The yuan slipped four notches versus the US dollar to 8.2769 on Tuesday, but remained near the stronger end of its managed trading range.
The one-year non-deliverable dollar forward discount versus the yuan was at 1,975 points implying a rate of 8.0805 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 5.70/6.45 percent on Tuesday. The yuan moves in a band of 8.2760 to 8.2800 enforced by the central bank.
Turnover for the day was temporarily unavailable but dropped off to $580 million on Monday. The yuan ended stronger at 7.6090 against 100 Japanese yen from Monday's 7.6265, but softened against the euro to 10.0289 from 10.0196.