**The absence of any official confirmation or verified reports of an engagement drives the market-implied 68.5% probability on “No.”** Sydney Sweeney and Scooter Braun have been publicly linked since September 2025 and are described by credible sources as “very serious” after a year together, with recent public appearances including a return to Venice, joint synagogue attendance, and Braun’s September birthday tribute highlighting their “true partnership.” Sweeney has also spent time with his children, signaling deepening commitment. However, reports of Braun wanting to propose remain speculative, with no ring sightings, statements, or announcements confirming an engagement as of mid-September 2026. Entertainment markets on personal milestones reflect high uncertainty until official verification, and traders appear to be weighting the lack of confirmed developments over relationship momentum.