CMI vs. SMCI

Last updated Jun 9, 2026

CMI (Cummins Inc.) and SMCI (Super Micro Computer, Inc.) are both stocks. CMI operates in Specialty Industrial Machinery (Industrials), while SMCI operates in Computer Hardware (Technology). Over the past 10 years, CMI returned 22.34%/yr vs 32.81%/yr for SMCI. At a 0.35 correlation, their price movements are largely independent.

Performance

CMI vs. SMCI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cummins Inc. (CMI) and Super Micro Computer, Inc. (SMCI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CMI achieves a 32.64% return, which is significantly lower than SMCI's 50.29% return. Over the past 10 years, CMI has underperformed SMCI with an annualized return of 22.34%, while SMCI has yielded a comparatively higher 32.81% annualized return.

CMI

• 1D: 3.30%
• 1M: -0.70%
• YTD: 32.64%
• 6M: 33.36%
• 1Y: 109.28%
• 3Y*: 46.82%
• 5Y*: 24.12%
• 10Y*: 22.34%

SMCI

• 1D: 5.64%
• 1M: 24.37%
• YTD: 50.29%
• 6M: 24.37%
• 1Y: 5.87%
• 3Y*: 18.91%
• 5Y*: 64.69%
• 10Y*: 32.81%

*Multi-year figures are annualized to reflect compound growth (CAGR)

CMI vs. SMCI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CMI Cummins Inc.	32.64%	49.36%	48.92%	1.72%	14.09%	-1.68%	30.50%	38.04%	-22.06%	32.74%
SMCI Super Micro Computer, Inc.	50.29%	-3.97%	7.23%	246.24%	86.80%	38.82%	31.81%	74.06%	-34.07%	-25.38%

Correlation

The correlation between CMI and SMCI is 0.35, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.35
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 30, 2007	0.35

Fundamentals

Market Cap CMI : $93.37B SMCI : $29.63B
EPS CMI : $19.27 SMCI : $2.70
PE Ratio CMI : 34.90 SMCI : 16.27
PEG Ratio CMI : 0.39 SMCI : 0.36
PS Ratio CMI : 2.75 SMCI : 0.86
PB Ratio CMI : 7.56 SMCI : 3.91
Total Revenue (TTM) CMI : $33.89B SMCI : $33.70B
Gross Profit (TTM) CMI : $8.60B SMCI : $2.83B
EBITDA (TTM) CMI : $4.87B SMCI : $1.47B

Return for Risk

CMI vs. SMCI — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

CMI

CMI Risk / Return Rank: 96
CMI Sharpe Ratio Rank: 96
CMI Sortino Ratio Rank: 94
CMI Omega Ratio Rank: 94
CMI Calmar Ratio Rank: 96
CMI Martin Ratio Rank: 97

SMCI

SMCI Risk / Return Rank: 46
SMCI Sharpe Ratio Rank: 45
SMCI Sortino Ratio Rank: 48
SMCI Omega Ratio Rank: 49
SMCI Calmar Ratio Rank: 44
SMCI Martin Ratio Rank: 44

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

CMI vs. SMCI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cummins Inc. (CMI) 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.

	CMI	SMCI	Difference
Sharpe ratio: Return per unit of total volatility	3.33	0.07	+3.26
Sortino ratio: Return per unit of downside risk	3.82	0.68	+3.14
Omega ratio: Gain probability vs. loss probability	1.52	1.09	+0.43
Calmar ratio: Return relative to maximum drawdown	7.22	0.09	+7.13
Martin ratio: Return relative to average drawdown	26.31	0.15	+26.16
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CMI vs. SMCI - Sharpe Ratio Comparison

The current CMI Sharpe Ratio is 3.33, which is higher than the SMCI Sharpe Ratio of 0.07. The chart below compares the historical Sharpe Ratios of CMI and SMCI, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	CMI	SMCI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.33	0.07	+3.26
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.86	0.76	+0.10
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.79	0.47	+0.33
Sharpe Ratio (All Time) Calculated using the full available price history	0.38	0.36	+0.02

Drawdowns

CMI vs. SMCI - Drawdown Comparison

The maximum CMI drawdown since its inception was -75.66%, smaller than the maximum SMCI drawdown of -84.84%. Use the drawdown chart below to compare losses from any high point for CMI and SMCI.

Drawdown Indicators

	CMI	SMCI	Difference
Max Drawdown Largest peak-to-trough decline	-75.66%	-84.84%	+9.18%
Max Drawdown (1Y) Largest decline over 1 year	-15.23%	-66.18%	+50.95%
Max Drawdown (3Y) Largest decline over 3 years	-30.48%	-84.84%	+54.36%
Max Drawdown (5Y) Largest decline over 5 years	-30.48%	-84.84%	+54.36%
Max Drawdown (10Y) Largest decline over 10 years	-44.05%	-84.84%	+40.79%
Current Drawdown Current decline from peak	-5.81%	-62.97%	+57.16%
Average Drawdown Average peak-to-trough decline	-22.23%	-31.96%	+9.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.17%	38.91%	-34.74%

Volatility

CMI vs. SMCI - Volatility Comparison

The current volatility for Cummins Inc. (CMI) is 12.18%, while Super Micro Computer, Inc. (SMCI) has a volatility of 26.36%. This indicates that CMI 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.

Volatility by Period

	CMI	SMCI	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.18%	26.36%	-14.18%
Volatility (6M) Calculated over the trailing 6-month period	27.86%	67.65%	-39.79%
Volatility (1Y) Calculated over the trailing 1-year period	33.02%	79.63%	-46.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.05%	85.44%	-57.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	28.26%	70.55%	-42.29%

Dividends

CMI vs. SMCI - Dividend Comparison

CMI'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
CMI Cummins Inc.	1.19%	1.50%	2.01%	2.71%	2.49%	2.57%	2.33%	2.74%	3.32%	2.38%	2.93%	3.99%
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

CMI vs. SMCI - Profitability Comparison

The chart below illustrates the profitability comparison between Cummins Inc. and Super Micro Computer, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

CMI - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Cummins Inc. reported a gross profit of 2.24B and revenue of 8.40B. Therefore, the gross margin over that period was 26.7%.

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%.

CMI - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Cummins Inc. reported an operating income of 949.00M and revenue of 8.40B, resulting in an operating margin of 11.3%.

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%.

CMI - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Cummins Inc. reported a net income of 654.00M and revenue of 8.40B, resulting in a net margin of 7.8%.

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

Can I hold both CMI and SMCI in my portfolio?

CMI and SMCI have a correlation of 0.35, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CMI or SMCI?

SMCI has higher volatility (26.36%) compared to CMI (12.18%). In terms of maximum drawdown, CMI dropped -75.66% vs SMCI's -84.84%.

Which has better risk-adjusted returns?

CMI currently has the higher Sharpe Ratio (3.33 vs 0.07), 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.