Uruguayan Peso (UYU)

Created in 1967, the Banco Central del Uruguay steers monetary policy through an inflation-targeting framework with the interest rate as its primary instrument. The current objective: hold annual inflation near 4.5% — a target the bank has approached with notable precision, recording 4.55% in August 2026. Uruguay maintains foreign-currency reserves equivalent to roughly eleven months of imports, providing a deep external liquidity buffer. The exchange rate floats freely, absorbing economic shocks rather than forcing the bank to defend a predetermined dollar-peso level.

Persistent inflation forced Uruguay to reinvent its currency — twice. In 1975, the Nuevo Peso replaced the original peso at 1,000 to 1. But inflation devoured that unit too. On March 1, 1993, today's peso uruguayo arrived, converting at another 1,000 to 1. Stack those reforms together and the arithmetic is striking: one modern UYU equals one million pre-1975 pesos. Six zeros vanished across two decades of monetary upheaval. Few countries have undergone such dramatic cumulative redenomination — and lived to tell a stability story afterward.

Uruguay's monetary history stretches to the country's earliest independence-era reforms. An 1863 law established the silver Uruguayan peso within a bimetallic system, creating a decimal framework modeled on European precedents. For decades, private institutions and government entities jostled over banknote issuance before centralised authority took hold. The original peso circulated for over a century — surviving political upheaval, commodity shocks, and two world wars — before inflation finally overwhelmed it in the 1970s and forced the first redenomination.

Seven banknotes circulate today ($20 through $2,000), with the lowest denominations printed on polymer and the rest on cotton. Uruguay's first polymer note appeared in 2017 — a commemorative $50 marking the central bank's fiftieth anniversary. Beneath the surface, financial dollarization remains a defining structural challenge. U.S. dollars historically dominate savings, lending, and asset pricing across the economy. The government and central bank pursue deliberate policies to deepen peso-denominated credit markets — reducing the currency mismatches that could amplify damage from any sudden depreciation.