IonQ, Inc. (IONQ:NYSE) closed at $31.27 on October 23, 2026, up 0.35% on the day. The stock trades 57.5% below its 52-week high of $73.65 and 20.8% above its 52-week low of $25.89. Over the past year, it lost 48.1%. IonQ, Inc. is part of the Finance sector.
In 252 trading sessions since October 23, 2025, IONQ closed higher on 113 days (45%). Its best day was February 26, 2026 (+21.70%) and its worst was November 20, 2025 (-14.37%). The stock moved 10% or more in a single session 16 times. It opened at least 5% above the previous day's high 6 times.
IonQ Inc is a leader in quantum computing, with a track record of innovation and deployment. IonQ's next-generation quantum computer is the most powerful trapped-ion quantum computer. It is the only company with its quantum systems available through the cloud on Amazon Braket, Microsoft Azure, and Google Cloud, as well as through direct API access.
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Based on end-of-day data. For information only, not investment advice.