MessageId: 19dbe3e3e51b80b8 Subject: Swap Lines, Power, and the Petrodollar Under Strain From: karim_at_research_amanahcapital_uk_hy139ra3phffx7_bavg1730@icloud.com To: bazaar_folio_04@icloud.com Entities: kam@amanahcapital.uk $35 $11 $4 $20 $586 $219 2020 dollar $449 $101.73 $500 $2 $5,200 $4,683 $4,750 40% April 22, 2026 August 15, 1971 December 12, 2007 September 15, 2008 September 24 October 29, 2008 October 31, 2013 April 22 March 15, 2020 March 19, 2020 February 28, 2026 April 23 2026 1962 2008 2020 1944 1960 1965 1971 2007 1973 1979 1985 1987 1994 1995 1997 1998 1999 2009 2010 2011 2013 1934 2025 2018 2019 2022 cross- crisis- Content: Global Markets by Karim Al-Mansour
On the morning of April 22, 2026, Treasury Secretary Scott Bessent sat before the Senate Appropriations Subcommittee on Financial Services and General Government in the Dirksen Senate Office Building in Washington and said something that most financial journalists failed to fully appreciate. "Many of our Gulf allies have requested swap lines," he told the committee. "Swap lines, whether from the Federal Reserve or the Treasury, are to maintain order in the dollar funding markets and to prevent the sale of US assets in a disorderly way." He paused, then widened the aperture further: "Numerous other countries, including some of our Asian allies, have also requested them."
The statement was remarkable not because it revealed that wealthy petrostates were under financial pressure. It was remarkable because of what it exposed about the architecture of the global dollar system, an architecture that has been quietly constructed over six decades, that most investors have never examined carefully, and that only becomes visible when it is under stress. The swap line mechanism, that obscure piece of central banking plumbing that sits in the footnotes of Fed press releases and the appendices of IMF working papers, had arrived at the centre of geopolitics. And it had done so, as important things often do, at precisely the moment when the system it underpins was being tested in ways it had never been tested before.
The story begins in 1962, in the waning years of the Bretton Woods gold-dollar standard, when a small group of central bankers devised a tool to defend American gold reserves from the consequences of America's own monetary profligacy. It traces the tool's long dormancy through the fiat money era, its explosive revival during the collapse of 2008, its second resurrection during the pandemic panic of 2020, and its current politicisation in the context of a war in the Persian Gulf that has closed the Strait of Hormuz and placed the petrodollar system under a form of structural stress that no one in Washington fully anticipated. It examines the mechanics, the hierarchy, the controversies, the players, and the implications. And it arrives at a conclusion that should unsettle anyone who has assumed that the dollar's dominance is a natural feature of the global landscape rather than a continuously managed political achievement.
To understand why swap lines were invented, you need to understand the fundamental tension at the heart of the Bretton Woods system. Under the framework negotiated at the Mount Washington Hotel in Bretton Woods, New Hampshire in July 1944, the US dollar was pegged to gold at $35 per troy ounce, and every other major currency was pegged to the dollar. The dollar's convertibility into gold was the anchor of the entire system, the guarantee that the dollar was not merely paper but a claim on something real and finite. The problem, which the Belgian economist Robert Triffin articulated with devastating clarity in his 1960 testimony to Congress, was that a country whose currency serves as the global reserve currency must run persistent current account deficits to supply the world with that currency, and those deficits, over time, will erode the very confidence that makes the currency worth holding. The world needed dollars to function; America had to export them; and every dollar exported was, in theory, a claim on American gold that America could not ultimately honour.
By the early 1960s, the gap between US dollar liabilities and US gold reserves was growing at a rate that alarmed everyone who understood the arithmetic. By December 1965, outstanding dollar liabilities to official institutions had exceeded the entire US gold stock. The convertibility guarantee was, in any honest reckoning, already a fiction. The question for the Federal Reserve and the Treasury was how to manage the fiction long enough to either reform the system or find a way to remove the pressure.
The solution they devised, under the leadership of Alfred Hayes, President of the Federal Reserve Bank of New York, and Charles Coombs, the New York Fed's chief currency trader, was the Reciprocal Currency Arrangement. In March 1962, the Federal Reserve opened the first swap lines with a small group of allied central banks: the Bank of Canada, the Bank of England, the Deutsche Bundesbank, the Bank of France, the Bank of Italy, the Netherlands Bank, the National Bank of Belgium, the Swiss National Bank, and the Bank for International Settlements. The mechanism was straightforward in concept. When a foreign central bank accumulated more dollars than it wanted to hold, rather than converting those dollars into gold at the Treasury window (which would drain US reserves), it could instead execute a currency swap with the Fed: exchanging its excess dollars for a claim on the Fed's holdings of foreign currency, with an agreement to reverse the transaction at a fixed exchange rate at a future date. The foreign central bank got relief from its unwanted dollar accumulation without triggering the gold drain. The Fed got a breathing room mechanism that could absorb speculative pressure without immediately translating it into reserve losses.
The Swiss National Bank was particularly active in these early years. Between 1962 and 1971, the Fed drew approximately $11.6 billion through these arrangements, with the Swiss alone accounting for nearly $4.7 billion in Swiss franc swaps. The Swiss franc was a perennial refuge currency, and Swiss banks accumulated dollars aggressively, creating recurring pressure on the gold window that the swap mechanism helped neutralise. The Fed also used the lines with Germany and France, where the governments, particularly Charles de Gaulle's France, were openly hostile to the dollar's reserve currency privilege and had been known to convert dollar reserves into gold as a political statement. The swap line was, among other things, a diplomatic instrument: it gave foreign central banks an alternative to the gold window and thus reduced the political pressure that came with publicly embarrassing America by draining its reserves.
What is essential to understand about this origin story is that swap lines were not designed as a crisis tool. They were designed as a systemic maintenance mechanism, a way of managing the contradictions of a monetary order that everyone in the room knew was structurally unsustainable. They were also, from the very beginning, selective. Access was limited to countries that were members of the IMF and had accepted the obligations of currency convertibility under Article VIII of the IMF's Articles of Agreement. Requests from smaller countries or those outside the core US alliance structure were quietly declined. The hierarchy of access was built into the instrument from the moment of its inception.
When Richard Nixon closed the gold window on August 15, 1971, announcing that the United States would no longer convert foreign-held dollars into gold at the established rate, he effectively ended the structural problem that swap lines had been designed to address. Under a pure fiat dollar system, there was no gold reserve to protect. Foreign central banks holding excess dollars had no automatic right to convert them into anything. The dollar's value would be determined by markets, not by a fixed parity. The immediate rationale for swap lines had evaporated.
The Fed maintained the framework but rarely used it. Through the 1970s and 1980s, swap lines existed on paper but sat largely dormant. The 1970s were dominated by the dollar's dramatic weakening under the pressure of the Vietnam War's fiscal legacy and the oil shocks engineered by OPEC in 1973 and 1979. The tools of dollar management in this era were currency interventions, coordinated through the Treasury's Exchange Stabilization Fund and the G7 mechanisms that produced the Plaza Accord of 1985 and the Louvre Accord of 1987. Swap lines were peripheral to these dramas.
The one significant exception was the North American context. Following the negotiation of the North American Free Trade Agreement, the Fed and Treasury established standing lines with the Bank of Canada and the Banco de México, recognising that the deep integration of North American financial markets created a mutual interest in exchange rate stability. The Mexico line would later prove prescient: during the peso crisis of 1994 and 1995, the US Treasury deployed the Exchange Stabilization Fund to provide emergency support to Mexico, a mechanism that triggered significant Congressional opposition and that foreshadowed the political controversies that would surround emergency dollar liquidity provision in subsequent decades.
Through the late 1990s, the major emerging market crises, the Mexican tequila crisis of 1994, the Asian