Iran National Security Spokesman says general framework of the understanding with Oman has been determined; final text and details will be released soon

Oman has a long track record as the intermediary of choice in Gulf diplomacy, hosting back-channels on Iran's nuclear file, regional shipping security, and mediation between Tehran and Western capitals, so any 'understanding' framed through Muscat carries more weight than routine bilateral communiqués. The headline is deliberately thin: it confirms a framework exists and promises text to follow, a sequence typical of negotiated de-escalation where the announcement precedes the detail and the market prices the gap in between. For crude, the relevant channel in comparable episodes has been the geopolitical risk premium embedded in prompt spreads and freight and insurance costs rather than physical supply, since Iranian barrels have continued to move under sanctions regardless. The distinction that matters is whether the understanding touches the nuclear file and sanctions relief, which would bear on medium-term export volumes, or is confined to maritime and regional security, which typically bleeds premium out of the front of the curve without altering balances. Until the final text lands, the headline trades as a de-escalation signal on precedent, and the tell is whether Omani or US counterparts confirm scope. Classification is firm given the actor and the energy tag set.