CAH vs. WDC
CAH (Cardinal Health, Inc.) and WDC (Western Digital Corporation) are both stocks. CAH operates in Medical Distribution (Healthcare), while WDC operates in Computer Hardware (Technology). Over the past 10 years, CAH returned 13.19%/yr vs 32.86%/yr for WDC. At a 0.19 correlation, their price movements are largely independent.
Performance
CAH vs. WDC - Performance Comparison
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Returns By Period
In the year-to-date period, CAH achieves a -0.01% return, which is significantly lower than WDC's 206.10% return. Over the past 10 years, CAH has underperformed WDC with an annualized return of 13.19%, while WDC has yielded a comparatively higher 32.86% annualized return.
CAH
- 1D
- -0.60%
- 1M
- 11.34%
- YTD
- -0.01%
- 6M
- 3.32%
- 1Y
- 33.66%
- 3Y*
- 35.29%
- 5Y*
- 31.41%
- 10Y*
- 13.19%
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%
CAH vs. WDC - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
CAH Cardinal Health, Inc. | -0.01% | 76.25% | 19.01% | 34.15% | 54.08% | -0.40% | 10.09% | 18.04% | -24.50% | -12.65% |
WDC Western Digital Corporation | 206.10% | 283.68% | 13.86% | 65.99% | -51.62% | 17.73% | -10.89% | 77.14% | -51.90% | 19.83% |
Correlation
The correlation between CAH and WDC is -0.02, 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 | -0.02 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.04 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.15 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.23 |
Correlation (All Time) Calculated using the full available price history since Dec 31, 1987 | 0.19 |
The correlation between CAH and WDC shifts across timeframes, from -0.02 (1 year) to 0.23 (10 years), reflecting how their relationship changes across market environments.
Fundamentals
CAH:
$6.55
WDC:
$23.29
CAH:
31.22
WDC:
22.63
CAH:
0.74
WDC:
0.53
CAH:
0.19
WDC:
12.46
CAH:
$250.55B
WDC:
$11.78B
CAH:
$9.23B
WDC:
$5.35B
CAH:
$2.79B
WDC:
$10.88B
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Return for Risk
CAH vs. WDC — Risk / Return Rank
CAH
WDC
CAH vs. WDC - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Cardinal Health, Inc. (CAH) 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.
| CAH | WDC | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -12.20 | ||
| Sortino ratioReturn per unit of downside risk | -4.85 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.94 | -0.68 |
| Calmar ratioReturn relative to maximum drawdown | 1.66 | 41.84 | -40.18 |
| Martin ratioReturn relative to average drawdown | 4.37 | 146.77 | -142.40 |
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
| CAH | WDC | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.13 | 13.33 | -12.20 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 1.25 | 1.17 | +0.09 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.45 | 0.68 | -0.23 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.56 | 0.20 | +0.36 |
Drawdowns
CAH vs. WDC - Drawdown Comparison
The maximum CAH drawdown since its inception was -61.93%, smaller than the maximum WDC drawdown of -96.20%. Use the drawdown chart below to compare losses from any high point for CAH and WDC.
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Drawdown Indicators
| CAH | WDC | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -61.93% | -96.20% | +34.27% |
Max Drawdown (1Y)Largest decline over 1 year | -20.42% | -20.59% | +0.17% |
Max Drawdown (3Y)Largest decline over 3 years | -20.42% | -49.65% | +29.23% |
Max Drawdown (5Y)Largest decline over 5 years | -22.80% | -59.68% | +36.88% |
Max Drawdown (10Y)Largest decline over 10 years | -46.13% | -70.49% | +24.36% |
Current DrawdownCurrent decline from peak | -10.83% | -11.28% | +0.45% |
Average DrawdownAverage peak-to-trough decline | -15.94% | -52.09% | +36.15% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.72% | 5.86% | +1.86% |
Volatility
CAH vs. WDC - Volatility Comparison
The current volatility for Cardinal Health, Inc. (CAH) is 6.59%, while Western Digital Corporation (WDC) has a volatility of 20.86%. This indicates that CAH 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.
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Volatility by Period
| CAH | WDC | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.59% | 20.86% | -14.27% |
Volatility (6M)Calculated over the trailing 6-month period | 19.73% | 52.91% | -33.18% |
Volatility (1Y)Calculated over the trailing 1-year period | 29.99% | 64.74% | -34.75% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.19% | 48.62% | -23.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 29.23% | 48.52% | -19.29% |
Dividends
CAH vs. WDC - Dividend Comparison
CAH's dividend yield for the trailing twelve months is around 1.00%, more than WDC's 0.09% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CAH Cardinal Health, Inc. | 1.00% | 0.99% | 1.28% | 1.98% | 2.57% | 3.80% | 3.62% | 3.80% | 4.24% | 3.00% | 2.41% | 1.68% |
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
CAH vs. WDC - Financials Comparison
This section allows you to compare key financial metrics between Cardinal Health, Inc. and Western Digital 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
CAH vs. WDC - Profitability Comparison
CAH - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Cardinal Health, Inc. reported a gross profit of 2.50B and revenue of 60.94B. Therefore, the gross margin over that period was 4.1%.
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%.
CAH - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Cardinal Health, Inc. reported an operating income of 509.00M and revenue of 60.94B, resulting in an operating margin of 0.8%.
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%.
CAH - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Cardinal Health, Inc. reported a net income of 399.00M and revenue of 60.94B, resulting in a net margin of 0.7%.
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
CAH and WDC have a correlation of -0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
WDC has higher volatility (20.86%) compared to CAH (6.59%). In terms of maximum drawdown, CAH dropped -61.93% vs WDC's -96.20%.
WDC currently has the higher Sharpe Ratio (13.33 vs 1.13), 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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