Argentina's Treasury made moves Friday to prop up the peso against the dollar. It's the first trading day under freshly implemented regulations that permit wider currency fluctuations. The move signals authorities are keen to prevent a sharp depreciation as market conditions shift. Sources indicate the dollar sales were strategically timed to stem losses in the peso's value right when the new framework kicked in. This policy adjustment reflects broader efforts to manage exchange rate volatility in a challenging economic environment. For markets watching emerging market currencies and monetary policy responses, this development underscores how central banks and treasuries react swiftly when new trading parameters activate.