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The temporary cease‑fire in the US‑Israel‑Iran war has given Iran and China a strategic opening to challenge the US dollar’s supremacy in global finance. Both nations share a common objective: to reduce reliance on the greenback, especially in the oil sector where, according to a 2023 JP Morgan estimate, roughly 80% of transactions are settled in dollars. In a practical step toward this goal, Iran’s de‑facto toll‑booth system in the Strait of Hormuz—a chokepoint that handles about one‑fifth of the world’s oil and LNG shipments—has started accepting transit fees in Chinese yuan. Lloyd’s List reported that at least two vessels had already paid in yuan by March 25, and China’s Ministry of Commerce later acknowledged the reports on social media. Iran’s embassy in Zimbabwe even called for the introduction of a “petroyuan” to the global oil market, underscoring the political symbolism of the move. While Tehran pledged to guarantee safe passage for two weeks under a US‑brokered cease‑fire, Beijing declined to comment. Harvard economist Kenneth Rogoff told Al Jazeera that Iran’s actions serve a dual purpose: they “poke a thumb in the United States’s eye” and provide a practical alternative to dollar‑based sanctions. Rogoff added that Iran’s shift to yuan aligns with China’s broader effort to redenominate trade among BRICS nations. For both countries, the yuan offers a way to sidestep US sanctions and lower transaction costs. Their trade relationship, cemented by a 25‑year strategic partnership signed in 2021, sees China buying over 80% of Iran’s oil—often at discounted rates—while Iran imports Chinese machinery, electronics, chemicals, and industrial components. Data from Kpler and TankerTrackers indicate that, despite the conflict, Iran’s oil exports to China have remained near pre‑war levels, ranging between 12 million and 13.7 million barrels in the first two weeks of hostilities. China’s ambition to elevate the yuan is long‑standing. President Xi Jinping, in a 2024 address, expressed hope that the yuan would become a global reserve currency. Yet significant hurdles remain: the yuan is not freely convertible due to strict capital controls, and the Chinese financial system is perceived as opaque, limiting broader adoption. According to the IMF, the dollar still dominated global foreign‑exchange reserves at 57% last year, far ahead of the euro’s 20% and the yuan’s modest 2%. Cross‑border trade settled in yuan rose to 3.7% in 2024, up from under 1% in 2012, per S&P; Global—an encouraging but limited shift. Natixis chief economist Alicia Garcia‑Herrero cautioned that the Strait of Hormuz experiment adds only “incremental pressure” and that a true “de‑dollarisation” would require Gulf states, which have priced oil in dollars since the 1970s in exchange for US security guarantees. European analyst Hosuk Lee‑Makiyama highlighted that China’s ability to supply Iran with essential goods makes the yuan a viable alternative, a dynamic not possible for Europe or Japan. He described China as the closest the world has seen to a “manufacturing one‑stop shop.” Consultancy founder Dan Steinbock echoed that while the dollar’s supremacy is unlikely to crumble overnight, the gradual increase in yuan usage could “chip away” at US dominance in specific sectors over time. Rogoff concluded that the long‑term impact hinges on the war’s outcome. If Iran and China emerge stronger, many countries may diversify away from the dollar to avoid US‑imposed financial constraints. Conversely, a decisive US victory could reinforce dollar hegemony for the foreseeable future.

The recent ceasefire between the US and Iran offers a glimmer of hope for the energy crisis that has been exacerbated by the conflict in the Strait of Hormuz. However, the deal's stability is already being questioned, with Iran claiming that Israel's attacks on Lebanon breach the agreement. Even if the ceasefire holds and hundreds of tankers stranded in the Gulf start to transit once more, analysts fear that it will not be enough to return the flow of oil, gas, chemicals, and other vital items to pre-crisis levels. An estimated 2,000 vessels with about 20,000 seafarers onboard have been trapped in the Gulf since the outbreak of the conflict. Shipping analysts and owners have cautioned that even a temporary ceasefire does not provide a sufficient guarantee that it is safe to make the passage, particularly because Iran's foreign minister has stated that transit will be under Iranian military management. Many questions remain for shipowners and their captains over whether it is safe to navigate through the strait. The disruption has been compounded by the forced shutdown of oil and gas production across the Gulf as storage facilities reached capacity. In addition, many key energy production sites have been damaged by drone attacks. Experts have said it could take months or years to fully restore the Gulf's energy production. Energy markets have fallen sharply on the hope that millions of barrels of crude oil and gas trapped in the Gulf could soon help to relieve a crisis that the International Energy Agency has said is more serious than the energy flashpoints in 1973, 1979, and 2022 combined. However, traders are also expected to price in a continuing 'geopolitical risk premium' to reflect uncertainty over whether the ceasefire will hold.

The fragile ceasefire between Iran and Israel faced a serious crisis on Wednesday as both sides presented conflicting accounts of the agreement. The development raised concerns about the potential collapse of the truce.Israel escalated its military operations in Lebanon, launching its heaviest attack yet on over 100 targets, resulting in at least 254 fatalities. This move directly contradicts the claims of Iran and Pakistan, who brokered the 11th-hour truce and asserted that the ceasefire included Lebanon.In response, Iran halted the passage of oil tankers through the Strait of Hormuz, citing an alleged Israeli breach of the ceasefire. The Fars news agency reported that oil prices had dropped sharply below $100 a barrel following the truce announcement, leading to a global stock market surge.The White House disputed Iran's claims about the closure of the Strait of Hormuz, calling the reports 'false' and stating that US President Donald Trump expected it to reopen 'immediately, quickly and safely.' The US signaled its continued adherence to the ceasefire, even as it threatened to unravel.Iran and the US have different interpretations of the agreement. Trump conveyed a version suggesting a 15-point proposal from the US, which included no enrichment of uranium and the destruction of Iran's highly enriched uranium stockpile. In contrast, Iran's 10-point plan, which Trump initially referred to as a 'workable basis for negotiation,' included the right to enrich uranium and the full lifting of sanctions.The US and Iran are set to engage in talks in Islamabad, Pakistan, this weekend, with a US negotiating team led by Vice-President JD Vance. The talks aim to cement the ceasefire into a more durable peace agreement, but significant gaps remain to be bridged.The situation in the Gulf remains fragile, with the US and Israel claiming to have destroyed Iran's industrial base and significant military assets. Iran, on the other hand, portrays the truce as a victory, with senior politician Ali Akbar Velayati stating that 'America was forced to accept a ceasefire.'

British Prime Minister Keir Starmer told reporters that the United Kingdom has a "job" to assist in reopening the Strait of Hormuz after reports that the vital oil corridor was blocked again just hours after a tentative cease‑fire was announced. The leader arrived at the King Fahd airbase in Taif, Saudi Arabia, where he met with British and local staff before embarking on a broader diplomatic tour of Gulf allies. The visit mirrors his recent push to shape a cease‑fire framework for Ukraine. While officials describe the trip as complementary to the Pakistan‑mediated talks between Washington and Tehran, many Gulf observers see Starmer as a more predictable partner than a United‑States administration that has been criticised for its unpredictable stance. The cease‑fire, brokered barely an hour before a deadline set by the U.S. president, included a clause to reopen Hormuz. Starmer’s itinerary follows a UK‑led gathering of military planners that explored practical steps for achieving that goal. Iran’s state news agency, Fars, claimed that Israeli actions in Lebanon breached the cease‑fire, prompting a fresh blockage of oil tankers in the strait. Later on Wednesday, Starmer is scheduled to meet Crown Prince Mohammed bin Salman. Their agenda is expected to cover the removal of Iranian mines and the insurance of tankers that rely on the Hormuz route for global oil shipments. "There are many practicalities and moving parts involved; this cannot be switched on instantly," a UK official explained, underscoring the complexity of the task. Addressing the media at the airbase, Starmer acknowledged the temporary relief provided by the cease‑fire but warned that the situation remains in its early stages. He emphasized that the UK’s priority is a permanent solution that restores full maritime traffic. "The impact on our energy prices is evident – we have seen daily fluctuations over the past 39 days. It is our responsibility to ensure the strait remains open so that the world’s energy needs are met and UK fuel prices stabilise," he said. Starmer has previously drawn criticism from former President Donald Trump for refusing to back the initial U.S.–Israeli strike on Iran and for limiting U.S. use of British bases to defensive missions, such as targeting Iranian missile sites. When asked about the risk of the UK becoming entangled in the conflict, Starmer reiterated that Britain acts only in collective self‑defence and that his mandate is to protect British lives and national interests, which includes keeping Hormuz open. The remainder of his Gulf itinerary has not been disclosed, and it remains unclear which other regional capitals he will visit after Saudi Arabia. One government source summed up the mission: "The cease‑fire is welcome, but the decisive factor for the British public will be a fully operational Hormuz Strait, which will have the greatest impact on domestic energy costs." The source likened Starmer’s role to his earlier effort in assembling the "coalition of the willing" that pledged to back any peace settlement in Ukraine, noting that this is his first opportunity to demonstrate solidarity with Middle‑East allies.

The recent US-Iran ceasefire agreement has not led to a significant change in the situation for ships trying to pass through the Strait of Hormuz. According to shipping analysts, there will be no 'mass exodus' of ships through the strait, despite provisions for a temporary reopening of the crucial maritime channel.The ceasefire agreement 'doesn't change the situation in the sense that Iran is still in control,' said Richard Meade, the editor-in-chief at maritime data provider Lloyd's List Intelligence. 'It still requires ships to essentially seek permission, and that's the key. That means that nothing has changed – no permission, no transit.'An estimated 2,000 ships and 20,000 seafarers have been trapped in the Persian Gulf since the outbreak of war at the end of February, according to the UN, unable to pass through the strait to continue their journeys. The trapped vessels include oil and gas tankers, bulk carriers, and cargo ships as well as six tourist cruise liners.Under Iran's 10-point ceasefire plan, the country's foreign minister said safe passage through the strait would be allowed under Iranian military management. However, analysts believe that Iran will continue to control the flow of traffic, and few expect traffic to return to normal daily averages during the two-week ceasefire.The head of the UN shipping agency, the International Maritime Organization (IMO), welcomed the ceasefire and called for a safe evacuation of seafarers from the Gulf. Arsenio Dominguez, the secretary-general of the IMO, said: 'I am already working with the relevant parties to implement an appropriate mechanism to ensure the safe transit of ships through the strait of Hormuz. The priority now is to ensure an evacuation that guarantees the safety of navigation.'

Oil markets experienced a dramatic correction on Wednesday, with Brent crude falling 13.9% to $94.10 per barrel and U.S. WTI futures sliding almost 16% to $95, marking the steepest daily percentage drop since the COVID‑19 crash of April 2020. Despite the plunge, prices remain well above pre‑conflict levels, when Brent traded below $73.The price shock followed President Donald Trump's announcement of a two‑week, conditional ceasefire with Iran, contingent on Tehran reopening the strategic Strait of Hormuz for oil tankers. Iran’s foreign minister, Abbas Araghchi, confirmed the strait would be managed by the Iranian military during the grace period, while Iran’s national security council accepted the ceasefire on the condition that U.S. attacks be halted.Equity markets reacted positively. The pan‑European Stoxx 600 surged 4%, its biggest one‑day gain in over four years. In the UK, the FTSE 100 climbed nearly 3% to 10,646 points, its highest level since the early days of the Iran war. Travel and leisure stocks led the rally, with Air France up 14.5%, Lufthansa +11%, IAG +9.5% and TUI +12%.Oil majors were the notable laggards; BP and Shell each lost more than 5% as investors priced in continued supply uncertainty. Asian markets also posted strong gains: Japan’s Nikkei 225 rose over 5%, Australia’s S&P;/ASX 200 jumped 2.55%, South Korea’s Kospi surged 7.5%, Hong Kong’s Hang Seng added 3.1% and China’s CSI300 climbed 3.2%.Bond yields eased on the ceasefire news. The U.S. 10‑year Treasury yield fell to 4.24% from 4.30%, while the UK 10‑year gilt slipped to 4.7% from 4.9%.Safe‑haven assets rallied as well: gold rose more than 2% to $4,812 per ounce, and cryptocurrencies recovered, with Bitcoin up 2.9% to $71,327 and Ether gaining 5.6% to $2,234.Market strategists emphasized the provisional nature of the relief. Jim Reid, Deutsche Bank markets strategist, warned that “investors will be breathing a big sigh of relief, but the durability of the ceasefire remains the key risk.” He noted ongoing Israeli‑Iran strikes and unclear extensions to Lebanon could reignite volatility.Energy analyst Saul Kavonic (MST Financial) described the pause as “an off‑ramp for Trump’s bombastic ultimatum, but not yet an off‑ramp for oil markets or the war.” He expects a limited release of tankers from Hormuz in May, which would ease storage pressure without boosting production.Capital Economics chief economist Neil Shearing highlighted potential transit fees for Hormuz passage, estimating a $1‑2 million charge per tanker—equivalent to roughly $1 per barrel—would have a modest effect on global oil prices but could signal a de‑facto partial nationalisation of the route.TD Securities senior strategist Prashant Newnaha cautioned that “renewed escalation cannot be ruled out, but markets are treating this ceasefire as the real deal, and all parties will sell it as a major win.” He added that oil prices are unlikely to revert to pre‑war levels, keeping inflationary pressures alive.Earlier in the week, U.S. equities swung sharply, with the S&P; 500 dipping 1.2% before rebounding after Pakistan’s prime minister urged Trump to extend the deadline and keep the strait open.The conflict, which began after the U.S. and Israel struck Iranian targets in late February, has choked the Strait of Hormuz—through which about 20% of global oil and LNG supplies flow—fueling a worldwide energy crunch.

In a powerful display of dissent, hundreds of women took to the streets of Havana, Cuba's capital, to protest the de facto oil blockade imposed by the United States. The demonstration, which took place on what would have been the 96th birthday of Vilma Espin, a leader in the Cuban Revolution, saw protesters carrying banners and signs with the slogan 'Tumba el bloqueo' or 'Tear down the blockade'. The protesters are demanding an end to the US campaign that they say has caused widespread suffering and economic hardship.The protest was led by top officials in Cuba's communist government, including Deputy Prime Minister Ines Maria Chapman and Deputy Foreign Minister Josefina Vidal. Vidal denounced the US campaign as a form of collective punishment, stating that 'This policy of abuse has to stop. The Cuban people don't deserve this. It's the most comprehensive, all-encompassing, and longest-running system of coercive measures ever imposed against an entire country.'The US blockade has had a significant impact on Cuba's energy supply, with the country suffering at least two island-wide blackouts in the last month. The blockade has also led to food spoilage, water pumps ceasing to function, and medical patients going untreated. Russia has announced plans to send a second oil tanker to Cuba in defiance of the US blockade.The protest comes as the US and Cuba are in negotiations to lift the recent oil blockade. Deputy Foreign Minister Vidal stated that the talks are in a 'very preliminary' phase. The US blockade has been in place since the 1960s, but the current 'maximum pressure' campaign began under US President Donald Trump in his first term as president.

An oil slick from a damaged Iranian drone carrier, the Shahid Bagheri, is threatening to contaminate the Hara biosphere reserve, one of the Middle East's most important wetlands. The slick was caused by a US warplane attack in early March, which left the ship leaking heavy fuel oil in Iranian territorial waters near the Strait of Hormuz.The oil has slowly been moving westwards towards the Hara biosphere reserve, the largest mangrove forest on the Gulf shoreline. By 18 March, the oil had traveled 16 miles southwest in the direction of Hara, according to satellite image analysis. The spill could be the most ecologically significant in the region since the first Gulf War.The Hara reserve is an important ecosystem for migrating birds and critically endangered turtles, as well as many species of fish and crustaceans. The region's fishing communities depend almost entirely on the sea for their livelihoods, making the potential impact of the spill significant.Environmental analysts have expressed concern that the situation could worsen if attacks on oil and chemical tankers continue. Wim Zwijnenburg, an environment analyst, noted that “if you keep shooting at oil [and] chemical tankers, at some point you will create a catastrophe if it goes wrong.”

The global oil trade is facing a chokepoint crisis, with Libya's oil disputes mirroring the situation in the Hormuz Strait. The Strait of Hormuz, a critical waterway for oil transportation, was briefly closed after US and Israeli strikes on Iran in late February, causing Brent crude oil prices to soar to nearly $120 a barrel.Libya, with its strategically located oil terminals on the northeastern coast, has become a crucial player in the global oil trade. The country's light, sweet grades of oil are particularly valuable to European refiners. However, Libya's political instability and factional oil deals are threatening to disrupt oil supplies, with Europe's energy security hanging in the balance.The Libyan National Army (LNA), led by Khalifa Haftar, controls the territory where Libya's oil is located, while the Government of National Unity (GNU) in Tripoli signs oil contracts. This has led to a situation where Tripoli may sign oil contracts, but Haftar decides whether oil actually flows. The Arkenu agreement, a private oil company linked to the Haftar family, was recently terminated due to corruption allegations, leaving the future of Libya's oil supplies uncertain.The US is attempting to broker new talks between Tripoli and Haftar's camp, but a deal is not yet certain. Meanwhile, European energy security is at risk, with the Mediterranean Sea becoming a battleground for proxy wars between Russia and Ukraine. The sabotage of oil infrastructure and attacks on tankers are exacerbating the situation, highlighting the need for a stable and secure oil supply to Europe.