Iran shifts to aggressive doctrine after Khamenei’s death in US-Israel operation

Iran has announced a strategic shift from a deterrent doctrine to a more aggressive retaliatory approach. This declaration follows the death of Ayatollah Ali Khamenei and several senior military officials during a joint U.S.-Israel operation in February 2026. The shift, reported by Iran International, suggests Tehran’s intent to impose significant costs on its adversaries, particularly the U.S. and Israel. Markets appear to interpret this as indicative of potential instability, increasing the probability of a leadership change in Iran by the end of the year.

Key Takeaways

• Iran’s shift to an aggressive doctrine appears consistent with heightened instability in the region.
• Market pricing suggests an increased likelihood of leadership change in Iran by December 31.
• The announcement may indicate Iran’s move towards direct use of force, impacting regional security dynamics.

What to Watch

Observers should monitor if the Assembly of Experts moves to appoint a new Supreme Leader. Public appearances or statements from Mojtaba Khamenei or Reza Pahlavi could further influence market perceptions. Any significant developments in Iran-U.S. or Iran-Israel relations could serve as key indicators for potential leadership changes.

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Disclosure: This article was edited by Estefano Gomez. For more information on how we create and review content, see our Editorial Policy.