COST vs AMZN: Which is Better to Buy in 2026?

Side-by-side fundamental comparison based on AI analysis of SEC filings

AI Verdict

COST has stronger fundamentals based on our AI analysis.

COST
COSTCO WHOLESALE CORP /NEW
A
81%
Confidence
VS
AMZN
AMAZON COM INC
A
74%
Confidence

COST vs AMZN Fundamental Comparison

Metric COST AMZN
Revenue $136.9B $181.5B
Net Income $4.0B $90.8B
Net Margin 2.9% 50.0%
ROE 12.6% 20.5%
ROA 4.8% 9.9%
Current Ratio 1.06x 1.18x
Debt/Equity 0.18x 0.28x
EPS $9.08 $2.78

Green = Better metric | Red = Weaker metric

View Full COST Analysis →
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Browse Sectors: Technology Healthcare Finance Energy Consumer Industrial
Stock Lists: Top Rated Undervalued Growth Dividend

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COST vs AMZN: Frequently Asked Questions

Is COST or AMZN the better stock in 2026?

Based on dual AI fundamental analysis (Claude and ChatGPT), COST has stronger fundamentals. COST is graded A (81% confidence) while AMZN is graded A (74% confidence). This is not investment advice.

How does COST compare to AMZN fundamentally?

COSTCO WHOLESALE CORP /NEW has ROE of 12.6% vs AMAZON COM INC's 20.5%. Net margins are 2.9% vs 50.0% respectively.

Which stock pays higher dividends, COST or AMZN?

COST has a dividend yield of N/A or no dividend while AMZN has N/A or no dividend. Check individual stock pages for detailed dividend history and payout ratios.

Should I invest in COST or AMZN for long term?

For long-term investing, consider that COST has a A grade with 81% confidence, while AMZN has a A grade with 74% confidence. Higher confidence indicates more consistent fundamentals from SEC filings. This is not investment advice - always do your own research.

What do the AI models say about COST vs AMZN?

Our dual AI system (Claude by Anthropic and ChatGPT by OpenAI) analyzes SEC 10-K and 10-Q filings independently. For COST vs AMZN, the AI consensus favors COST based on fundamental metrics including revenue growth, profitability, ROE, and balance sheet strength.