iShares Core 1-5 Year USD Bond ETF (ISTB) closed at $47.30 on October 21, 2026, unchanged from the previous close, on volume of 527,246 shares (30-day average 744,502).
Data as of October 21, 2026.
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The iShares Core 1-5 Year USD Bond ETF seeks to track the investment results of an index composed of U.S. dollar-denominated bonds that are rated either investment grade or high yield with remaining maturities between one and five years.
iShares Core 1-5 Year USD Bond ETF trades on the NASDAQ stock market under the symbol ISTB.
As of October 22, 2026, ISTB stock price climbed to $47.44 with 151,176 million shares trading.
ISTB has a beta of 0.05, meaning it tends to be less sensitive to market movements. ISTB has a correlation of 0.13 to the broad based SPY ETF.
ISTB has a market cap of $5.34 billion. This is considered a Mid Cap stock.
In the last 3 years, ISTB traded as high as $49.05 and as low as $45.37.
ISTB has underperformed the market in the last year with a return of +1.1%, while the SPY ETF gained +15.1%. In the last 3 month period, ISTB fell short of the market, returning -0.1%, while SPY returned +2.5%. However, in the most recent 2 weeks ISTB has outperformed the stock market by returning +0.5%, while SPY returned -1.5%.
ISTB support price is $47.22 and resistance is $47.38 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that ISTB shares will trade within this expected range on the day.
