The CFETS yuan exchange rate composite index, known as the CFETS RMB Index, which measures the yuan's strength relative to a basket of currencies, came in at 93.78 at the end of last week. This marked a decrease of 0.09 points from a week ago, the CFETS said.

The index compares the yuan to the value of 24 currencies, including the US dollar, euro and Japanese yen, which was expanded from a basket of 13 currencies in 2016.

In the past week, an index that measures the yuan against the Bank for International Settlements currency basket went down 0.08 points to 97.37 and weakened against the Special Drawing Rights basket by 0.18 points to 94.05, according to CFETS.