US bans Iranian airlines starting Sept. 23 amid regional tensions

U.S. Treasury Secretary Scott Bessent has announced that all Iranian airlines will be banned starting September 23, a move that is expected to significantly impact Iran’s aviation sector. The ban comes amid heightened tensions in the region, primarily due to Iran’s support of the Houthi rebels in Yemen, a factor that has already prompted the U.K. to bolster Saudi Arabia. This announcement is seen as part of a broader strategy to apply pressure on Iran through economic and diplomatic means. Markets appear to interpret this development as increasing the likelihood of a full airspace closure in Iran by the end of the year. Key Takeaways The announcement by Scott Bessent suggests a significant escalation in sanctions against Iran, affecting the aviation sector. Markets reflect increased probabilities of a full airspace closure by December 31, with odds for this scenario currently at 25.5%. The geopolitical context, especially involving the Saudi-Yemen conflict, is likely influencing market perceptions of increased risk and tension. What to Watch Observers should monitor official announcements from the Civil Aviation Organization of Iran (CAOI) and potential responses from Iranian state...