Iran leadership change by October 31?

Prediction markets put the probability at 6%: Iran leadership change by October 31. Currently, markets see this as unlikely (6% YES).

What’s Happening

US Secretary of State Marco Rubio said on August 2, 2026 that the Iranian regime "has to change," telling Fox News's "My View with Lara Trump" that Tehran must abandon efforts to dominate the Middle East and give in to President Trump's nuclear demands. Rubio claimed sustained US military pressure had left Iran "eager" for deals on denuclearization and the Strait of Hormuz, following a round of American strikes that Trump subsequently halted. The rhetoric marks the sharpest US framing of the question of an Iran leadership change by October 31, though Rubio stopped short of stating any US policy to actively remove Supreme Leader Ali Khamenei or the clerical establishment. [Jerusalem Post, Aug 02]

Inside Iran, analysts describe consolidation rather than collapse. Following the June 2025 Israel-Iran War, moderate and pragmatic factions moved to reassert influence, with veteran figure Ali Larijani characterized by Iranian media as returning to "the center of gravity" of official politics after a visit to Russia on July 20 to discuss nuclear negotiations. Opposition groups including the NCRI continue to press for "a democratic, peaceful, and inclusive transition," and hawks in Washington and European capitals argue the clerical dictatorship is more vulnerable than at any point in decades. Iranian security officials counter that the state remains cohesive; former IRGC commander Mohammad Ali Jafari said on October 25 that the rebuilt missile program is Iran's "main form of deterrence." [Critical Threats, Jul 31]

The structural factor determining whether an iran leadership change by october 31 occurs is the durability of the IRGC-backed governing structure, which has absorbed war losses and reconstituted its missile and drone capabilities. Diplomatic tracks remain focused on sanctions and denuclearization—Trump has pushed to add Iran to Senator Lindsey Graham's Russia sanctions bill, which would extend the Iran Sanctions Act of 1996 through 2031—not on regime removal. With no visible succession crisis, mass uprising, or external mandate for forced transition, an iran leadership change by october 31 would require an abrupt, unforecast rupture in the coming weeks. [New Voice of Ukraine, Jul 31]

Traded on Polymarket — $63K Volume

Lower-volume market on Polymarket ($63K). Wider spreads expected — enter with limit orders and be aware of slippage risk. Currently 6c YES.