Washington has turned down Iran’s most recent peace proposal, setting the stage for what could be a significant escalation in tensions between the two countries. President Trump described the ceasefire as being “on life support” on May 11, a characterization that suggests diplomatic channels are narrowing fast.

What Iran wants, what the US wants, and why neither is budging

Iran’s counterproposal reportedly centered on two core demands: an end to hostilities and the lifting of the US blockade on the Strait of Hormuz. The Strait of Hormuz is the narrow waterway between Iran and the Arabian Peninsula through which a massive share of global oil shipments pass every single day.

The US, predictably, has its own list. American conditions reportedly include halting Iran’s uranium enrichment program and curtailing Tehran’s support for regional proxy groups, including Hezbollah and Hamas.

The Strait of Hormuz factor and why markets care