ROK vs. SMCI
ROK (Rockwell Automation, Inc.) and SMCI (Super Micro Computer, Inc.) are both stocks. ROK operates in Specialty Industrial Machinery (Industrials), while SMCI operates in Computer Hardware (Technology). Over the past 10 years, ROK returned 16.90%/yr vs 27.77%/yr for SMCI. At a 0.38 correlation, their price movements are largely independent.
Performance
ROK vs. SMCI - Performance Comparison
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Returns By Period
In the year-to-date period, ROK achieves a 18.84% return, which is significantly higher than SMCI's 4.07% return. Over the past 10 years, ROK has underperformed SMCI with an annualized return of 16.90%, while SMCI has yielded a comparatively higher 27.77% annualized return.
ROK
- 1D
- 0.38%
- 1M
- 1.27%
- YTD
- 18.84%
- 6M
- 14.11%
- 1Y
- 43.27%
- 3Y*
- 15.25%
- 5Y*
- 11.95%
- 10Y*
- 16.90%
SMCI
- 1D
- -4.72%
- 1M
- -4.81%
- YTD
- 4.07%
- 6M
- -5.78%
- 1Y
- -29.75%
- 3Y*
- 7.64%
- 5Y*
- 52.73%
- 10Y*
- 27.77%
ROK vs. SMCI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
ROK Rockwell Automation, Inc. | 18.84% | 38.36% | -6.23% | 22.63% | -24.78% | 41.21% | 26.17% | 37.85% | -21.79% | 48.87% |
SMCI Super Micro Computer, Inc. | 4.07% | -3.97% | 7.23% | 246.24% | 86.80% | 38.82% | 31.81% | 74.06% | -34.07% | -25.38% |
Correlation
The correlation between ROK and SMCI is 0.34, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.34 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.30 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.33 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.34 |
Correlation (All Time) Calculated using the full available price history since Mar 29, 2007 | 0.38 |
Fundamentals
ROK:
$51.72B
SMCI:
$20.52B
ROK:
$9.63
SMCI:
$2.70
ROK:
47.68
SMCI:
11.27
ROK:
5.89
SMCI:
0.60
ROK:
14.69
SMCI:
2.71
ROK:
$8.80B
SMCI:
$33.70B
ROK:
$4.63B
SMCI:
$2.83B
ROK:
$1.56B
SMCI:
$1.47B
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Return for Risk
ROK vs. SMCI — Risk / Return Rank
ROK
SMCI
ROK vs. SMCI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Rockwell Automation, Inc. (ROK) and Super Micro Computer, Inc. (SMCI). 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 | SMCI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.85 | ||
| Sortino ratioReturn per unit of downside risk | +2.11 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.01 | +0.26 |
| Calmar ratioReturn relative to maximum drawdown | 2.32 | -0.45 | +2.77 |
| Martin ratioReturn relative to average drawdown | 7.33 | -0.76 | +8.09 |
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Drawdowns
ROK vs. SMCI - Drawdown Comparison
The maximum ROK drawdown since its inception was -75.83%, smaller than the maximum SMCI drawdown of -84.84%. Use the drawdown chart below to compare losses from any high point for ROK and SMCI.
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Drawdown Indicators
| ROK | SMCI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -75.83% | -84.84% | +9.01% |
Max Drawdown (1Y)Largest decline over 1 year | -18.73% | -66.18% | +47.45% |
Max Drawdown (3Y)Largest decline over 3 years | -34.84% | -84.84% | +50.00% |
Max Drawdown (5Y)Largest decline over 5 years | -45.09% | -84.84% | +39.75% |
Max Drawdown (10Y)Largest decline over 10 years | -45.09% | -84.84% | +39.75% |
Current DrawdownCurrent decline from peak | -0.88% | -74.36% | +73.48% |
Average DrawdownAverage peak-to-trough decline | -14.87% | -31.98% | +17.11% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.92% | 39.34% | -33.42% |
Volatility
ROK vs. SMCI - Volatility Comparison
The current volatility for Rockwell Automation, Inc. (ROK) is 10.07%, while Super Micro Computer, Inc. (SMCI) has a volatility of 44.32%. This indicates that ROK experiences smaller price fluctuations and is considered to be less risky than SMCI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ROK | SMCI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.07% | 44.32% | -34.25% |
Volatility (6M)Calculated over the trailing 6-month period | 23.96% | 76.32% | -52.36% |
Volatility (1Y)Calculated over the trailing 1-year period | 29.04% | 85.20% | -56.16% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 31.83% | 86.53% | -54.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 31.49% | 71.19% | -39.70% |
Dividends
ROK vs. SMCI - Dividend Comparison
ROK's dividend yield for the trailing twelve months is around 1.19%, while SMCI has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ROK Rockwell Automation, Inc. | 1.19% | 1.36% | 1.77% | 1.54% | 1.76% | 1.24% | 1.65% | 1.94% | 2.42% | 1.59% | 2.18% | 2.61% |
SMCI Super Micro Computer, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
ROK vs. SMCI - Financials Comparison
This section allows you to compare key financial metrics between Rockwell Automation, Inc. and Super Micro Computer, 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
ROK vs. SMCI - 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%.
SMCI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Super Micro Computer, Inc. reported a gross profit of 1.02B and revenue of 10.24B. Therefore, the gross margin over that period was 10.0%.
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%.
SMCI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Super Micro Computer, Inc. reported an operating income of 625.87M and revenue of 10.24B, resulting in an operating margin of 6.1%.
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%.
SMCI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Super Micro Computer, Inc. reported a net income of 1.02B and revenue of 10.24B, resulting in a net margin of 9.9%.
Frequently Asked Questions
ROK and SMCI have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SMCI has higher volatility (44.32%) compared to ROK (10.07%). In terms of maximum drawdown, ROK dropped -75.83% vs SMCI's -84.84%.
ROK currently has the higher Sharpe Ratio (1.50 vs -0.35), 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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