Few would have predicted that Iran's disastrous 2026 could end with the prospect of a massive financial windfall. The deal reached by Washington and Tehran in June, aimed at ending the US-Israel-Iran war, has the potential to deliver just that — marking a stunning reversal in a year that began with Iran facing explosive unrest before quickly descending into a conflict that killed thousands and caused widespread destruction.

Yet now, under the agreement signed by President Donald Trump on June 17, Iran stands to receive sweeping sanctions relief, renewed oil sales, access to frozen assets abroad and perhaps the most controversial incentive of all: a proposed $300 billion investment fund intended to finance reconstruction and economic development in Iran.

The fund, details of which first emerged in May, has sparked widespread backlash amid broader criticism of the deal, including outcry from within Trump’s own party. This has put the administration on the defensive, as the White House has stressed it won’t commit US money to the fund while arguing that economic incentives will help secure a lasting settlement that sees Iran dismantle its nuclear program. 

Beyond political skepticism lies a more practical question: Is the creation of such an investment vehicle even feasible, and how much difference would it actually make for Iran's reconstruction and economic recovery?