The yuan ended one notch weaker versus the dollar at 8.2774 on Monday, remaining near the stronger end of its managed trading range.
The one-year non-deliverable dollar forward discount versus the yuan was at 3,500 points implying a rate of 7.928 yuan per dollar in 12 months' time.
NDFs are transactions where a forward price is agreed between a customer and a bank, but settlement on the value date is undertaken entirely in US dollars.
One-year implied yuan volatility was traded at 7.00/9.00 percent on Monday.
Implied volatility is a measure of how much the options market expects the price of the underlying asset to move during the life of the option.
The yuan moves in a band of 8.2760 to 8.2800 enforced by the central bank.
Turnover for the day was not immediately available. It rose to $620 million on Friday. The yuan strengthened to 7.7158 against 100 Japanese yen from 7.7192, and firmed against the euro to 10.1427 from 10.2535.