IonQ’s share price has climbed more than 1,200% since the start of 2023, pushing its price-to-sales ratio to approximately 140 — nearly 16 times the technology sector average of 9. Such an extreme premium places the company among the most expensive unprofitable tech names on the market. Even if the trapped-ion approach to quantum computing delivers significant breakthroughs, investors are already paying a steep multiple for revenue that remains modest by industry standards.

In the third quarter, IonQ reported revenue of nearly $40 million, up 222% year-over-year, yet its adjusted loss per share widened to $0.17 from $0.11 in the year-ago period. Operating expenses surged to $208 million, more than triple the $65 million recorded a year earlier, driven by ongoing R&D investments and ramped-up sales and marketing efforts. The gap between top-line growth and bottom-line performance underscores that the company has yet to demonstrate a clear path to profitability.

Investor enthusiasm for quantum computing remains high, but practical, large-scale applications are still several years away, according to leading industry participants. IonQ’s stock rose just 9% during 2025, compared with a nearly 17% gain for the broader market, indicating that momentum in this speculative segment may be waning. Should economic conditions deteriorate or risk appetite decline, capital could shift away from early-stage quantum plays toward more established technology investments.