The yuan ended one notch weaker at 8.2768 per US dollar on Wednesday, near the stronger end of its managed trading range. The one-year non-deliverable dollar forward discount versus the yuan was at 2,650 points implying a rate of 8.013 yuan per dollar in 12 months' time.
NDFs are transactions 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 5.65/6.20 percent on Wednesday.
The yuan moves in a band of 8.2760 to 8.2800 enforced by the central bank.
Turnover, a heavy $750 million on Tuesday, was not immediately available. The yuan eased to 7.5530 against 100 Japanese yen from Tuesday's 7.5307, but firmed against the euro to 10.1315 from 10.1556.