The Motley Fool
19 Jun 2026, 07:23 UTC · 3h ago
Better Quantum Computing Stock to Buy: IonQ vs. Rigetti
NewsImpactScreener rates every claim in this story for market impact and maps it to the tickers most exposed.
The Motley Fool
19 Jun 2026, 07:23 UTC · 3h ago
NewsImpactScreener rates every claim in this story for market impact and maps it to the tickers most exposed.
What the story claims
3 claims · each scored for market impact
IonQ's trapped-ion technology has achieved 99.99% 2-qubit gate fidelity and is being integrated into its 256-qubit system. — Higher accuracy and capacity compared to competitors provide a significant competitive advantage in the race toward commercial viability.
+0.60Rigetti Computing's superconducting 108-qubit system has a 99.1% 2-qubit gate fidelity, which the author notes is not yet sufficient for commercial products. — Underperforming accuracy metrics relative to the threshold for commercialization increases the risk profile for the stock.
-0.40Quantum computing is estimated to become commercially viable around the year 2030. — Sets a long-term horizon for expected returns, suggesting that current valuations are speculative rather than based on immediate cash flows.
+0.20Which stocks this story touches
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The author considers it the winner between the two pure-plays due to superior accuracy and computational capacity.
Identified as a favorite pure-play with significant upside, though currently trailing IonQ in accuracy.
Mentioned as a legacy player with the financial resources to develop quantum computing technology.
Mentioned as a legacy player with the financial resources to develop quantum computing technology.
[mutual] Both are identified as pure-play quantum computing companies competing for commercial viability.
[mutual] Both are listed as legacy players investing in quantum computing technology.
[mutual] Legacy players and pure-play start-ups both compete in the development of quantum computing.
[mutual] Both companies are pursuing the superconducting approach to quantum computing.
[mutual] Legacy players and pure-play start-ups both compete in the development of quantum computing.
[mutual] Both companies are pursuing the superconducting approach to quantum computing.
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