in the lesson question.
- Reproduce the worked comparison and recognize its failure case.

**Prerequisites:** FUND-01

Earnings recognize economic activity under accounting rules; cash flow records cash movement. Neither substitutes for the other. A profitable business can tie up cash in working capital, while a weakening business can temporarily release it.

Free cash flow requires a stated definition, not just an impressive label.

## Understand the mechanism

Operating cash flow minus capex is a common shorthand. It can still contain working-capital timing and stock-compensation addbacks. It is not automatically the unlevered cash flow used in an enterprise DCF.

Stock compensation is an economic cost through dilution even when added back to operating cash. Model its effect consistently and avoid double-counting both a full cash-equivalent subtraction and the same dilution.

## Walk through the process

Reconcile earnings to cash over several periods. Inspect inventory, receivables, payables, unusual receipts and capitalized spending. Distinguish maintenance and growth spending where evidence allows.

Align the cash-flow definition with the valuation claims and discount rate.

## Evidence and decision boundary

These are original fictional teaching figures, not a company screen. Actual analysis should use primary disclosures and distinguish management's explanation from your inference. Favorable or unfavorable evidence depends on the specific business, valuation and risk; no single ratio establishes a recommendation.

## A worked example

Harbor has operating cash flow 130 and capex 40, producing simple FCF 90 million. If 25 of OCF came from a one-time inventory reduction, recurring capacity may be lower.

Suppose OCF also adds back 30 of stock compensation. That does not establish one universal adjusted-FCF number; it requires a consistent treatment of the economic dilution cost. The chart separates OCF, capex and the unadjusted shorthand FCF.

## Calculation popup: Reproduce the financial calculation

```text
Simple FCF=operating cash flow−capex
```

Fictional figures; definitions and periods must match.

1. 130−40=90.

**Result:** 90 million under this definition.

## Graph: Cash flow—worked comparison

**Horizontal:** Operating cash / capex / simple FCF  
**Vertical:** USD millions

Fictional data from the written example. The chart organizes the comparison; its shape is not a forecast.

Complete numerical data are embedded in `scripts/fundamentals/FUND-04.js` and displayed as an accessible table in the HTML lesson.

## What would invalidate the reading?

Treating a temporary working-capital release as perpetual cash generation exaggerates value. Stretching suppliers is not equivalent to stronger customer demand.

## Check your understanding

### What is simple FCF in the example?

**Answer:** 90 million.

**Why:** 130−40; persistence and valuation definition remain separate questions.

### What is the critical failure to avoid?

**Answer:** Treating a temporary working-capital release as perpetual cash generation exaggerates value. Stretching suppliers is not equivalent to stronger customer demand.

**Why:** Explain this risk before treating the example as a decision rule. A correct calculation does not guarantee a favorable market outcome. **Critical risk check.**

## Takeaway

Return to the question: Are reported profits becoming usable cash? State the observed facts, the assumptions and the failure condition separately.

## References and provenance

The cited references support definitions and conventions. The teaching prose, tickets and numerical scenarios are original; they are not attributed as historical market observations.

- [SEC Financial Statements Guide](https://www.sec.gov/about/reports-publications/beginners-guide-financial-statements)