ITOT vs. IWS

Last updated Jun 13, 2026

ITOT (iShares Core S&P Total U.S. Stock Market ETF) and IWS (iShares Russell Mid-Cap Value ETF) are both exchange-traded funds - ITOT is a Large Cap Blend Equities fund tracking the S&P Total Market Index, while IWS is a Mid Cap Value Equities fund tracking the Russell Midcap Value Index. Both are passively managed. Over the past 10 years, ITOT returned 14.99%/yr vs 10.51%/yr for IWS. Their correlation of 0.91 suggests significant overlap in exposure. ITOT charges 0.03%/yr vs 0.23%/yr for IWS.

Performance

ITOT vs. IWS - Performance Comparison

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

Returns By Period

In the year-to-date period, ITOT achieves a 9.69% return, which is significantly lower than IWS's 16.45% return. Over the past 10 years, ITOT has outperformed IWS with an annualized return of 14.99%, while IWS has yielded a comparatively lower 10.51% annualized return.

ITOT

• 1D: 0.59%
• 1M: 0.46%
• YTD: 9.69%
• 6M: 9.77%
• 1Y: 24.78%
• 3Y*: 20.61%
• 5Y*: 12.20%
• 10Y*: 14.99%

IWS

• 1D: 1.16%
• 1M: 4.03%
• YTD: 16.45%
• 6M: 15.28%
• 1Y: 27.58%
• 3Y*: 16.65%
• 5Y*: 8.67%
• 10Y*: 10.51%

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

ITOT vs. IWS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ITOT iShares Core S&P Total U.S. Stock Market ETF	9.69%	17.00%	23.80%	26.12%	-19.47%	25.68%	20.71%	30.67%	-5.33%	21.37%
IWS iShares Russell Mid-Cap Value ETF	16.45%	10.82%	12.91%	12.52%	-12.29%	28.10%	4.83%	26.73%	-12.43%	13.14%

Correlation

The correlation between ITOT and IWS is 0.77, 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	0.77
Correlation (3Y) Calculated over the trailing 3-year period	0.81
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (10Y) Calculated over the trailing 10-year period	0.87
Correlation (All Time) Calculated using the full available price history since Jan 23, 2004	0.91

The correlation between ITOT and IWS shifts across timeframes, from 0.77 (1 year) to 0.91 (all time), reflecting how their relationship changes across market environments.

ITOT vs. IWS - Sectors Allocation Comparison

Sectors	ITOT	IWS
Technology	33.8%	18.2%
Financial Services	12.1%	13.7%
Communication Services	10.3%	3.0%
Consumer Cyclical	10.1%	8.4%
Industrials	9.5%	16.5%
Healthcare	9.0%	7.5%
Consumer Defensive	4.7%	4.8%
Energy	3.7%	7.7%
Real Estate	2.4%	8.2%
Utilities	2.3%	6.5%
Basic Materials	2.1%	5.4%

Return for Risk

ITOT vs. IWS — Risk / Return Rank

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

ITOT

ITOT Risk / Return Rank: 69
ITOT Sharpe Ratio Rank: 70
ITOT Sortino Ratio Rank: 68
ITOT Omega Ratio Rank: 69
ITOT Calmar Ratio Rank: 64
ITOT Martin Ratio Rank: 76

IWS

IWS Risk / Return Rank: 76
IWS Sharpe Ratio Rank: 73
IWS Sortino Ratio Rank: 75
IWS Omega Ratio Rank: 69
IWS Calmar Ratio Rank: 80
IWS Martin Ratio Rank: 81

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.

ITOT vs. IWS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Core S&P Total U.S. Stock Market ETF (ITOT) and iShares Russell Mid-Cap Value ETF (IWS). 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.

	ITOT	IWS	Difference
Sharpe ratio: Return per unit of total volatility	1.96	2.05	-0.09
Sortino ratio: Return per unit of downside risk	2.66	2.91	-0.25
Omega ratio: Gain probability vs. loss probability	1.35	1.36	0.00
Calmar ratio: Return relative to maximum drawdown	2.80	3.68	-0.88
Martin ratio: Return relative to average drawdown	12.50	13.82	-1.32

ITOT vs. IWS - Sharpe Ratio Comparison

The current ITOT Sharpe Ratio is 1.96, which is comparable to the IWS Sharpe Ratio of 2.05. The chart below compares the historical Sharpe Ratios of ITOT and IWS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

ITOT vs. IWS - Drawdown Comparison

The maximum ITOT drawdown since its inception was -55.20%, smaller than the maximum IWS drawdown of -62.40%. Use the drawdown chart below to compare losses from any high point for ITOT and IWS.

Drawdown Indicators

	ITOT	IWS	Difference
Max Drawdown Largest peak-to-trough decline	-55.20%	-62.40%	+7.20%
Max Drawdown (1Y) Largest decline over 1 year	-8.90%	-7.53%	-1.37%
Max Drawdown (3Y) Largest decline over 3 years	-19.44%	-20.57%	+1.13%
Max Drawdown (5Y) Largest decline over 5 years	-25.36%	-21.23%	-4.13%
Max Drawdown (10Y) Largest decline over 10 years	-35.00%	-43.83%	+8.83%
Current Drawdown Current decline from peak	-2.12%	0.00%	-2.12%
Average Drawdown Average peak-to-trough decline	-6.96%	-8.01%	+1.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.99%	2.00%	-0.01%

Volatility

ITOT vs. IWS - Volatility Comparison

iShares Core S&P Total U.S. Stock Market ETF (ITOT) has a higher volatility of 4.57% compared to iShares Russell Mid-Cap Value ETF (IWS) at 4.29%. This indicates that ITOT's price experiences larger fluctuations and is considered to be riskier than IWS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ITOT	IWS	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.57%	4.29%	+0.28%
Volatility (6M) Calculated over the trailing 6-month period	9.85%	9.97%	-0.12%
Volatility (1Y) Calculated over the trailing 1-year period	12.69%	13.53%	-0.84%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.43%	17.36%	+0.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.29%	19.37%	-1.08%

ITOT vs. IWS - Expense Ratio Comparison

ITOT has a 0.03% expense ratio, which is lower than IWS's 0.23% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

ITOT vs. IWS - Dividend Comparison

ITOT's dividend yield for the trailing twelve months is around 0.99%, less than IWS's 1.32% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ITOT iShares Core S&P Total U.S. Stock Market ETF	0.99%	1.11%	1.23%	1.47%	1.66%	1.18%	1.41%	1.88%	2.14%	1.69%	1.83%	2.01%
IWS iShares Russell Mid-Cap Value ETF	1.32%	1.53%	1.50%	1.76%	1.93%	1.39%	1.87%	1.97%	2.53%	1.96%	2.10%	2.14%

Frequently Asked Questions

Can I hold both ITOT and IWS in my portfolio?

ITOT and IWS have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ITOT or IWS?

ITOT has higher volatility (4.57%) compared to IWS (4.29%). In terms of maximum drawdown, ITOT dropped -55.20% vs IWS's -62.40%.

Which ETF is better, ITOT or IWS?

On 10-year performance, ITOT leads with 14.99% vs 10.51% for IWS. On fees, ITOT is cheaper at 0.03% per year. On volatility, IWS has been the lower-risk option at 4.29%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ITOT or IWS?

Over the 10-year period, ITOT has performed better with a 14.99% return vs 10.51%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ITOT or IWS?

ITOT is cheaper with a 0.03% expense ratio, compared with 0.23% for IWS.

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

IWS has the higher dividend yield at 1.32%, compared with 0.99% for ITOT.

What is the main difference between ITOT and IWS?

ITOT is categorized as Large Cap Blend Equities, while IWS is Mid Cap Value Equities. ITOT tracks S&P Total Market Index, while IWS tracks Russell Midcap Value Index. Their fees differ too: 0.03% for ITOT and 0.23% for IWS.

Which has better risk-adjusted returns?

IWS currently has the higher Sharpe Ratio (2.05 vs 1.96), 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.