IWB vs. SELV

Last updated Jul 14, 2026

IWB (iShares Russell 1000 ETF) and SELV (SEI Enhanced Low Volatility US Large Cap ETF) are both Large Cap Blend Equities funds. IWB is passively managed, while SELV is actively managed. Over the past 3 years, IWB returned 19.75%/yr vs 11.44%/yr for SELV. A 0.69 correlation means they provide meaningful diversification when combined. Both charge a 0.15% expense ratio.

Performance

IWB vs. SELV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Russell 1000 ETF (IWB) and SEI Enhanced Low Volatility US Large Cap ETF (SELV). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IWB achieves a 10.28% return, which is significantly higher than SELV's 4.65% return.

IWB

• 1D: -0.75%
• 1M: 1.30%
• 6M: 8.04%
• YTD: 10.28%
• 1Y: 20.86%
• 3Y*: 19.75%
• 5Y*: 12.22%
• 10Y*: 14.80%

SELV

• 1D: 0.81%
• 1M: 1.85%
• 6M: 3.60%
• YTD: 4.65%
• 1Y: 10.70%
• 3Y*: 11.44%
• 5Y*: —
• 10Y*: —

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

IWB vs. SELV - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
IWB iShares Russell 1000 ETF	10.28%	17.18%	24.32%	26.39%	-5.21%
SELV SEI Enhanced Low Volatility US Large Cap ETF	4.65%	12.86%	14.71%	6.58%	-0.61%

Correlation

The correlation between IWB and SELV is 0.27, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.27
Correlation (3Y) Calculated over the trailing 3-year period	0.57
Correlation (All Time) Calculated using the full available price history since May 18, 2022	0.69

Over the past year, the correlation between IWB and SELV has dropped to 0.27 - well below their long-term average of 0.69, suggesting their price drivers have been diverging.

IWB vs. SELV - Sectors Allocation Comparison

Sectors	IWB	SELV
Technology	37.3%	21.4%
Financial Services	11.3%	4.8%
Communication Services	10.4%	15.8%
Consumer Cyclical	10.0%	4.9%
Industrials	8.7%	7.5%
Healthcare	8.5%	17.0%
Consumer Defensive	4.4%	12.3%
Energy	3.2%	4.3%
Real Estate	2.1%	0.1%
Utilities	2.1%	7.6%
Basic Materials	1.9%	2.8%

Return for Risk

IWB vs. SELV — Risk / Return Rank

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

IWB

IWB Risk / Return Rank: 64
IWB Sharpe Ratio Rank: 63
IWB Sortino Ratio Rank: 62
IWB Omega Ratio Rank: 63
IWB Calmar Ratio Rank: 59
IWB Martin Ratio Rank: 71

SELV

SELV Risk / Return Rank: 41
SELV Sharpe Ratio Rank: 41
SELV Sortino Ratio Rank: 41
SELV Omega Ratio Rank: 38
SELV Calmar Ratio Rank: 45
SELV Martin Ratio Rank: 39

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.

IWB vs. SELV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Russell 1000 ETF (IWB) and SEI Enhanced Low Volatility US Large Cap ETF (SELV). 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.

	IWB	SELV	Difference
Sharpe ratio: Return per unit of total volatility	1.66	1.16	+0.50
Sortino ratio: Return per unit of downside risk	2.30	1.71	+0.60
Omega ratio: Gain probability vs. loss probability	1.30	1.20	+0.10
Calmar ratio: Return relative to maximum drawdown	2.36	1.81	+0.55
Martin ratio: Return relative to average drawdown	10.29	4.84	+5.45

IWB vs. SELV - Sharpe Ratio Comparison

The current IWB Sharpe Ratio is 1.66, which is higher than the SELV Sharpe Ratio of 1.16. The chart below compares the historical Sharpe Ratios of IWB and SELV, 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

IWB vs. SELV - Drawdown Comparison

The maximum IWB drawdown since its inception was -55.38%, which is greater than SELV's maximum drawdown of -13.73%. Use the drawdown chart below to compare losses from any high point for IWB and SELV.

Drawdown Indicators

	IWB	SELV	Difference
Max Drawdown Largest peak-to-trough decline	-55.38%	-13.73%	-41.65%
Max Drawdown (1Y) Largest decline over 1 year	-8.86%	-5.92%	-2.94%
Max Drawdown (3Y) Largest decline over 3 years	-19.09%	-8.94%	-10.15%
Max Drawdown (5Y) Largest decline over 5 years	-25.20%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-34.60%	—	—
Current Drawdown Current decline from peak	-0.94%	-0.34%	-0.60%
Average Drawdown Average peak-to-trough decline	-10.82%	-2.37%	-8.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.03%	2.21%	-0.18%

Volatility

IWB vs. SELV - Volatility Comparison

iShares Russell 1000 ETF (IWB) has a higher volatility of 4.08% compared to SEI Enhanced Low Volatility US Large Cap ETF (SELV) at 3.86%. This indicates that IWB's price experiences larger fluctuations and is considered to be riskier than SELV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IWB	SELV	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.08%	3.86%	+0.22%
Volatility (6M) Calculated over the trailing 6-month period	9.99%	7.24%	+2.75%
Volatility (1Y) Calculated over the trailing 1-year period	12.61%	9.26%	+3.35%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.21%	11.90%	+5.31%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.12%	11.90%	+6.22%

IWB vs. SELV - Expense Ratio Comparison

Both IWB and SELV have an expense ratio of 0.15%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

IWB vs. SELV - Dividend Comparison

IWB's dividend yield for the trailing twelve months is around 0.92%, less than SELV's 1.71% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IWB iShares Russell 1000 ETF	0.92%	1.00%	1.14%	1.31%	1.56%	1.09%	1.37%	1.71%	2.06%	1.64%	1.89%	1.95%
SELV SEI Enhanced Low Volatility US Large Cap ETF	1.71%	1.74%	1.77%	2.06%	1.26%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both IWB and SELV in my portfolio?

IWB and SELV have a correlation of 0.27, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IWB or SELV?

IWB has higher volatility (4.08%) compared to SELV (3.86%). In terms of maximum drawdown, IWB dropped -55.38% vs SELV's -13.73%.

Which ETF is better, IWB or SELV?

On 3-year performance, IWB leads with 19.75% vs 11.44% for SELV. Both ETFs have the same 0.15% expense ratio. On volatility, SELV has been the lower-risk option at 3.86%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IWB or SELV?

Over the 3-year period, IWB has performed better with a 19.75% return vs 11.44%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IWB or SELV?

IWB and SELV have the same expense ratio: 0.15% per year.

Which ETF pays a higher dividend yield, IWB or SELV?

SELV has the higher dividend yield at 1.71%, compared with 0.92% for IWB.

What is the main difference between IWB and SELV?

They also come from different issuers: iShares and SEI.

Which has better risk-adjusted returns?

IWB currently has the higher Sharpe Ratio (1.66 vs 1.16), 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.