Trump Signals Openness: Consider a Currency Swap With the UAE, Extending “Wartime Dollar Diplomacy” Further

According to a report by CNBC on April 21, 2026, U.S. President Donald Trump, during an interview with CNBC’s “Squawk Box,” publicly stated that the U.S. government is considering establishing a currency swap line with the United Arab Emirates (UAE). His exact words were, “If I could help them, I would.” (If I could help them, I would.) This is the first time the White House has publicly responded to this issue at the White House level, reflecting that U.S. dollar diplomacy pressure in the Middle East triggered by the Iran war is beginning to come to the surface.

Negotiation starting point: UAE central bank governor visits Washington last week

Citing comments from White House officials, CNBC said that UAE central bank governor Khaled Mohamed Balama went directly to Washington last week, met with U.S. Treasury Secretary Scott Bessent and Fed officials, and proactively raised the possibility of a currency swap line. As of now, the UAE has not submitted a formal request, and the White House has not officially mapped out a specific plan.

Currency swap lines are central-bank arrangements for dollar liquidity: a foreign central bank provides its own currency to the Fed as collateral, and the Fed provides an equivalent amount of dollars at an agreed exchange rate. Historically, this tool has been limited to central banks of major economies (the Bank of Japan, the European Central Bank, the Bank of England, the Swiss National Bank, and the Bank of Canada), as well as systemically important markets such as Brazil, Mexico, South Korea, and Singapore during the 2008 financial crisis. If the Fed opens a swap line with the UAE, it would represent the largest expansion of swap line coverage applied in recent years.

Background: Hormuz Strait closure tightens dollar liquidity for the UAE

The ongoing Iran war has caused partial closure of the Hormuz Strait to global merchant shipping. As the UAE is an oil exporter and a financial hub, the timing of its dollar inflows and outflows has been clearly affected. A recent WSJ report also indicated that UAE officials privately said that if the fighting drags on, the central bank may be forced to use renminbi or other non-dollar settlements—an unusual signal within the Middle East’s traditional “dollar circulation” framework.

The UAE’s financial condition itself is not fragile: data cited by Bloomberg and Fortune shows that the UAE central bank holds about $270 billion in foreign-exchange reserves. When combined with sovereign wealth funds such as ADIA and Mubadala, total assets managed exceed the trillion-dollar scale. On April 21, the UAE’s embassy in Washington issued a statement on X rebutting claims of “external financial rescue,” saying, “Any claims that the UAE needs external financial support are a misreading of the facts.”

Decision-making power rests with the Fed: not the White House or Congress

Although Trump has publicly said he is “willing to help,” the actual decision on the swap line falls under the Federal Open Market Committee (FOMC), which is within the Federal Reserve. During the 2008 and 2020 two crisis periods, when the Fed expanded the list of swap lines, it did so based on the policy goal of “maintaining the U.S. dollar’s role as the global settlement currency,” rather than implementing instructions from the White House.

If the Fed opens a swap line with the UAE, two sets of debates are expected: first, whether that would mean expanding the swap line from “systemically important financial centers” to “geopolitically important partners,” thereby blurring the technical threshold; second, whether it would create spillover expectations for other GCC countries such as Saudi Arabia and Qatar, forming a “U.S. dollar diplomacy package.”

Key areas to watch for the market and the industry

For the crypto industry, the UAE dollar liquidity issue also intersects with the local RWA tokenization market. Tether’s 4/20 lead investment in the UAE tokenization platform KAIO directly integrated USDT into VARA-regulated funds. As swap line discussions heat up, this narrative of “stablecoins as a dollar alternative channel” has drawn additional attention. If UAE dollar liquidity tightens in practice, it could accelerate the credibility of sovereign wealth funds and corporate capital carrying out dollar operations via stablecoins.

For traditional finance, it reflects more macro-level signals: the Iran war has disrupted supply chains through the Hormuz Strait, oil prices have repeatedly climbed, UK March inflation rose to 3.3%, and major global economies are all dealing with a triple pressure of “post-war inflation + FX pressure + divergences in monetary policy.” The UAE swap line issue is the concretization—on the level of U.S. dollar diplomacy—of this set of structural pressures.

This article, “Trump signals openness: considering setting up a currency swap with the UAE—U.S. dollar diplomacy in wartime extends further,” first appeared in Lian News ABMedia.