Banksy’s official Instagram account functions mainly as a verification channel for new street-art drops rather than a regular feed, and the 70.5% market-implied probability on “No” stems directly from the absence of any confirmed mural, political intervention, or London installation since earlier 2026 activity. Traders note the artist’s established pattern of extended quiet periods between authentic posts, with no fresh catalyst—such as a high-profile protest response or UK political flashpoint—emerging in late August or early September to prompt an update before the September 30 deadline. Historical precedent shows posts cluster around new works rather than routine engagement, leaving roughly four weeks with limited momentum for activity. A surprise street-art release or major news event remains the clearest swing factor that could shift sentiment.