A Relative Valuation
of Amazon
Amazon has been one of the stars in the retail firmament for the last decade and can truly be classified as a business disruptor. The changes that it has wrought and continue to create in the retail business is upending conventional retailers. The stock has been on a tear for much of the last decade as the market capitalization has crested around $150 billion, second only to Wal-Mart among retailers. The conventional wisdom is that Amazon is over valued on an intrinsic value basis, though I am not sure that the conventional wisdom is right. In this valuation, I am focusing purely on relative value. Trading at 1.98 times revenues, Amazon is blessed with high expected revenue growth (20.30%) and slim pre-tax operating margins (1.45%).
A relative valuation, against large US retailers (market cap > $10
billion)
In the first relative valuation, I looked at Amazon against large US retailers. The table below summarizes the EV/Sales, operating margin and expected revenue growth (next 2 years) at these companies (In making my assessments, I converted operating lease commitments into debt and adjusted the operating income accordingly):
| Company
  Name | Market Capitalization | Enterprise Value | EV/Sales | Pre-tax operating margin | Revenue growth | 
| The
  Home Depot, Inc. (NYSE:HD) | $103,934 | $123,357 | 1.57 | 11.94% | 4.72% | 
| Amazon.com Inc. (NasdaqGS:AMZN) | $145,364 | $147,102 | 1.98 | 1.45% | 20.30% | 
| Target
  Corp. (NYSE:TGT) | $37,623 | $53,854 | 0.74 | 5.79% | 3.37% | 
| Lowe's
  Companies Inc. (NYSE:LOW) | $47,516 | $62,083 | 1.16 | 7.83% | 4.59% | 
| Macy's,
  Inc. (NYSE:M) | $21,027 | $25,945 | 0.93 | 10.88% | 2.71% | 
| The
  TJX Companies, Inc. (NYSE:TJX) | $41,018 | $46,411 | 1.69 | 14.45% | 6.86% | 
| Kohl's
  Corp. (NYSE:KSS) | $11,170 | $20,001 | 1.05 | 7.98% | 1.62% | 
| Dollar
  General Corporation (NYSE:DG) | $17,111 | $24,128 | 1.38 | 11.21% | 8.77% | 
| The
  Gap, Inc. (NYSE:GPS) | $16,890 | $22,023 | 1.36 | 17.89% | 4.07% | 
| Genuine
  Parts Company (NYSE:GPC) | $13,048 | $14,281 | 1.01 | 8.31% | 5.03% | 
| Nordstrom
  Inc. (NYSE:JWN) | $11,480 | $15,008 | 1.20 | 10.29% | 7.68% | 
| Bed
  Bath & Beyond Inc. (NasdaqGS:BBBY) | $13,713 | $13,346 | 1.16 | 14.04% | 4.17% | 
| Liberty
  Interactive Corporation (NasdaqGS:LINT.A) | $14,189 | $20,715 | 1.84 | 10.47% | 3.43% | 
| L
  Brands, Inc. (NYSE:LB) | $15,735 | $22,292 | 2.07 | 18.99% | 5.58% | 
| Ross
  Stores Inc. (NasdaqGS:ROST) | $14,714 | $16,413 | 1.60 | 15.45% | 6.48% | 
| AutoZone,
  Inc. (NYSE:AZO) | $17,121 | $22,900 | 2.44 | 17.61% | 4.23% | 
| Dollar
  Tree, Inc. (NasdaqGS:DLTR) | $10,505 | $13,041 | 1.66 | 16.14% | 8.63% | 
| The
  Priceline Group Inc. (NasdaqGS:PCLN) | $60,861 | $61,742 | 9.09 | 36.04% | 22.20% | 
| O'Reilly
  Automotive Inc. (NasdaqGS:ORLY) | $15,215 | $17,974 | 2.70 | 18.03% | 6.84% | 
| Netflix,
  Inc. (NasdaqGS:NFLX) | $19,831 | $19,923 | 4.55 | 5.48% | 20.20% | 
| Tiffany
  & Co. (NYSE:TIF) | $10,929 | $12,754 | 3.16 | 25.28% | 7.49% | 
| TripAdvisor
  Inc. (NasdaqGS:TRIP) | $11,346 | $11,543 | 12.22 | 30.60% | 24.50% | 
| Average |   |   | 2.57 | 14.37% | 8.34% | 
| Median |   |   | 1.63 | 12.99% | 6.03% | 
Amazon trades at a higher multiple than the median for the sector, but it higher revenue growth albeit with lower operating margins. To control for the differences, I ran a regression of EV/Sales against operating margin and revenue growth and obtained the following results:
EV/Sales = -2.03 + 16.92 (Pre-tax operating margin) + 26.01 (Expected Rev Growth)
(5.71) (7.27)
The R-squared of the regression is 88%. Plugging in Amazon's operating margin (1.45%) and revenue growth (20.3%) into the regression, we get a predicted value of 3.50 for Amazon's EV/Sales:
EV/Sales (for Amazon) = -2.03 + 16.92 (.0145) + 26.01 (.203) = 3.50
Amazon looks like it is under valued by about 43.36% against large US retailers.
Amazon under/over value = (1.98/3.50) -1 = -0.4336 or Under valued by 43.36%
A relative valuation against Global Internet retailers
To get a different measure of relative value, I compared Amazon to global internet/catalog retailers in the table below:
| Company
  Name | Market Capitalization | Enterprise Value | Revenues | EV/Sales | Pre-tax operating margin | Revenue growth | 
| Amazon.com
  Inc. (NasdaqGS:AMZN) | $145,364 | $147,102 | $74,452 | 1.98 | 1.45% | 20.30% | 
| Liberty
  Interactive Corporation (NasdaqGS:LINT.A) | $14,189 | $20,715 | $11,252 | 1.84 | 10.47% | 3.43% | 
| Home
  Retail Group plc (LSE:HOME) | $2,751 | $5,736 | $8,571 | 0.67 | -2.02% | 0.00% | 
| The
  Priceline Group Inc. (NasdaqGS:PCLN) | $60,861 | $61,742 | $6,793 | 9.09 | 36.04% | 22.20% | 
| Expedia
  Inc. (NasdaqGS:EXPE) | $9,089 | $9,546 | $4,771 | 2.00 | 12.04% | 14.60% | 
| Netflix,
  Inc. (NasdaqGS:NFLX) | $19,831 | $19,923 | $4,375 | 4.55 | 5.48% | 20.20% | 
| HSN,
  Inc. (NasdaqGS:HSNI) | $2,999 | $3,134 | $3,404 | 0.92 | 8.70% | 4.33% | 
| B2W
  Companhia Digital (BOVESPA:BTOW3) | $1,898 | $3,376 | $2,578 | 1.31 | 5.37% | 21.30% | 
| Groupon, Inc. (NasdaqGS:GRPN) | $4,735 | $3,635 | $2,574 | 1.41 | 4.08% | 19.00% | 
| Vipshop Holdings Limited
  (NYSE:VIPS) | $7,619 | $7,357 | $1,697 | 4.34 | 3.55% | 65.10% | 
| ASOS
  plc (AIM:ASC) | $6,021 | $5,959 | $1,494 | 3.99 | 5.47% | 28.50% | 
| Takkt AG (XTRA:TTK) | $1,363 | $1,795 | $1,312 | 1.37 | 11.09% | 3.80% | 
| Ocado Group PLC
  (LSE:OCDO) | $3,420 | $3,704 | $1,297 | 2.85 | -0.55% | 20.10% | 
| N
  Brown Group plc (LSE:BWNG) | $2,357 | $2,694 | $1,261 | 2.14 | 12.61% | 6.23% | 
| E-Commerce
  China Dangdang Inc. (NYSE:DANG) | $1,015 | $957 | $1,045 | 0.92 | -1.66% | 22.20% | 
| TripAdvisor
  Inc. (NasdaqGS:TRIP) | $11,346 | $11,543 | $945 | 12.22 | 30.60% | 24.50% | 
| Ctrip.com
  International Ltd. (NasdaqGS:CTRP) | $7,408 | $7,308 | $890 | 8.21 | 17.64% | 28.80% | 
| Shutterfly,
  Inc. (NasdaqGS:SFLY) | $1,584 | $1,436 | $784 | 1.83 | 2.21% | 15.70% | 
| zulily,
  Inc. (NasdaqGS:ZU) | $5,703 | $5,494 | $696 | 7.90 | 1.55% | 55.60% | 
| YOOX
  S.p.A. (BIT:YOOX) | $2,027 | $2,011 | $627 | 3.20 | 5.75% | 23.10% | 
| AO
  World Plc (LSE:AO.) | $1,832 | $1,860 | $596 | 3.12 | 1.48% | 0.00% | 
| HomeAway,
  Inc. (NasdaqGS:AWAY) | $3,074 | $2,803 | $347 | 8.09 | 10.95% | 22.50% | 
| RetailMeNot,
  Inc. (NasdaqGS:SALE) | $1,662 | $1,558 | $210 | 7.43 | 27.56% | 25.90% | 
| Coupons.com
  Incorporated (NYSE:COUP) | $1,483 | $1,476 | $168 | 8.79 | -5.07% | 0.00% | 
| Qunar Cayman Islands
  Limited (NasdaqGM:QUNR) | $3,279 | $3,118 | $141 | 22.18 | -18.07% | 65.30% | 
| Trade
  ME Group Ltd. (NZSE:TME) | $1,359 | $1,483 | $139 | 10.69 | 66.98% | 11.00% | 
| Hyundai
  Home Shopping Network Corporation (KOSE:A057050) | $1,812 | $1,799 | $724 | 2.49 | 18.43% | 9.61% | 
| Start
  Today Co., Ltd. (TSE:3092) | $2,407 | $2,392 | $359 | 6.66 | 28.08% | 13.30% | 
| Rakuten, Inc. (TSE:4755) | $15,714 | $15,768 | $4,932 | 3.20 | 18.34% | 12.20% | 
| Liberty
  Ventures (NasdaqGS:LVNT.A) | $4,202 | $5,845 | $945 | 6.18 | -1.16% | 21.30% | 
| CJ
  O Shopping Co., Ltd. (KOSDAQ:A035760) | $1,990 | $2,904 | $2,381 | 1.22 | 10.64% | 8.57% | 
| ASKUL
  Corporation (TSE:2678) | $1,448 | $1,314 | $2,378 | 0.55 | 3.18% | 11.70% | 
| GS
  Home Shopping Inc. (KOSDAQ:A028150) | $1,418 | $1,164 | $994 | 1.17 | 16.11% | 8.88% | 
| Average | 4.68 | 10.52% | 19.07% | |||
| Median | 3.12 | 5.75% | 19.00% | 
Compared to the median value for EV/Sales for this sector, Amazon looks cheap but its revenue growth is close to that of the median company in the sector.
Again, running a regression of EV/Sales against operating margin and revenue growth, I obtained the following:
EV/Sales = 0.51 + 8.38 (Pre-tax operating margin) + 17.24 (Expected Rev Growth)
(1.89) (4.19)
The R-squared of the regression is much lower at 38%. Plugging in Amazon's operating margin (1.45%) and revenue growth (20.3%) into the regression, we get a predicted value of 3.50 for Amazon's EV/Sales:
EV/Sales (for Amazon) = 0.51 + 8.38 (.0145) + 17.24 (.203) = 4.13
Amazon looks like it is under valued by about 52.2% against large US retailers.
Amazon under/over value = (1.98/4.13) -1 = -0.522 or 52.2%