SLYV vs. INSP

Last updated Jun 4, 2026

SLYV (SPDR S&P 600 Small Cap Value ETF) is Small Cap Value Equities fund tracking the S&P SmallCap 600 Value Index, while INSP (Inspire Medical Systems, Inc.) is a stock. Over the past 5 years, SLYV returned 5.66%/yr vs -24.51%/yr for INSP. At a 0.37 correlation, their price movements are largely independent.

Performance

SLYV vs. INSP - Performance Comparison

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

Returns By Period

In the year-to-date period, SLYV achieves a 15.25% return, which is significantly higher than INSP's -56.15% return.

SLYV

• 1D: -1.18%
• 1M: 2.30%
• YTD: 15.25%
• 6M: 14.70%
• 1Y: 37.01%
• 3Y*: 14.08%
• 5Y*: 5.66%
• 10Y*: 10.18%

INSP

• 1D: -0.34%
• 1M: -26.26%
• YTD: -56.15%
• 6M: -69.99%
• 1Y: -70.77%
• 3Y*: -49.27%
• 5Y*: -24.51%
• 10Y*: —

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

SLYV vs. INSP - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
SLYV SPDR S&P 600 Small Cap Value ETF	15.25%	6.54%	7.28%	14.82%	-11.08%	30.57%	2.68%	24.26%	-12.73%
INSP Inspire Medical Systems, Inc.	-56.15%	-50.25%	-8.87%	-19.24%	9.48%	22.31%	153.46%	75.64%	69.14%

Correlation

The correlation between SLYV and INSP is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.33
Correlation (3Y) Calculated over the trailing 3-year period	0.34
Correlation (5Y) Calculated over the trailing 5-year period	0.38
Correlation (All Time) Calculated using the full available price history since May 4, 2018	0.37

Return for Risk

SLYV vs. INSP — Risk / Return Rank

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

SLYV

SLYV Risk / Return Rank: 65
SLYV Sharpe Ratio Rank: 59
SLYV Sortino Ratio Rank: 62
SLYV Omega Ratio Rank: 56
SLYV Calmar Ratio Rank: 77
SLYV Martin Ratio Rank: 70

INSP

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

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.

SLYV vs. INSP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR S&P 600 Small Cap Value ETF (SLYV) and Inspire Medical Systems, Inc. (INSP). 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.

	SLYV	INSP	Difference
Sharpe ratio: Return per unit of total volatility	2.05	-0.95	+3.00
Sortino ratio: Return per unit of downside risk	2.95	-1.65	+4.60
Omega ratio: Gain probability vs. loss probability	1.35	0.77	+0.58
Calmar ratio: Return relative to maximum drawdown	3.97	-0.98	+4.95
Martin ratio: Return relative to average drawdown	13.09	-1.58	+14.68
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SLYV vs. INSP - Sharpe Ratio Comparison

The current SLYV Sharpe Ratio is 2.05, which is higher than the INSP Sharpe Ratio of -0.95. The chart below compares the historical Sharpe Ratios of SLYV and INSP, 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

	SLYV	INSP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.05	-0.95	+3.00
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.26	-0.41	+0.67
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.43	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.46	0.10	+0.36

Drawdowns

SLYV vs. INSP - Drawdown Comparison

The maximum SLYV drawdown since its inception was -61.15%, smaller than the maximum INSP drawdown of -87.72%. Use the drawdown chart below to compare losses from any high point for SLYV and INSP.

Drawdown Indicators

	SLYV	INSP	Difference
Max Drawdown Largest peak-to-trough decline	-61.15%	-87.72%	+26.57%
Max Drawdown (1Y) Largest decline over 1 year	-9.36%	-72.19%	+62.83%
Max Drawdown (3Y) Largest decline over 3 years	-28.68%	-87.72%	+59.04%
Max Drawdown (5Y) Largest decline over 5 years	-28.68%	-87.72%	+59.04%
Max Drawdown (10Y) Largest decline over 10 years	-47.73%	—	—
Current Drawdown Current decline from peak	-1.18%	-87.60%	+86.42%
Average Drawdown Average peak-to-trough decline	-8.94%	-27.58%	+18.64%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.83%	44.74%	-41.91%

Volatility

SLYV vs. INSP - Volatility Comparison

The current volatility for SPDR S&P 600 Small Cap Value ETF (SLYV) is 4.42%, while Inspire Medical Systems, Inc. (INSP) has a volatility of 18.19%. This indicates that SLYV experiences smaller price fluctuations and is considered to be less risky than INSP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SLYV	INSP	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.42%	18.19%	-13.77%
Volatility (6M) Calculated over the trailing 6-month period	11.46%	48.31%	-36.85%
Volatility (1Y) Calculated over the trailing 1-year period	18.26%	74.63%	-56.37%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.96%	60.37%	-38.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.96%	60.61%	-36.65%

Dividends

SLYV vs. INSP - Dividend Comparison

SLYV's dividend yield for the trailing twelve months is around 1.82%, while INSP has not paid dividends to shareholders.

Position	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	1.82%	2.02%	2.30%	2.11%	1.47%	1.94%	1.40%	1.67%	2.14%	5.53%	2.18%	6.55%

Frequently Asked Questions

Can I hold both SLYV and INSP in my portfolio?

SLYV and INSP have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SLYV or INSP?

INSP has higher volatility (18.19%) compared to SLYV (4.42%). In terms of maximum drawdown, SLYV dropped -61.15% vs INSP's -87.72%.

Which has better risk-adjusted returns?

SLYV currently has the higher Sharpe Ratio (2.05 vs -0.95), 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.