After decades of suffocating sanctions and international isolation, Iran could be on the verge of the largest economic opening in its modern history, powered by fresh foreign capital. The details emerging on the peace deal now being negotiated between Washington and Tehran sketch out a scenario that was unthinkable until yesterday: the creation of a private investment mega-fund worth a full $300 billion, designed to finance the reconstruction and development of the Iranian economy from top to bottom.

According to Reuters, the machine is already in motion, and more than half of that colossal sum has reportedly already been earmarked by investors from the United States, Asia, South America and Africa, and, in a twist of geopolitical irony, by Iran’s historic rivals in the Persian Gulf states.

What the Reconstruction and Development Fund is

The mechanism, officially named the Reconstruction and Development Fund, is conceived for all intents and purposes as a private financial instrument meant to generate profits and attract capital into the country’s most strategic and capital-starved sectors. Sources close to the talks stress that the money will not come from government coffers, thereby sidestepping thorny domestic political debates, especially in the United States, but entirely from the private sector.

Initially, Tehran had raised the stakes by asking for roughly $400 billion as direct compensation for the damage caused by the conflict and the sanctions. But the White House’s firm stance against any form of direct payment forced diplomats to pivot to an alternative route: converting the reparations into corporate investment opportunities.

The preliminary framework agreement lays out a precise roadmap that ties the definitive end of hostilities and the lifting of the US economic blockade to the fully secure reopening of the Strait of Hormuz, the world’s most vital maritime artery for the transit of oil and natural gas, whose stability is decisive for global energy prices.

The first operational funds will be directed at restructuring and reviving the large industrial and infrastructure complexes damaged or paralyzed in recent years, such as steel giant Mobarakeh Steel, the country’s main refineries, and its major airport and logistics hubs.

The US conditions: first, an end to the nuclear program

The fund’s launch will be neither immediate nor free of obstacles, since everything remains contingent on the signing of a final agreement. The next Memorandum of Understanding, expected to be signed tomorrow, June 19, will trigger a 60-day countdown, an extremely tight window in which the parties will have to reach a definitive settlement on Tehran’s nuclear program, the removal of sanctions, and regional security.

US Vice President J.D. Vance has confirmed that Iran will be able to unlock access to the fund only if it meets exceptionally strict conditions. Tehran will have to fully dismantle its nuclear program, guarantee the complete elimination of its enriched uranium stockpiles, and unconditionally accept a regime of stringent, no-notice international inspections and controls.

An opportunity for private funds

For the markets, this prospect is electrifying, above all because of the country’s untapped potential. Despite its immense resources and a population of more than 92 million, Iran is today the large economy least integrated into, and most isolated from, global financial markets. True, the country sits on the world’s second-largest natural gas reserves and its fourth-largest oil reserves, but decades of embargo have frozen technological and extractive development.

Beyond energy, Iran boasts a highly educated workforce, an already developed industrial base, and strategic sectors such as mining, petrochemicals, agriculture, transport, and even cultural tourism, all of which are waiting for nothing more than fresh capital to take off. If the two months of negotiations bear the hoped-for fruit, activating the fund could mark not only the end of a decade-long geopolitical crisis, but also the start of the Middle East’s biggest financial gold rush.

Editor’s note

This article was originally published in Italian on money.it by Flavia Provenzani on June 18, 2026 as «La scommessa da $300 miliardi sull’Iran. Dopo il cessate il fuoco, capitali americani e arabi pronti a invadere Teheran». It has been translated and adapted for an international audience by the Money.it International desk.