The US naval blockade of Iranian ports in the Strait of Hormuz, first imposed in April 2026 and reimposed in mid-July after the breakdown of a June memorandum of understanding, remains in effect amid stalled talks to restore commercial shipping. Iran’s Supreme National Security Council has conditioned any reopening on US concessions including sanctions relief, asset releases, military withdrawals, and reparations, while hardline factions led by the IRGC continue signaling leverage through demands and limited strikes on vessels. Iranian oil exports have halted for over a week with storage constraints mounting, increasing economic pressure that could influence regime calculations. US officials have tied any blockade lift to verifiable restoration of unimpeded transit and Iranian compliance with prior commitments. Ongoing diplomatic efforts through intermediaries, combined with the risk of further escalation or renewed strikes, shape trader assessments of near-term US announcements.
基于Polymarket数据的AI实验性摘要。这不是交易建议,也不影响该市场的结算方式。 · 更新于US Navy actively enforces Iran blockade with helicopter support, redirects vessels
August 31 drops to 34%6%
US Navy operations, including helicopter support aboard the USS Michael Murphy, continued enforcing the naval blockade against Iran, redirecting commercial vessels. This military activity indicated ongoing commitment to the blockade, causing market prices for near-term blockade end dates to decline.
Reports indicate ongoing diplomatic negotiations but no formal end to blockade yet
October 31 surges to 91%27%
Despite ongoing diplomatic talks between the US and Iran to halt hostilities and resume negotiations, no official announcement ending the naval blockade had been made by late July 2026, maintaining market uncertainty about the blockade's resolution.
US Navy enforces Iran blockade with helicopter support, redirects 30 vessels
August 31 drops to 34%6%
US Navy actively enforced the blockade with helicopter support aboard USS Michael Murphy, redirecting vessels and signaling continued military commitment. This enforcement contributed to market expectations that the blockade would not end by the July 31 deadline, lowering short-term probabilities.
Trump cancels planned attack on Iran after agreement outline reached
August 31 rises to 40%4%
President Trump announced the cancellation of a planned military attack on Iran after Iran and regional neighbors requested a hold on strikes, indicating potential diplomatic progress and reducing immediate conflict risks.
Diplomatic talks continue amid uncertainty over permanent end to naval blockade
October 31 jumps to 70%6%
As of late July, the US and Iran engaged in ongoing diplomatic negotiations to halt hostilities and discuss the Strait of Hormuz, but no formal timeline for permanently ending the blockade was established, maintaining market uncertainty about the blockade's future.
Diplomatic talks continue amid uncertain timeline for blockade resolution
October 31 jumps to 70%6%
Reports indicated ongoing US-Iran negotiations focused on broader peace agreements without a formal timeline for ending the naval blockade, maintaining market uncertainty and influencing moderate price fluctuations.
Diplomatic talks continue with no formal timeline for permanent blockade end
October 31 jumps to 70%6%
Reports indicated ongoing diplomatic negotiations between the US and Iran with no formal timeline established for a permanent end to the blockade. This uncertainty affected market confidence, particularly for the October 31 resolution date, reflecting the complex geopolitical variables involved.
US military launches strikes on Iranian missile sites amid blockade reinstatement
Following the reinstatement of the naval blockade, US Central Command launched multiple air and maritime strikes against Iranian military installations near the Strait of Hormuz, escalating military tensions and reinforcing the blockade's enforcement.
US Central Command enforces naval blockade on Iranian ports and coastal areas
December 31 rises to 87%2%
The US Central Command officially commenced enforcement of the naval blockade on Iranian ports and coastal areas at 4 p.m. ET, deploying warships and aircraft to secure the Strait of Hormuz. This operational move confirmed the blockade's reinstatement and intensified market concerns about ongoing restrictions on Iranian maritime traffic.
US military resumes naval blockade enforcement in Strait of Hormuz
August 7 jumps to 20%11%
Following President Trump's announcement, US Central Command officially resumed enforcement of the naval blockade on Iranian ports and coastal areas, accompanied by military strikes. This operational restart confirmed the blockade's continuation and influenced market sentiment.
US Central Command begins enforcement of reinstated naval blockade on Iranian ports
August 31 jumps to 65%5%
Following President Trump's announcement, US Central Command officially began enforcing the naval blockade on Iranian ports and shipping, redirecting vessels and boarding ships to ensure compliance, signaling sustained military pressure on Iran.
US Central Command resumes enforcement of naval blockade on Iranian ports
CENTCOM announced the resumption of the naval blockade enforcement on Iranian ports and coastal areas, following President Trump's directive, reinforcing the US military presence and control over maritime traffic to and from Iran.
President Trump abandons plan to impose 20% transit fee on Strait of Hormuz shipping
August 7 surges to 35%15%
President Trump reversed his earlier plan to charge a 20% fee on cargo passing through the Strait of Hormuz, opting instead for trade and investment deals with Gulf states. This policy shift reduced some market uncertainty about the blockade's economic impact.
President Trump announces reinstatement of US naval blockade on Iran
December 31 plunges to 63%19%
Following renewed Iranian attacks and failed diplomatic talks, President Trump declared the immediate reinstatement of the naval blockade targeting Iranian ships and customers, ending the ceasefire and causing market confidence in blockade termination to drop sharply.
President Trump announces reinstatement of US naval blockade on Iran
August 7 jumps to 38%14%
President Trump publicly announced the reinstatement of the US naval blockade on Iranian ports and ships, ending the ceasefire and escalating tensions. This clear and official declaration directly impacted market prices, reflecting increased conflict risk.
President Trump announces immediate reinstatement of US naval blockade on Iran
August 7 surges to 42%18%
Following renewed Iranian attacks and fractured ceasefire, President Trump declared the immediate reinstatement of the US naval blockade targeting Iranian ships and customers, signaling a return to heightened tensions and ending the ceasefire. This announcement caused a significant market shift reflecting the blockade's reimposition.
President Trump announces immediate reinstatement of US naval blockade on Iran
Following renewed Iranian attacks and fractured ceasefire, President Trump declared the immediate reinstatement of the naval blockade targeting Iranian ships and customers, marking the end of the ceasefire and causing a sharp market reaction reflecting increased conflict risk.
US Central Command confirms naval blockade enforcement to begin July 14
October 31 surges to 79%15%
The US Navy-led Joint Maritime Information Center announced the blockade enforcement on Iranian ports and coastal areas would begin at 20:00 GMT on July 14, reinforcing the official start of the blockade and impacting market expectations.
Trump abandons plan to charge 20% toll for Strait of Hormuz passage
August 31 jumps to 57%10%
Following negotiations with Persian Gulf leaders, President Trump announced he would not impose the previously threatened 20% fee on ships passing through the Strait of Hormuz, but maintained the naval blockade on Iranian vessels, affecting market sentiment.
US military launches strikes on Iranian targets amid blockade reinstatement
December 31 rises to 89%4%
Alongside the blockade announcement, the US military conducted strikes on Iranian air defense and missile sites, escalating the conflict and reinforcing the blockade's enforcement, which influenced market prices upward.
Trump announces reinstatement of US naval blockade on Iran
August 31 drops to 38%9%
President Trump announced the immediate reinstatement of the US naval blockade targeting Iranian ships, marking the end of the ceasefire and increasing uncertainty about the blockade's future. This announcement caused a temporary dip in market prices as the blockade was reimposed.
Trump announces reinstatement of U.S. naval blockade on Iran and imposes 20% toll on cargo
August 13 surges to 52%24%
Following renewed attacks in the Strait of Hormuz and the collapse of the ceasefire, President Trump declared the reimposition of the naval blockade targeting Iranian ships and customers, escalating tensions and causing a sharp market reaction.
Trump announces reinstatement of US naval blockade on Iran
August 15 plunges to 28%20%
Following renewed Iranian attacks and the collapse of the ceasefire, President Trump declared the immediate reinstatement of the naval blockade targeting Iranian-flagged and customer ships, imposing passage fees and positioning the US as guardian of the Strait of Hormuz. This announcement caused a sharp drop in market confidence regarding the blockade's end.
Trump announces immediate reinstatement of US naval blockade on Iran
August 13 surges to 48%20%
Following renewed Iranian attacks and failed diplomatic talks, President Trump declared the immediate reinstatement of the naval blockade targeting Iranian ships and customers, causing market uncertainty and a drop in confidence for the blockade ending soon.
Trump announces reinstatement of US naval blockade on Iran and control of Strait of Hormuz
December 31 surges to 85%22%
President Donald Trump publicly announced the reinstatement of the US naval blockade on Iranian ports and ships, declaring the US would assume control of the Strait of Hormuz and impose a 20% tariff on cargo. This marked a significant escalation in US-Iran tensions and directly influenced market expectations of continued blockade enforcement.
Trump notifies Congress of renewed military action and blockade enforcement
December 31 surges to 85%22%
President Trump formally notified Congress that US military action against Iran had resumed on July 7, including defensive strikes and the reinstatement of the naval blockade. This official communication underscored the US government's present and decided position on the blockade, reinforcing market expectations of its continuation.
President Trump announces reinstatement of US naval blockade on Iran
August 31 drops to 41%6%
Following renewed Iranian attacks and the breakdown of the ceasefire, President Trump declared the immediate reinstatement of the US naval blockade targeting Iranian ships and customers, signaling a return to heightened tensions and impacting market prices downward.
Trump announces reinstatement of US naval blockade on Iran amid renewed hostilities
August 7 dips to 22%2%
On July 13, 2026, President Trump announced the immediate reinstatement of the US naval blockade of Iran following a breakdown in the ceasefire and renewed Iranian attacks. This announcement caused a drop in market confidence for near-term blockade end dates.
Trump announces reinstatement of U.S. naval blockade on Iran
December 31 jumps to 56%9%
President Donald Trump publicly announced the reinstatement of the U.S. naval blockade targeting Iranian ships and ports, ending the ceasefire and signaling renewed conflict. This announcement directly impacted market expectations by confirming the blockade's continuation and escalation of tensions.
US military launches strikes on Iranian missile sites coinciding with blockade reinstatement
August 31 jumps to 60%13%
The US Central Command launched multiple air and maritime strikes on Iranian military installations near the Strait of Hormuz, coinciding with the formal reinstatement of the naval blockade, intensifying military conflict in the region.
Trump announces reinstatement of US naval blockade on Iran with 20% toll on cargo
President Trump announced the reinstatement of the US naval blockade on Iranian ports and ships, imposing a 20% toll on cargo passing through the Strait of Hormuz, following renewed Iranian attacks on shipping and the collapse of the ceasefire agreement.




警惕外部链接哦。
警惕外部链接哦。
常见问题