Trader consensus on Polymarket assigns a 90.5% implied probability to "No" for another Elon Musk child by June 30, reflecting the complete absence of official announcements, credible reporting, or visible signs of late-term pregnancy or surrogacy since his 14th child arrived in early 2025. Musk’s public focus remains centered on xAI large language model releases, Tesla full self-driving milestones, and SpaceX launch cadence, leaving little room for unannounced family developments that would follow his pattern of subtle post-birth disclosures. Biological constraints make an undetected full-term birth highly improbable without prior indicators. Potential tail risks include a quiet surrogate delivery or premature arrival that evades immediate confirmation, though these scenarios remain low-probability outliers ahead of the resolution date.