Prediction markets put the probability at 16%: US announces end of Iranian blockade by July 31, 2026. Currently, markets see this as unlikely (16% YES). Strait of Hormuz traffic normal by July 31.
US enforcement of its maritime blockade against Iran intensified in mid-July, with US Marines from the 11th Marine Expeditionary Unit boarding and inspecting the Iran-flagged oil tanker Wen Yao in footage released by the military on July 17. The interception, targeting Iran's southern ports, signaled that Washington is deepening rather than easing pressure on Tehran's maritime trade. Against that backdrop, the prospect that the US announces end of Iranian blockade by July 31 looks remote, with the campaign visibly expanding in scope and tempo across the Strait of Hormuz. [Crypto Briefing, Jul 17]
The blockade was formally reimposed at 20:00 GMT on July 14, after Tehran's attacks on ships in the Strait of Hormuz collapsed an interim peace deal, according to US Central Command (CENTCOM). The measure covers all of Iran's ports, oil terminals and coastal areas, enforced regardless of flag, and was accompanied by a fresh wave of strikes hitting dozens of targets over seven hours. Hawks in Washington frame the blockade as necessary leverage after the failed truce, while analysts caution that a naval cordon on a major oil exporter risks prolonged escalation rather than a quick settlement, making any near-term move where the US announces end of Iranian blockade by July 31 difficult to reconcile with current military posture. [Al Jazeera, Jul 14]
The US Navy-led Joint Maritime Information Center first advised vessel operators of the enforcement on July 13, warning of interception and diversion for all traffic. The determining factor for whether the US announces end of Iranian blockade by July 31 is the fate of the collapsed interim agreement: absent a renewed ceasefire or diplomatic breakthrough with Tehran, CENTCOM's stated posture points to sustained enforcement. With active strikes and boardings ongoing into late July, resolution hinges on a rapid de-escalation that has not yet materialized. [AP, Jul 15]
Lower-volume market on Polymarket ($52K). Wider spreads expected — enter with limit orders and be aware of slippage risk. Currently 16c YES.
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