Core Insights - The article discusses the potential upside for quantum computing stocks, highlighting the significant price targets set by Wall Street analysts, which suggest further growth opportunities in this sector [4][17]. - Despite the excitement surrounding quantum computing, historical trends indicate that such high valuations may not be sustainable, as the technology is still in its infancy and profitability remains elusive for key players [9][14]. Quantum Computing Stocks Performance - As of October 17, trailing-12-month gains for quantum computing pure-play stocks have been substantial, with some analysts believing that these stocks are just beginning their upward trajectory [2][4]. - The four main quantum computing stocks discussed are IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc., each with significant price targets indicating potential upside: IonQ (412%), Rigetti Computing (4,940%), D-Wave Quantum (3,590%), and Quantum Computing Inc. (2,310%) [4][12]. Analyst Price Targets - IonQ's price target was raised from $75 to $100, indicating a potential upside of 59% [5]. - Rigetti Computing's price target increased from $20 to $50, suggesting an 8% upside from its closing price on October 17 [5]. - D-Wave Quantum's target was raised from $20 to $50, indicating a 30% upside [12]. - Quantum Computing Inc.'s price target was increased from $22 to $40, suggesting a potential rally of 118% [12]. Market Dynamics and Historical Context - The article notes that while quantum computing has transformative potential across various industries, its commercialization and practical applications are still years away [10]. - Historical patterns indicate that new technologies often experience a bubble, with investors overestimating their utility and adoption, leading to eventual corrections [9][14]. - Current price-to-sales ratios for these quantum computing stocks are significantly higher than historical norms for game-changing technologies, raising concerns about sustainability [16]. Profitability and Future Outlook - None of the discussed quantum computing companies are currently profitable, with estimates suggesting that D-Wave Quantum may achieve profitability by 2029, while IonQ and Rigetti Computing may continue to incur losses until at least the end of the decade [14]. - The global addressable market for quantum computing is promising, but there is little evidence of widespread commercialization or ongoing success at present [13].