The yuan ended two notches firmer versus the US dollar at 8.2771, near the stronger end of its managed trading range.
The one-year non-deliverable dollar forward discount versus the yuan was at 4,000 points implying a rate of 7.878 yuan per dollar in 12 months' time.
One-year implied yuan volatility was traded at 8.60/9.60 percent on Thursday.
The yuan moves in a band of 8.2760 to 8.2800 enforced by the central bank.
Turnover, $440 million on January 21, the last day of trade before the week-long Chinese New Year holiday, was not immediately available.
The yuan weakened to 7.8132 against 100 Japanese yen from 7.7289, but strengthened against the euro to 10.3177 from 10.4048.