Quantum computing stocks are stepping into the spotlight as more milestones are achieved, and quantum systems are being deployed for research and commercialization. However, quantum stocks remain some of the market's most volatile names, and recent performance shows just how uneven the trade has become.

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Horizon Quantum Holdings (HQ) has surged nearly 80% year-to-date, while names such as Rigetti Computing, Inc. (RGTI), Quantum Computing Inc. (QUBT), and D-Wave Quantum Inc. (QBTS) are still down year-to-date.

For our TipRanks readers, we've put all the notable pure-play quantum stocks through our AI Analyst to gain a deeper view of each of them, see what the ratings are telling us about each of them, and see how they stack up compared to their rivals.

IONQ Looks Stronger, but Valuation Is Still a Risk

IonQ, Inc. (IONQ)- AI Analyst score – 52, Neutral position.

IonQ is a quantum computing company focused on trapped-ion technology and quantum hardware systems. Among the group, IonQ appears to have one of the stronger setups. The AI Analyst summary points to a strong cash position, raised revenue guidance, and progress across hardware milestones and partnerships.

The stock is also up nearly 10% year-to-date, setting it apart from weaker performers such as QUBT, QBTS, and RGTI. Still, the AI Analyst flags valuation as a key concern. IonQ remains unprofitable, and its high price-to-sales multiple leaves little room for execution missteps.