INSP vs. TCMD

Last updated Jun 3, 2026

INSP (Inspire Medical Systems, Inc.) and TCMD (Tactile Systems Technology, Inc.) are both stocks. Both operate in the Medical Devices industry within the Healthcare sector. Over the past 5 years, INSP returned -24.54%/yr vs -13.59%/yr for TCMD. At a 0.36 correlation, their price movements are largely independent.

Performance

INSP vs. TCMD - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Inspire Medical Systems, Inc. (INSP) and Tactile Systems Technology, Inc. (TCMD). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, INSP achieves a -56.00% return, which is significantly lower than TCMD's -15.83% return.

INSP

• 1D: -0.64%
• 1M: -28.43%
• YTD: -56.00%
• 6M: -69.70%
• 1Y: -69.66%
• 3Y*: -49.21%
• 5Y*: -24.54%
• 10Y*: —

TCMD

• 1D: 1.79%
• 1M: 6.64%
• YTD: -15.83%
• 6M: -6.65%
• 1Y: 146.81%
• 3Y*: 1.69%
• 5Y*: -13.59%
• 10Y*: —

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

INSP vs. TCMD - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
INSP Inspire Medical Systems, Inc.	-56.00%	-50.25%	-8.87%	-19.24%	9.48%	22.31%	153.46%	75.64%	69.14%
TCMD Tactile Systems Technology, Inc.	-15.83%	69.29%	19.79%	24.56%	-39.67%	-57.65%	-33.43%	48.21%	28.45%

Correlation

The correlation between INSP and TCMD is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.38
Correlation (3Y) Calculated over the trailing 3-year period	0.37
Correlation (5Y) Calculated over the trailing 5-year period	0.41
Correlation (All Time) Calculated using the full available price history since May 4, 2018	0.36

Fundamentals

Market Cap INSP : $1.16B TCMD : $550.72M
EPS INSP : $4.48 TCMD : $0.89
PE Ratio INSP : 9.05 TCMD : 27.47
PEG Ratio INSP : 0.05 TCMD : 0.69
PS Ratio INSP : 1.30 TCMD : 1.62
PB Ratio INSP : 1.47 TCMD : 2.53
Total Revenue (TTM) INSP : $915.25M TCMD : $343.52M
Gross Profit (TTM) INSP : $785.06M TCMD : $254.06M
EBITDA (TTM) INSP : $67.14M TCMD : $38.53M

Return for Risk

INSP vs. TCMD — Risk / Return Rank

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

INSP

INSP Risk / Return Rank: 4
INSP Sharpe Ratio Rank: 6
INSP Sortino Ratio Rank: 5
INSP Omega Ratio Rank: 4
INSP Calmar Ratio Rank: 2
INSP Martin Ratio Rank: 4

TCMD

TCMD Risk / Return Rank: 91
TCMD Sharpe Ratio Rank: 90
TCMD Sortino Ratio Rank: 94
TCMD Omega Ratio Rank: 93
TCMD Calmar Ratio Rank: 89
TCMD Martin Ratio Rank: 89

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.

INSP vs. TCMD - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Inspire Medical Systems, Inc. (INSP) and Tactile Systems Technology, Inc. (TCMD). 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.

	INSP	TCMD	Difference
Sharpe ratio Return per unit of total volatility	-0.94	2.25	-3.18
Sortino ratio Return per unit of downside risk	-1.59	4.01	-5.59
Omega ratio Gain probability vs. loss probability	0.78	1.50	-0.72
Calmar ratio Return relative to maximum drawdown	-0.98	4.58	-5.56
Martin ratio Return relative to average drawdown	-1.59	11.69	-13.28
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

INSP vs. TCMD - Sharpe Ratio Comparison

The current INSP Sharpe Ratio is -0.94, which is lower than the TCMD Sharpe Ratio of 2.25. The chart below compares the historical Sharpe Ratios of INSP and TCMD, 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

	INSP	TCMD	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.94	2.25	-3.18
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.41	-0.23	-0.18
Sharpe Ratio (All Time) Calculated using the full available price history	0.10	0.15	-0.05

Drawdowns

INSP vs. TCMD - Drawdown Comparison

The maximum INSP drawdown since its inception was -87.72%, roughly equal to the maximum TCMD drawdown of -91.41%. Use the drawdown chart below to compare losses from any high point for INSP and TCMD.

Drawdown Indicators

	INSP	TCMD	Difference
Max Drawdown Largest peak-to-trough decline	-87.72%	-91.41%	+3.69%
Max Drawdown (1Y) Largest decline over 1 year	-72.19%	-32.13%	-40.06%
Max Drawdown (3Y) Largest decline over 3 years	-87.72%	-63.25%	-24.47%
Max Drawdown (5Y) Largest decline over 5 years	-87.72%	-88.51%	+0.79%
Current Drawdown Current decline from peak	-87.56%	-68.00%	-19.56%
Average Drawdown Average peak-to-trough decline	-27.55%	-49.34%	+21.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	44.51%	12.58%	+31.93%

Volatility

INSP vs. TCMD - Volatility Comparison

Inspire Medical Systems, Inc. (INSP) has a higher volatility of 18.25% compared to Tactile Systems Technology, Inc. (TCMD) at 15.06%. This indicates that INSP's price experiences larger fluctuations and is considered to be riskier than TCMD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	INSP	TCMD	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.25%	15.06%	+3.19%
Volatility (6M) Calculated over the trailing 6-month period	48.36%	35.80%	+12.56%
Volatility (1Y) Calculated over the trailing 1-year period	74.69%	65.76%	+8.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	60.39%	60.49%	-0.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	60.62%	56.63%	+3.99%

Dividends

INSP vs. TCMD - Dividend Comparison

Neither INSP nor TCMD has paid dividends to shareholders.

Tickers have no history of dividend payments

Financials

INSP vs. TCMD - Profitability Comparison

The chart below illustrates the profitability comparison between Inspire Medical Systems, Inc. and Tactile Systems Technology, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

INSP - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Inspire Medical Systems, Inc. reported a gross profit of 176.91M and revenue of 204.58M. Therefore, the gross margin over that period was 86.5%.

TCMD - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Tactile Systems Technology, Inc. reported a gross profit of 51.71M and revenue of 75.27M. Therefore, the gross margin over that period was 68.7%.

INSP - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Inspire Medical Systems, Inc. reported an operating income of -1.12M and revenue of 204.58M, resulting in an operating margin of -0.6%.

TCMD - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Tactile Systems Technology, Inc. reported an operating income of -1.53M and revenue of 75.27M, resulting in an operating margin of -2.0%.

INSP - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Inspire Medical Systems, Inc. reported a net income of -11.29M and revenue of 204.58M, resulting in a net margin of -5.5%.

TCMD - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Tactile Systems Technology, Inc. reported a net income of -1.76M and revenue of 75.27M, resulting in a net margin of -2.3%.

Frequently Asked Questions

Can I hold both INSP and TCMD in my portfolio?

INSP and TCMD have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, INSP or TCMD?

INSP has higher volatility (18.25%) compared to TCMD (15.06%). In terms of maximum drawdown, INSP dropped -87.72% vs TCMD's -91.41%.

Which has better risk-adjusted returns?

TCMD currently has the higher Sharpe Ratio (2.25 vs -0.94), 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.