MCK vs. WMB
MCK (McKesson Corporation) and WMB (The Williams Companies, Inc.) are both stocks. MCK operates in Medical Distribution (Healthcare), while WMB operates in Oil & Gas Midstream (Energy). Over the past 10 years, MCK returned 16.64%/yr vs 19.28%/yr for WMB. At a 0.25 correlation, their price movements are largely independent.
Performance
MCK vs. WMB - Performance Comparison
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Returns By Period
In the year-to-date period, MCK achieves a -4.23% return, which is significantly lower than WMB's 21.67% return. Over the past 10 years, MCK has underperformed WMB with an annualized return of 16.64%, while WMB has yielded a comparatively higher 19.28% annualized return.
MCK
- 1D
- -0.40%
- 1M
- 3.20%
- YTD
- -4.23%
- 6M
- -3.47%
- 1Y
- 8.11%
- 3Y*
- 26.04%
- 5Y*
- 32.74%
- 10Y*
- 16.64%
WMB
- 1D
- 1.39%
- 1M
- -6.57%
- YTD
- 21.67%
- 6M
- 22.42%
- 1Y
- 24.40%
- 3Y*
- 38.58%
- 5Y*
- 26.67%
- 10Y*
- 19.28%
MCK vs. WMB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MCK McKesson Corporation | -4.23% | 44.54% | 23.67% | 24.13% | 51.82% | 44.23% | 27.06% | 26.72% | -28.40% | 11.95% |
WMB The Williams Companies, Inc. | 21.67% | 14.91% | 62.35% | 11.86% | 32.83% | 38.36% | -8.20% | 14.18% | -23.88% | 2.02% |
Correlation
The correlation between MCK and WMB is 0.11, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.11 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.12 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.21 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.25 |
Correlation (All Time) Calculated using the full available price history since Nov 15, 1994 | 0.25 |
The correlation between MCK and WMB shifts across timeframes, from 0.11 (1 year) to 0.25 (all time), reflecting how their relationship changes across market environments.
Fundamentals
MCK:
$96.20B
WMB:
$88.15B
MCK:
$38.38
WMB:
$2.28
MCK:
20.43
WMB:
31.55
MCK:
0.27
WMB:
1.64
MCK:
0.24
WMB:
7.39
MCK:
13.91
WMB:
6.80
MCK:
$403.43B
WMB:
$11.92B
MCK:
$14.55B
WMB:
$7.49B
MCK:
$6.91B
WMB:
$6.88B
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Return for Risk
MCK vs. WMB — Risk / Return Rank
MCK
WMB
MCK vs. WMB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for McKesson Corporation (MCK) and The Williams Companies, Inc. (WMB). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| MCK | WMB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.82 | ||
| Sortino ratioReturn per unit of downside risk | -0.92 | ||
| Omega ratioGain probability vs. loss probability | 1.08 | 1.20 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | 0.29 | 2.02 | -1.73 |
| Martin ratioReturn relative to average drawdown | 0.74 | 4.27 | -3.53 |
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Drawdowns
MCK vs. WMB - Drawdown Comparison
The maximum MCK drawdown since its inception was -82.84%, smaller than the maximum WMB drawdown of -98.03%. Use the drawdown chart below to compare losses from any high point for MCK and WMB.
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Drawdown Indicators
| MCK | WMB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -82.84% | -98.03% | +15.19% |
Max Drawdown (1Y)Largest decline over 1 year | -27.17% | -12.36% | -14.81% |
Max Drawdown (3Y)Largest decline over 3 years | -27.17% | -12.36% | -14.81% |
Max Drawdown (5Y)Largest decline over 5 years | -27.17% | -23.01% | -4.16% |
Max Drawdown (10Y)Largest decline over 10 years | -44.23% | -68.08% | +23.85% |
Current DrawdownCurrent decline from peak | -21.17% | -8.55% | -12.62% |
Average DrawdownAverage peak-to-trough decline | -28.64% | -27.07% | -1.57% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 10.40% | 5.82% | +4.58% |
Volatility
MCK vs. WMB - Volatility Comparison
The current volatility for McKesson Corporation (MCK) is 6.47%, while The Williams Companies, Inc. (WMB) has a volatility of 7.36%. This indicates that MCK experiences smaller price fluctuations and is considered to be less risky than WMB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MCK | WMB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.47% | 7.36% | -0.89% |
Volatility (6M)Calculated over the trailing 6-month period | 22.74% | 15.58% | +7.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 29.14% | 23.00% | +6.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.19% | 23.62% | +0.57% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 28.82% | 30.95% | -2.13% |
Dividends
MCK vs. WMB - Dividend Comparison
MCK's dividend yield for the trailing twelve months is around 0.42%, less than WMB's 3.54% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MCK McKesson Corporation | 0.42% | 0.37% | 0.47% | 0.50% | 0.54% | 0.72% | 0.95% | 1.16% | 1.32% | 0.80% | 0.80% | 0.53% |
WMB The Williams Companies, Inc. | 2.84% | 3.33% | 3.51% | 5.14% | 5.17% | 6.30% | 7.98% | 6.41% | 6.17% | 3.94% | 5.39% | 9.53% |
Financials
MCK vs. WMB - Financials Comparison
This section allows you to compare key financial metrics between McKesson Corporation and The Williams Companies, Inc.. 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
MCK vs. WMB - Profitability Comparison
MCK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, McKesson Corporation reported a gross profit of 4.04B and revenue of 96.30B. Therefore, the gross margin over that period was 4.2%.
WMB - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, The Williams Companies, Inc. reported a gross profit of 2.49B and revenue of 3.03B. Therefore, the gross margin over that period was 82.1%.
MCK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, McKesson Corporation reported an operating income of 2.09B and revenue of 96.30B, resulting in an operating margin of 2.2%.
WMB - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, The Williams Companies, Inc. reported an operating income of 1.32B and revenue of 3.03B, resulting in an operating margin of 43.6%.
MCK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, McKesson Corporation reported a net income of 1.68B and revenue of 96.30B, resulting in a net margin of 1.8%.
WMB - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, The Williams Companies, Inc. reported a net income of 865.00M and revenue of 3.03B, resulting in a net margin of 28.6%.
Frequently Asked Questions
MCK and WMB have a correlation of 0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
WMB has higher volatility (7.36%) compared to MCK (6.47%). In terms of maximum drawdown, MCK dropped -82.84% vs WMB's -98.03%.
WMB currently has the higher Sharpe Ratio (1.08 vs 0.27), 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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