Quantum Computing Stocks Gain Pre-Market as IonQ Surges Over 12%

TradingKey - On September 23, U.S. quantum computing concept stocks rallied across the board in pre-market trading, with IonQ (IONQ) up over 12%, Infleqtion (INFQ) up over 6%, Rigetti Computing (RGTI) and D-Wave Quantum (QBTS) both up over 5%, Xanadu Quantum Technologies (XNDU) rising over 4%, and Quantum Computing (QUBT) up over 3%.

Source: TradingView

The market focus is on IonQ's latest progress in quantum error correction technology.

IonQ announced that its research team has completed and successfully tested an end-to-end real-time quantum error correction decoder, deploying and running it on a single commercial CPU. The company believes this achievement helps solve the real-time error correction problem in fault-tolerant quantum computing and provides a new technological path for scaling quantum computing systems in the future.

Quantum error correction is one of the key technical challenges facing the commercialization of quantum computing. Because qubits are susceptible to noise and environmental interference, systems must continuously identify and correct errors during operation. If the error correction process itself requires substantial computational resources, it could offset the performance advantages of quantum computing. Therefore, reducing real-time decoding costs while maintaining accuracy has long been a primary research focus in the industry.

The results released by IonQ show that the decoder can perform real-time processing on a standard commercial CPU. The company's research team tested the decoder using simulated benchmark circuits scaled up to 408 logical qubits, involving over 31.5 million quantum operations. Under typical operational noise conditions, the additional runtime overhead from error correction decoding was as low as 0.02%.

Nicolas Delfosse, Head of Quantum Research at IonQ, stated that achieving real-time decoding across hundreds of logical qubits and millions of logical operations is a significant milestone in the development of quantum computing. He believes that the ability to run the decoder on a single CPU helps provide a more feasible implementation path for future commercial-scale, fault-tolerant quantum computing.