ISRG vs. SMNEY

Last updated Jun 13, 2026

ISRG (Intuitive Surgical, Inc.) and SMNEY (Siemens Energy AG) are both stocks. ISRG operates in Medical Instruments & Supplies (Healthcare), while SMNEY operates in Specialty Industrial Machinery (Industrials). At a 0.27 correlation, their price movements are largely independent.

Performance

ISRG vs. SMNEY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Intuitive Surgical, Inc. (ISRG) and Siemens Energy AG (SMNEY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

ISRG

• 1D: -0.45%
• 1M: -4.91%
• YTD: -27.42%
• 6M: -24.20%
• 1Y: -19.87%
• 3Y*: 9.23%
• 5Y*: 7.37%
• 10Y*: 19.09%

SMNEY

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ISRG vs. SMNEY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
ISRG Intuitive Surgical, Inc.	-27.42%	8.51%	54.72%	27.14%	-26.15%	31.76%	7.64%
SMNEY Siemens Energy AG	25.32%	167.97%	298.17%	-29.76%	-27.66%	-31.90%	21.11%

Correlation

The correlation between ISRG and SMNEY is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.14
Correlation (3Y) Calculated over the trailing 3-year period	0.23
Correlation (5Y) Calculated over the trailing 5-year period	0.27
Correlation (All Time) Calculated using the full available price history since Dec 14, 2020	0.27

The correlation between ISRG and SMNEY shifts across timeframes, from 0.14 (1 year) to 0.27 (all time), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap ISRG : $147.90B SMNEY : $152.45B
EPS ISRG : $8.24 SMNEY : €2.16
PE Ratio ISRG : 49.88 SMNEY : 81.35
PEG Ratio ISRG : 3.05 SMNEY : 0.76
PS Ratio ISRG : 14.04 SMNEY : 3.93
PB Ratio ISRG : 8.40 SMNEY : 13.51
Total Revenue (TTM) ISRG : $10.58B SMNEY : €39.81B
Gross Profit (TTM) ISRG : $7.02B SMNEY : €7.27B
EBITDA (TTM) ISRG : $3.76B SMNEY : €4.73B

Return for Risk

ISRG vs. SMNEY — Risk / Return Rank

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

ISRG

ISRG Risk / Return Rank: 16
ISRG Sharpe Ratio Rank: 15
ISRG Sortino Ratio Rank: 14
ISRG Omega Ratio Rank: 16
ISRG Calmar Ratio Rank: 20
ISRG Martin Ratio Rank: 14

SMNEY

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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.

ISRG vs. SMNEY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Intuitive Surgical, Inc. (ISRG) and Siemens Energy AG (SMNEY). 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.

	ISRG	SMNEY	Difference
Sharpe ratio: Return per unit of total volatility	-0.65	—	—
Sortino ratio: Return per unit of downside risk	-0.87	—	—
Omega ratio: Gain probability vs. loss probability	0.90	—	—
Calmar ratio: Return relative to maximum drawdown	-0.62	—	—
Martin ratio: Return relative to average drawdown	-1.24	—	—

Drawdowns

Drawdown Indicators

	ISRG	SMNEY	Difference
Max Drawdown Largest peak-to-trough decline	-82.26%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-32.14%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-34.10%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-49.90%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-49.90%	—	—
Current Drawdown Current decline from peak	-32.66%	—	—
Average Drawdown Average peak-to-trough decline	-21.28%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	16.00%	—	—

Volatility

Volatility by Period

	ISRG	SMNEY	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.70%	—	—
Volatility (6M) Calculated over the trailing 6-month period	20.72%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	30.69%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.19%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	32.40%	—	—

Dividends

ISRG vs. SMNEY - Dividend Comparison

Neither ISRG nor SMNEY has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022
ISRG Intuitive Surgical, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%
SMNEY Siemens Energy AG	0.00%	0.00%	0.00%	0.00%	0.61%

Financials

ISRG vs. SMNEY - Profitability Comparison

The chart below illustrates the profitability comparison between Intuitive Surgical, Inc. and Siemens Energy AG over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

ISRG - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Intuitive Surgical, Inc. reported a gross profit of 1.83B and revenue of 2.77B. Therefore, the gross margin over that period was 66.1%.

SMNEY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Siemens Energy AG reported a gross profit of 2.09B and revenue of 9.68B. Therefore, the gross margin over that period was 21.6%.

ISRG - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Intuitive Surgical, Inc. reported an operating income of 855.30M and revenue of 2.77B, resulting in an operating margin of 30.9%.

SMNEY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Siemens Energy AG reported an operating income of 962.00M and revenue of 9.68B, resulting in an operating margin of 9.9%.

ISRG - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Intuitive Surgical, Inc. reported a net income of 821.50M and revenue of 2.77B, resulting in a net margin of 29.7%.

SMNEY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Siemens Energy AG reported a net income of 677.00M and revenue of 9.68B, resulting in a net margin of 7.0%.

Frequently Asked Questions

Can I hold both ISRG and SMNEY in my portfolio?

ISRG and SMNEY have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.