WASHINGTON, D.C. / DUBAI, United Arab Emirates — U.S. President Donald Trump said no talks or discussions with Iran are currently taking place or scheduled, as Tehran maintained that the Strait of Hormuz remains closed, deepening uncertainty over a vital global energy route and raising fresh concerns about shipping, oil supplies and regional security.
Trump insisted that the Strait of Hormuz is open and safe, while Iran’s top negotiator, Mohammad Baqer Qalibaf, said the waterway would remain shut until the United States meets conditions set out in an interim agreement reached in June. Iran’s demands include lifting the U.S. blockade of Iranian ports, removing oil sanctions, releasing frozen Iranian assets and ending U.S. military threats and operations against Iran, according to Reuters.
The conflicting claims have left the status of the strategic waterway unclear for commercial operators. While Washington says the strait is open, shipping traffic remains severely reduced as many shipowners avoid the route because of security risks. Reuters reported that only six commodity vessels crossed the Strait of Hormuz on Tuesday, August 18, compared with nine the previous day and a recent average of about 11 vessels per day.
The Strait of Hormuz is one of the world’s most important maritime chokepoints, carrying roughly one-fifth of global oil and liquefied natural gas shipments before the current disruption. Continued restrictions and uncertainty have forced shipping companies to reconsider routes through the Persian Gulf, with the resulting disruption adding pressure to global energy markets.
The security risks facing commercial vessels remain significant. The U.S. Maritime Administration has warned that Iranian attacks and threats against commercial shipping in the Persian Gulf, Strait of Hormuz and Gulf of Oman remain a serious concern. Its advisory cited risks including attacks on vessels and other security threats in the region.
Tensions have also escalated between Iran and the United Arab Emirates. The UAE accused Iran of launching two ballistic missiles into the Persian Gulf, an allegation Tehran denied. Abu Dhabi subsequently suspended trade and financial transactions with Iran, citing regional escalation and threats to international peace and security. The UAE had also accused Iran of attacking two tankers operated by its state-owned oil company as they sailed through the Strait of Hormuz.
The measures further strain relations between Iran and the UAE, which has been an important commercial and re-export hub for Iranian trade, particularly under the pressure of U.S. sanctions. The latest suspension could add further economic pressure on Tehran while also exposing the UAE to potential costs from reduced regional commerce.
Oil markets have already responded to the uncertainty. Brent crude rose 54 cents to $91.56 a barrel on August 19, while U.S. West Texas Intermediate gained 59 cents to $85.53. Both benchmarks reached their highest levels in about three weeks as traders continued to assess the risk of prolonged disruptions through Hormuz.
Analysts said the continuing uncertainty has kept a geopolitical risk premium in oil prices. If shipping disruptions persist, further increases in energy prices could affect transportation, manufacturing and consumer costs in countries that rely heavily on Middle Eastern oil and gas supplies.
The diplomatic outlook remains uncertain. Trump has publicly said that no negotiations with Iran are underway or scheduled, while Iranian officials have tied the reopening of the Strait of Hormuz to U.S. compliance with the June interim agreement. Reuters also reported that Trump’s son-in-law and envoy Jared Kushner indicated that dialogue was continuing, adding another layer of uncertainty to the conflicting signals from Washington.
The dispute follows the collapse of the temporary ceasefire and the expiration of the June interim agreement. Iran has warned that it could adopt a more offensive military posture if the United States does not meet its demands, while Washington has maintained pressure through its blockade and sanctions.
For global shipping and energy markets, the central concern remains whether commercial traffic can safely and consistently resume through the Strait of Hormuz. Until there is greater clarity over the security situation and the future of U.S.-Iran diplomacy, shipping operators are likely to remain cautious and energy markets are expected to continue closely watching developments in the Persian Gulf.
The standoff therefore extends beyond the immediate confrontation between Washington and Tehran. Any prolonged disruption at Hormuz could have wider consequences for international trade, oil prices and energy security, making the waterway’s reopening a key test for diplomatic efforts to contain the broader Middle East crisis.
Edgardo Hernal started college at UP Diliman and received his BA in Economics from San Sebastian College, Manila, and Masters in Information Systems Management from Keller Graduate School of Management of DeVry University in Oak Brook, IL. He has 25 years of copy editing and management experience at Thomson West, a subsidiary of Thomson Reuters.
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