ROK vs. SIEGY
ROK (Rockwell Automation, Inc.) and SIEGY (Siemens Aktiengesellschaft) are both stocks. Both operate in the Specialty Industrial Machinery industry within the Industrials sector. Over the past 10 years, ROK returned 16.64%/yr vs 15.70%/yr for SIEGY. A 0.52 correlation means they provide meaningful diversification when combined.
Performance
ROK vs. SIEGY - Performance Comparison
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Returns By Period
In the year-to-date period, ROK achieves a 16.85% return, which is significantly higher than SIEGY's 12.35% return. Over the past 10 years, ROK has outperformed SIEGY with an annualized return of 16.64%, while SIEGY has yielded a comparatively lower 15.70% annualized return.
ROK
- 1D
- 1.11%
- 1M
- -0.18%
- YTD
- 16.85%
- 6M
- 13.03%
- 1Y
- 41.23%
- 3Y*
- 15.84%
- 5Y*
- 11.97%
- 10Y*
- 16.64%
SIEGY
- 1D
- 0.66%
- 1M
- -1.90%
- YTD
- 12.35%
- 6M
- 15.52%
- 1Y
- 25.84%
- 3Y*
- 24.82%
- 5Y*
- 15.96%
- 10Y*
- 15.70%
ROK vs. SIEGY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ROK Rockwell Automation, Inc. | 16.85% | 38.36% | -6.23% | 22.63% | -24.78% | 41.21% | 26.17% | 37.85% | -21.79% | 48.87% |
SIEGY Siemens Aktiengesellschaft | 12.35% | 48.14% | 6.32% | 39.98% | -18.92% | 22.99% | 23.99% | 19.10% | -17.30% | 21.90% |
Correlation
The correlation between ROK and SIEGY is 0.53, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.53 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.52 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.54 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.52 |
Correlation (All Time) Calculated using the full available price history since May 19, 2014 | 0.52 |
The correlation between ROK and SIEGY has been stable across timeframes, ranging from 0.52 to 0.54 - a consistent structural relationship.
Fundamentals
ROK:
$50.86B
SIEGY:
$242.00B
ROK:
$9.63
SIEGY:
$4.91
ROK:
46.88
SIEGY:
31.36
ROK:
5.79
SIEGY:
3.04
ROK:
14.44
SIEGY:
3.75
ROK:
$8.80B
SIEGY:
$80.02B
ROK:
$4.63B
SIEGY:
$31.09B
ROK:
$1.56B
SIEGY:
$14.55B
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Return for Risk
ROK vs. SIEGY — Risk / Return Rank
ROK
SIEGY
ROK vs. SIEGY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Rockwell Automation, Inc. (ROK) and Siemens Aktiengesellschaft (SIEGY). 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.
| ROK | SIEGY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.66 | ||
| Sortino ratioReturn per unit of downside risk | +0.88 | ||
| Omega ratioGain probability vs. loss probability | 1.26 | 1.16 | +0.10 |
| Calmar ratioReturn relative to maximum drawdown | 2.21 | 1.12 | +1.09 |
| Martin ratioReturn relative to average drawdown | 7.00 | 3.65 | +3.35 |
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
| ROK | SIEGY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.46 | 0.80 | +0.66 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.38 | 0.51 | -0.13 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.53 | 0.53 | 0.00 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.42 | 0.41 | +0.01 |
Drawdowns
ROK vs. SIEGY - Drawdown Comparison
The maximum ROK drawdown since its inception was -75.83%, which is greater than SIEGY's maximum drawdown of -54.15%. Use the drawdown chart below to compare losses from any high point for ROK and SIEGY.
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Drawdown Indicators
| ROK | SIEGY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -75.83% | -54.15% | -21.68% |
Max Drawdown (1Y)Largest decline over 1 year | -18.73% | -23.23% | +4.50% |
Max Drawdown (3Y)Largest decline over 3 years | -34.84% | -29.91% | -4.93% |
Max Drawdown (5Y)Largest decline over 5 years | -45.09% | -46.02% | +0.93% |
Max Drawdown (10Y)Largest decline over 10 years | -45.09% | -54.15% | +9.06% |
Current DrawdownCurrent decline from peak | -2.54% | -4.81% | +2.27% |
Average DrawdownAverage peak-to-trough decline | -14.88% | -12.84% | -2.04% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.91% | 7.10% | -1.19% |
Volatility
ROK vs. SIEGY - Volatility Comparison
The current volatility for Rockwell Automation, Inc. (ROK) is 7.86%, while Siemens Aktiengesellschaft (SIEGY) has a volatility of 9.22%. This indicates that ROK experiences smaller price fluctuations and is considered to be less risky than SIEGY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ROK | SIEGY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.86% | 9.22% | -1.36% |
Volatility (6M)Calculated over the trailing 6-month period | 23.24% | 25.87% | -2.63% |
Volatility (1Y)Calculated over the trailing 1-year period | 28.42% | 32.64% | -4.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 31.73% | 31.69% | +0.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.45% | 29.57% | +1.88% |
Dividends
ROK vs. SIEGY - Dividend Comparison
ROK's dividend yield for the trailing twelve months is around 1.21%, less than SIEGY's 2.06% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ROK Rockwell Automation, Inc. | 1.21% | 1.36% | 1.77% | 1.54% | 1.76% | 1.24% | 1.65% | 1.94% | 2.42% | 1.59% | 2.18% | 2.61% |
SIEGY Siemens Aktiengesellschaft | 2.06% | 1.94% | 2.64% | 2.43% | 2.42% | 1.81% | 10.83% | 2.44% | 2.86% | 6.82% | 5.76% | 2.87% |
Financials
ROK vs. SIEGY - Financials Comparison
This section allows you to compare key financial metrics between Rockwell Automation, Inc. and Siemens Aktiengesellschaft. 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. SIEGY - Profitability Comparison
ROK - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 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%.
SIEGY - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Siemens Aktiengesellschaft reported a gross profit of 7.81B and revenue of 20.08B. Therefore, the gross margin over that period was 38.9%.
ROK - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Rockwell Automation, Inc. reported an operating income of 467.00M and revenue of 2.24B, resulting in an operating margin of 20.9%.
SIEGY - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Siemens Aktiengesellschaft reported an operating income of 2.51B and revenue of 20.08B, resulting in an operating margin of 12.5%.
ROK - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Rockwell Automation, Inc. reported a net income of 350.00M and revenue of 2.24B, resulting in a net margin of 15.6%.
SIEGY - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Siemens Aktiengesellschaft reported a net income of 2.06B and revenue of 20.08B, resulting in a net margin of 10.3%.
Frequently Asked Questions
ROK and SIEGY have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SIEGY has higher volatility (9.22%) compared to ROK (7.86%). In terms of maximum drawdown, ROK dropped -75.83% vs SIEGY's -54.15%.
ROK currently has the higher Sharpe Ratio (1.46 vs 0.80), 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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