Roblox is trading 4.01% lower at $46.87 as investor concern remains focused on its existing Q3 bookings guidance for a 14%–18% year-over-year decline. - The decline extends the move from the September 21 close of $51.25. - No new company-specific announcement on September 25, 2026 clearly explains the drop. - Continued monetization weakness remains a concern, while major indexes are broadly little changed.