MU vs. WDC

Last updated Apr 1, 2026

Compare and contrast key facts about Micron Technology, Inc. (MU) and Western Digital Corporation (WDC).

Performance

MU vs. WDC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Micron Technology, Inc. (MU) and Western Digital Corporation (WDC). The values are adjusted to include any dividend payments, if applicable.

MU vs. WDC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MU Micron Technology, Inc.	18.42%	240.24%	-0.96%	71.93%	-45.93%	24.21%	39.79%	69.49%	-22.84%	87.59%
WDC Western Digital Corporation	57.09%	283.68%	13.86%	65.99%	-51.62%	17.73%	-10.89%	77.14%	-51.90%	19.83%

Fundamentals

Market Cap MU : $385.14B WDC : $101.70B
EPS MU : $21.30 WDC : $10.25
PE Ratio MU : 15.86 WDC : 26.40
PEG Ratio MU : 0.06 WDC : 0.61
PS Ratio MU : 6.58 WDC : 9.36
PB Ratio MU : 5.32 WDC : 14.30
Total Revenue (TTM) MU : $58.12B WDC : $10.73B
Gross Profit (TTM) MU : $33.96B WDC : $4.59B
EBITDA (TTM) MU : $25.99B WDC : $4.32B

Returns By Period

In the year-to-date period, MU achieves a 18.42% return, which is significantly lower than WDC's 57.09% return. Over the past 10 years, MU has outperformed WDC with an annualized return of 41.16%, while WDC has yielded a comparatively lower 24.36% annualized return.

MU

• 1D: 4.98%
• 1M: -18.04%
• YTD: 18.42%
• 6M: 102.21%
• 1Y: 289.74%
• 3Y*: 78.45%
• 5Y*: 30.25%
• 10Y*: 41.16%

WDC

• 1D: 7.48%
• 1M: -3.25%
• YTD: 57.09%
• 6M: 125.58%
• 1Y: 571.92%
• 3Y*: 112.09%
• 5Y*: 38.17%
• 10Y*: 24.36%

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

Return for Risk

MU vs. WDC — Risk / Return Rank

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

MU

MU Risk / Return Rank: 98
MU Sharpe Ratio Rank: 99
MU Sortino Ratio Rank: 96
MU Omega Ratio Rank: 95
MU Calmar Ratio Rank: 98
MU Martin Ratio Rank: 99

WDC

WDC Risk / Return Rank: 99
WDC Sharpe Ratio Rank: 100
WDC Sortino Ratio Rank: 99
WDC Omega Ratio Rank: 98
WDC Calmar Ratio Rank: 100
WDC 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.

MU vs. WDC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Micron Technology, Inc. (MU) and Western Digital Corporation (WDC). 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.

	MU	WDC	Difference
Sharpe ratio Return per unit of total volatility	4.49	8.71	-4.21
Sortino ratio Return per unit of downside risk	3.83	5.34	-1.51
Omega ratio Gain probability vs. loss probability	1.52	1.79	-0.28
Calmar ratio Return relative to maximum drawdown	9.36	21.14	-11.78
Martin ratio Return relative to average drawdown	31.94	82.57	-50.63
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MU vs. WDC - Sharpe Ratio Comparison

The current MU Sharpe Ratio is 4.49, which is lower than the WDC Sharpe Ratio of 8.71. The chart below compares the historical Sharpe Ratios of MU and WDC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MU	WDC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.49	8.71	-4.21
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.61	0.80	-0.19
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.85	0.51	+0.34
Sharpe Ratio (All Time) Calculated using the full available price history	0.25	0.17	+0.08

Correlation

The correlation between MU and WDC is 0.43, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

MU vs. WDC - Dividend Comparison

MU's dividend yield for the trailing twelve months is around 0.15%, less than WDC's 0.17% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MU Micron Technology, Inc.	0.15%	0.16%	0.55%	0.54%	0.89%	0.21%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
WDC Western Digital Corporation	0.17%	0.19%	0.00%	0.00%	0.00%	0.00%	1.81%	2.36%	5.41%	2.51%	2.94%	3.33%

Drawdowns

MU vs. WDC - Drawdown Comparison

The maximum MU drawdown since its inception was -98.25%, roughly equal to the maximum WDC drawdown of -96.20%. Use the drawdown chart below to compare losses from any high point for MU and WDC.

Drawdown Indicators

	MU	WDC	Difference
Max Drawdown Largest peak-to-trough decline	-98.25%	-96.20%	-2.05%
Max Drawdown (1Y) Largest decline over 1 year	-30.28%	-26.90%	-3.38%
Max Drawdown (5Y) Largest decline over 5 years	-57.63%	-60.85%	+3.22%
Max Drawdown (10Y) Largest decline over 10 years	-57.63%	-70.49%	+12.86%
Current Drawdown Current decline from peak	-26.80%	-14.65%	-12.15%
Average Drawdown Average peak-to-trough decline	-58.46%	-52.32%	-6.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.87%	6.89%	+1.98%

Volatility

MU vs. WDC - Volatility Comparison

The current volatility for Micron Technology, Inc. (MU) is 23.12%, while Western Digital Corporation (WDC) has a volatility of 24.59%. This indicates that MU experiences smaller price fluctuations and is considered to be less risky than WDC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MU	WDC	Difference
Volatility (1M) Calculated over the trailing 1-month period	23.12%	24.59%	-1.47%
Volatility (6M) Calculated over the trailing 6-month period	49.17%	54.62%	-5.45%
Volatility (1Y) Calculated over the trailing 1-year period	65.00%	66.28%	-1.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	49.86%	47.80%	+2.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	48.59%	48.19%	+0.40%

Financials

MU vs. WDC - Profitability Comparison

The chart below illustrates the profitability comparison between Micron Technology, Inc. and Western Digital Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

MU - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 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%.

WDC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Western Digital Corporation reported a gross profit of 1.38B and revenue of 3.02B. Therefore, the gross margin over that period was 45.7%.

MU - Operating Margin

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

WDC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Western Digital Corporation reported an operating income of 963.00M and revenue of 3.02B, resulting in an operating margin of 31.9%.

MU - Net Margin

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

WDC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Western Digital Corporation reported a net income of 1.84B and revenue of 3.02B, resulting in a net margin of 61.1%.