INSP vs. SLYV

Last updated Apr 1, 2026

Compare and contrast key facts about Inspire Medical Systems, Inc. (INSP) and SPDR S&P 600 Small Cap Value ETF (SLYV).

SLYV is a passively managed fund by State Street that tracks the performance of the S&P SmallCap 600 Value Index. It was launched on Sep 29, 2000.

Performance

INSP vs. SLYV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Inspire Medical Systems, Inc. (INSP) and SPDR S&P 600 Small Cap Value ETF (SLYV). The values are adjusted to include any dividend payments, if applicable.

INSP vs. SLYV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
INSP Inspire Medical Systems, Inc.	-44.07%	-50.25%	-8.87%	-19.24%	9.48%	22.31%	153.46%	75.64%	69.14%
SLYV SPDR S&P 600 Small Cap Value ETF	4.44%	6.54%	7.28%	14.82%	-11.08%	30.57%	2.68%	24.26%	-12.73%

Returns By Period

In the year-to-date period, INSP achieves a -44.07% return, which is significantly lower than SLYV's 4.44% return.

INSP

• 1D: 2.32%
• 1M: -20.04%
• YTD: -44.07%
• 6M: -30.49%
• 1Y: -67.62%
• 3Y*: -39.60%
• 5Y*: -24.33%
• 10Y*: —

SLYV

• 1D: 2.14%
• 1M: -3.30%
• YTD: 4.44%
• 6M: 7.85%
• 1Y: 23.27%
• 3Y*: 9.97%
• 5Y*: 4.83%
• 10Y*: 9.46%

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

Return for Risk

INSP vs. SLYV — Risk / Return Rank

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

INSP

INSP Risk / Return Rank: 5
INSP Sharpe Ratio Rank: 6
INSP Sortino Ratio Rank: 5
INSP Omega Ratio Rank: 5
INSP Calmar Ratio Rank: 4
INSP Martin Ratio Rank: 7

SLYV

SLYV Risk / Return Rank: 61
SLYV Sharpe Ratio Rank: 59
SLYV Sortino Ratio Rank: 62
SLYV Omega Ratio Rank: 56
SLYV Calmar Ratio Rank: 64
SLYV Martin Ratio Rank: 62

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. SLYV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Inspire Medical Systems, Inc. (INSP) and SPDR S&P 600 Small Cap Value ETF (SLYV). 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	SLYV	Difference
Sharpe ratio Return per unit of total volatility	-0.92	0.99	-1.91
Sortino ratio Return per unit of downside risk	-1.54	1.51	-3.05
Omega ratio Gain probability vs. loss probability	0.78	1.20	-0.42
Calmar ratio Return relative to maximum drawdown	-0.97	1.51	-2.48
Martin ratio Return relative to average drawdown	-1.62	5.74	-7.36
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. SLYV - Sharpe Ratio Comparison

The current INSP Sharpe Ratio is -0.92, which is lower than the SLYV Sharpe Ratio of 0.99. The chart below compares the historical Sharpe Ratios of INSP and SLYV, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	INSP	SLYV	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.92	0.99	-1.91
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.41	0.22	-0.63
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.40	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.16	0.45	-0.29

Correlation

The correlation between INSP and SLYV is 0.37, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

INSP vs. SLYV - Dividend Comparison

INSP has not paid dividends to shareholders, while SLYV's dividend yield for the trailing twelve months is around 2.01%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
INSP Inspire Medical Systems, 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%
SLYV SPDR S&P 600 Small Cap Value ETF	2.01%	2.02%	2.30%	2.11%	1.47%	1.94%	1.40%	1.67%	2.14%	5.53%	2.18%	6.55%

Drawdowns

INSP vs. SLYV - Drawdown Comparison

The maximum INSP drawdown since its inception was -84.63%, which is greater than SLYV's maximum drawdown of -61.15%. Use the drawdown chart below to compare losses from any high point for INSP and SLYV.

Drawdown Indicators

	INSP	SLYV	Difference
Max Drawdown Largest peak-to-trough decline	-84.63%	-61.15%	-23.48%
Max Drawdown (1Y) Largest decline over 1 year	-69.03%	-15.73%	-53.30%
Max Drawdown (5Y) Largest decline over 5 years	-84.63%	-28.68%	-55.95%
Max Drawdown (10Y) Largest decline over 10 years	—	-47.73%	—
Current Drawdown Current decline from peak	-84.18%	-6.18%	-78.00%
Average Drawdown Average peak-to-trough decline	-26.31%	-9.00%	-17.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	41.42%	4.13%	+37.29%

Volatility

INSP vs. SLYV - Volatility Comparison

Inspire Medical Systems, Inc. (INSP) has a higher volatility of 10.32% compared to SPDR S&P 600 Small Cap Value ETF (SLYV) at 5.43%. This indicates that INSP's price experiences larger fluctuations and is considered to be riskier than SLYV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	INSP	SLYV	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.32%	5.43%	+4.89%
Volatility (6M) Calculated over the trailing 6-month period	56.05%	13.48%	+42.57%
Volatility (1Y) Calculated over the trailing 1-year period	73.43%	23.64%	+49.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	60.27%	22.12%	+38.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	60.64%	23.97%	+36.67%