📚 PASS Research Analyst Certification Examination Difficulty: Beginner ℹ️ Info   ~5 min read
📌 Chapter 10.5 — Discounted Cash Flows Model for Business Valuation

You are deep into your quarterly analysis of a leading Indian FMCG firm. You have already adjusted the reported Net Income for non-cash charges like depreciation and amortization, feeling confident that you are nearing a true ‘cash-based’ view of the firm. However, as you review the Cash Flow Statement, you notice a massive discrepancy between your calculated Operating Cash Flow and the net income reported on the P&L.

You realize that while depreciation accounts for some variance, the firm’s aggressive expansion in trade receivables and inventory management is silently consuming cash that does not appear in the profit metrics. This is where working capital adjustments become the defining factor in your valuation model.

Working capital refers to the short-term liquidity available for daily operations, specifically defined as current assets minus current liabilities. In a DCF model, we must adjust the Operating Cash Flow by the change in net working capital (NWC). If a company is growing its business, it typically needs to invest more in inventory and offer longer credit terms to its distributors to boost sales.

Since these outflows occur before the actual collection of cash, they represent a reduction in the cash available to investors. Ignoring these changes leads to an inflated valuation because you are counting ‘paper profits’ as if they were equivalent to cash in the bank.

Consider an Indian manufacturing entity that reports a robust profit. If the company’s Days Sales Outstanding (DSO) increases, it means cash is tied up in accounts receivable. Conversely, if the firm manages to stretch its payables—paying its suppliers later—it effectively generates a ‘spontaneous’ source of financing. As an analyst, you must subtract increases in current assets (like inventory or receivables) and add increases in current liabilities (like payables) to the cash flow figures.

This disciplined approach prevents you from overvaluing firms that appear profitable but are actually struggling to convert their sales into liquid cash.

Ultimately, your recommendation rests on the quality of these projections. If you fail to model the ‘cash-trap’ created by rising working capital, you risk recommending a stock that is fundamentally bleeding cash despite its top-line growth. By explicitly modeling the NWC cycle—linking inventory days, receivable days, and payable days to your revenue forecasts—you bring a layer of professional rigor to your valuation. This ensures that your DCF model reflects the reality of the business cycle rather than just the optimism of the income statement.1

Nuance

⚠️ Nuance
A common pitfall is the confusion regarding the algebraic sign in the DCF formula. Analysts often incorrectly subtract an increase in accounts payable, forgetting that an increase in a liability is a source of cash, not a use. Always remember that a positive change in NWC is a cash outflow, while a negative change (or a decrease in NWC) is a cash inflow.

Check Your Understanding

Practice Question 1

An analyst is modeling the free cash flow for a consumer goods company. If the company’s inventory levels increase by ₹50 crore while its accounts payable also increase by ₹30 crore during the year, what is the net impact on the cash flow projection?

Practice Question 2

Why must an analyst explicitly forecast changes in Working Capital when building a DCF model?

This is a companion read for Section 10.5 — Discounted Cash Flows Model for Business Valuation from PASS Research Analyst Certification Examination by Akhilesh Gururani, available on Amazon Kindle.

Copyright © 2026 Akhilesh Gururani. All rights reserved.

  1. Net Working Capital changes are calculated as (Current Assets - Current Liabilities) of the current year minus the corresponding balance of the previous year. ↩︎