Will the Iranian regime fall by September 30?

The Iranian regime’s demonstrated resilience amid the 2026 war, leadership transition following Supreme Leader Ali Khamenei’s death, and suppression of 2025–2026 protests underpins trader consensus that collapse is improbable by September 30. Recent August developments center on ongoing Strait of Hormuz negotiations and U.S. sanctions pressure, with hardline elements maintaining control through the interim leadership council and new supreme leader without signs of fracture. Military posturing, economic management efforts, and absence of widespread renewed unrest reinforce the view that structural barriers to rapid regime change remain high. Late-breaking escalations in external conflicts or sudden elite defections represent the narrow pathways that could still shift probabilities before the deadline.

View this market on Polymarket →