CASY vs. MU

Last updated Jun 9, 2026

CASY (Casey's General Stores, Inc.) and MU (Micron Technology, Inc.) are both stocks. CASY operates in Grocery Stores (Consumer Defensive), while MU operates in Semiconductors (Technology). Over the past 10 years, CASY returned 21.03%/yr vs 55.03%/yr for MU. At a 0.20 correlation, their price movements are largely independent.

Performance

CASY vs. MU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Casey's General Stores, Inc. (CASY) and Micron Technology, Inc. (MU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CASY achieves a 36.21% return, which is significantly lower than MU's 232.74% return. Over the past 10 years, CASY has underperformed MU with an annualized return of 21.03%, while MU has yielded a comparatively higher 55.03% annualized return.

CASY

• 1D: -1.35%
• 1M: -12.55%
• YTD: 36.21%
• 6M: 32.89%
• 1Y: 69.92%
• 3Y*: 51.78%
• 5Y*: 30.44%
• 10Y*: 21.03%

MU

• 1D: 9.87%
• 1M: 27.11%
• YTD: 232.74%
• 6M: 284.77%
• 1Y: 776.52%
• 3Y*: 144.94%
• 5Y*: 65.39%
• 10Y*: 55.03%

*Multi-year figures are annualized to reflect compound growth (CAGR)

CASY vs. MU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CASY Casey's General Stores, Inc.	36.21%	40.12%	45.01%	23.27%	14.49%	11.25%	13.24%	25.12%	15.59%	-4.99%
MU Micron Technology, Inc.	232.74%	240.24%	-0.96%	71.93%	-45.93%	24.21%	39.79%	69.49%	-22.84%	87.59%

Correlation

The correlation between CASY and MU is 0.04, 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	0.04
Correlation (3Y) Calculated over the trailing 3-year period	0.11
Correlation (5Y) Calculated over the trailing 5-year period	0.17
Correlation (10Y) Calculated over the trailing 10-year period	0.19
Correlation (All Time) Calculated using the full available price history since May 17, 1989	0.20

The correlation between CASY and MU shifts across timeframes, from 0.04 (1 year) to 0.20 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap CASY : $27.99B MU : $1.08T
EPS CASY : $17.43 MU : $21.26
PE Ratio CASY : 43.12 MU : 44.66
PEG Ratio CASY : 2.82 MU : 0.17
PS Ratio CASY : 1.65 MU : 18.53
Total Revenue (TTM) CASY : $16.98B MU : $58.12B
Gross Profit (TTM) CASY : $3.05B MU : $33.96B
EBITDA (TTM) CASY : $1.37B MU : $25.99B

Return for Risk

CASY vs. MU — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

CASY

CASY Risk / Return Rank: 93
CASY Sharpe Ratio Rank: 94
CASY Sortino Ratio Rank: 95
CASY Omega Ratio Rank: 93
CASY Calmar Ratio Rank: 90
CASY Martin Ratio Rank: 95

MU

MU Risk / Return Rank: 99
MU Sharpe Ratio Rank: 100
MU Sortino Ratio Rank: 99
MU Omega Ratio Rank: 98
MU Calmar Ratio Rank: 100
MU Martin Ratio Rank: 100

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

CASY vs. MU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Casey's General Stores, Inc. (CASY) and Micron Technology, Inc. (MU). 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.

	CASY	MU	Difference
Sharpe ratio: Return per unit of total volatility	2.69	11.44	-8.74
Sortino ratio: Return per unit of downside risk	3.85	6.27	-2.42
Omega ratio: Gain probability vs. loss probability	1.47	1.81	-0.34
Calmar ratio: Return relative to maximum drawdown	4.37	25.90	-21.53
Martin ratio: Return relative to average drawdown	17.80	100.37	-82.58
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CASY vs. MU - Sharpe Ratio Comparison

The current CASY Sharpe Ratio is 2.69, which is lower than the MU Sharpe Ratio of 11.44. The chart below compares the historical Sharpe Ratios of CASY and MU, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	CASY	MU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.69	11.44	-8.74
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.17	1.24	-0.08
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.77	1.11	-0.34
Sharpe Ratio (All Time) Calculated using the full available price history	0.51	0.31	+0.20

Drawdowns

CASY vs. MU - Drawdown Comparison

The maximum CASY drawdown since its inception was -74.32%, smaller than the maximum MU drawdown of -98.25%. Use the drawdown chart below to compare losses from any high point for CASY and MU.

Drawdown Indicators

	CASY	MU	Difference
Max Drawdown Largest peak-to-trough decline	-74.32%	-98.25%	+23.93%
Max Drawdown (1Y) Largest decline over 1 year	-16.07%	-30.28%	+14.21%
Max Drawdown (3Y) Largest decline over 3 years	-16.07%	-57.63%	+41.56%
Max Drawdown (5Y) Largest decline over 5 years	-17.13%	-57.63%	+40.50%
Max Drawdown (10Y) Largest decline over 10 years	-33.41%	-57.63%	+24.22%
Current Drawdown Current decline from peak	-15.39%	-12.07%	-3.32%
Average Drawdown Average peak-to-trough decline	-15.15%	-58.19%	+43.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.94%	7.80%	-3.86%

Volatility

CASY vs. MU - Volatility Comparison

The current volatility for Casey's General Stores, Inc. (CASY) is 8.17%, while Micron Technology, Inc. (MU) has a volatility of 34.16%. This indicates that CASY experiences smaller price fluctuations and is considered to be less risky than MU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CASY	MU	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.17%	34.16%	-25.99%
Volatility (6M) Calculated over the trailing 6-month period	18.70%	56.74%	-38.04%
Volatility (1Y) Calculated over the trailing 1-year period	26.14%	68.70%	-42.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.35%	52.91%	-26.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.40%	49.99%	-22.59%

Dividends

CASY vs. MU - Dividend Comparison

CASY's dividend yield for the trailing twelve months is around 0.30%, more than MU's 0.05% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CASY Casey's General Stores, Inc.	0.30%	0.39%	0.47%	0.59%	0.65%	0.69%	0.72%	0.77%	0.86%	0.89%	0.77%	0.70%
MU Micron Technology, Inc.	0.05%	0.16%	0.55%	0.54%	0.89%	0.21%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

CASY vs. MU - Profitability Comparison

The chart below illustrates the profitability comparison between Casey's General Stores, Inc. and Micron Technology, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

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 0.00 and revenue of 3.92B. Therefore, the gross margin over that period was 0.0%.

MU - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Micron Technology, Inc. reported a gross profit of 17.75B and revenue of 23.86B. Therefore, the gross margin over that period was 74.4%.

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 0.00 and revenue of 3.92B, resulting in an operating margin of 0.0%.

MU - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Micron Technology, Inc. reported an operating income of 16.13B and revenue of 23.86B, resulting in an operating margin of 67.6%.

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 130.07M and revenue of 3.92B, resulting in a net margin of 3.3%.

MU - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Micron Technology, Inc. reported a net income of 13.79B and revenue of 23.86B, resulting in a net margin of 57.8%.

Frequently Asked Questions

Can I hold both CASY and MU in my portfolio?

CASY and MU have a correlation of 0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CASY or MU?

MU has higher volatility (34.16%) compared to CASY (8.17%). In terms of maximum drawdown, CASY dropped -74.32% vs MU's -98.25%.

Which has better risk-adjusted returns?

MU currently has the higher Sharpe Ratio (11.44 vs 2.69), 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.