Polymarket's marketing overhaul and targeted U.S. hiring in early August 2026, ahead of a high-volume fall events cycle, form the main driver behind current trader sentiment on its year-end mindshare. The platform's February Kaito AI partnership for attention markets, including self-referential bets, helped sustain visibility despite periodic dips below 60% share-of-voice as Kalshi captured rival buzz. Record weekly volumes above $1.9 billion, a reported push toward a $20 billion-plus valuation, and the May U.S. exchange launch reinforce institutional credibility, though recent fee changes have shifted some retail focus. Key upcoming catalysts include potential token events, app store performance, and regulatory developments that could boost or constrain social metrics through December 31.