ROK vs. UNH
ROK (Rockwell Automation, Inc.) and UNH (UnitedHealth Group Incorporated) are both stocks. ROK operates in Specialty Industrial Machinery (Industrials), while UNH operates in Healthcare Plans (Healthcare). Over the past 10 years, ROK returned 17.73%/yr vs 13.06%/yr for UNH. Their 0.25 correlation means their historical movements had little consistent relationship.
Performance
ROK vs. UNH - Performance Comparison
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Returns By Period
In the year-to-date period, ROK achieves a 24.20% return, which is significantly lower than UNH's 27.23% return. Over the past 10 years, ROK has outperformed UNH with an annualized return of 17.73%, while UNH has yielded a comparatively lower 13.06% annualized return.
ROK
- 1D
- 1.93%
- 1M
- 1.78%
- 6M
- 14.61%
- YTD
- 24.20%
- 1Y
- 41.33%
- 3Y*
- 17.53%
- 5Y*
- 11.17%
- 10Y*
- 17.73%
- ALL TIME*
- 14.21%
UNH
- 1D
- -1.68%
- 1M
- -2.58%
- 6M
- 46.38%
- YTD
- 27.23%
- 1Y
- 78.95%
- 3Y*
- -4.45%
- 5Y*
- 1.88%
- 10Y*
- 13.06%
- ALL TIME*
- 22.97%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $332.04M | $329.97M | $373.52M | |
| $2.03B | $2.36B | $2.61B |
ROK vs. UNH - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ROK Rockwell Automation, Inc. | 24.20% | 38.36% | -6.23% | 22.63% | -24.78% | 41.21% | 26.17% | 37.85% | -21.79% | 48.87% |
UNH UnitedHealth Group Incorporated | 27.23% | -33.14% | -2.41% | 0.80% | 6.94% | 45.20% | 21.25% | 20.00% | 14.52% | 39.83% |
Correlation
The correlation between ROK and UNH is 0.19, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.19 |
Correlation (3Y) Balances recent behavior with more history. | 0.08 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.18 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.27 |
Correlation (All Time) Calculated using the full available price history since Mar 26, 1990 | 0.25 |
The correlation between ROK and UNH shifts across timeframes, from 0.08 (3 years) to 0.27 (10 years), reflecting how their relationship changes across market environments.
Fundamentals
ROK:
$53.42B
UNH:
$376.34B
ROK:
$9.64
UNH:
$15.53
ROK:
49.82
UNH:
26.69
ROK:
6.16
UNH:
0.84
ROK:
15.35
UNH:
3.59
ROK:
$8.80B
UNH:
$450.13B
ROK:
$4.63B
UNH:
$101.21B
ROK:
$1.56B
UNH:
$25.76B
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Return for Risk
ROK vs. UNH — Risk / Return Rank
ROK
UNH
ROK vs. UNH - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Rockwell Automation, Inc. (ROK) and UnitedHealth Group Incorporated (UNH). 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.
| ROK | UNH | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.59 | ||
| Sortino ratioReturn per unit of downside risk | -0.49 | ||
| Omega ratioGain probability vs. loss probability | 1.23 | 1.36 | -0.14 |
| Calmar ratioReturn relative to maximum drawdown | 2.06 | 2.45 | -0.39 |
| Martin ratioReturn relative to average drawdown | 6.38 | 6.01 | +0.37 |
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Drawdowns
ROK vs. UNH - Drawdown Comparison
The maximum ROK drawdown since its inception was -75.83%, roughly equal to the maximum UNH drawdown of -74.37%. Use the drawdown chart below to compare losses from any high point for ROK and UNH.
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Drawdown Indicators
| ROK | UNH | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -75.83% | -74.37% | -1.46% |
Max Drawdown (1Y)Largest decline over 1 year | -18.73% | -28.96% | +10.23% |
Max Drawdown (3Y)Largest decline over 3 years | -29.03% | -61.39% | +32.36% |
Max Drawdown (5Y)Largest decline over 5 years | -45.09% | -61.39% | +16.30% |
Max Drawdown (10Y)Largest decline over 10 years | -45.09% | -61.39% | +16.30% |
Current DrawdownCurrent decline from peak | -3.03% | -30.91% | +27.88% |
Average DrawdownAverage peak-to-trough decline | -14.84% | -14.83% | -0.01% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.05% | 11.78% | -5.73% |
Volatility
ROK vs. UNH - Volatility Comparison
Rockwell Automation, Inc. (ROK) has a higher volatility of 8.11% compared to UnitedHealth Group Incorporated (UNH) at 7.40%. This indicates that ROK's price experiences larger fluctuations and is considered to be riskier than UNH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ROK | UNH | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.11% | 7.40% | +0.71% |
Volatility (6M)Calculated over the trailing 6-month period | 25.05% | 21.69% | +3.36% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.56% | 38.68% | -8.12% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 32.05% | 32.06% | -0.01% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.52% | 30.31% | +1.21% |
Dividends
ROK vs. UNH - Dividend Comparison
ROK's dividend yield for the trailing twelve months is around 1.14%, less than UNH's 2.16% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ROK Rockwell Automation, Inc. | 1.14% | 1.36% | 1.77% | 1.54% | 1.76% | 1.24% | 1.65% | 1.94% | 2.42% | 1.59% | 2.18% | 2.61% |
UNH UnitedHealth Group Incorporated | 2.16% | 2.64% | 1.62% | 1.38% | 1.21% | 1.12% | 1.38% | 1.41% | 1.38% | 1.30% | 1.48% | 1.59% |
Financials
ROK vs. UNH - Financials Comparison
This section allows you to compare key financial metrics between Rockwell Automation, Inc. and UnitedHealth Group Incorporated. 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
ROK vs. UNH - Profitability Comparison
ROK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Rockwell Automation, Inc. reported a gross profit of 1.13B and revenue of 2.24B. Therefore, the gross margin over that period was 50.3%.
UNH - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, UnitedHealth Group Incorporated reported a gross profit of 36.67B and revenue of 112.03B. Therefore, the gross margin over that period was 32.7%.
ROK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Rockwell Automation, Inc. reported an operating income of 467.00M and revenue of 2.24B, resulting in an operating margin of 20.9%.
UNH - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, UnitedHealth Group Incorporated reported an operating income of 7.99B and revenue of 112.03B, resulting in an operating margin of 7.1%.
ROK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Rockwell Automation, Inc. reported a net income of 350.00M and revenue of 2.24B, resulting in a net margin of 15.6%.
UNH - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, UnitedHealth Group Incorporated reported a net income of 5.48B and revenue of 112.03B, resulting in a net margin of 4.9%.
Frequently Asked Questions
ROK and UNH have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ROK has higher volatility (8.11%) compared to UNH (7.40%). In terms of maximum drawdown, ROK dropped -75.83% vs UNH's -74.37%.
UNH currently has the higher Sharpe Ratio (1.86 vs 1.26), 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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