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News  ›  The Motley Fool

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

The Motley Fool Logo The Motley Fool By Sean Williams
Beyond the Hype: 5 Reasons Quantum Computing Stocks IonQ, Rigetti Computing, and D-Wave Quantum Can Crash in 2026

Despite quantum computing stocks skyrocketing up to 3,290% since October 2024, the article warns of an impending crash in 2026. The author identifies five historical headwinds: early-stage tech bubbles that eventually burst, shareholder dilution from capital raises, extreme valuation multiples (P/S ratios of 100+), an overvalued stock market (CAPE ratio at 41), and low barriers to entry allowing tech giants like Microsoft and Alphabet to compete with first-movers.

Insights
SAP   positive

Strengthening European technology ecosystem and developing sovereign AI solutions with a trusted partner


IONQ   negative

Stock has surged 521% since October 2024 but faces extreme valuation (P/S ratio of 100+), ongoing operating losses, shareholder dilution from $2B capital raise, and vulnerability to market corrections given unsustainable early-stage business model.