Is There An Opportunity With Stamps.com Inc.'s (NASDAQ:STMP) 44% Undervaluation?

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Today we'll do a simple run through of a valuation method used to estimate the attractiveness of Stamps.com Inc. (NASDAQ:STMP) as an investment opportunity by estimating the company's future cash flows and discounting them to their present value. I will use the Discounted Cash Flow (DCF) model. Don't get put off by the jargon, the math behind it is actually quite straightforward.

Remember though, that there are many ways to estimate a company's value, and a DCF is just one method. If you want to learn more about discounted cash flow, the rationale behind this calculation can be read in detail in the Simply Wall St analysis model.

Check out our latest analysis for Stamps.com

The calculation

We use what is known as a 2-stage model, which simply means we have two different periods of growth rates for the company's cash flows. Generally the first stage is higher growth, and the second stage is a lower growth phase. To begin with, we have to get estimates of the next ten years of cash flows. Where possible we use analyst estimates, but when these aren't available we extrapolate the previous free cash flow (FCF) from the last estimate or reported value. We assume companies with shrinking free cash flow will slow their rate of shrinkage, and that companies with growing free cash flow will see their growth rate slow, over this period. We do this to reflect that growth tends to slow more in the early years than it does in later years.

Generally we assume that a dollar today is more valuable than a dollar in the future, so we discount the value of these future cash flows to their estimated value in today's dollars:

10-year free cash flow (FCF) estimate

2019

2020

2021

2022

2023

2024

2025

2026

2027

2028

Levered FCF ($, Millions)

$76.67

$179.67

$165.31

$157.42

$153.45

$152.00

$152.23

$153.65

$155.90

$158.78

Growth Rate Estimate Source

Analyst x1

Analyst x2

Est @ -7.99%

Est @ -4.77%

Est @ -2.52%

Est @ -0.95%

Est @ 0.16%

Est @ 0.93%

Est @ 1.47%

Est @ 1.85%

Present Value ($, Millions) Discounted @ 12.01%

$68.45

$143.21

$117.65

$100.02

$87.05

$76.98

$68.84

$62.03

$56.19

$51.10

Present Value of 10-year Cash Flow (PVCF)= $831.52m

"Est" = FCF growth rate estimated by Simply Wall St

We now need to calculate the Terminal Value, which accounts for all the future cash flows after this ten year period. For a number of reasons a very conservative growth rate is used that cannot exceed that of a country's GDP growth. In this case we have used the 10-year government bond rate (2.7%) to estimate future growth. In the same way as with the 10-year 'growth' period, we discount future cash flows to today's value, using a cost of equity of 12%.