- ISIN
- US46434V6130
- CUSIP
- 46434V613
- Issuer
- iShares
- Inception Date
- Jun 10, 2014
- Region
- North America (U.S.)
- Category
- Intermediate Core-Plus Bond
- Leveraged
- 1x (No leverage)
- Index Tracked
- Bloomberg U.S. Universal Index
- Domicile
- United States
- Distribution Policy
- Distributing
- Asset Class
- Bond
- Assets Under Management
- $41B
Share Price Chart
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Performance
IUSB Performance Chart
iShares Core Universal USD Bond ETF (IUSB) is up 0.3% since the beginning of the year. IUSB is currently trading at $46 per share. Investors who bought $1,000 worth of IUSB shares 5 years ago would now be looking at an investment worth $1,015.
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Returns By Period
iShares Core Universal USD Bond ETF (IUSB) has returned 0.28% so far this year and 5.33% over the past 12 months. Over the last ten years, IUSB has returned 1.90% per year, falling short of the S&P 500 Index benchmark, which averaged 13.42% annually.
iShares Core Universal USD Bond ETF
- 1D
- 0.24%
- 1M
- -0.43%
- YTD
- 0.28%
- 6M
- 0.70%
- 1Y
- 5.33%
- 3Y*
- 4.49%
- 5Y*
- 0.30%
- 10Y*
- 1.90%
Benchmark (S&P 500 Index)
- 1D
- -0.26%
- 1M
- -0.17%
- YTD
- 7.91%
- 6M
- 7.98%
- 1Y
- 22.99%
- 3Y*
- 19.77%
- 5Y*
- 11.75%
- 10Y*
- 13.42%
IUSB Monthly Returns History
Based on dividend-adjusted daily data since Jun 12, 2014, IUSB's average daily return is +0.01%, while the average monthly return is +0.19%. At this rate, an investment would double in approximately 30.4 years.
Historically, 57% of months were positive and 43% were negative. The best month was Nov 2023 with a return of +4.6%, while the worst month was Sep 2022 at -4.1%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 6 months.
On a daily basis, IUSB closed higher 51% of trading days. The best single day was Mar 23, 2020 with a return of +2.2%, while the worst single day was Mar 12, 2020 at -3.7%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.24% | 1.54% | -1.81% | 0.40% | 0.29% | -0.35% | 0.28% | ||||||
| 2025 | 0.55% | 2.11% | -0.03% | 0.29% | -0.41% | 1.53% | -0.17% | 1.23% | 1.05% | 0.62% | 0.63% | -0.21% | 7.38% |
| 2024 | 0.43% | -1.76% | 0.90% | -2.35% | 1.79% | 0.80% | 2.33% | 1.47% | 1.37% | -2.37% | 1.15% | -1.52% | 2.11% |
| 2023 | 3.34% | -2.61% | 2.61% | 0.49% | -1.09% | -0.03% | -0.03% | -0.59% | -2.40% | -1.59% | 4.59% | 3.70% | 6.23% |
| 2022 | -2.13% | -1.27% | -2.68% | -3.86% | 0.59% | -1.90% | 2.58% | -2.79% | -4.12% | -1.12% | 4.34% | -1.19% | -13.04% |
| 2021 | -0.59% | -1.49% | -0.98% | 0.78% | 0.21% | 0.83% | 0.98% | -0.07% | -0.94% | -0.07% | 0.10% | -0.07% | -1.33% |
Benchmark Metrics
iShares Core Universal USD Bond ETF has an annualized alpha of 1.82%, beta of 0.04, and R2 of 0.02 versus S&P 500 Index. Calculated based on daily prices since June 12, 2014.
- This ETF participated in 16.55% of S&P 500 Index downside but only 13.69% of its upside - more exposed to losses than it benefited from rallies.
- Beta of 0.04 may look defensive, but with R2 of 0.02 this ETF is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this ETF's risk.
- R2 of 0.02 means this ETF moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 1.82%
- Beta
- 0.04
- R²
- 0.02
- Upside Capture
- 13.69%
- Downside Capture
- 16.55%
Expense Ratio
IUSB has an expense ratio of 0.06%, which is considered low.
Return for Risk
Risk / Return Rank
IUSB ranks 49 for risk / return — on par with similar ETFs. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for iShares Core Universal USD Bond ETF (IUSB) and compare them to S&P 500 Index.
| IUSB | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.40 | ||
| Sortino ratioReturn per unit of downside risk | -0.35 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.35 | -0.08 |
| Calmar ratioReturn relative to maximum drawdown | 2.12 | 2.54 | -0.42 |
| Martin ratioReturn relative to average drawdown | 6.28 | 11.58 | -5.29 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Dividends
Dividend History
iShares Core Universal USD Bond ETF provided a 4.24% dividend yield over the last twelve months, with an annual payout of $1.94 per share. The fund has been increasing its distributions for 4 consecutive years.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $1.94 | $1.94 | $1.82 | $1.60 | $1.13 | $0.92 | $1.46 | $1.58 | $1.47 | $1.30 | $1.31 | $0.97 |
Dividend yield | 4.24% | 4.17% | 4.04% | 3.46% | 2.53% | 1.74% | 2.68% | 3.04% | 2.98% | 2.56% | 2.60% | 1.95% |
Monthly Dividends
The table displays the monthly dividend distributions for iShares Core Universal USD Bond ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.17 | $0.16 | $0.16 | $0.16 | $0.15 | $0.80 | ||||||
| 2025 | $0.00 | $0.15 | $0.16 | $0.16 | $0.16 | $0.17 | $0.16 | $0.17 | $0.16 | $0.17 | $0.16 | $0.32 | $1.94 |
| 2024 | $0.00 | $0.13 | $0.15 | $0.15 | $0.15 | $0.15 | $0.15 | $0.16 | $0.16 | $0.15 | $0.16 | $0.32 | $1.82 |
| 2023 | $0.00 | $0.12 | $0.12 | $0.12 | $0.13 | $0.14 | $0.13 | $0.14 | $0.13 | $0.13 | $0.14 | $0.29 | $1.60 |
| 2022 | $0.00 | $0.07 | $0.07 | $0.09 | $0.09 | $0.09 | $0.09 | $0.10 | $0.10 | $0.10 | $0.10 | $0.23 | $1.13 |
| 2021 | $0.00 | $0.10 | $0.09 | $0.08 | $0.07 | $0.07 | $0.07 | $0.08 | $0.08 | $0.08 | $0.08 | $0.12 | $0.92 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the iShares Core Universal USD Bond ETF. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the iShares Core Universal USD Bond ETF was 17.90%, occurring on Oct 20, 2022. Recovery took 751 trading sessions.
The current iShares Core Universal USD Bond ETF drawdown is 1.48%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Bear market2022 | -17.90%Oct 2022 | 1y 9mo | 3y 1d | 4y 9moJan 2021 - Oct 2025 |
COVID crash2020 | -9.90%Mar 2020 | 10d | 2mo 23d | 3mo 3dMar 2020 - Jun 2020 |
2016 pullback2016 | -4.01%Dec 2016 | 3mo 8d | 7mo 8d | 10mo 16dSep 2016 - Jul 2017 |
2018 pullback2018 | -3.26%May 2018 | 8mo 10d | 8mo 19d | 1y 4moSep 2017 - Jan 2019 |
2015 pullback2015 | -2.58%Jun 2015 | 1mo 14d | 9mo 10d | 10mo 24dApr 2015 - Mar 2016 |
Drawdown Indicators
| IUSB | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -17.90% | -56.78% | +38.88% |
Max Drawdown (1Y)Largest decline over 1 year | -2.53% | -9.10% | +6.57% |
Max Drawdown (3Y)Largest decline over 3 years | -5.82% | -18.90% | +13.08% |
Max Drawdown (5Y)Largest decline over 5 years | -17.87% | -25.43% | +7.56% |
Max Drawdown (10Y)Largest decline over 10 years | -17.90% | -33.92% | +16.02% |
Current DrawdownCurrent decline from peak | -1.48% | -2.93% | +1.45% |
Average DrawdownAverage peak-to-trough decline | -3.59% | -10.72% | +7.13% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.85% | 1.99% | -1.14% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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