The dollar rose as investors awaited key US readings this week, which are likely to show an economic recovery gathering steam.
Chile's peso fell 0.3%, while Mexico's peso dipped 0.2%. But both currencies are expected to mark strong gains this year, with Chile benefiting from a spike in copper prices, while Mexico is set to benefit from a bounceback in the US economy.
Brazil's real rose 0.2% while Mexico's peso added 0.3%. Higher copper prices bolstered top producer Chile's peso, which was up 0.5% after two straight days of losses.
In Peru, the sol currency and the stock index made slight moves after a day of turbulence when markets were spooked by a socialist surge in presidential elections.
The peso slipped 0.8% in early trading. Chile's central bank is not expected to move rates, with markets pricing in two rate hikes by the end of the year.
"The global rate-cutting cycle that occurred in the wake of the pandemic has ended and even begun to reverse," economists at Capital Economics wrote in a client note.
He said that his previously disclosed goal of having a new IMF deal by May was not a hard target. "I said that May is acceptable, but it does not mean that May has to be the date," he added.