CART vs KR vs WMT vs AMZN

For growth investors, Amazon.

com, Inc. (AMZN) is the stronger pick with 12. 4% revenue growth year-over-year, versus 0. 4% for The Kroger Co. (KR). Instacart (Maplebear Inc. ) (CART) offers the better valuation at 23. 7x trailing P/E (15. 8x forward), making it the more compelling value choice. Analysts rate Instacart (Maplebear Inc. ) (CART) a "Buy" — based on 26 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Instacart (Maplebear Inc.

) (CART) is the cheapest at 23. 7x versus Walmart Inc. at 47. 7x. On forward P/E, The Kroger Co. is actually cheaper at 12. 7x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Amazon. com, Inc. wins at 1. 24x versus Walmart Inc. 's 4. 06x — a reasonable growth-adjusted valuation.

Over the past 5 years, Walmart Inc.

(WMT) delivered a total return of +186. 9%, compared to +12. 7% for Instacart (Maplebear Inc. ) (CART). Over 10 years, the gap is even starker: AMZN returned +697. 8% versus CART's +12. 7%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), The Kroger Co.

(KR) is the lower-risk stock at -0. 64β versus Amazon. com, Inc. 's 1. 51β — meaning AMZN is approximately -336% more volatile than KR relative to the S&P 500. On balance sheet safety, Instacart (Maplebear Inc. ) (CART) carries a lower debt/equity ratio of 1% versus 4% for The Kroger Co. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Amazon.

com, Inc. (AMZN) is pulling ahead at 12. 4% versus 0. 4% for The Kroger Co. (KR). On earnings-per-share growth, the picture is similar: Amazon. com, Inc. grew EPS 29. 7% year-over-year, compared to -58. 0% for The Kroger Co.. Over a 3-year CAGR, CART leads at 13. 6% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Instacart (Maplebear Inc.

) (CART) is the more profitable company, earning 11. 9% net margin versus 0. 7% for The Kroger Co. — meaning it keeps 11. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: CART leads at 15. 4% versus 1. 3% for KR. At the gross margin level — before operating expenses — CART leads at 73. 6%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Amazon. com, Inc. (AMZN) is the more undervalued stock at a PEG of 1. 24x versus Walmart Inc. 's 4. 06x. A PEG below 1. 5 suggests fair-to-attractive pricing relative to expected growth. On forward earnings alone, The Kroger Co. (KR) trades at 12. 7x forward P/E versus 44. 7x for Walmart Inc. — 32. 0x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for CART: 30. 8% to $49. 70.

In this comparison, KR (2.

0% yield), WMT (0. 7% yield) pay a dividend. CART, AMZN do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, The Kroger Co.

(KR) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β -0. 64), 2. 0% yield, +108. 7% 10Y return). Amazon. com, Inc. (AMZN) carries a higher beta of 1. 51 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (KR: +108. 7%, AMZN: +697. 8%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (CART (Consumer Cyclical) and KR (Consumer Defensive) and WMT (Consumer Defensive) and AMZN (Consumer Cyclical)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

KR, WMT pay a dividend while CART, AMZN do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.