CSTL vs AMZN: Which Stock is Better?
Side-by-side comparison of Castle Biosciences Inc and Amazon.com Inc in 2026
CSTL
Castle Biosciences Inc
$33.21
AMZN
Amazon.com Inc
$255.23
Key Metrics Comparison
| Metric | CSTL | AMZN | Winner |
|---|---|---|---|
| Market Cap | $570.23M | $2.55T | AMZN |
| P/E Ratio | N/A | 34.86 | AMZN |
| EPS (TTM) | $N/A | $7.07 | AMZN |
| Revenue Growth | 0.0% | 13.4% | AMZN |
| Gross Margin | 0.0% | 50.3% | AMZN |
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Frequently Asked Questions
Is CSTL or AMZN a better investment?
Comparing CSTL and AMZN: Castle Biosciences Inc has a market cap of $570.23M while Amazon.com Inc has $2.55T. Both companies have their strengths - use our detailed metrics comparison to make an informed decision.
What is the difference between CSTL and AMZN?
CSTL (Castle Biosciences Inc) and AMZN (Amazon.com Inc) differ in valuation, growth rates, and profitability metrics. Our comparison shows which company leads in each category.
Which stock has better value: CSTL or AMZN?
Based on P/E ratios, compare detailed valuation metrics on our dashboard.
Which is growing faster: CSTL or AMZN?
AMZN has higher revenue growth at 13.4% vs 0.0% for CSTL.
Which company is more profitable: CSTL or AMZN?
Amazon.com Inc (AMZN) has higher gross margins at 50.3% compared to 0.0% for CSTL.
Which is the larger company: CSTL or AMZN?
Amazon.com Inc (AMZN) is larger with a market cap of $2.55T compared to $570.23M for CSTL.
Should I buy CSTL or AMZN in 2026?
Both CSTL and AMZN have investment merit. CSTL trades at $33.21 while AMZN trades at $255.23. Consider your investment goals, risk tolerance, and portfolio diversification before deciding. Our AI analysis tools can provide personalized insights.
What are the key differences between CSTL and AMZN stock?
Key differences: Market Cap ($570.23M vs $2.55T), P/E Ratio (N/A vs 34.9x), Revenue Growth (0.0% vs 13.4%), Gross Margin (0.0% vs 50.3%).
Should I buy CSTL or AMZN in 2026?
The choice between CSTL and AMZN depends on your investment goals. AMZN shows higher revenue growth (13.4%). AMZN has better margins (50.3%). Consider your risk tolerance and time horizon.
What is the market cap comparison between CSTL and AMZN?
CSTL (Castle Biosciences Inc) has a market cap of $570.23M, while AMZN (Amazon.com Inc) has a market cap of $2.55T. AMZN is the larger company by market value.