HONG KONG, Sept 3 (Reuters) - The yuan edged lower on Tuesday as Sino-U.S. trade tensions showed no sign of abating, but China's central bank again set a firmer-than-expected guidance rate, tempering losses.
China on Monday lodged a complaint against the United States at the World Trade Organization, after Washington slapped a 15% tariffs on various Chinese goods the previous day. Beijing hit back with new duties on U.S. crude oil.
Escalations in the year-long trade conflict led the Chinese currency to its sharpest monthly drop in 25 years in August.
But on Tuesday, the yuan's losses were limited by the People's Bank of China's fixing CNY=PBOC, which came in at 7.0884 per dollar, a new 11-1/2 year low but stronger than Reuters' estimate of 7.1099. Spot yuan can trade 2% either side of this guidance rate.
The onshore yuan CNY=CFXS changed hands at 7.1806 at midday, 89 pips weaker than the late session close and 1.3 percent softer than the midpoint.
As long as the midpoint stays on the stronger side of 7.1, spot yuan will find support around 7.2, OCBC Wing Hang Bank said in a note on Tuesday.
The PBOC will likely keep yuan close to its current levels before U.S. and Chinese trade negotiators meet later this month, even if further yuan weakness may help Chinese exporters and economic growth, said a trader with a foreign bank in Shanghai.
"Ultimately, the source of economic pressure is the trade conflict, and the U.S. would not like to see the yuan depreciate too much," he said.
Washington labeled China a currency manipulator last month after Beijing let the yuan slip past 7 per dollar.
A forex sales banker in Hong Kong said the PBOC has no clear "line in the sand" for yuan prices and will instead focus on "trying to contain volatility at this point in time."
The offshore yuan CNH=D3 was trading 0.09 percent weaker than the onshore spot at 7.187 per dollar.
As U.S. markets reopen after a long weekend, dollar strength buoyed by rising risks of Brexit may add pressure on the yuan, China Construction Bank (Asia) said in a note on Tuesday.
The greenback .DXY was up almost 0.4% at 99.264 at midday.
The yuan market at 4:00AM GMT:
PBOC midpoint CNY=SAEC
Spot yuan CNY=CFXS
Divergence from midpoint*
Spot change YTD
Spot change since 2005 revaluation
Thomson Reuters/HKEX CNH index
*Divergence of the dollar/yuan exchange rate. Negative number indicates that spot yuan is trading stronger than the midpoint. The People's Bank of China (PBOC) allows the exchange rate to rise or fall 2 percent from official midpoint rate it sets each morning.
OFFSHORE CNH MARKET
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