WPS vs. IWM

Last updated Jun 25, 2026

WPS (iShares International Developed Property ETF) and IWM (iShares Russell 2000 ETF) are both exchange-traded funds - WPS is a REIT fund tracking the S&P Developed ex US Property Index, while IWM is a Small Cap Blend Equities fund tracking the Russell 2000 Index. Both are passively managed. A 0.62 correlation means they provide meaningful diversification when combined. WPS charges 0.48%/yr vs 0.19%/yr for IWM.

Performance

WPS vs. IWM - Performance Comparison

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

Returns By Period

WPS

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

IWM

• 1D: 0.46%
• 1M: 4.31%
• YTD: 21.03%
• 6M: 17.89%
• 1Y: 39.77%
• 3Y*: 19.40%
• 5Y*: 6.33%
• 10Y*: 11.63%

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

WPS vs. IWM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WPS iShares International Developed Property ETF	0.00%	0.00%	-3.59%	7.43%	-24.74%	9.05%	-5.36%	20.34%	-9.03%	22.86%
IWM iShares Russell 2000 ETF	21.03%	12.66%	11.38%	16.83%	-20.48%	14.54%	20.03%	25.39%	-11.12%	14.58%

Correlation

The correlation between WPS and IWM is 0.62, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (3Y) Calculated over the trailing 3-year period	0.36
Correlation (5Y) Calculated over the trailing 5-year period	0.50
Correlation (10Y) Calculated over the trailing 10-year period	0.52
Correlation (All Time) Calculated using the full available price history since Aug 7, 2007	0.62

The correlation between WPS and IWM shifts across timeframes, from 0.36 (3 years) to 0.62 (all time), reflecting how their relationship changes across market environments.

Return for Risk

WPS vs. IWM — Risk / Return Rank

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

WPS

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

IWM

IWM Risk / Return Rank: 70
IWM Sharpe Ratio Rank: 70
IWM Sortino Ratio Rank: 69
IWM Omega Ratio Rank: 61
IWM Calmar Ratio Rank: 77
IWM Martin Ratio Rank: 75

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.

WPS vs. IWM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares International Developed Property ETF (WPS) and iShares Russell 2000 ETF (IWM). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	WPS	IWM	Difference
Sharpe ratio: Return per unit of total volatility	—	2.03	—
Sortino ratio: Return per unit of downside risk	—	2.80	—
Omega ratio: Gain probability vs. loss probability	—	1.33	—
Calmar ratio: Return relative to maximum drawdown	—	3.62	—
Martin ratio: Return relative to average drawdown	—	12.82	—

Drawdowns

Drawdown Indicators

	WPS	IWM	Difference
Max Drawdown Largest peak-to-trough decline	—	-59.05%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-11.03%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-27.50%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-31.91%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-41.13%	—
Current Drawdown Current decline from peak	—	-0.50%	—
Average Drawdown Average peak-to-trough decline	—	-10.74%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	3.11%	—

Volatility

Volatility by Period

	WPS	IWM	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	6.52%	—
Volatility (6M) Calculated over the trailing 6-month period	—	14.30%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	19.71%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	22.60%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	23.06%	—

WPS vs. IWM - Expense Ratio Comparison

WPS has a 0.48% expense ratio, which is higher than IWM's 0.19% expense ratio.

Dividends

WPS vs. IWM - Dividend Comparison

WPS has not paid dividends to shareholders, while IWM's dividend yield for the trailing twelve months is around 0.90%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IWM iShares Russell 2000 ETF	0.90%	1.04%	1.15%	1.35%	1.48%	0.94%	1.04%	1.26%	1.40%	1.26%	1.38%	1.54%
WPS iShares International Developed Property ETF	0.00%	0.00%	2.48%	2.38%	2.63%	4.36%	2.31%	6.81%	4.45%	4.31%	5.73%	3.20%

Frequently Asked Questions

Can I hold both WPS and IWM in my portfolio?

WPS and IWM have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, WPS or IWM?

On fees, IWM is cheaper at 0.19% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, WPS or IWM?

IWM is cheaper with a 0.19% expense ratio, compared with 0.48% for WPS.

Which ETF pays a higher dividend yield, WPS or IWM?

IWM has the higher dividend yield at 0.90%, compared with 0.00% for WPS.

What is the main difference between WPS and IWM?

WPS is categorized as REIT, while IWM is Small Cap Blend Equities. WPS tracks S&P Developed ex US Property Index, while IWM tracks Russell 2000 Index. Their fees differ too: 0.48% for WPS and 0.19% for IWM.