The yuan on Wednesday ended one notch firmer at 8.2764 per US dollar, near the stronger end of its managed trading range. "The yuan stuck to its usual trading band today. Economic data had no impact on the exchange rate," a Shanghai trader said.
China's economy showed unexpected strength in the second quarter with gross domestic product growing 9.5 percent on year, official data showed on Wednesday.
The one-year non-deliverable dollar forward discount versus the yuan edged lower to 4,750 points, implying a rate of 7.803 yuan per dollar in 12 months' time.
One-year implied yuan volatility was traded at 6.5/7.4 percent.
The yuan moves in a band of 8.2760 to 8.2800 enforced by the central bank.
Turnover, which amounted to a heavy $1.82 billion on Tuesday was not immediately available. The yuan strengthened to 7.3105 against 100 Japanese yen from 7.3522 on Tuesday, but weakened against the euro to 9.9893 from 9.9418.