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Ioneer Ltd is a mineral exploration and development company. The company's focus is on the Rhyolite Ridge Lithium-Boron Project located in Nevada, USA. Geographically, the group has a business presence in Australia and North America. The company's focus is to develop a U.S.-based source of lithium and boron.
Ioneer - American Depositary Shares trades on the NASDAQ stock market under the symbol IONR.
As of January 16, 2026, IONR stock price climbed to $6.02 with 91,850 million shares trading.
IONR has a beta of 0.46, meaning it tends to be less sensitive to market movements. IONR has a correlation of 0.01 to the broad based SPY ETF.
IONR has a market cap of $401.51 million. This is considered a Small Cap stock.
In the last 3 years, IONR traded as high as $15.87 and as low as $2.30.
The top ETF exchange traded funds that IONR belongs to (by Net Assets): CCSO.
IONR has outperformed the market in the last year with a price return of +40.3% while the SPY ETF gained +18.1%. However, in the short term, IONR had mixed performance relative to the market. It has underperformed in the last 3 months, returning +3.4% vs +5.0% return in SPY. But in the last 2 weeks, IONR shares have fared better than the market returning +15.3% compared to SPY +1.2%.
IONR support price is $5.48 and resistance is $6.02 (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 IONR shares will trade within this expected range on the day.
