iShares Biotechnology ETF (IBB) closed at $211.55 on October 21, 2026, up 0.5% from the previous close, on volume of 1,337,319 shares (30-day average 1,609,056).
Data as of October 21, 2026.
21-Oct-2026
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The iShares Biotechnology ETF seeks to track the investment results of an index composed of U.S.-listed equities in the biotechnology sector. It provides exposure to U.S. companies in the biotechnology industry.
iShares Biotechnology ETF trades on the NASDAQ stock market under the symbol IBB.
As of October 21, 2026, IBB stock price climbed to $211.55 with 1,337,319 million shares trading.
IBB has a beta of 0.66, meaning it tends to be less sensitive to market movements. IBB has a correlation of 0.16 to the broad based SPY ETF.
IBB has a market cap of $10.92 billion. This is considered a Large Cap stock.
In the last 3 years, IBB traded as high as $217.12 and as low as $107.43.
IBB has outperformed the market in the last year with a price return of +35.8% while the SPY ETF gained +16.3%. IBB has also outperformed the stock market ETF in the last 3 month and 2 week periods returning +11.8% and +4.0%, respectively, while the SPY returned +3.6% and -0.5%, respectively.
IBB support price is $206.91 and resistance is $214.09 (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 IBB shares will trade within this expected range on the day.
