Argentina's Central Bank to loosen up leash on US dollar

Argentina's central bank announced a shift in FX policy effective January 2026 that the IMF welcomed, moving to 'remonetize' by increasing the monetary base from 4.2% to 4.8% of GDP and printing pesos to buy dollars without sterilization to rebuild reserves; IMF spokesperson Julie Kozack said they are working closely with authorities. The BCRA will likely buy dollars most days, abandon a fixed 1% monthly ceiling on its currency bands in favor of inflation-linked adjustments (projected ~2.5% in January), and expects each percentage-point rise in the monetary base relative to GDP to permit roughly $7–10bn of reserve purchases—provided the public holds pesos rather than converts them to dollars. Markets reacted positively (country risk fell from 623 to 602 basis points and sovereign bonds rallied up to 1.7%); the move is intended to reassure private creditors, shore up net international reserves, reduce real peso overvaluation and the current-account deficit, and signal commitment to IMF targets, though outcomes depend on inflation dynamics and public FX behavior.

Analysis

Argentina's central bank (BCRA) announced a policy shift effective January 2026 to 'remonetize' by increasing the monetary base from 4.2% to 4.8% of GDP and printing pesos to buy dollars in the official market without sterilization; BCRA President Santiago Bausili said the bank will likely be a buyer in the exchange market most days. The central bank estimates each percentage point increase in the monetary base relative to GDP permits roughly US$7 billion to US$10 billion of reserve purchases, a move explicitly designed to rebuild net international reserves to meet IMF expectations.

The BCRA is abandoning a fixed 1% monthly ceiling for its currency bands and will tie the ceiling to inflation (a projected ~2.5% adjustment in January) to allow nominal depreciation aligned with price dynamics, aiming to reduce real peso overvaluation and shrink the current-account deficit. The IMF publicly welcomed the package, and markets reacted positively: country risk fell from 623 to 602 basis points and sovereign bonds rallied up to 1.7%, reflecting improved investor confidence in policy intent.

Key execution risks are behavioral and macro: the plan only expands foreign-exchange buying capacity if the public holds newly issued pesos rather than converting them into dollars, and unsterilized peso issuance could be inflationary if dollarization persists; Argentina has historically struggled to build durable reserves, so delivery against IMF targets will be the critical next test.

Key Decisions for Investors

• Consider modest, tactical exposure to Argentine sovereign bonds given the IMF-backed policy shift and the immediate market rally, but keep position sizes limited until reserve accumulation is verifiable
• Avoid or hedge significant long positions in local-currency assets until January's inflation-linked band adjustment and subsequent monthly inflation prints demonstrate that the public is holding pesos rather than dollarizing
• Monitor three near-term indicators as allocation triggers: net international reserve build-up, monthly inflation (especially the projected ~2.5% January adjustment), and country-risk (CDS/CER or sovereign bond spreads) trends
• Use FX hedges or credit protection to shield local exposures because unsterilized peso issuance could become inflationary if public behavior undermines the remonetization plan