IWS vs. SDY

Last updated Jun 4, 2026

IWS (iShares Russell Mid-Cap Value ETF) and SDY (SPDR S&P Dividend ETF) are both Mid Cap Value Equities funds - IWS tracks the Russell Midcap Value Index while SDY tracks the S&P High Yield Dividend Aristocrats Index. Both are passively managed. Over the past 10 years, IWS returned 10.23%/yr vs 9.29%/yr for SDY. Their correlation of 0.91 suggests significant overlap in exposure. IWS charges 0.23%/yr vs 0.35%/yr for SDY.

Performance

IWS vs. SDY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Russell Mid-Cap Value ETF (IWS) and SPDR S&P Dividend ETF (SDY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IWS achieves a 15.06% return, which is significantly higher than SDY's 7.49% return. Over the past 10 years, IWS has outperformed SDY with an annualized return of 10.23%, while SDY has yielded a comparatively lower 9.29% annualized return.

IWS

• 1D: -0.04%
• 1M: 3.74%
• YTD: 15.06%
• 6M: 15.13%
• 1Y: 27.01%
• 3Y*: 17.40%
• 5Y*: 8.37%
• 10Y*: 10.23%

SDY

• 1D: -0.15%
• 1M: 0.81%
• YTD: 7.49%
• 6M: 7.45%
• 1Y: 12.80%
• 3Y*: 9.83%
• 5Y*: 5.97%
• 10Y*: 9.29%

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

IWS vs. SDY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IWS iShares Russell Mid-Cap Value ETF	15.06%	10.82%	12.91%	12.52%	-12.29%	28.10%	4.83%	26.73%	-12.43%	13.14%
SDY SPDR S&P Dividend ETF	7.49%	8.18%	8.45%	2.61%	-0.54%	25.32%	1.71%	23.29%	-2.74%	15.82%

Correlation

The correlation between IWS and SDY is 0.79, 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	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.89
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Nov 16, 2005	0.91

The correlation between IWS and SDY shifts across timeframes, from 0.79 (1 year) to 0.91 (all time), reflecting how their relationship changes across market environments.

IWS vs. SDY - Sectors Allocation Comparison

Sectors	IWS	SDY
Industrials	16.7%	17.5%
Technology	16.5%	8.7%
Financial Services	14.1%	11.5%
Real Estate	8.6%	4.6%
Consumer Cyclical	8.4%	5.2%
Energy	8.1%	4.6%
Healthcare	7.3%	6.2%
Utilities	7.0%	14.8%
Basic Materials	5.4%	6.4%
Consumer Defensive	4.8%	17.1%
Communication Services	3.1%	3.5%

Return for Risk

IWS vs. SDY — Risk / Return Rank

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

IWS

IWS Risk / Return Rank: 65
IWS Sharpe Ratio Rank: 60
IWS Sortino Ratio Rank: 62
IWS Omega Ratio Rank: 58
IWS Calmar Ratio Rank: 72
IWS Martin Ratio Rank: 72

SDY

SDY Risk / Return Rank: 33
SDY Sharpe Ratio Rank: 33
SDY Sortino Ratio Rank: 36
SDY Omega Ratio Rank: 31
SDY Calmar Ratio Rank: 33
SDY 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.

IWS vs. SDY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Russell Mid-Cap Value ETF (IWS) and SPDR S&P Dividend ETF (SDY). 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.

	IWS	SDY	Difference
Sharpe ratio: Return per unit of total volatility	2.06	1.25	+0.82
Sortino ratio: Return per unit of downside risk	2.95	1.92	+1.03
Omega ratio: Gain probability vs. loss probability	1.36	1.22	+0.15
Calmar ratio: Return relative to maximum drawdown	3.60	1.68	+1.93
Martin ratio: Return relative to average drawdown	13.59	4.60	+8.98
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IWS vs. SDY - Sharpe Ratio Comparison

The current IWS Sharpe Ratio is 2.06, which is higher than the SDY Sharpe Ratio of 1.25. The chart below compares the historical Sharpe Ratios of IWS and SDY, 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

	IWS	SDY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.06	1.25	+0.82
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.49	0.43	+0.06
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.53	0.55	-0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.42	0.47	-0.05

Drawdowns

IWS vs. SDY - Drawdown Comparison

The maximum IWS drawdown since its inception was -62.40%, which is greater than SDY's maximum drawdown of -54.75%. Use the drawdown chart below to compare losses from any high point for IWS and SDY.

Drawdown Indicators

	IWS	SDY	Difference
Max Drawdown Largest peak-to-trough decline	-62.40%	-54.75%	-7.65%
Max Drawdown (1Y) Largest decline over 1 year	-7.53%	-7.67%	+0.14%
Max Drawdown (3Y) Largest decline over 3 years	-20.57%	-14.39%	-6.18%
Max Drawdown (5Y) Largest decline over 5 years	-21.23%	-15.21%	-6.02%
Max Drawdown (10Y) Largest decline over 10 years	-43.83%	-36.70%	-7.13%
Current Drawdown Current decline from peak	-0.04%	-4.07%	+4.03%
Average Drawdown Average peak-to-trough decline	-8.02%	-6.21%	-1.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.99%	2.79%	-0.80%

Volatility

IWS vs. SDY - Volatility Comparison

iShares Russell Mid-Cap Value ETF (IWS) has a higher volatility of 3.40% compared to SPDR S&P Dividend ETF (SDY) at 2.47%. This indicates that IWS's price experiences larger fluctuations and is considered to be riskier than SDY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IWS	SDY	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.40%	2.47%	+0.93%
Volatility (6M) Calculated over the trailing 6-month period	9.57%	7.43%	+2.14%
Volatility (1Y) Calculated over the trailing 1-year period	13.19%	10.33%	+2.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.30%	14.03%	+3.27%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.36%	17.08%	+2.28%

IWS vs. SDY - Expense Ratio Comparison

IWS has a 0.23% expense ratio, which is lower than SDY's 0.35% expense ratio.

Dividends

IWS vs. SDY - Dividend Comparison

IWS's dividend yield for the trailing twelve months is around 1.34%, less than SDY's 2.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IWS iShares Russell Mid-Cap Value ETF	1.34%	1.53%	1.50%	1.76%	1.93%	1.39%	1.87%	1.97%	2.53%	1.96%	2.10%	2.14%
SDY SPDR S&P Dividend ETF	2.48%	2.61%	2.56%	2.64%	2.55%	2.63%	2.85%	2.45%	2.73%	4.69%	3.30%	6.20%

Frequently Asked Questions

Can I hold both IWS and SDY in my portfolio?

IWS and SDY have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IWS or SDY?

IWS has higher volatility (3.40%) compared to SDY (2.47%). In terms of maximum drawdown, IWS dropped -62.40% vs SDY's -54.75%.

Which ETF is better, IWS or SDY?

On 10-year performance, IWS leads with 10.23% vs 9.29% for SDY. On fees, IWS is cheaper at 0.23% per year. On volatility, SDY has been the lower-risk option at 2.47%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IWS or SDY?

Over the 10-year period, IWS has performed better with a 10.23% return vs 9.29%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IWS or SDY?

IWS is cheaper with a 0.23% expense ratio, compared with 0.35% for SDY.

Which ETF pays a higher dividend yield, IWS or SDY?

SDY has the higher dividend yield at 2.48%, compared with 1.34% for IWS.

What is the main difference between IWS and SDY?

IWS tracks Russell Midcap Value Index, while SDY tracks S&P High Yield Dividend Aristocrats Index. They also come from different issuers: iShares and State Street. Their fees differ too: 0.23% for IWS and 0.35% for SDY.

Which has better risk-adjusted returns?

IWS currently has the higher Sharpe Ratio (2.06 vs 1.25), 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.