NPT summit: Iran file stress test

The 2026 NPT Review Conference opened on 27 April 2026 and runs through 22 May 2026 at UN Headquarters in New York press.un.org. The beat is a low bar: any consensual Final Document, or even narrow P5 language that keeps the Iran file inside the treaty framework, would land better than the baseline the UK Commons Library described as dissatisfaction and uncertainty researchbriefings.files.parliament.uk, especially with Le Monde saying there is no longer any cohesion within the P5 lemonde.fr and ELN warning the five are unlikely to issue joint statements europeanleadershipnetwork.org. The miss is cleaner: the conference gets consumed by the US-Israel war on Iran and the stalled US-Iran channel that the Guardian called a deepening sense of deadlock theguardian.com, leaving no agreed text. Brent's move from 138.21 on 7 April to 103.4 on 20 April is one gauge traders are using for how fast the Iran premium can compress and re-expand fred.stlouisfed.org. A consensual document or joint P5 line could trim some of that premium; an open failure may signal the NPT is no longer containing the Iran file.