WDC vs. STX

Last updated Apr 1, 2026

Compare and contrast key facts about Western Digital Corporation (WDC) and Seagate Technology plc (STX).

Performance

WDC vs. STX - Performance Comparison

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

WDC vs. STX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WDC Western Digital Corporation	57.09%	283.68%	13.86%	65.99%	-51.62%	17.73%	-10.89%	77.14%	-51.90%	19.83%
STX Seagate Technology plc	42.50%	225.26%	4.06%	69.12%	-51.42%	87.50%	10.14%	62.14%	-2.90%	16.67%

Fundamentals

Market Cap WDC : $101.70B STX : $88.93B
EPS WDC : $10.25 STX : $8.81
PE Ratio WDC : 26.40 STX : 44.48
PEG Ratio WDC : 0.61 STX : 0.53
PS Ratio WDC : 9.36 STX : 8.71
PB Ratio WDC : 14.30 STX : 193.75
Total Revenue (TTM) WDC : $10.73B STX : $10.06B
Gross Profit (TTM) WDC : $4.59B STX : $3.89B
EBITDA (TTM) WDC : $4.32B STX : $2.29B

Returns By Period

In the year-to-date period, WDC achieves a 57.09% return, which is significantly higher than STX's 42.50% return. Over the past 10 years, WDC has underperformed STX with an annualized return of 24.36%, while STX has yielded a comparatively higher 33.65% annualized return.

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%

STX

• 1D: 8.09%
• 1M: -3.78%
• YTD: 42.50%
• 6M: 66.68%
• 1Y: 367.11%
• 3Y*: 85.83%
• 5Y*: 42.29%
• 10Y*: 33.65%

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

Return for Risk

WDC vs. STX — Risk / Return Rank

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

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

STX

STX Risk / Return Rank: 99
STX Sharpe Ratio Rank: 100
STX Sortino Ratio Rank: 98
STX Omega Ratio Rank: 97
STX Calmar Ratio Rank: 99
STX 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.

WDC vs. STX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Western Digital Corporation (WDC) and Seagate Technology plc (STX). 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.

	WDC	STX	Difference
Sharpe ratio Return per unit of total volatility	8.71	5.71	+3.00
Sortino ratio Return per unit of downside risk	5.34	4.64	+0.70
Omega ratio Gain probability vs. loss probability	1.79	1.62	+0.17
Calmar ratio Return relative to maximum drawdown	21.14	16.55	+4.59
Martin ratio Return relative to average drawdown	82.57	46.04	+36.53
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WDC vs. STX - Sharpe Ratio Comparison

The current WDC Sharpe Ratio is 8.71, which is higher than the STX Sharpe Ratio of 5.71. The chart below compares the historical Sharpe Ratios of WDC and STX, 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

	WDC	STX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	8.71	5.71	+3.00
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.80	0.97	-0.16
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.51	0.79	-0.29
Sharpe Ratio (All Time) Calculated using the full available price history	0.17	0.44	-0.27

Correlation

The correlation between WDC and STX is 0.71, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

WDC vs. STX - Dividend Comparison

WDC's dividend yield for the trailing twelve months is around 0.17%, less than STX's 0.75% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
STX Seagate Technology plc	0.75%	1.05%	3.27%	3.28%	5.32%	2.40%	4.21%	4.27%	6.53%	6.02%	6.60%	6.14%

Drawdowns

WDC vs. STX - Drawdown Comparison

The maximum WDC drawdown since its inception was -96.20%, which is greater than STX's maximum drawdown of -88.74%. Use the drawdown chart below to compare losses from any high point for WDC and STX.

Drawdown Indicators

	WDC	STX	Difference
Max Drawdown Largest peak-to-trough decline	-96.20%	-88.74%	-7.46%
Max Drawdown (1Y) Largest decline over 1 year	-26.90%	-22.19%	-4.71%
Max Drawdown (5Y) Largest decline over 5 years	-60.85%	-56.99%	-3.86%
Max Drawdown (10Y) Largest decline over 10 years	-70.49%	-56.99%	-13.50%
Current Drawdown Current decline from peak	-14.65%	-12.12%	-2.53%
Average Drawdown Average peak-to-trough decline	-52.32%	-26.65%	-25.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.89%	7.98%	-1.09%

Volatility

WDC vs. STX - Volatility Comparison

Western Digital Corporation (WDC) has a higher volatility of 24.59% compared to Seagate Technology plc (STX) at 22.02%. This indicates that WDC's price experiences larger fluctuations and is considered to be riskier than STX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WDC	STX	Difference
Volatility (1M) Calculated over the trailing 1-month period	24.59%	22.02%	+2.57%
Volatility (6M) Calculated over the trailing 6-month period	54.62%	53.41%	+1.21%
Volatility (1Y) Calculated over the trailing 1-year period	66.28%	64.78%	+1.50%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	47.80%	43.90%	+3.90%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	48.19%	42.54%	+5.65%

Financials

WDC vs. STX - Profitability Comparison

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

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%.

STX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Seagate Technology plc reported a gross profit of 1.18B and revenue of 2.83B. Therefore, the gross margin over that period was 41.6%.

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%.

STX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Seagate Technology plc reported an operating income of 830.00M and revenue of 2.83B, resulting in an operating margin of 29.4%.

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%.

STX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Seagate Technology plc reported a net income of 593.00M and revenue of 2.83B, resulting in a net margin of 21.0%.