IWM vs. STXS

Last updated Jun 9, 2026

IWM (iShares Russell 2000 ETF) is Small Cap Blend Equities fund tracking the Russell 2000 Index, while STXS (Stereotaxis, Inc.) is a stock. Over the past 10 years, IWM returned 10.78%/yr vs 4.46%/yr for STXS. At a 0.34 correlation, their price movements are largely independent.

Performance

IWM vs. STXS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Russell 2000 ETF (IWM) and Stereotaxis, Inc. (STXS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IWM achieves a 15.62% return, which is significantly higher than STXS's -21.30% return. Over the past 10 years, IWM has outperformed STXS with an annualized return of 10.78%, while STXS has yielded a comparatively lower 4.46% annualized return.

IWM

• 1D: 0.87%
• 1M: -0.02%
• YTD: 15.62%
• 6M: 13.83%
• 1Y: 35.52%
• 3Y*: 16.64%
• 5Y*: 5.48%
• 10Y*: 10.78%

STXS

• 1D: 1.69%
• 1M: -4.74%
• YTD: -21.30%
• 6M: -23.31%
• 1Y: -19.56%
• 3Y*: -4.83%
• 5Y*: -26.66%
• 10Y*: 4.46%

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

IWM vs. STXS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IWM iShares Russell 2000 ETF	15.62%	12.66%	11.38%	16.83%	-20.48%	14.54%	20.03%	25.39%	-11.12%	14.58%
STXS Stereotaxis, Inc.	-21.30%	0.88%	30.29%	-15.46%	-66.61%	21.81%	-3.78%	389.36%	35.12%	23.10%

Correlation

The correlation between IWM and STXS is 0.60, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.60
Correlation (3Y) Calculated over the trailing 3-year period	0.44
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (10Y) Calculated over the trailing 10-year period	0.33
Correlation (All Time) Calculated using the full available price history since Aug 13, 2004	0.34

Over the past year, IWM and STXS have become more correlated (0.60) than their long-term average of 0.34, meaning their price movements have been converging.

Return for Risk

IWM vs. STXS — Risk / Return Rank

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

IWM

IWM Risk / Return Rank: 63
IWM Sharpe Ratio Rank: 61
IWM Sortino Ratio Rank: 60
IWM Omega Ratio Rank: 54
IWM Calmar Ratio Rank: 71
IWM Martin Ratio Rank: 68

STXS

STXS Risk / Return Rank: 29
STXS Sharpe Ratio Rank: 27
STXS Sortino Ratio Rank: 28
STXS Omega Ratio Rank: 28
STXS Calmar Ratio Rank: 30
STXS Martin Ratio Rank: 31

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.

IWM vs. STXS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Russell 2000 ETF (IWM) and Stereotaxis, Inc. (STXS). 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.

	IWM	STXS	Difference
Sharpe ratio: Return per unit of total volatility	1.83	-0.34	+2.17
Sortino ratio: Return per unit of downside risk	2.54	-0.14	+2.68
Omega ratio: Gain probability vs. loss probability	1.30	0.98	+0.32
Calmar ratio: Return relative to maximum drawdown	3.24	-0.38	+3.62
Martin ratio: Return relative to average drawdown	11.44	-0.62	+12.06
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IWM vs. STXS - Sharpe Ratio Comparison

The current IWM Sharpe Ratio is 1.83, which is higher than the STXS Sharpe Ratio of -0.34. The chart below compares the historical Sharpe Ratios of IWM and STXS, 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

	IWM	STXS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.83	-0.34	+2.17
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.24	-0.40	+0.65
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.47	0.06	+0.41
Sharpe Ratio (All Time) Calculated using the full available price history	0.36	-0.16	+0.53

Drawdowns

IWM vs. STXS - Drawdown Comparison

The maximum IWM drawdown since its inception was -59.05%, smaller than the maximum STXS drawdown of -99.68%. Use the drawdown chart below to compare losses from any high point for IWM and STXS.

Drawdown Indicators

	IWM	STXS	Difference
Max Drawdown Largest peak-to-trough decline	-59.05%	-99.68%	+40.63%
Max Drawdown (1Y) Largest decline over 1 year	-11.03%	-51.54%	+40.51%
Max Drawdown (3Y) Largest decline over 3 years	-27.50%	-51.54%	+24.04%
Max Drawdown (5Y) Largest decline over 5 years	-31.91%	-86.04%	+54.13%
Max Drawdown (10Y) Largest decline over 10 years	-41.13%	-86.04%	+44.91%
Current Drawdown Current decline from peak	-2.71%	-98.88%	+96.17%
Average Drawdown Average peak-to-trough decline	-10.76%	-82.60%	+71.84%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.11%	31.34%	-28.23%

Volatility

IWM vs. STXS - Volatility Comparison

The current volatility for iShares Russell 2000 ETF (IWM) is 6.52%, while Stereotaxis, Inc. (STXS) has a volatility of 17.07%. This indicates that IWM experiences smaller price fluctuations and is considered to be less risky than STXS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IWM	STXS	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.52%	17.07%	-10.55%
Volatility (6M) Calculated over the trailing 6-month period	14.00%	33.64%	-19.64%
Volatility (1Y) Calculated over the trailing 1-year period	19.53%	57.17%	-37.64%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.58%	66.26%	-43.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.07%	74.96%	-51.89%

Dividends

IWM vs. STXS - Dividend Comparison

IWM's dividend yield for the trailing twelve months is around 0.89%, while STXS has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IWM iShares Russell 2000 ETF	0.89%	1.04%	1.15%	1.35%	1.48%	0.94%	1.04%	1.26%	1.40%	1.26%	1.38%	1.54%
STXS Stereotaxis, 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%

Frequently Asked Questions

Can I hold both IWM and STXS in my portfolio?

IWM and STXS have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IWM or STXS?

STXS has higher volatility (17.07%) compared to IWM (6.52%). In terms of maximum drawdown, IWM dropped -59.05% vs STXS's -99.68%.

Which has better risk-adjusted returns?

IWM currently has the higher Sharpe Ratio (1.83 vs -0.34), 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.