IUSB vs. SOXX

Last updated Jun 4, 2026

IUSB (iShares Core Universal USD Bond ETF) and SOXX (iShares Semiconductor ETF) are both exchange-traded funds - IUSB is a Intermediate Core-Plus Bond fund tracking the Bloomberg U.S. Universal Index, while SOXX is a Semiconductors fund tracking the NYSE Semiconductor Index. Both are passively managed. Over the past 10 years, IUSB returned 1.94%/yr vs 35.79%/yr for SOXX. At a 0.04 correlation, their price movements are largely independent. IUSB charges 0.06%/yr vs 0.34%/yr for SOXX.

Performance

IUSB vs. SOXX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Core Universal USD Bond ETF (IUSB) and iShares Semiconductor ETF (SOXX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IUSB achieves a 0.43% return, which is significantly lower than SOXX's 104.57% return. Over the past 10 years, IUSB has underperformed SOXX with an annualized return of 1.94%, while SOXX has yielded a comparatively higher 35.79% annualized return.

IUSB

• 1D: -0.17%
• 1M: 0.31%
• YTD: 0.43%
• 6M: 0.31%
• 1Y: 5.54%
• 3Y*: 4.51%
• 5Y*: 0.44%
• 10Y*: 1.94%

SOXX

• 1D: 1.76%
• 1M: 33.25%
• YTD: 104.57%
• 6M: 99.43%
• 1Y: 190.05%
• 3Y*: 57.39%
• 5Y*: 34.50%
• 10Y*: 35.79%

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

IUSB vs. SOXX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IUSB iShares Core Universal USD Bond ETF	0.43%	7.38%	2.11%	6.23%	-13.04%	-1.33%	7.62%	9.13%	-0.27%	3.82%
SOXX iShares Semiconductor ETF	104.57%	40.74%	12.92%	67.12%	-35.09%	44.09%	52.72%	62.42%	-6.49%	39.79%

Correlation

The correlation between IUSB and SOXX is 0.19, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.19
Correlation (3Y) Calculated over the trailing 3-year period	0.14
Correlation (5Y) Calculated over the trailing 5-year period	0.15
Correlation (10Y) Calculated over the trailing 10-year period	0.06
Correlation (All Time) Calculated using the full available price history since Jun 13, 2014	0.04

The correlation between IUSB and SOXX shifts across timeframes, from 0.04 (all time) to 0.19 (1 year), reflecting how their relationship changes across market environments.

IUSB vs. SOXX - Sectors Allocation Comparison

Sectors	IUSB	SOXX
Energy	100.0%	-
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Financial Services	-	-
Healthcare	-	-
Industrials	-	-
Real Estate	-	-
Technology	-	100.0%
Utilities	-	-

Return for Risk

IUSB vs. SOXX — Risk / Return Rank

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

IUSB

IUSB Risk / Return Rank: 43
IUSB Sharpe Ratio Rank: 43
IUSB Sortino Ratio Rank: 45
IUSB Omega Ratio Rank: 41
IUSB Calmar Ratio Rank: 43
IUSB Martin Ratio Rank: 41

SOXX

SOXX Risk / Return Rank: 97
SOXX Sharpe Ratio Rank: 98
SOXX Sortino Ratio Rank: 95
SOXX Omega Ratio Rank: 95
SOXX Calmar Ratio Rank: 97
SOXX Martin Ratio Rank: 97

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.

IUSB vs. SOXX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Core Universal USD Bond ETF (IUSB) and iShares Semiconductor ETF (SOXX). 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.

	IUSB	SOXX	Difference
Sharpe ratio: Return per unit of total volatility	1.54	5.61	-4.07
Sortino ratio: Return per unit of downside risk	2.30	5.36	-3.05
Omega ratio: Gain probability vs. loss probability	1.27	1.74	-0.47
Calmar ratio: Return relative to maximum drawdown	2.20	12.13	-9.93
Martin ratio: Return relative to average drawdown	6.68	46.43	-39.75
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IUSB vs. SOXX - Sharpe Ratio Comparison

The current IUSB Sharpe Ratio is 1.54, which is lower than the SOXX Sharpe Ratio of 5.61. The chart below compares the historical Sharpe Ratios of IUSB and SOXX, 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

	IUSB	SOXX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.54	5.61	-4.07
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.08	0.96	-0.88
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.39	1.07	-0.69
Sharpe Ratio (All Time) Calculated using the full available price history	0.46	0.45	+0.01

Drawdowns

IUSB vs. SOXX - Drawdown Comparison

The maximum IUSB drawdown since its inception was -17.90%, smaller than the maximum SOXX drawdown of -70.21%. Use the drawdown chart below to compare losses from any high point for IUSB and SOXX.

Drawdown Indicators

	IUSB	SOXX	Difference
Max Drawdown Largest peak-to-trough decline	-17.90%	-70.21%	+52.31%
Max Drawdown (1Y) Largest decline over 1 year	-2.53%	-15.77%	+13.24%
Max Drawdown (3Y) Largest decline over 3 years	-5.82%	-41.36%	+35.54%
Max Drawdown (5Y) Largest decline over 5 years	-17.87%	-45.75%	+27.88%
Max Drawdown (10Y) Largest decline over 10 years	-17.90%	-45.75%	+27.85%
Current Drawdown Current decline from peak	-1.33%	0.00%	-1.33%
Average Drawdown Average peak-to-trough decline	-3.59%	-19.97%	+16.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.83%	4.11%	-3.28%

Volatility

IUSB vs. SOXX - Volatility Comparison

The current volatility for iShares Core Universal USD Bond ETF (IUSB) is 1.24%, while iShares Semiconductor ETF (SOXX) has a volatility of 14.03%. This indicates that IUSB experiences smaller price fluctuations and is considered to be less risky than SOXX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IUSB	SOXX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.24%	14.03%	-12.79%
Volatility (6M) Calculated over the trailing 6-month period	2.62%	27.35%	-24.73%
Volatility (1Y) Calculated over the trailing 1-year period	3.62%	34.18%	-30.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.79%	36.11%	-30.32%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.04%	33.43%	-28.39%

IUSB vs. SOXX - Expense Ratio Comparison

IUSB has a 0.06% expense ratio, which is lower than SOXX's 0.34% expense ratio.

Dividends

IUSB vs. SOXX - Dividend Comparison

IUSB's dividend yield for the trailing twelve months is around 4.23%, more than SOXX's 0.27% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IUSB iShares Core Universal USD Bond ETF	4.23%	4.17%	4.04%	3.46%	2.53%	1.74%	2.68%	3.04%	2.98%	2.56%	2.60%	1.95%
SOXX iShares Semiconductor ETF	0.27%	0.57%	0.67%	0.78%	1.26%	0.64%	0.81%	1.23%	1.37%	0.90%	1.08%	1.29%

Frequently Asked Questions

Can I hold both IUSB and SOXX in my portfolio?

IUSB and SOXX have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IUSB or SOXX?

SOXX has higher volatility (14.03%) compared to IUSB (1.24%). In terms of maximum drawdown, IUSB dropped -17.90% vs SOXX's -70.21%.

Which ETF is better, IUSB or SOXX?

On 10-year performance, SOXX leads with 35.79% vs 1.94% for IUSB. On fees, IUSB is cheaper at 0.06% per year. On volatility, IUSB has been the lower-risk option at 1.24%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, IUSB or SOXX?

Over the 10-year period, SOXX has performed better with a 35.79% return vs 1.94%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, IUSB or SOXX?

IUSB is cheaper with a 0.06% expense ratio, compared with 0.34% for SOXX.

Which ETF pays a higher dividend yield, IUSB or SOXX?

IUSB has the higher dividend yield at 4.23%, compared with 0.27% for SOXX.

What is the main difference between IUSB and SOXX?

IUSB is categorized as Intermediate Core-Plus Bond, while SOXX is Semiconductors. IUSB tracks Bloomberg U.S. Universal Index, while SOXX tracks NYSE Semiconductor Index. Their fees differ too: 0.06% for IUSB and 0.34% for SOXX.

Which has better risk-adjusted returns?

SOXX currently has the higher Sharpe Ratio (5.61 vs 1.54), 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.