Iran blocks the Strait of Hormuz: the fragile ceasefire collapses
June 20, 2026. The Khatam al-Anbiya Central Command — Iran's highest joint headquarters — announced the closure of the Strait of Hormuz to shipping. The official reason: violations of the Islamabad memorandum by the United States and Israel.
This decision is a direct blow to recent diplomatic efforts aimed at de-escalating the conflict in the region. Just three days ago, on June 17, a 14-point memorandum was agreed upon, providing for the free passage of commercial vessels during the first 60 days. Markets had already begun pricing in a reduction in geopolitical risks, and oil prices were trending downward. Now we are witnessing a sharp reversal.
Statement from the Military Command
In the statement from the Khatam al-Anbiya command, it is emphasized that the closure of the strait is only a "first step." If, in Tehran's view, aggression continues, further measures will follow. The conflict escalated after U.S. and Israeli strikes in late February 2026, which provoked earlier restrictions on passage through the strait. Now Iran regards Israel's ongoing actions in Lebanon as a direct violation of the memorandum's terms.
It is worth recalling that approximately 21 million barrels of oil and petroleum products pass through the Strait of Hormuz daily — roughly 20% of global consumption and a quarter of all seaborne oil trade. Additionally, significant volumes of liquefied natural gas from Qatar and the UAE transit through the strait. There are virtually no alternative routes for Persian Gulf countries, making this region a critical node for global energy security.
Disagreements over the Islamabad Memorandum
The Islamabad memorandum, brokered with Pakistan's mediation, envisioned not only free navigation but also the lifting of the U.S. naval blockade of Iranian ports. Ship traffic had indeed begun to recover, contributing to a temporary stabilization of energy prices. However, the current statement from the Iranian military effectively nullifies these agreements.
Notably, U.S. officials, particularly Vice President JD Vance, have already issued denials, pointing to the contrary. This creates an information arc of uncertainty, which in itself destabilizes markets. The oil market, which had only just begun to price in the deal, now faces the prospect of a long-term supply shock.
Cryptalist Analytical Commentary: The closure of the Strait of Hormuz is not just an escalation but a signal of the complete failure of the current diplomatic architecture in the region. For the crypto market, this means a resurgence of macroeconomic instability: rising energy prices will inevitably intensify inflationary pressure, potentially delaying the Federal Reserve's monetary policy easing. Under such conditions, investor risk appetite will decline, and Bitcoin is likely to come under renewed pressure as a high-risk asset. Keep an eye on oil futures — they will become the main barometer of sentiment in the coming days.