IWR vs. SPMD

Last updated Apr 1, 2026

Compare and contrast key facts about iShares Russell Midcap ETF (IWR) and SPDR Portfolio S&P 400 Mid Cap ETF (SPMD).

IWR and SPMD are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. IWR is a passively managed fund by iShares that tracks the performance of the Russell Midcap Index. It was launched on Jul 17, 2001. SPMD is a passively managed fund by State Street that tracks the performance of the S&P MidCap 400 Index. It was launched on Nov 8, 2005. Both IWR and SPMD are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

IWR vs. SPMD - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Russell Midcap ETF (IWR) and SPDR Portfolio S&P 400 Mid Cap ETF (SPMD). The values are adjusted to include any dividend payments, if applicable.

IWR vs. SPMD - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IWR iShares Russell Midcap ETF	1.27%	10.37%	15.21%	17.05%	-17.48%	22.44%	16.93%	30.23%	-9.10%	18.25%
SPMD SPDR Portfolio S&P 400 Mid Cap ETF	2.59%	7.44%	13.91%	16.48%	-13.13%	24.76%	13.46%	25.19%	-10.34%	15.12%

Returns By Period

In the year-to-date period, IWR achieves a 1.27% return, which is significantly lower than SPMD's 2.59% return. Both investments have delivered pretty close results over the past 10 years, with IWR having a 10.69% annualized return and SPMD not far ahead at 10.73%.

IWR

• 1D: 2.63%
• 1M: -5.34%
• YTD: 1.27%
• 6M: 1.38%
• 1Y: 15.79%
• 3Y*: 13.14%
• 5Y*: 6.77%
• 10Y*: 10.69%

SPMD

• 1D: 2.99%
• 1M: -5.29%
• YTD: 2.59%
• 6M: 4.27%
• 1Y: 17.37%
• 3Y*: 12.11%
• 5Y*: 6.60%
• 10Y*: 10.73%

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

IWR vs. SPMD - Expense Ratio Comparison

IWR has a 0.19% expense ratio, which is higher than SPMD's 0.05% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

IWR

iShares Russell Midcap ETF

SPMD

SPDR Portfolio S&P 400 Mid Cap ETF

Return for Risk

IWR vs. SPMD — Risk / Return Rank

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

IWR

IWR Risk / Return Rank: 52
IWR Sharpe Ratio Rank: 48
IWR Sortino Ratio Rank: 50
IWR Omega Ratio Rank: 50
IWR Calmar Ratio Rank: 52
IWR Martin Ratio Rank: 60

SPMD

SPMD Risk / Return Rank: 52
SPMD Sharpe Ratio Rank: 49
SPMD Sortino Ratio Rank: 51
SPMD Omega Ratio Rank: 49
SPMD Calmar Ratio Rank: 53
SPMD Martin Ratio Rank: 59

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.

IWR vs. SPMD - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Russell Midcap ETF (IWR) and SPDR Portfolio S&P 400 Mid Cap ETF (SPMD). 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.

	IWR	SPMD	Difference
Sharpe ratio Return per unit of total volatility	0.83	0.83	+0.01
Sortino ratio Return per unit of downside risk	1.28	1.30	-0.02
Omega ratio Gain probability vs. loss probability	1.18	1.18	0.00
Calmar ratio Return relative to maximum drawdown	1.22	1.25	-0.03
Martin ratio Return relative to average drawdown	5.67	5.41	+0.26
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IWR vs. SPMD - Sharpe Ratio Comparison

The current IWR Sharpe Ratio is 0.83, which is comparable to the SPMD Sharpe Ratio of 0.83. The chart below compares the historical Sharpe Ratios of IWR and SPMD, 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

	IWR	SPMD	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.83	0.83	+0.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.37	0.34	+0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.55	0.51	+0.05
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	0.43	+0.05

Correlation

The correlation between IWR and SPMD is 0.91, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

IWR vs. SPMD - Dividend Comparison

IWR's dividend yield for the trailing twelve months is around 1.28%, less than SPMD's 1.37% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IWR iShares Russell Midcap ETF	1.28%	1.29%	1.27%	1.43%	1.59%	1.04%	1.28%	1.43%	1.98%	1.52%	1.72%	1.59%
SPMD SPDR Portfolio S&P 400 Mid Cap ETF	1.37%	1.39%	1.42%	1.47%	1.64%	1.24%	1.30%	1.57%	1.85%	1.97%	2.13%	5.33%

Drawdowns

IWR vs. SPMD - Drawdown Comparison

The maximum IWR drawdown since its inception was -58.78%, roughly equal to the maximum SPMD drawdown of -57.62%. Use the drawdown chart below to compare losses from any high point for IWR and SPMD.

Drawdown Indicators

	IWR	SPMD	Difference
Max Drawdown Largest peak-to-trough decline	-58.78%	-57.62%	-1.16%
Max Drawdown (1Y) Largest decline over 1 year	-13.38%	-14.12%	+0.74%
Max Drawdown (5Y) Largest decline over 5 years	-26.18%	-24.08%	-2.10%
Max Drawdown (10Y) Largest decline over 10 years	-40.59%	-41.86%	+1.27%
Current Drawdown Current decline from peak	-5.75%	-6.13%	+0.38%
Average Drawdown Average peak-to-trough decline	-7.85%	-8.18%	+0.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.89%	3.27%	-0.38%

Volatility

IWR vs. SPMD - Volatility Comparison

The current volatility for iShares Russell Midcap ETF (IWR) is 5.53%, while SPDR Portfolio S&P 400 Mid Cap ETF (SPMD) has a volatility of 6.56%. This indicates that IWR experiences smaller price fluctuations and is considered to be less risky than SPMD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IWR	SPMD	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.53%	6.56%	-1.03%
Volatility (6M) Calculated over the trailing 6-month period	10.46%	11.95%	-1.49%
Volatility (1Y) Calculated over the trailing 1-year period	19.07%	21.11%	-2.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.25%	19.71%	-1.46%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.35%	21.18%	-1.83%