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The iShares S&P Global 100 Index Fund seeks investment results that correspond generally to the price and yield performance before fees and expenses of global large-cap stocks as represented by the Standard & Poors Global 100 Index. The index is a subset of the S&P Global 1200 Index.
iShares Global 100 ETF trades on the ARCA stock market under the symbol IOO.
As of September 3, 2026, IOO stock price climbed to $145.33 with 190,004 million shares trading.
IOO has a beta of 1.12, meaning it tends to be more sensitive to market movements. IOO has a correlation of 0.91 to the broad based SPY ETF.
IOO has a market cap of $9.26 billion. This is considered a Mid Cap stock.
In the last 3 years, IOO traded as high as $146.68 and as low as $70.73.
IOO has outperformed the market in the last year with a price return of +28.6% while the SPY ETF gained +21.8%. However, in the short term, IOO had mixed performance relative to the market. It has underperformed in the last 3 months, returning +1.3% vs +2.0% return in SPY. But in the last 2 weeks, IOO shares have fared better than the market returning +0.7% compared to SPY +0.5%.
IOO support price is $143.41 and resistance is $145.08 (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 IOO shares will trade within this expected range on the day.
