Latin American currencies led gains among emerging markets on Monday, with the Mexican peso strengthening by 0.17% to 16.9082 per dollar and the Chilean peso appreciating by 0.13% to 932.45 per dollar. This performance occurred despite a broader slip in Latin American stocks, as oil prices rose and investors focused on potential interest rate hikes by the US Federal Reserve.

The overall MSCI Latin American index saw a slight decline of 0.22%, with Mexico's IPC index and the Chilean MSCI index also experiencing minor drops of 0.18% and 0.06% respectively. Brazil's markets were closed for a holiday, contributing to thinner trading volumes. The strengthening of these currencies suggests a cautious optimism among some investors, possibly anticipating that future US inflation data might temper the Fed's hawkish stance.

However, the broader sentiment in emerging markets was mixed. While Latin American currencies showed strength, a gauge of emerging market currencies was largely unchanged, and emerging market stocks generally fell. This divergence highlights the regional differences in response to global economic factors such as rising oil prices, which climbed over 1% to more than $97 a barrel due to geopolitical tensions, and the increasing probability of a Fed rate hike, which stood at 58% for the September meeting according to CME Group's FedWatch Tool. Traders are closely monitoring upcoming US inflation data, including the Producer Price Index and Consumer Price Index, later in the week for further clarity on the Fed's policy path, which could significantly impact currency movements.