XBI Stock Summary and Trading Ideas (State Street SPDR S&P Biotech ETF | ARCA:XBI)

The SPDR S&P Biotech ETF seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the S&P Biotechnology Select Industry Index (the Index ). The S&P Biotechnology Select Industry represents the biotechnology segment of the S&P Total Market Index ( S&P TMI ). The S&P TMI is designed to track the broad U.S. equity market. The biotechnology segment of the S&P TMI comprises the Biotechnology sub-industry. The Index is modified equal weighted.

State Street SPDR S&P Biotech ETF trades on the ARCA stock market under the symbol XBI.

As of December 26, 2025, XBI stock price declined to $124.98 with 5,072,271 million shares trading.

XBI has a beta of 0.91, meaning it tends to be less sensitive to market movements. XBI has a correlation of 0.38 to the broad based SPY ETF.

XBI has a market cap of $8.45 billion. This is considered a Mid Cap stock.

In the last 3 years, XBI traded as high as $126.50 and as low as $63.80.

XBI has outperformed the market in the last year with a price return of +36.4% while the SPY ETF gained +16.0%. XBI has also outperformed the stock market ETF in the last 3 month and 2 week periods returning +28.7% and +2.7%, respectively, while the SPY returned +4.7% and +0.7%, respectively.

XBI support price is $124.59 and resistance is $128.01 (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 XBI shares will trade within this expected range on the day.