In October 2024, quantum computing stocks like IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc. have surged by up to 3,290%. The global addressable opportunity for quantum computing is estimated to reach $850 billion by 2040. However, historical headwinds indicate a challenging year ahead for quantum computing investors. Quantum computing stocks have seen massive gains, but there are potential risks that could lead to a crash in 2026. Factors include technological trend bubbles, share-based dilution, unsustainable valuation premiums, a pricey stock market, and a lower barrier to entry than perceived.

As of January 6, 2026, IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc. have significantly high price-to-sales ratios, indicating potential overvaluation in the market. The stock market is currently at historically high valuations, which could be detrimental to early-stage companies like quantum computing stocks. Additionally, the low barrier to entry in the quantum computing industry leaves these stocks vulnerable to disruption. Overall, quantum computing stocks may face a challenging year in 2026.

Read more at Nasdaq.: Beyond the Hype: 5 Reasons Quantum Computing Stocks IonQ, Rigetti Computing, and D-Wave Quantum Can Crash in 2026