The yuan ended a notch weaker versus the US dollar at 8.2766 on Wednesday, near the stronger end of its trading range.
The one-year non-deliverable dollar forward discount versus the yuan was at 1,030 points implying a rate of 8.175 yuan per dollar in 12 months' time.
NDFs are a transaction 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 4.70/5.30 percent on Wednesday.
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, a moderate $690 million on Tuesday, was not immediately available. The yuan firmed to 7.6185 against 100 Japanese yen from Tuesday's 7.6276 and strengthened versus the euro to 10.1933 from 10.2800.