**Ongoing US-Iran diplomatic efforts center on an initial memorandum of understanding addressing a ceasefire extension, reopening the Strait of Hormuz, sanctions relief, and commitments not to pursue nuclear weapons, with nuclear enrichment limits and stockpile issues deferred to follow-on talks.** As of mid-June 2026, reports indicate these subsequent negotiations would span roughly 60 days after any framework signing, placing a firm commitment to end uranium enrichment well beyond July 31. Iran’s leadership has repeatedly identified retention of domestic enrichment rights as a core red line, with Supreme Leader directives against transferring highly enriched material abroad and recent statements rejecting long-term moratoriums such as the previously discussed 20-year freeze. US positions emphasize verifiable limits or suspension of enrichment activities alongside resolution of Iran’s approximately 440 kg stockpile enriched to 60 percent, much of which survived prior strikes on nuclear facilities. While indirect talks mediated through Oman, Qatar, and Pakistan have produced incremental progress on non-nuclear elements, core enrichment disputes remain unresolved, supporting trader consensus that a binding Iranian agreement to fully end enrichment is unlikely within the narrow July 31 window.