WDC vs. IBM
WDC (Western Digital Corporation) and IBM (International Business Machines Corporation) are both stocks. Both are in the Technology sector — WDC in Computer Hardware, IBM in Information Technology Services. Over the past 10 years, WDC returned 32.86%/yr vs 11.34%/yr for IBM. At a 0.30 correlation, their price movements are largely independent.
Performance
WDC vs. IBM - Performance Comparison
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Returns By Period
In the year-to-date period, WDC achieves a 206.10% return, which is significantly higher than IBM's -3.95% return. Over the past 10 years, WDC has outperformed IBM with an annualized return of 32.86%, while IBM has yielded a comparatively lower 11.34% annualized return.
WDC
- 1D
- 2.97%
- 1M
- 9.81%
- YTD
- 206.10%
- 6M
- 210.59%
- 1Y
- 852.85%
- 3Y*
- 160.14%
- 5Y*
- 56.39%
- 10Y*
- 32.86%
IBM
- 1D
- -1.41%
- 1M
- 22.22%
- YTD
- -3.95%
- 6M
- -7.98%
- 1Y
- 7.12%
- 3Y*
- 31.74%
- 5Y*
- 18.84%
- 10Y*
- 11.34%
WDC vs. IBM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
WDC Western Digital Corporation | 206.10% | 283.68% | 13.86% | 65.99% | -51.62% | 17.73% | -10.89% | 77.14% | -51.90% | 19.83% |
IBM International Business Machines Corporation | -3.95% | 38.23% | 39.27% | 21.85% | 10.64% | 16.65% | -1.16% | 23.58% | -22.56% | -3.99% |
Correlation
The correlation between WDC and IBM 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 | 0.19 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.29 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.37 |
Correlation (All Time) Calculated using the full available price history since Jan 5, 1987 | 0.30 |
Over the past year, the correlation between WDC and IBM has dropped to 0.06 - well below their long-term average of 0.30, suggesting their price drivers have been diverging.
Fundamentals
WDC:
$23.29
IBM:
$11.32
WDC:
22.63
IBM:
24.81
WDC:
0.53
IBM:
0.30
WDC:
12.46
IBM:
3.87
WDC:
$11.78B
IBM:
$68.91B
WDC:
$5.35B
IBM:
$40.64B
WDC:
$10.88B
IBM:
$15.71B
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Return for Risk
WDC vs. IBM — Risk / Return Rank
WDC
IBM
WDC vs. IBM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Western Digital Corporation (WDC) and International Business Machines Corporation (IBM). 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 | IBM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +13.15 | ||
| Sortino ratioReturn per unit of downside risk | +6.25 | ||
| Omega ratioGain probability vs. loss probability | 1.94 | 1.07 | +0.86 |
| Calmar ratioReturn relative to maximum drawdown | 41.84 | 0.23 | +41.60 |
| Martin ratioReturn relative to average drawdown | 146.77 | 0.50 | +146.27 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| WDC | IBM | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 13.33 | 0.18 | +13.15 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 1.17 | 0.70 | +0.47 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.68 | 0.43 | +0.25 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.20 | 0.29 | -0.09 |
Drawdowns
WDC vs. IBM - Drawdown Comparison
The maximum WDC drawdown since its inception was -96.20%, which is greater than IBM's maximum drawdown of -69.40%. Use the drawdown chart below to compare losses from any high point for WDC and IBM.
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Drawdown Indicators
| WDC | IBM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.20% | -69.40% | -26.80% |
Max Drawdown (1Y)Largest decline over 1 year | -20.59% | -30.96% | +10.37% |
Max Drawdown (3Y)Largest decline over 3 years | -49.65% | -30.96% | -18.69% |
Max Drawdown (5Y)Largest decline over 5 years | -59.68% | -30.96% | -28.72% |
Max Drawdown (10Y)Largest decline over 10 years | -70.49% | -40.59% | -29.90% |
Current DrawdownCurrent decline from peak | -11.28% | -14.70% | +3.42% |
Average DrawdownAverage peak-to-trough decline | -52.09% | -20.12% | -31.97% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.86% | 14.23% | -8.37% |
Volatility
WDC vs. IBM - Volatility Comparison
Western Digital Corporation (WDC) and International Business Machines Corporation (IBM) have volatilities of 20.86% and 21.84%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| WDC | IBM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 20.86% | 21.84% | -0.98% |
Volatility (6M)Calculated over the trailing 6-month period | 52.91% | 34.54% | +18.37% |
Volatility (1Y)Calculated over the trailing 1-year period | 64.74% | 39.53% | +25.21% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 48.62% | 27.15% | +21.47% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 48.52% | 26.59% | +21.93% |
Dividends
WDC vs. IBM - Dividend Comparison
WDC's dividend yield for the trailing twelve months is around 0.09%, less than IBM's 2.40% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IBM International Business Machines Corporation | 2.40% | 2.27% | 3.03% | 4.05% | 4.68% | 4.74% | 5.17% | 4.80% | 5.46% | 3.85% | 3.31% | 3.63% |
WDC Western Digital Corporation | 0.09% | 0.19% | 0.00% | 0.00% | 0.00% | 0.00% | 1.81% | 2.36% | 5.41% | 2.51% | 2.94% | 3.33% |
Financials
WDC vs. IBM - Financials Comparison
This section allows you to compare key financial metrics between Western Digital Corporation and International Business Machines Corporation. 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
WDC vs. IBM - Profitability Comparison
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%.
IBM - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, International Business Machines Corporation reported a gross profit of 8.95B and revenue of 15.92B. Therefore, the gross margin over that period was 56.2%.
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%.
IBM - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, International Business Machines Corporation reported an operating income of 1.22B and revenue of 15.92B, resulting in an operating margin of 7.6%.
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%.
IBM - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, International Business Machines Corporation reported a net income of 1.22B and revenue of 15.92B, resulting in a net margin of 7.6%.
Frequently Asked Questions
WDC and IBM 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.
IBM has higher volatility (21.84%) compared to WDC (20.86%). In terms of maximum drawdown, WDC dropped -96.20% vs IBM's -69.40%.
WDC currently has the higher Sharpe Ratio (13.33 vs 0.18), 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.
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