The yuan ended one notch firmer versus the US dollar at 8.2772, remaining near the stronger end of its managed trading range.
The one-year non-deliverable dollar forward discount versus the yuan was at 4,150 points implying a rate of 7.863 yuan per dollar in 12 months' time.
One-year implied yuan volatility was traded at 8.50/10.50 percent on Tuesday.
The yuan moves in a band of 8.2760 to 8.2800 enforced by the central bank.
Turnover was not immediately available, but weighed in at a meagre $340 million on Monday. The yuan softened to 7.8406 against 100 Japanese yen from 7.8233, and weakened against the euro to 10.5159 from 10.5019.