SMCI vs. WDC

Last updated Jun 4, 2026

SMCI (Super Micro Computer, Inc.) and WDC (Western Digital Corporation) are both stocks. Both operate in the Computer Hardware industry within the Technology sector. Over the past 10 years, SMCI returned 33.40%/yr vs 34.20%/yr for WDC. At a 0.38 correlation, their price movements are largely independent.

Performance

SMCI vs. WDC - Performance Comparison

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

Returns By Period

In the year-to-date period, SMCI achieves a 62.01% return, which is significantly lower than WDC's 245.04% return. Both investments have delivered pretty close results over the past 10 years, with SMCI having a 33.40% annualized return and WDC not far ahead at 34.20%.

SMCI

• 1D: -5.48%
• 1M: 69.84%
• YTD: 62.01%
• 6M: 40.80%
• 1Y: 9.79%
• 3Y*: 28.80%
• 5Y*: 66.83%
• 10Y*: 33.40%

WDC

• 1D: 5.51%
• 1M: 34.30%
• YTD: 245.04%
• 6M: 282.33%
• 1Y: 1,009.68%
• 3Y*: 169.70%
• 5Y*: 59.21%
• 10Y*: 34.20%

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

SMCI vs. WDC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SMCI Super Micro Computer, Inc.	62.01%	-3.97%	7.23%	246.24%	86.80%	38.82%	31.81%	74.06%	-34.07%	-25.38%
WDC Western Digital Corporation	245.04%	283.68%	13.86%	65.99%	-51.62%	17.73%	-10.89%	77.14%	-51.90%	19.83%

Correlation

The correlation between SMCI and WDC is 0.31, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.31
Correlation (3Y) Calculated over the trailing 3-year period	0.40
Correlation (5Y) Calculated over the trailing 5-year period	0.43
Correlation (10Y) Calculated over the trailing 10-year period	0.39
Correlation (All Time) Calculated using the full available price history since Mar 30, 2007	0.38

The correlation between SMCI and WDC shifts across timeframes, from 0.31 (1 year) to 0.43 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

EPS SMCI : $2.70 WDC : $23.29
PE Ratio SMCI : 17.54 WDC : 25.51
PEG Ratio SMCI : 0.39 WDC : 0.59
PS Ratio SMCI : 0.93 WDC : 14.05
Total Revenue (TTM) SMCI : $33.70B WDC : $11.78B
Gross Profit (TTM) SMCI : $2.83B WDC : $5.35B
EBITDA (TTM) SMCI : $1.47B WDC : $10.88B

Return for Risk

SMCI vs. WDC — Risk / Return Rank

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

SMCI

SMCI Risk / Return Rank: 45
SMCI Sharpe Ratio Rank: 45
SMCI Sortino Ratio Rank: 47
SMCI Omega Ratio Rank: 48
SMCI Calmar Ratio Rank: 44
SMCI Martin Ratio Rank: 43

WDC

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

SMCI vs. WDC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Super Micro Computer, Inc. (SMCI) 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.

	SMCI	WDC	Difference
Sharpe ratio Return per unit of total volatility	0.12	16.12	-15.99
Sortino ratio Return per unit of downside risk	0.75	7.56	-6.81
Omega ratio Gain probability vs. loss probability	1.10	2.05	-0.95
Calmar ratio Return relative to maximum drawdown	0.15	49.55	-49.40
Martin ratio Return relative to average drawdown	0.25	177.25	-177.00
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SMCI vs. WDC - Sharpe Ratio Comparison

The current SMCI Sharpe Ratio is 0.12, which is lower than the WDC Sharpe Ratio of 16.12. The chart below compares the historical Sharpe Ratios of SMCI and WDC, 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

	SMCI	WDC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.12	16.12	-15.99
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.79	1.23	-0.44
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.48	0.71	-0.23
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	0.21	+0.16

Drawdowns

SMCI vs. WDC - Drawdown Comparison

The maximum SMCI drawdown since its inception was -84.84%, smaller than the maximum WDC drawdown of -96.20%. Use the drawdown chart below to compare losses from any high point for SMCI and WDC.

Drawdown Indicators

	SMCI	WDC	Difference
Max Drawdown Largest peak-to-trough decline	-84.84%	-96.20%	+11.36%
Max Drawdown (1Y) Largest decline over 1 year	-66.18%	-20.59%	-45.59%
Max Drawdown (3Y) Largest decline over 3 years	-84.84%	-49.65%	-35.19%
Max Drawdown (5Y) Largest decline over 5 years	-84.84%	-60.85%	-23.99%
Max Drawdown (10Y) Largest decline over 10 years	-84.84%	-70.49%	-14.35%
Current Drawdown Current decline from peak	-60.09%	0.00%	-60.09%
Average Drawdown Average peak-to-trough decline	-31.94%	-52.10%	+20.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	38.80%	5.75%	+33.05%

Volatility

SMCI vs. WDC - Volatility Comparison

Super Micro Computer, Inc. (SMCI) has a higher volatility of 30.41% compared to Western Digital Corporation (WDC) at 17.18%. This indicates that SMCI's price experiences larger fluctuations and is considered to be riskier than WDC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SMCI	WDC	Difference
Volatility (1M) Calculated over the trailing 1-month period	30.41%	17.18%	+13.23%
Volatility (6M) Calculated over the trailing 6-month period	66.39%	51.44%	+14.95%
Volatility (1Y) Calculated over the trailing 1-year period	79.02%	63.33%	+15.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	85.25%	48.32%	+36.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	70.43%	48.38%	+22.05%

Dividends

SMCI vs. WDC - Dividend Comparison

SMCI has not paid dividends to shareholders, while WDC's dividend yield for the trailing twelve months is around 0.08%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SMCI Super Micro Computer, 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%
WDC Western Digital Corporation	0.08%	0.19%	0.00%	0.00%	0.00%	0.00%	1.81%	2.36%	5.41%	2.51%	2.94%	3.33%

Financials

SMCI vs. WDC - Profitability Comparison

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

SMCI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Super Micro Computer, Inc. reported a gross profit of 1.02B and revenue of 10.24B. Therefore, the gross margin over that period was 10.0%.

WDC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Western Digital Corporation reported a gross profit of 1.68B and revenue of 3.34B. Therefore, the gross margin over that period was 50.2%.

SMCI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Super Micro Computer, Inc. reported an operating income of 625.87M and revenue of 10.24B, resulting in an operating margin of 6.1%.

WDC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Western Digital Corporation reported an operating income of 1.14B and revenue of 3.34B, resulting in an operating margin of 34.0%.

SMCI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Super Micro Computer, Inc. reported a net income of 1.02B and revenue of 10.24B, resulting in a net margin of 9.9%.

WDC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Western Digital Corporation reported a net income of 3.21B and revenue of 3.34B, resulting in a net margin of 96.0%.

Frequently Asked Questions

Can I hold both SMCI and WDC in my portfolio?

SMCI and WDC have a correlation of 0.31, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SMCI or WDC?

SMCI has higher volatility (30.41%) compared to WDC (17.18%). In terms of maximum drawdown, SMCI dropped -84.84% vs WDC's -96.20%.

Which has better risk-adjusted returns?

WDC currently has the higher Sharpe Ratio (16.12 vs 0.12), 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.