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iShares Core 1-5 Year USD Bond ETF (ISTB)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

ETF Info

ISIN
US46432F8595
CUSIP
46432F859
Issuer
iShares
Inception Date
Oct 18, 2012
Region
North America (U.S.)
Leveraged
1x (No leverage)
Index Tracked
BBG US Universal 1-5 Year Index (USD)
Domicile
United States
Distribution Policy
Distributing
Asset Class
Bond

Share Price Chart


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Performance

Performance Chart

The chart shows the growth of an initial investment of $10,000 in iShares Core 1-5 Year USD Bond ETF, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.


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S&P 500 Index

Returns By Period

iShares Core 1-5 Year USD Bond ETF (ISTB) has returned 0.10% so far this year and 4.49% over the past 12 months. Over the last ten years, ISTB has returned 2.31% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.


iShares Core 1-5 Year USD Bond ETF

1D
0.21%
1M
-0.81%
YTD
0.10%
6M
1.31%
1Y
4.49%
3Y*
4.77%
5Y*
1.87%
10Y*
2.31%

Benchmark (S&P 500 Index)

1D
2.91%
1M
-5.09%
YTD
-4.63%
6M
-2.39%
1Y
16.33%
3Y*
16.69%
5Y*
10.18%
10Y*
12.16%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Monthly Returns

Based on dividend-adjusted daily data since Oct 24, 2012, ISTB's average daily return is +0.01%, while the average monthly return is +0.17%. At this rate, your investment would double in approximately 34.0 years.

Historically, 60% of months were positive and 40% were negative. The best month was Nov 2023 with a return of +2.0%, while the worst month was Sep 2022 at -2.0%. The longest winning streak lasted 10 consecutive months, and the longest losing streak was 8 months.

On a daily basis, ISTB closed higher 50% of trading days. The best single day was Mar 24, 2020 with a return of +1.6%, while the worst single day was Mar 12, 2020 at -1.6%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20260.29%0.62%-0.81%0.10%
20250.54%0.97%0.37%0.82%-0.03%0.87%0.06%1.03%0.35%0.39%0.52%0.31%6.36%
20240.36%-0.55%0.53%-0.78%1.08%0.51%1.65%1.08%1.00%-0.99%0.52%-0.08%4.37%
20231.53%-1.23%1.70%0.41%-0.43%-0.38%0.49%0.23%-0.52%-0.06%1.99%1.76%5.56%
2022-1.09%-0.79%-1.82%-0.94%0.33%-1.16%1.21%-1.45%-2.02%-0.14%1.78%-0.08%-6.08%
20210.04%-0.39%-0.03%0.28%0.26%-0.11%0.24%0.05%-0.34%-0.49%-0.21%-0.01%-0.71%

Benchmark Metrics

iShares Core 1-5 Year USD Bond ETF has an annualized alpha of 1.79%, beta of 0.02, and R² of 0.02 versus S&P 500 Index. Calculated based on daily prices since October 25, 2012.

  • This ETF participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (8.32%) than losses (4.43%) — typical of diversified or defensive assets.
  • Beta of 0.02 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
1.79%
Beta
0.02
0.02
Upside Capture
8.32%
Downside Capture
4.43%

Expense Ratio

ISTB has an expense ratio of 0.06%, which is considered low.


Return for Risk

Risk / Return Rank

ISTB ranks 94 for risk / return — in the top 94% of ETFs on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.


ISTB Risk / Return Rank: 9494
Overall Rank
ISTB Sharpe Ratio Rank: 9494
Sharpe Ratio Rank
ISTB Sortino Ratio Rank: 9797
Sortino Ratio Rank
ISTB Omega Ratio Rank: 9595
Omega Ratio Rank
ISTB Calmar Ratio Rank: 9393
Calmar Ratio Rank
ISTB Martin Ratio Rank: 9494
Martin Ratio Rank
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.

Return / Risk — by metrics

The table below present risk-adjusted performance metrics for iShares Core 1-5 Year USD Bond ETF (ISTB) and compare them to a chosen benchmark (S&P 500 Index).


ISTBBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

2.32

0.90

+1.43

Sortino ratio

Return per unit of downside risk

3.56

1.39

+2.17

Omega ratio

Gain probability vs. loss probability

1.47

1.21

+0.26

Calmar ratio

Return relative to maximum drawdown

3.62

1.40

+2.22

Martin ratio

Return relative to average drawdown

14.54

6.61

+7.94

Explore ISTB risk-adjusted metrics in detail

Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.

Dividends

Dividend History

iShares Core 1-5 Year USD Bond ETF provided a 4.18% dividend yield over the last twelve months, with an annual payout of $2.03 per share. The fund has been increasing its distributions for 4 consecutive years.


1.50%2.00%2.50%3.00%3.50%4.00%$0.00$0.50$1.00$1.50$2.0020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$2.03$2.01$1.83$1.41$0.94$0.85$1.13$1.38$1.26$1.03$0.95$0.78

Dividend yield

4.18%4.12%3.83%2.97%2.01%1.69%2.20%2.75%2.57%2.06%1.90%1.58%

Monthly Dividends

The table displays the monthly dividend distributions for iShares Core 1-5 Year USD Bond ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$0.17$0.17$0.34
2025$0.00$0.16$0.16$0.17$0.16$0.17$0.17$0.17$0.17$0.17$0.17$0.34$2.01
2024$0.00$0.14$0.14$0.15$0.15$0.15$0.15$0.15$0.16$0.16$0.16$0.32$1.83
2023$0.00$0.10$0.10$0.11$0.11$0.11$0.12$0.12$0.12$0.12$0.13$0.28$1.41
2022$0.00$0.06$0.06$0.07$0.07$0.07$0.07$0.08$0.08$0.09$0.09$0.19$0.94
2021$0.00$0.08$0.08$0.07$0.07$0.07$0.07$0.07$0.06$0.07$0.07$0.15$0.85

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 1-5 Year 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 1-5 Year USD Bond ETF was 9.34%, occurring on Oct 20, 2022. Recovery took 431 trading sessions.

The current iShares Core 1-5 Year USD Bond ETF drawdown is 0.81%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-9.34%Aug 4, 2021307Oct 20, 2022431Jul 11, 2024738
-6.06%Mar 9, 20209Mar 19, 202040May 15, 202049
-2.26%May 9, 201383Sep 5, 2013236Aug 13, 2014319
-1.63%Sep 8, 2017172May 15, 2018148Dec 14, 2018320
-1.45%Oct 24, 201638Dec 15, 201673Apr 3, 2017111

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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