Quantum Computing News 29 December 2025 - 1 January 2026

NEW YORK, December 31, 2025, 20:15 ET — Market closed IonQ Inc shares fell 0.9% to $44.87 at Wednesday’s close, after hitting a session low of $44.68 and a high of $46.42. Quantum-computing peers Rigetti Computing, D-Wave Quantum and Quantum Computing Inc also ended lower, and about 11.4 million IonQ shares changed hands. The group has traded like a high-beta corner of tech, where sentiment shifts can move prices quickly even without major earnings catalysts. For many investors, customer wins and system-delivery milestones remain the clearest near-term signals of demand. IonQ’s latest headline was a South Korea delivery agreement as

NEW YORK, December 30, 2025, 20:25 ET — Market closed. IonQ Inc shares were last up about 0.2% at $45.31 after U.S. markets closed on Tuesday, as investors weighed a newly detailed system delivery agreement in South Korea. More than 13.5 million shares changed hands and the stock traded between $45.10 and $47.40. The agreement lands at a sensitive moment for the quantum computing trade. Investors have chased commercialization milestones — and punished perceived slippage — because most companies in the space are still early in converting research wins into durable revenue. Quantum “pure plays” have been volatile into year-end,

NEW YORK, December 30, 2025, 14:31 ET — Regular session IonQ, Inc. shares were up 1.3% at $45.83 in regular trading on Tuesday after the company said it finalized an agreement to deliver a 100-qubit Tempo quantum system to South Korea’s Korea Institute of Science and Technology Information (KISTI). The stock has traded between $45.48 and $47.40, with volume around 9.3 million shares. IonQ said the system will be integrated into KISTI-6 “HANGANG,” a high-performance computing (HPC) cluster, in what it described as the country’s first on-site hybrid quantum-classical setup; CEO Niccolo de Masi called the deal “a defining moment

NEW YORK, December 29, 2025, 19:03 ET — After-hours IonQ, Inc. shares fell 1.6% to $45.25 in after-hours trading on Monday after the quantum computing company said it had finalized an agreement to deliver a 100‑qubit system to South Korea’s Korea Institute of Science and Technology Information (KISTI). IonQ Investors The announcement matters because investors have pushed quantum stocks around on thin evidence of near-term revenue. On-premises system deliveries tied to national research programs can offer clearer milestones than cloud-only access. IonQ said it will deliver a 100‑qubit “Tempo 100” quantum system and integrate it into KISTI‑6 (“HANGANG”), which it

NEW YORK, December 29, 2025, 14:02 ET — Regular session IonQ shares fell 2.5% to $44.85 in afternoon trading on Monday after the quantum-computing company said it had finalized an agreement to deliver a 100-qubit system to South Korea’s Korea Institute of Science and Technology Information (KISTI). IonQ Investors The agreement adds to a string of government and enterprise projects that investors see as a key test for whether quantum computing can move from research to recurring commercial deployments. The group has been volatile into year-end as traders lock in gains amid low holiday volume and concerns about rich valuations,