[Probability of Tesla and SpaceX Announcing Merger by End of September Drops to 10% on Polymarket, Down 30% in 24 Hours] Monitoring data from the PPP prediction market tool shows that on Polymarket, the probability of the event 'Tesla and SpaceX merger officially announced by...?' indicates that the likelihood of Tesla and SpaceX officially announcing a merger by September 30, 2026, has dropped to 10%, down 30% in the past 24 hours. The probability of announcing a merger by December 31, 2026, has dropped to 25%, down 18% in the past 24 hours. Previously, it was reported that SpaceX will officially be included in the Nasdaq 100 Index on July 7. Odaily Seer will continue to monitor prediction markets, observing changes before pricing.