AMZN vs. CASY
AMZN (Amazon.com, Inc) and CASY (Casey's General Stores, Inc.) are both stocks. AMZN operates in Internet Retail (Consumer Cyclical), while CASY operates in Grocery Stores (Consumer Defensive). Over the past 10 years, AMZN returned 20.83%/yr vs 23.37%/yr for CASY. At a 0.25 correlation, their price movements are largely independent.
Performance
AMZN vs. CASY - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, AMZN achieves a 3.35% return, which is significantly lower than CASY's 62.22% return. Over the past 10 years, AMZN has underperformed CASY with an annualized return of 20.83%, while CASY has yielded a comparatively higher 23.37% annualized return.
AMZN
- 1D
- -1.23%
- 1M
- -9.69%
- YTD
- 3.35%
- 6M
- 5.46%
- 1Y
- 12.47%
- 3Y*
- 23.49%
- 5Y*
- 7.35%
- 10Y*
- 20.83%
CASY
- 1D
- -2.31%
- 1M
- 4.97%
- YTD
- 62.22%
- 6M
- 66.01%
- 1Y
- 77.53%
- 3Y*
- 60.28%
- 5Y*
- 34.73%
- 10Y*
- 23.37%
AMZN vs. CASY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AMZN Amazon.com, Inc | 3.35% | 5.21% | 44.39% | 80.88% | -49.62% | 2.38% | 76.26% | 23.03% | 28.43% | 55.96% |
CASY Casey's General Stores, Inc. | 62.22% | 40.12% | 45.01% | 23.27% | 14.49% | 11.25% | 13.24% | 25.12% | 15.59% | -4.99% |
Correlation
The correlation between AMZN and CASY is 0.06, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.06 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.15 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.18 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.17 |
Correlation (All Time) Calculated using the full available price history since May 15, 1997 | 0.25 |
The correlation between AMZN and CASY shifts across timeframes, from 0.06 (1 year) to 0.25 (all time), reflecting how their relationship changes across market environments.
Fundamentals
AMZN:
$2.59T
CASY:
$33.29B
AMZN:
$8.37
CASY:
$19.17
AMZN:
28.50
CASY:
46.69
AMZN:
0.69
CASY:
2.23
AMZN:
3.48
CASY:
1.90
AMZN:
5.87
CASY:
8.42
AMZN:
$742.78B
CASY:
$17.56B
AMZN:
$348.59B
CASY:
$4.32B
AMZN:
$152.71B
CASY:
$1.58B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
AMZN vs. CASY — Risk / Return Rank
AMZN
CASY
AMZN vs. CASY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Amazon.com, Inc (AMZN) and Casey's General Stores, Inc. (CASY). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| AMZN | CASY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.12 | ||
| Sortino ratioReturn per unit of downside risk | -3.42 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.51 | -0.42 |
| Calmar ratioReturn relative to maximum drawdown | 0.55 | 4.83 | -4.28 |
| Martin ratioReturn relative to average drawdown | 1.29 | 19.15 | -17.86 |
Loading charts...
Drawdowns
AMZN vs. CASY - Drawdown Comparison
The maximum AMZN drawdown since its inception was -94.40%, which is greater than CASY's maximum drawdown of -74.32%. Use the drawdown chart below to compare losses from any high point for AMZN and CASY.
Loading charts...
Drawdown Indicators
| AMZN | CASY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -94.40% | -74.32% | -20.08% |
Max Drawdown (1Y)Largest decline over 1 year | -21.74% | -16.07% | -5.67% |
Max Drawdown (3Y)Largest decline over 3 years | -30.88% | -16.07% | -14.81% |
Max Drawdown (5Y)Largest decline over 5 years | -56.15% | -17.13% | -39.02% |
Max Drawdown (10Y)Largest decline over 10 years | -56.15% | -33.41% | -22.74% |
Current DrawdownCurrent decline from peak | -13.25% | -2.31% | -10.94% |
Average DrawdownAverage peak-to-trough decline | -28.19% | -15.15% | -13.04% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.21% | 4.05% | +5.16% |
Volatility
AMZN vs. CASY - Volatility Comparison
The current volatility for Amazon.com, Inc (AMZN) is 7.92%, while Casey's General Stores, Inc. (CASY) has a volatility of 20.67%. This indicates that AMZN experiences smaller price fluctuations and is considered to be less risky than CASY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| AMZN | CASY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.92% | 20.67% | -12.75% |
Volatility (6M)Calculated over the trailing 6-month period | 20.73% | 25.59% | -4.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.13% | 30.95% | -0.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 35.53% | 27.79% | +7.74% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 32.48% | 28.13% | +4.35% |
Dividends
AMZN vs. CASY - Dividend Comparison
AMZN has not paid dividends to shareholders, while CASY's dividend yield for the trailing twelve months is around 0.25%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AMZN Amazon.com, Inc | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
CASY Casey's General Stores, Inc. | 0.25% | 0.39% | 0.47% | 0.59% | 0.65% | 0.69% | 0.72% | 0.77% | 0.86% | 0.89% | 0.77% | 0.70% |
Financials
AMZN vs. CASY - Financials Comparison
This section allows you to compare key financial metrics between Amazon.com, Inc and Casey's General Stores, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
AMZN vs. CASY - Profitability Comparison
AMZN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Amazon.com, Inc reported a gross profit of 66.77B and revenue of 181.52B. Therefore, the gross margin over that period was 36.8%.
CASY - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Casey's General Stores, Inc. reported a gross profit of 1.19B and revenue of 4.57B. Therefore, the gross margin over that period was 26.0%.
AMZN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Amazon.com, Inc reported an operating income of 23.85B and revenue of 181.52B, resulting in an operating margin of 13.1%.
CASY - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Casey's General Stores, Inc. reported an operating income of 3.13B and revenue of 4.57B, resulting in an operating margin of 68.5%.
AMZN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Amazon.com, Inc reported a net income of 30.26B and revenue of 181.52B, resulting in a net margin of 16.7%.
CASY - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Casey's General Stores, Inc. reported a net income of 162.68M and revenue of 4.57B, resulting in a net margin of 3.6%.
Frequently Asked Questions
AMZN and CASY have a correlation of 0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CASY has higher volatility (20.67%) compared to AMZN (7.92%). In terms of maximum drawdown, AMZN dropped -94.40% vs CASY's -74.32%.
CASY currently has the higher Sharpe Ratio (2.51 vs 0.40), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for AMZN and CASY
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer