WalmartCostco

Walmart vs Costco

Global retail leader with grocery and online sales vs Warehouse club with steady membership revenue. Which is the better buy for your portfolio in August 2026? Plain-English answer below.

Walmart runs the world's largest retail operation with $600-billion-plus in annual revenue, a booming advertising business, and a healthcare push, while Costco operates a membership warehouse model th...

Why It’s Moving

Walmart

Walmart’s strong quarter was overshadowed by a softer outlook, putting the stock under pressure.

  • Shares fell after Walmart’s latest quarter showed solid sales and earnings, but investors focused on softer near-term guidance, suggesting momentum could cool after a strong run.
  • The company pointed to a timing shift in a major Flipkart sale as a drag on sales growth, which made the outlook look lighter even as core business trends remained firm.
  • U.S. comparable sales growth appeared to slow, reinforcing concerns that consumer demand is becoming more selective and that Walmart’s value edge may be harder to expand quickly.
Sentiment:
🐻Bearish
Costco

Costco stays on investors’ radar as analysts lean bullish, but valuation keeps the stock in check.

  • Analyst sentiment remains constructive, with Costco still drawing a broad Moderate Buy view from Wall Street, which is helping support the stock after a strong 2026 run.
  • Recent coverage points to expectations for continued earnings growth, suggesting investors are focused on whether Costco can keep translating membership strength and traffic into higher profits.
  • The main overhang is valuation: the shares have already rallied sharply, so even positive analyst commentary has been met with questions about how much upside is left without another clear growth catalyst.
Sentiment:
⚖️Neutral

Investment Analysis

Pros

  • Walmart forecasts 3.75-4.75% sales growth and EPS of $2.52-$2.62 for fiscal 2026.
  • E-commerce sales surged 27% with 33% net income growth, bolstering omnichannel transformation.
  • Past-year stock return reached 25%, outpacing Costco amid diversified revenue streams.

Considerations

  • Forward P/E ratio of 36.02 exceeds its median of 35.58, indicating elevated valuation.
  • Volatility measures 4.60%, higher than Costco's 3.10%, signalling greater price fluctuations.
  • Three-year stock return forecast projects only 4.2%, trailing Costco's 15.5% outlook.
Costco

Costco

COST

Pros

  • Return on invested capital at 33.7% nearly doubles Walmart's 17.1%, reflecting superior efficiency.
  • Membership fees rose 14% in Q4, underpinning predictable recurring revenue growth.
  • Consensus EPS estimate rose to $19.97, implying 11% year-over-year increase for current fiscal year.

Considerations

  • Forward P/E ratio of 45.01 remains elevated despite being below one-year median of 50.39.
  • Past-year stock performance increased only 4.4%, lagging Walmart's stronger momentum.
  • E-commerce growth of 13.6% trails Walmart's 27%, constraining digital scalability.

next-earnings-date-heading

The next earnings date for WMT is November 19, 2026, based on the current published schedule. It is expected to cover the fiscal third quarter of 2027. Walmart typically reports before the market opens, so the timing should be consistent with its usual earnings cadence.

next-earnings-date-heading

The next earnings date for COST is expected on September 24, 2026, after market close. It will cover fiscal Q4 2026 results. Costco’s reporting schedule has typically pointed to late September for this release.

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