IRMD vs. ISRG

Last updated Jun 3, 2026

IRMD (IRadimed Corporation) and ISRG (Intuitive Surgical, Inc.) are both stocks. Both are in the Healthcare sector — IRMD in Medical Devices, ISRG in Medical Instruments & Supplies. Over the past 10 years, IRMD returned 17.93%/yr vs 18.98%/yr for ISRG. At a 0.25 correlation, their price movements are largely independent.

Performance

IRMD vs. ISRG - Performance Comparison

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

Returns By Period

In the year-to-date period, IRMD achieves a -7.24% return, which is significantly higher than ISRG's -28.97% return. Over the past 10 years, IRMD has underperformed ISRG with an annualized return of 17.93%, while ISRG has yielded a comparatively higher 18.98% annualized return.

IRMD

• 1D: -2.38%
• 1M: 3.35%
• YTD: -7.24%
• 6M: -1.47%
• 1Y: 57.66%
• 3Y*: 24.41%
• 5Y*: 28.64%
• 10Y*: 17.93%

ISRG

• 1D: -2.42%
• 1M: -12.12%
• YTD: -28.97%
• 6M: -29.14%
• 1Y: -27.29%
• 3Y*: 8.82%
• 5Y*: 8.13%
• 10Y*: 18.98%

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

IRMD vs. ISRG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IRMD IRadimed Corporation	-7.24%	79.69%	16.99%	75.37%	-37.53%	102.68%	-2.48%	-4.42%	61.45%	36.49%
ISRG Intuitive Surgical, Inc.	-28.97%	8.51%	54.72%	27.14%	-26.15%	31.76%	38.39%	23.43%	31.23%	72.64%

Correlation

The correlation between IRMD and ISRG is 0.37, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.37
Correlation (3Y) Calculated over the trailing 3-year period	0.34
Correlation (5Y) Calculated over the trailing 5-year period	0.33
Correlation (10Y) Calculated over the trailing 10-year period	0.27
Correlation (All Time) Calculated using the full available price history since Jul 17, 2014	0.25

The correlation between IRMD and ISRG shifts across timeframes, from 0.25 (all time) to 0.37 (1 year), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap IRMD : $1.16B ISRG : $144.75B
EPS IRMD : $1.84 ISRG : $8.24
PE Ratio IRMD : 48.94 ISRG : 48.82
PEG Ratio IRMD : 2.04 ISRG : 2.99
PS Ratio IRMD : 13.39 ISRG : 13.74
PB Ratio IRMD : 11.74 ISRG : 8.23
Total Revenue (TTM) IRMD : $86.28M ISRG : $10.58B
Gross Profit (TTM) IRMD : $66.30M ISRG : $7.02B
EBITDA (TTM) IRMD : $30.55M ISRG : $3.76B

Return for Risk

IRMD vs. ISRG — Risk / Return Rank

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

IRMD

IRMD Risk / Return Rank: 82
IRMD Sharpe Ratio Rank: 84
IRMD Sortino Ratio Rank: 83
IRMD Omega Ratio Rank: 81
IRMD Calmar Ratio Rank: 80
IRMD Martin Ratio Rank: 83

ISRG

ISRG Risk / Return Rank: 6
ISRG Sharpe Ratio Rank: 6
ISRG Sortino Ratio Rank: 7
ISRG Omega Ratio Rank: 9
ISRG Calmar Ratio Rank: 8
ISRG Martin Ratio Rank: 2

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.

IRMD vs. ISRG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for IRadimed Corporation (IRMD) and Intuitive Surgical, Inc. (ISRG). 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.

	IRMD	ISRG	Difference
Sharpe ratio Return per unit of total volatility	1.72	-0.89	+2.60
Sortino ratio Return per unit of downside risk	2.63	-1.31	+3.93
Omega ratio Gain probability vs. loss probability	1.32	0.85	+0.47
Calmar ratio Return relative to maximum drawdown	2.79	-0.85	+3.63
Martin ratio Return relative to average drawdown	8.18	-1.72	+9.90
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IRMD vs. ISRG - Sharpe Ratio Comparison

The current IRMD Sharpe Ratio is 1.72, which is higher than the ISRG Sharpe Ratio of -0.89. The chart below compares the historical Sharpe Ratios of IRMD and ISRG, 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

	IRMD	ISRG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.72	-0.89	+2.60
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.66	0.25	+0.42
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.37	0.59	-0.22
Sharpe Ratio (All Time) Calculated using the full available price history	0.42	0.47	-0.05

Drawdowns

IRMD vs. ISRG - Drawdown Comparison

The maximum IRMD drawdown since its inception was -75.83%, smaller than the maximum ISRG drawdown of -82.26%. Use the drawdown chart below to compare losses from any high point for IRMD and ISRG.

Drawdown Indicators

	IRMD	ISRG	Difference
Max Drawdown Largest peak-to-trough decline	-75.83%	-82.26%	+6.43%
Max Drawdown (1Y) Largest decline over 1 year	-20.62%	-32.14%	+11.52%
Max Drawdown (3Y) Largest decline over 3 years	-26.28%	-34.10%	+7.82%
Max Drawdown (5Y) Largest decline over 5 years	-49.38%	-49.90%	+0.52%
Max Drawdown (10Y) Largest decline over 10 years	-64.30%	-49.90%	-14.40%
Current Drawdown Current decline from peak	-14.31%	-34.10%	+19.79%
Average Drawdown Average peak-to-trough decline	-28.09%	-21.27%	-6.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.02%	15.79%	-8.77%

Volatility

IRMD vs. ISRG - Volatility Comparison

The current volatility for IRadimed Corporation (IRMD) is 7.97%, while Intuitive Surgical, Inc. (ISRG) has a volatility of 10.94%. This indicates that IRMD experiences smaller price fluctuations and is considered to be less risky than ISRG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IRMD	ISRG	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.97%	10.94%	-2.97%
Volatility (6M) Calculated over the trailing 6-month period	21.34%	20.19%	+1.15%
Volatility (1Y) Calculated over the trailing 1-year period	33.78%	30.80%	+2.98%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	43.56%	33.15%	+10.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	48.58%	32.38%	+16.20%

Dividends

IRMD vs. ISRG - Dividend Comparison

IRMD's dividend yield for the trailing twelve months is around 1.38%, while ISRG has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022
IRMD IRadimed Corporation	1.38%	1.21%	0.82%	3.54%	3.53%
ISRG Intuitive Surgical, Inc.	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

IRMD vs. ISRG - Profitability Comparison

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

IRMD - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, IRadimed Corporation reported a gross profit of 16.81M and revenue of 21.98M. Therefore, the gross margin over that period was 76.5%.

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%.

IRMD - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, IRadimed Corporation reported an operating income of 7.24M and revenue of 21.98M, resulting in an operating margin of 32.9%.

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%.

IRMD - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, IRadimed Corporation reported a net income of 5.82M and revenue of 21.98M, resulting in a net margin of 26.5%.

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%.

Frequently Asked Questions

Can I hold both IRMD and ISRG in my portfolio?

IRMD and ISRG have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IRMD or ISRG?

ISRG has higher volatility (10.94%) compared to IRMD (7.97%). In terms of maximum drawdown, IRMD dropped -75.83% vs ISRG's -82.26%.

Which has better risk-adjusted returns?

IRMD currently has the higher Sharpe Ratio (1.72 vs -0.89), 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.