$QUBT

Quantum computing stocks, including D-Wave (QBTS), IonQ (IONQ), Rigetti (RGTI), Quantum Computing (QUBT), and Quantinuum (QNT), are falling in premarket trading. This decline is attributed to a broader tech selloff, rising Treasury yields, and mixed earnings results. D-Wave leads the declines with a 3.94% drop. The sector has faced steep losses over the past three months, with companies reporting varied financial performances.

IonQ Inc. (IONQ) reported Q3 2026 revenue up over 400% YOY, raised full-year guidance, and secured new contracts. Competitors D-Wave (QBTS), Quantum Computing (QUBT), and Rigetti (RGTI) had weaker earnings, reflecting broader market challenges in the quantum computing sector.

Pure-play quantum computing stocks like IonQ (IONQ), Rigetti (RGTI), D-Wave (QBTS), and Quantum Computing Inc. (QUBT) have seen significant declines (41%-65%) over the past year, despite technological advancements. Companies like IBM (IBM), Intel (INTC), and Nvidia (NVDA) may benefit from quantum infrastructure without relying on a single processor. Earnings reports show challenges in achieving sustainable revenue and profitability for pure-play quantum companies.

Quantum Computing Inc. (QUBT) reported Q3 2026 revenue of $9.5M, beating estimates. Wedbush maintained a Neutral rating and $12 price target, citing solid revenue but unclear profitability path. Gross margin improved to 4.5%, and acquisitions drove growth. Wedbush adjusted revenue forecasts, raising 2027 and 2028 estimates but lowering 2027 gross margin expectations.

Quantum Computing Inc. (QUBT) reported a 2,374% revenue increase to $9.5M in Q3, beating estimates, but shares fell 4.08% after hours. Growth was driven by acquisitions, with low profitability and rising operating expenses. The company has $1.3B in cash and a $39.1M contract backlog. Analysts maintain a Strong Buy consensus with a $23 price target, but investors question sustainable profitability.

Quantum Computing Inc (QUBT) reported Q3 2026 earnings, highlighting record revenue and backlog. The Direct3S system outperformed classical solvers in benchmarks. The company expects to convert a $39.1M backlog into revenue over 12-18 months, with a shift from aerospace/government to commercial. Key milestones include scaling manufacturing and expanding customer base. OpEx is expected to increase naturally, driven by payroll and facilities.

Quantinuum announced a record-breaking error correction in quantum computing, achieving a logical fidelity of about five errors per 1 million operations, a 10x improvement. Google is developing a new method called magic state cultivation to reduce errors by 40x, aiming to improve quantum computing efficiency. Both companies are still in testing phases, but progress is noted.

Quantum computing stocks rebounded in premarket trading, with IonQ (IONQ) up 1.66%, D-Wave (QBTS) and Rigetti (RGTI) each gaining 1.78%, and others also rising. IonQ's Q3 earnings are due Nov. 5, with expected revenue of $141.2M and a loss of $0.34 per share. Other companies report earnings next week, with analysts expecting varied revenue growth and losses.

Quantum computing stocks fell Thursday as Alphabet's 11% drop after earnings missed estimates weighed on tech shares. IonQ (IONQ) fell 2.41%, D-Wave (QBTS) 1.95%, Quantum Computing (QUBT) 2.12%, and Rigetti (RGTI) 1.85%. Alphabet's earnings of $2.12 per share missed estimates of $3, with concerns over slowing search growth and high AI spending. Quantum stocks have also faced pressure due to high valuations, funding needs, and rising interest rates.

Four quantum computing stocks—IONQ, RGTI, QBTS, and QUBT—have seen significant gains over two years. However, insiders have sold $1.02 billion more than they've bought, raising concerns. All four trade above 30 times sales, a historically high valuation metric.