Iran charges Hormuz fees by August 31?

Earlier updates

1. Aug 18, 2026 UTC — Current likelihood holds at 15%, with Iran charging transit fees by August 31 remaining highly unlikely.; Over the past 24 hours, tensions around the Strait of Hormuz continued to escalate, but no evidence emerged that Iran is moving toward imposing transit fees. Following the expiration of the US-Iran ceasefire, shipping traffic through the strait has collapsed to just five to six vessels daily, and peace talks have stalled. The Trump administration turned its focus on Oman, threatening to bomb the country if it interferes with US naval operations or a potential deal with Iran, while also significantly scaling back joint military exercises with South Korea. These developments show the region's focus is squarely on military confrontation and shipping security, not on establishing a formal fee regime. Iran is negotiating with Oman over shipping regulations, but those talks do not involve transit fees. The synthesized read holds steady at 15%, unchanged from yesterday.
2. Aug 19, 2026 UTC — Current likelihood falls to 12.5%, with Iran charging transit fees by August 31 becoming even less likely.; No new evidence directly related to Hormuz Strait transit fees emerged in the past 24 hours, with the current likelihood slipping from 15% to 12.5%. The decline reflects the continued narrowing of the time window—fewer than two weeks remain before the August 31 deadline, and Iran has yet to put forward any formal fee proposal or legal framework. The region's focus remains locked on military posturing and the shipping safety crisis, with no indication that Tehran is devoting resources or political capital to establishing a transit fee mechanism.
3. Aug 20, 2026 UTC — Current likelihood falls to 10.5%, making it extremely unlikely that Iran will charge transit fees by August 31.; Over the past 24 hours, the Strait of Hormuz situation has sharply escalated into a territorial sovereignty dispute, which paradoxically further diminishes the likelihood of Iran charging transit fees. Trump's declaration of the strait as US territory and the UAE's severance of economic ties with Iran over alleged missile attacks have sharply increased Iran's diplomatic and military pressure, further shrinking the political space and practical feasibility for implementing a transit fee policy. The current likelihood fell from 12.5% to 10.5%, a decline of 2 percentage points, reflecting the continued narrowing of the time window—with less than two weeks until the deadline, Tehran has not only failed to propose any fee framework but is instead mired in diplomatic and military crises with multiple neighbors and the US.
4. Aug 21, 2026 UTC — Current likelihood falls to 4.5%, making it extremely unlikely that Iran will charge transit fees by August 31.; Over the past 24 hours, the sudden escalation of US maximum economic pressure on Iran has further squeezed any remaining space for Tehran to implement a Strait of Hormuz transit fee. Trump's declaration of 'unprecedented economic warfare' and threats against trade partners push Iran into deeper international isolation and economic distress, making the introduction of a new toll mechanism politically and diplomatically untenable. The current likelihood drops from 10.5% to 4.5%, a decline of 6 percentage points, reflecting that with only ten days left before the deadline, Iran has not proposed any fee framework and instead faces a full-scale confrontation that could reshape its economic lifeline.
5. Aug 22, 2026 UTC — Current likelihood falls to 4.7%, making it extremely unlikely that Iran will charge transit fees by August 31.; Over the past 24 hours, no new substantive developments or official statements have emerged regarding Iran charging transit fees in the Strait of Hormuz. In the absence of new evidence, the current likelihood continued its previous downward trend, falling from 7.5% to 4.7%, a decline of 2.8 percentage points. This reflects that, as the August 31 deadline approaches, Iran has neither proposed a specific fee framework nor made any related policy announcements or military deployments, causing the probability of this event to keep shrinking.
6. Aug 23, 2026 UTC — Current likelihood falls to 4.1%, making it extremely unlikely that Iran will charge transit fees by August 31.; Over the past 24 hours, Iran appointed hardliner Mohsen Rezaei to head the Supreme National Security Council. While this personnel change reinforces Tehran's confrontational posture, it did not involve any concrete transit fee policy. The current likelihood edged down from 4.7% to 4.1%, a decline of 0.6 percentage points. With the August 31 deadline approaching, Iran has yet to propose a fee scheme or initiate relevant legal procedures, and the window for this event is rapidly closing.
7. Aug 24, 2026 UTC — Current likelihood edges up to 5.1%, but Iran remains extremely unlikely to charge transit fees by August 31.; Over the past 24 hours, the current likelihood ticked up from 4.1% to 5.1%, a modest 1 percentage point increase. This slight adjustment, however, lacks any substantive policy signal or event to back it up—no news reports or official statements related to Hormuz transit fees were detected during this period. With the August 31 deadline just one week away and Iran still having proposed no fee structure, initiated no legislative process, or conducted any relevant military posturing, the window for this event has essentially closed.
8. Aug 25, 2026 UTC — Current likelihood dips slightly to 4.8%, with Iran almost certain not to charge transit fees by August 31.; Over the past 24 hours, the current likelihood edged down from 5.1% to 4.8%, a decline of 0.3 percentage points. The sole event detected this period was Iran's announcement of a major natural gas discovery in Fars province, a development squarely focused on alleviating domestic energy shortages and entirely unrelated to Hormuz transit fees. With less than a week remaining before the August 31 deadline, Iran has still produced no fee proposal, legislative action, or military posturing, leaving the window for this event effectively shut.
9. Aug 26, 2026 UTC — Current likelihood falls to 2.2%, with Iran extremely unlikely to charge transit fees by August 31.; Over the past 24 hours, the current likelihood has slipped further from 4.8% to 2.2%, a drop of 2.5 percentage points. The five events monitored this period all focus on the macro-level impacts of the Middle East conflict, including new US sanctions on Iran, rising oil prices due to the war stalemate, and the threat to humanitarian aid in Sudan from disruptions in the Strait of Hormuz. However, none of the events indicate that Iran is advancing or preparing a specific policy to charge transit fees. On the contrary, the US announcement of its 'toughest sanctions in history' aims to cut off Iran's oil revenue, which further reduces Iran's need and ability to impose additional economic controls on the strait. With only five days remaining until the August 31 deadline and no policy proposals or legislative actions in sight, the window for this event has essentially closed.
10. Aug 27, 2026 UTC — Current likelihood edges up to 4.6%, but Iran remains extremely unlikely to charge transit fees by August 31.; Over the past 24 hours, the current likelihood rebounded from 2.2% to 4.6%, a 1.3 percentage point increase. However, no new events directly related to Iran's transit fee policy were captured during this monitoring window. This minor fluctuation lacks support from substantive news and likely reflects a technical adjustment as the deadline approaches, rather than a reassessment of the situation. With only four days remaining until August 31, Iran has still not put forward any concrete fee proposal or related legislative action, and the substantive preconditions for the event remain entirely absent.
11. Aug 28, 2026 UTC — Current likelihood falls to 2.6%, Iran remains extremely unlikely to charge transit fees by August 31, with no relevant proposal in sight.; Over the past 24 hours, the current likelihood fell 2 percentage points from 4.6% to 2.6%, erasing the previous day's technical uptick. The key development captured in this window is Iran's discussion with Oman on a joint shipping corridor to restore safe passage in the strait—a cooperative gesture that runs counter to the confrontational act of unilaterally imposing transit fees, further reducing the already extremely low likelihood. Meanwhile, the US-Iran standoff over Hormuz sovereignty continues, but the focus remains on navigational safety and territorial claims, not a fee policy. With only three days left until August 31, Iran has still not put forward any concrete fee proposal or legislative action, leaving the substantive prerequisites for the event completely absent.
12. Aug 29, 2026 UTC — Current likelihood drops to 1.8%, Iran charging transit fees by August 31 is now virtually impossible as the window closes.; Over the past 24 hours, the current likelihood slipped further from 2.6% to 1.8%, extending the prior downward trend. No new events directly related to Hormuz transit fees were captured in this monitoring window—Iran has offered no proposal, no legislative action, and not even a trial balloon. With only two days left before the August 31 deadline, the continued absence of any substantive prerequisite pushes this scenario ever closer to zero.
13. Aug 30, 2026 UTC — Current likelihood drops to 0.1%, Iran charging transit fees by August 31 is now virtually impossible as the window closes.; Over the past 24 hours, the current likelihood has slipped further from 1.8% to 0.1%, continuing the downward trend. Only one relevant event was captured this period — the U.S. sanctioned the UAE branches of an Egyptian bank for allegedly aiding Iran's shadow banking network. The move signals ongoing U.S. financial pressure on Iran, but the event has no direct link to Hormuz transit fees, and Iran has not responded. With just one day left before the August 31 deadline, the persistent absence of any substantive prerequisites pushes this scenario's likelihood closer to zero.
14. Aug 31, 2026 UTC — Current likelihood holds at 1.25%, the window has closed, and Iran did not charge Hormuz transit fees by August 31.; This final 24-hour window before the August 31 deadline captured no events directly related to Iran charging transit fees in the Strait of Hormuz. The current likelihood edged up slightly from 1.05% to 1.25%, a negligible fluctuation reflecting residual uncertainty rather than any substantive development. The previous judgment already noted that the continued absence of material preconditions was driving this scenario's likelihood toward zero. With the deadline now formally passed, the factual basis for the question no longer exists.
15. Sep 1, 2026 UTC — Current likelihood falls to 1.0%, the deadline has passed, and Iran did not charge Hormuz transit fees.; This period covers the 24 hours after the August 31 deadline, confirming that Iran did not charge transit fees in the Strait of Hormuz within the window. The current likelihood edged down from 1.25% to 1.0%, reflecting the natural fading of residual uncertainty rather than any new event-driven movement. Although U.S. strikes on Iranian targets on Larak Island and Trump's disinformation posts occurred during this period, they all centered on U.S.-Iran military confrontation and had no direct link to the specific act of charging transit fees. With the factual window now closed, the real-world basis for this question has completely evaporated.
16. Sep 1, 2026 UTC — Current likelihood drops to zero, the deadline has passed with no fee-charging event, and the factual basis for the question has completely evaporated.; This period covers the hours following the August 31 deadline, further confirming that Iran did not charge Hormuz Strait transit fees within the window. The current likelihood has dropped from 1.0% in the previous period to zero, marking the complete dissipation of residual uncertainty. With the factual window now closed and no new evidence related to this specific action emerging, the question's basis in reality has ceased to exist.