Banksy’s official Instagram account functions primarily as a verification channel for new street works rather than a regular content feed, and its sporadic activity underpins the 66.5% market-implied probability that no post will appear by September 30. The artist’s last confirmed Instagram activity involved authenticating a London statue in early May, with no subsequent high-profile murals, installations, or political statements emerging to trigger an update. Traders are factoring in the absence of fresh catalysts such as UK political developments or surprise public pieces that historically prompt rapid confirmations. With roughly three weeks remaining, the modest lean toward “No” captures the realistic chance of another extended gap before month-end, though any unexpected street-art drop could quickly shift sentiment.