The one-year non-deliverable dollar forward discount versus the yuan was at 1,830 points implying a rate of 8.095 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 4.80/5.20 percent on Thursday. 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, a moderate $590 million on Wednesday, was not immediately available. The yuan firmed to 7.5135 against 100 yen from Wednesday's 7.5495, but weakened against the euro to 9.9960 from 9.9890.