Amar Kakaria – FCA, ACS, AICWA

Despite being one of the most complex methods of stock valuation, Discounted Cash Flow (DCF) analysis gained wide popularity following the Great Stock Market Crash of 1929. Though DCF calculation has been used in some form or other since ancient times, it was formally expressed in modern economic terms for the first time by Mr Irving Fisher in his book “The Theory of Interest” in 1930.

Discounted Cash Flow method is generally used to estimate the attractiveness of an investment opportunity. Analysts usually discount projected cash flows at Weighted Average Cost of Capital (WACC) to determine the Net Present Value (NPV) of a particular project, using the following formula:

CF       = Annual Cash Flow

r           = Discount Rate (WACC)

Estimated cashflows include all types of inflows and outflows related to the project considered for valuation. Generally it is assumed that the enterprise will run till infinity and hence, cashflows also need to be projected accordingly. However, instead of projecting the cash flows till infinity, a terminal value approach can be used. A simple annuity can be used to estimate the terminal value after certain years.

WACC is the overall required return on the company as a whole and usually, calculated as per Capital Asset Pricing Model (CAPM). It is the average of the costs of company’s sources of financing viz. capital and debt, each of which is weighted by its proportionate use in the given situation.

As a thumb rule, if the net present value calculated using DCF analysis is higher than the current cost of the investment, it is believed to be a good opportunity and vice-versa. Given the fact that the Management is well-verse with the business, their guidance about future performance carries substantial weightage while arriving at the enterprise valuation. Since DCF relies upon management projections to calculate the enterprise value, it is considered to be one of the most scientific and reliable methods of valuations. DCF is regularly used in corporate finance management, real estate development as well as investment finance wherein future projections are likely to be somewhat more certain.

However, we must understand that there are many complexities and variations while projecting future cashflows as well as determining WACC. As the time lapses, it is even more difficult to have a more realistic estimate of the future cashflows. Sometimes, DCF can be merely a mechanical tool which may not be suitably applied for real-life situation. Further, one need to extremely cautious while using this tool because small changes in input can make huge difference in valuation of the enterprise.

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  1. anuradha says:

    Can anyone suggest me the method of calculation of DCF of a newly incorporated private co dealing in service sector. what should be taken as its cash flow and PV factor.

  2. ABHISHEK says:

    good article mr. Amar. I would like to add a litle concept that it’s very important that while calculating the discounted value the “NATURE” of cashflow AND THE DISCOUNT RATE used are wacc as a discount rate is good for the firm cashflow as wacc incorporates the overall risk peception of the firm as a whole. however to calculate cashflow from equity we can’t apply wacc but Ke(cost of equity).it can also be said as “NOMINAL DISCOUNT RATE” FOR NOMINAL CASHFLOW AND “real discount rate” for cash flow in real terms.

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October 2021