The yuan ended two notches higher versus the US dollar at 8.2770 on Friday, near the stronger end of its managed trading range.
The one-year non-deliverable dollar forward discount versus the yuan was at 4,300 points implying a rate of 7.848 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 9.75/10.50 percent on Friday.
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 rose to a decent $850 million from $710 million on Thursday. The yuan firmed against 100 Japanese yen to 7.6970 from 7.7908, but weakened against the euro to 10.5370 from 10.4300.