The dollar slipped again as the euro extended last session's rally and hit a seven-week high after Britain and the European Union clinched a deal on Thursday for an orderly British exit from the bloc.
Regional stocks tracked Wall Street's lackluster moves and traded flat. Sentiment had taken a hit after data showed the Chinese economy expanded at its weakest pace in almost 30 years, reinforcing global growth slowdown fears and reiterating the need for a US-China trade deal.
MSCI's Latam shares index fell, looking set to break a seven-session winning streak. On the week, the index was poised for a third week of gains.
Shares of Petroleo Brasileiro were the biggest boosts on Brazil's main index after the state oil firm posted a significant production boost in the third quarter.
In Mexico, conglomerate Alfa was among the worst performers on the IPC index after it reported double-digit drops in revenue and net profit for the third quarter.