Iran walked away from scheduled technical discussions with the United States in Switzerland, citing unmet conditions from a memorandum of understanding the two countries signed in June 2026. The move effectively freezes a diplomatic process that had, briefly, given markets something resembling hope.

The Islamabad Memorandum of Understanding, signed around June 17, 2026, was supposed to kick off a 60-day negotiation window covering Iran’s nuclear program, the reopening of the Strait of Hormuz for oil transport, and sanctions relief. Roughly half that window has now elapsed with one party refusing to show up.

What went wrong

Iran’s decision to skip the talks wasn’t spontaneous. Iranian officials pointed to two…